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Title:
COMPOUNDS FOR THE TREATMENT OF NEUROMUSCULAR DISORDERS
Document Type and Number:
WIPO Patent Application WO/2019/115781
Kind Code:
A1
Abstract:
The present invention relates to compounds suitable for treating, ameliorating and/or preventing neuromuscular disorders, including the reversal of drug-induced neuromuscular blockade. The compounds as defined herein preferably inhibit the ClC-1 ion channel.

Inventors:
J.S. KNUTSEN, Lars (10 Queens House, The Esplanade Frinton-on-Sea, Essex CO13 9AY, CO13 9AY, GB)
KELLY, Nicholas (Højgårds Vænge 32, 2880 Bagsværd, 2880, DK)
HOLM PEDERSEN, Thomas (Sejrs Allé 4A, 8240 Risskov, 8240, DK)
E COOPER, Martin (4 Greenwood Crescent Carlton, Nottingham NG4 1AQ, NG4 1AQ, GB)
W. BROWN, Andrew (Chestnut House, Brook Street Heage, Derbyshire DE56 2AG, DE56 2AG, GB)
Application Number:
EP2018/084989
Publication Date:
June 20, 2019
Filing Date:
December 14, 2018
Export Citation:
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Assignee:
NMD PHARMA A/S (8200 Århus N, 8200, DK)
International Classes:
C07D317/18; A61K31/357; A61K31/381; A61K31/415; A61K31/4164; A61K31/423; A61K31/4245; A61K31/426; A61K31/428; A61K31/4402; A61P21/00; A61P21/04; C07D213/04; C07D231/12; C07D233/56; C07D261/08; C07D261/20; C07D271/06; C07D271/10; C07D277/22; C07D277/66; C07D333/06
Domestic Patent References:
WO2006037982A22006-04-13
WO2004089885A12004-10-21
WO2012004722A12012-01-12
WO2007062773A12007-06-07
WO2004094386A12004-11-04
WO2005105727A12005-11-10
WO2006037982A22006-04-13
WO2004089885A12004-10-21
WO2016202341A12016-12-22
Foreign References:
FR1451171A1966-01-07
FR2551063A11985-03-01
US20130261101A12013-10-03
FR1451171A1966-01-07
US20060211765A12006-09-21
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Attorney, Agent or Firm:
HØIBERG P/S (Adelgade 12, 1304 Copenhagen K, 1304, DK)
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Claims:
Claims

1. A compound of Formula (I):

Formula (I)

wherein:

- R1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R2 is a 5-6 membered aromatic heterocycle or an 8-10 membered aromatic bicyclic heterocycle each of which may be optionally substituted with one or more, identical or different, substituents R6;

- R3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF3, CCI3, CHF2, CHCI2, CH2F, CH2CI, OCF3, OCCI3 and isocyanide;

- R4 is selected from the group consisting of H, deuterium, Ci-5 alkyl, C2-5

alkenyl, C2-5 alkynyl, C3-5 cycloalkyl, C5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R7;

- R5 is selected from the group consisting of H, Ci-5 alkyl optionally substituted with one or more, identical or different, substituents R8, C2-5 alkenyl, C2-5 alkynyl, C3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R8, phenyl optionally substituted with one or more, identical or different, substituents R9 and benzyl optionally substituted with one or more, identical or different, substituents R9;

- R6 is independently selected from the group consisting of H, deuterium, tritium, F, Cl, Br, I, CN, isocyanide, C1-5 alkyl, C2-5 alkenyl, C2-5 alkynyl, C3-5 cycloalkyl, C5 cycloalkenyl, 0-C1-5 alkyl, 0-C2-5 alkenyl, 0-C2-5 alkynyl, 0-C3-5 cycloalkyl, 0-C5 cycloalkenyl, -C(=0)-C1-5 alkyl, -C(=0)- C2-5 alkenyl, -C(=0)-C2-5 alkynyl, -C(=0)-C3-5 cycloalkyl, -CH2-0-Ci-3 alkyl and -CH2-S-Ci-3 alkyl, and wherein Ci-5 alkyl, C2-5 alkenyl, C2-5 alkynyl, C3-5 cycloalkyl, C5 cycloalkenyl, 0-Ci-5 alkyl, 0-C2-5 alkenyl, 0-C2-5 alkynyl, 0-C3-5 cycloalkyl, 0-C5 cycloalkenyl, -C(=0)-Ci-5 alkyl, -C(=0)- C2-5 alkenyl, -C(=0)-C2-5 alkynyl, -C(=0)-C3-5 cycloalkyl, -CH2-0-Ci-3 alkyl and -CH2-S-Ci-3 alkyl may be optionally substituted with one or more halogens;

- R7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C1-3 alkyl optionally substituted with one or more, identical or different, substituents R8, S-C1-3 alkyl optionally substituted with one or more, identical or different, substituents R8, CH2- 0-C1-3 alkyl optionally substituted with one or more, identical or different, substituents R8 and CH2-S-C1-3 alkyl optionally substituted with one or more, identical or different, substituents R8;

- R8 is independently selected from the group consisting of deuterium and F;

- R9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or

solvate thereof,

for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade.

2. The compound for use according to claim 1 , wherein R2 is a 5-membered

aromatic heterocycle, wherein each of which may be optionally substituted with one or more, identical or different, substituents R6.

3. The compound for use according to any one of claims 1 to 2, wherein R2 is

selected from the group consisting of 1 ,2-oxazol-3-yl, 1 ,2-oxazol-4-yl, 1 ,2-oxazol- 5-yl, 1 ,3-oxazol-2-yl, 1 ,3-oxazol-4-yl, 1 ,3-oxazol-5-yl, 1 ,2-thiazol-3-yl, 1 ,2-thiazol- 4-yl, 1 ,2-thiazol-5-yl, 1 ,3-thiazol-2-yl, 1 ,3-thiazol-4-yl, 1 ,3-thiazol-5-yl, 1 ,2,3- thiadiazol-4-yl, 1 ,2,3-thiadiazol-5-yl, 1 ,2,4-thiadiazol-3-yl, 1 ,2,4-thiadiazol-5-yl,

1 ,3,4-thiadiazol-2-yl, 1 ,2,5-thiadiazol-3-yl, 1 ,2,3-oxadiazol-4-yl, 1 ,2,3-oxadiazol-5- yl, 1 ,2,4-oxadiazol-3-yl, 1 ,2,4-oxadiazol-5-yl, 1 ,3,4-oxadiazol-2-yl and 1 ,2,5- oxadiazol-3-yl each of which may be optionally substituted with one or more, identical or different, substituents R6.

4. The compound for use according to any one of claims 1 to 3, wherein the

compound is of Formula (II):

Formula (II)

wherein:

- R1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN, CF3, CCI3, CHF2, CHCI2, CH2F, CH2CI, OCF3 OCCI3 and isocyanidej

- R4 is selected from the group consisting of H, deuterium, C1-5 alkyl, C2-5

alkenyl, C2-5 alkynyl, C3-5 cycloalkyl, C5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R7;

- R5 is selected from the group consisting of H, Ci-5 alkyl optionally substituted with one or more, identical or different, substituents R8, C2-5 alkenyl, C2-5 alkynyl, C3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R8, phenyl optionally substituted with one or more, identical or different, substituents R9 and benzyl optionally substituted with one or more, identical or different, substituents R9;

- R6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C1-5 alkyl, C2-5 alkenyl, C2-5 alkynyl, C3-5 cycloalkyl, C5 cycloalkenyl, 0-C1-5 alkyl, 0-C2-5 alkenyl, 0-C2-5 alkynyl, 0-C3-5 cycloalkyl, 0-C5 cycloalkenyl, -C(=0)-C1-5 alkyl, -C(=0)- C2-5 alkenyl, -C(=0)-C2-5 alkynyl, -C(=0)-C3-5 cycloalkyl, -CH2-0-C1-3 alkyl and -CH2-S-C1-3 alkyl, and wherein C1-5 alkyl, C2-5 alkenyl, C2-5 alkynyl, C3_5 cycloalkyl, C5 cycloalkenyl, 0-Ci-5 alkyl, 0-C2-5 alkenyl, 0-C2-5 alkynyl, 0-C3-5 cycloalkyl, 0-C5 cycloalkenyl, -C(=0)-Ci-5 alkyl, -C(=0)- C2_5 alkenyl, -C(=0)-C2-5 alkynyl, -C(=0)-C3-5 cycloalkyl, -CH2-0-Ci-3 alkyl and -CH2-S-CI-3 alkyl may be optionally substituted with one or more halogens;

- R7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci-3 alkyl optionally substituted with one or more, identical or different, substituents R8, S-C1-3 alkyl optionally substituted with one or more, identical or different, substituents R8, CH2- 0-C1-3 alkyl optionally substituted with one or more, identical or different, substituents R8 and CH2-S-C1-3 alkyl optionally substituted with one or more, identical or different, substituents R8;

- R8 is independently selected from the group consisting of deuterium and F;

- R9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F,

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3.

5. The compound for use according to any one of claims 1 to 3, wherein the

compound is of Formula (III):

Formula (III)

wherein:

- R1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF3, CCI3, CHF2, CHCI2, CH2F, CH2CI, OCF3, OCCI3 and isocyanide; - R4 is selected from the group consisting of H, deuterium, Ci-5 alkyl, C2-5 alkenyl, C2-5 alkynyl, C3-5 cycloalkyl, C5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R7;

- R5 is selected from the group consisting of H, Ci-5 alkyl optionally substituted with one or more, identical or different, substituents R8, C2-5 alkenyl, C2-5 alkynyl, C3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R8, phenyl optionally substituted with one or more, identical or different, substituents R9 and benzyl optionally substituted with one or more, identical or different, substituents R9;

- R6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C1-5 alkyl, C2-5 alkenyl, C2-5 alkynyl, C3-5 cycloalkyl, C5 cycloalkenyl, 0-C1-5 alkyl, 0-C2-5 alkenyl, 0-C2-5 alkynyl, 0-C3-5 cycloalkyl, 0-C5 cycloalkenyl, -C(=0)-C1-5 alkyl, -C(=0)- C2-5 alkenyl, -C(=0)-C2-5 alkynyl, -C(=0)-C3-5 cycloalkyl, -CH2-0-C1-3 alkyl and -CH2-S-C1-3 alkyl, and wherein C1-5 alkyl, C2-5 alkenyl, C2-5 alkynyl, C3-5 cycloalkyl, C5 cycloalkenyl, 0-Ci-5 alkyl, 0-C2-5 alkenyl, 0-C2-5 alkynyl, 0-C3-5 cycloalkyl, 0-C5 cycloalkenyl, -C(=0)-Ci-5 alkyl, -C(=0)- C2-5 alkenyl, -C(=0)-C2-5 alkynyl, -C(=0)-C3-5 cycloalkyl, -CH2-0-Ci-3 alkyl and -CH2-S-CI-3 alkyl may be optionally substituted with one or more halogens;

- R7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci-3 alkyl optionally substituted with one or more, identical or different, substituents R8, S-Ci-3 alkyl optionally substituted with one or more, identical or different, substituents R8, CH2- 0-C1-3 alkyl optionally substituted with one or more, identical or different, substituents R8 and CH2-S-C1-3 alkyl optionally substituted with one or more, identical or different, substituents R8;

- R8 is independently selected from the group consisting of deuterium and F;

- R9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3.

6. The compound for use according to any one of claims 1 to 3, wherein the

compound is of Formula (XVI):

Formula (XVI)

wherein:

- R1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF3, CCI3, CHF2, CHCI2, CH2F, CH2CI, OCF3 OCCI3 and isocyanidej

- R4 is selected from the group consisting of C1-5 alkyl, C2-5 alkenyl, C2-5

alkynyl, C3-5 cycloalkyl, C5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R7;

- R5 is selected from the group consisting of FI, C1-5 alkyl optionally substituted with one or more, identical or different, substituents R8, C2-5 alkenyl, C2-5 alkynyl, C3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R8, phenyl optionally substituted with one or more, identical or different, substituents R9 and benzyl optionally substituted with one or more, identical or different, substituents R9;

- R6 is independently selected from the group consisting of FI, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci-5 alkyl, C2-5 alkenyl, C2-5 alkynyl, C3-5 cycloalkyl, C5 cycloalkenyl, 0-Ci-5 alkyl, O-C2-5 alkenyl, O-C2-5 alkynyl, O-C3-5 cycloalkyl, 0-C5 cycloalkenyl, -C(=0)-Ci-5 alkyl, -C(=0)- C2-5 alkenyl, -C(=0)-C2-5 alkynyl, -C(=0)-C3-5 cycloalkyl, -CFI2-0-C1.3 alkyl and -CFI2-S-C1.3 alkyl, and wherein Ci-5 alkyl, C2-5 alkenyl, C2-5 alkynyl, C3-5 cycloalkyl, C5 cycloalkenyl, 0-Ci-5 alkyl, O-C2-5 alkenyl, O-C2-5 alkynyl, O-C3-5 cycloalkyl, 0-C5 cycloalkenyl, -C(=0)-Ci-5 alkyl, -C(=0)- C2-5 alkenyl, -C(=0)-C2-5 alkynyl, -C(=0)-C3-5 cycloalkyl, -CFl2-0-C1-3 alkyl and -CFl2-S-C1-3 alkyl may be optionally substituted with one or more halogens; - R7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci-3 alkyl optionally substituted with one or more, identical or different, substituents R8, S-Ci-3 alkyl optionally substituted with one or more, identical or different, substituents R8, CH2- 0-Ci-3 alkyl optionally substituted with one or more, identical or different, substituents R8 and CH2-S-CI-3 alkyl optionally substituted with one or more, identical or different, substituents R8;

- R8 is independently selected from the group consisting of deuterium and F;

- R9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3.

7. The compound for use according to any one of claims 1 to 3, wherein the

compound is of Formula (XVII):

Formula (XVII)

wherein:

- R1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF3, CCI3, CHF2, CHCI2, CH2F, CH2CI, OCF3, OCCI3 and isocyanide;

- R4 is selected from the group consisting of Ci-5 alkyl, C2-5 alkenyl, C2-5

alkynyl, C3-5 cycloalkyl, C5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R7;

- R5 is selected from the group consisting of H, C1-5 alkyl optionally substituted with one or more, identical or different, substituents R8, C2-5 alkenyl, C2-5 alkynyl, C3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R8, phenyl optionally substituted with one or more, identical or different, substituents R9 and benzyl optionally substituted with one or more, identical or different, substituents R9;

- R6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci-5 alkyl, C2-5 alkenyl, C2-5 alkynyl, C3-5 cycloalkyl, C5 cycloalkenyl, 0-Ci-5 alkyl, 0-C2-5 alkenyl, 0-C2-5 alkynyl, O-C3-5 cycloalkyl, 0-C5 cycloalkenyl, -C(=0)-Ci-5 alkyl, -C(=0)- C2-5 alkenyl, -C(=0)-C2-5 alkynyl, -C(=0)-C3-5 cycloalkyl, -CH2-0-C1-3 alkyl and -CH2-S-C1-3 alkyl, and wherein C1-5 alkyl, C2-5 alkenyl, C2-5 alkynyl, C3-5 cycloalkyl, C5 cycloalkenyl, 0-C1-5 alkyl, 0-C2-5 alkenyl, 0-C2-5 alkynyl, 0-C3-5 cycloalkyl, 0-C5 cycloalkenyl, -C(=0)-C1-5 alkyl, -C(=0)- C2-5 alkenyl, -C(=0)-C2-5 alkynyl, -C(=0)-C3-5 cycloalkyl, -CH2-0-C1-3 alkyl and -CH2-S-C1-3 alkyl may be optionally substituted with one or more halogens;

- R7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C1-3 alkyl optionally substituted with one or more, identical or different, substituents R8, S-Ci-3 alkyl optionally substituted with one or more, identical or different, substituents R8, CH2- O-C-i-3 alkyl optionally substituted with one or more, identical or different, substituents R8 and CH2-S-Ci-3 alkyl optionally substituted with one or more, identical or different, substituents R8;

- R8 is independently selected from the group consisting of deuterium and F;

- R9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0 or 1 ; and

- n is an integer 0, 1 , 2 or 3.

8. The compound for use according to any of claims 1 to 7, wherein n is 0 or 1.

9. The compound for use according to any one of claims 1 to 8, wherein R4 is C1-5 alkyl optionally substituted with one or more, identical or different, substituents R7 or C1-5 cycloalkyl optionally substituted with one or more, identical or different, substituents R7.

10. The compound for use according to any one of claims 1 to 9, wherein R1 is

selected from the group consisting of F, Cl, Br and I.

11. The compound for use according to any one of claims 1 to 10, wherein R5 is hydrogen.

12. The compound for use according to any one of claims 1 to 1 1 , wherein m is 0.

13. The compound for use according to any one of claims 1 to 12, wherein the

compound is an inhibitor of the CIC-1 ion channel.

14. The compound for use according to any one of claims 1 to 13, wherein the

neuromuscular disorder is selected from the group consisting of myasthenia gravis, amyotrophic lateral sclerosis (ALS), spinal muscular atrophy (SMA), critical illness myopathy (CIM), Charcot-Marie tooth disease (CMT) and sarcopenia.

15. The compound for use according to any one of claims 1 to 14, wherein the

neuromuscular disorder has been induced by a neuromuscular blocking agent.

16. A compound of Formula (I):

Formula (I)

wherein:

- R1 is selected from the group consisting of F, Cl, Br and I;

- R2 is a 5-6 membered aromatic heterocycle or an 8-10 membered aromatic bicyclic heterocycle each of which may be optionally substituted with one or more, identical or different, substituents R6;

- R3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF3, CCI3, CHF2, CHCI2, CH2F, CH2CI, OCF3 OCCI3 and isocyanidej

- R4 is selected from the group consisting of H, deuterium, C1-5 alkyl, C2-5

alkenyl, C2-5 alkynyl, C3-5 cycloalkyl, C5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R7;

- R5 is selected from the group consisting of H, Ci-5 alkyl optionally substituted with one or more, identical or different, substituents R8, C2-5 alkenyl, C2-5 alkynyl, C3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R8, phenyl optionally substituted with one or more, identical or different, substituents R9 and benzyl optionally substituted with one or more, identical or different, substituents R9;

- R6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C1-5 alkyl, C2-5 alkenyl, C2-5 alkynyl,

C3-5 cycloalkyl, C5 cycloalkenyl, 0-C1-5 alkyl, 0-C2-5 alkenyl, 0-C2-5 alkynyl, 0-C3-5 cycloalkyl, 0-C5 cycloalkenyl, -C(=0)-C1-5 alkyl, -C(=0)- C2-5 alkenyl, -C(=0)-C2-5 alkynyl, -C(=0)-C3-5 cycloalkyl, -CH2-0-C1-3 alkyl and -CH2-S-C1-3 alkyl, and wherein C1-5 alkyl, C2-5 alkenyl, C2-5 alkynyl, C3-5 cycloalkyl, C5 cycloalkenyl, 0-C1-5 alkyl, 0-C2-5 alkenyl, 0-C2-5 alkynyl, 0-C3-5 cycloalkyl, 0-C5 cycloalkenyl, -C(=0)-C1-5 alkyl, -C(=0)- C2_5 alkenyl, -C(=0)-C2-5 alkynyl, -C(=0)-C3-5 cycloalkyl, -CH2-0-Ci-3 alkyl and -CH2-S-Ci-3 alkyl may be optionally substituted with one or more halogens;

- R7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci-3 alkyl optionally substituted with one or more, identical or different, substituents R8, S-Ci-3 alkyl optionally substituted with one or more, identical or different, substituents R8, CH2- 0-Ci-3 alkyl optionally substituted with one or more, identical or different, substituents R8 and CH2-S-Ci-3 alkyl optionally substituted with one or more, identical or different, substituents R8;

- R8 is independently selected from the group consisting of deuterium and F;

- R9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or

solvate thereof, with the proviso that when R4 is H then R2 is 1 ,2,3- thiadiazol-4-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2-thiazol-3-yl, 1 ,2-oxazol-3-yl or 1 ,3-oxazol-4-yl.

17. The compound according to claim 16, wherein R1 is Cl or Br.

18. The compound according to any one of claims 16 to 17, wherein R2 is a 5- membered aromatic heterocycle, wherein each of which may be optionally substituted with one or more, identical or different, substituents R6.

19. The compound according to any one of claims 16 to 18, wherein R2 is selected from the group consisting of 1 ,2,3-thiadiazol-4-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2- thiazol-3-yl, 1 ,2-oxazol-3-yl, 1 ,2-oxazol-5-yl and 1 ,3-oxazol-4-yl each of which may be optionally substituted with one or more, identical or different, substituents R6.

20. The compound according to any one of claims 16 to 19, wherein R4 is C1-5 alkyl optionally substituted with one or more, identical or different, substituents R7 or

C1-5 cycloalkyl optionally substituted with one or more, identical or different, substituents R7.

21. The compound according to any one of claims 16 to 19, wherein R4 is H or

deuterium.

22. The compound according to any one of claims 16 to 21 , wherein R5 is hydrogen.

23. The compound according to any one of claims 16 to 22, wherein m is 0.

24. The compound according to any of claims 16 to 23, wherein n is 0 or 1.

25. The compound according to any of claims 16 to 24, wherein the compound is selected from the group consisting of:

(2S)-2-[4-bromo-2-(1 ,2-oxazol-5-yl)phenoxy]butanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]butanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-3-methylbutanoic acid;

(2S)-2-{4-bromo-2-[3-(propan-2-yl)-1 ,2-oxazol-5-yl]phenoxy}propanoic acid; (2S)-2-[4-bromo-2-(4-methyl-1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-chloro-6-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(pyridin-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(5-methyl-1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(3-methyl-1 ,2,4-oxadiazol-5-yl)phenoxy]propanoic acid; (2S)-2-[4-bromo-2-(5-cyclopropyl-1 ,2-oxazol-3-yl)phenoxy]propanoic acid; (2S)-2-[2-(1 ,3-benzothiazol-2-yl)-4-bromophenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 ,3-thiazol-2-yl)phenoxy]propanoic acid; (2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(3-methyl-1 ,2-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 H-imidazol-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 H-imidazol-4-yl)phenoxy]propanoic acid;

{2R)- 2-[4-bromo-2-(1 ,2-oxazol-5-yl)phenoxy]-3-fluoropropanoic acid;

(2S)-2-[4-chloro-2-(1 ,3-dimethyl-1 H-pyrazol-4-yl)phenoxy]propanoic acid; (2S)-2-[4-chloro-2-(1 H-pyrazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(thiophen-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 -methyl-1 H-pyrazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[2-(1 ,3-benzothiazol-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,3,4-oxadiazol-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 H-pyrazol-1-yl)phenoxy]propanoic acid;

(2S)-2-[4,5-dichloro-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,3-oxazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-3-yl)phenoxy]-3-cyclopropylpropanoic acid; (2S)-2-[4-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2/?)-2-[4-chloro-2-(1 ,2-oxazol-3-yl)phenoxy]-3-fluoropropanoic acid;

(2S)-2-[4-chloro-2-(4-methyl-1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(5-cyclopropyl-1 ,2-oxazol-3-yl)phenoxy]propanoic acid; (2S)-2-[4-chloro-2-(1 ,2-oxazol-3-yl)phenoxy]-3-methylbutanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-3-yl)phenoxy]butanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-3-cyclopropylpropanoic acid; (2S)-2-[4-chloro-2-(1 ,3-oxazol-2-yl)phenoxy]propanoic acid;

(2/?)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-3-fluoropropanoic acid;

(2S)-2-[4-bromo-2-(2H-1 ,2,3-triazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]-4-fluorobutanoic acid; (2S)-2-[4-bromo-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-4-fluorobutanoic acid;

(2/?)-2-[4-chloro-5-fluoro-2-(1 ,2-oxazol-5-yl)phenoxy]-3-fluoropropanoic acid; (2S)-2-[4-bromo-2-(1 ,3-thiazol-4-yl)phenoxy]propanoic acid; (2S)-2-[4-bromo-5-fluoro-2-(1 ,3-oxazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]-3-methylbutanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]-3-cyclopropylpropanoic acid; (2/?)-2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]-3-fluoropropanoic acid;

(2S)-2-[4-chloro-5-fluoro-2-(1 ,2-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]butanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-4-yl)phenoxy]propanoic acid;

(2/?)-2-[4-chloro-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]-3-fluoropropanoic acid; (2S)-2-[4-chloro-2-(1 ,3-oxazol-4-yl)phenoxy]propanoic acid;

2-[4-bromo-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]acetic acid;

2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]acetic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-5-yl)phenoxy]-2-cyclopropylacetic acid;

(2S)-2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]-2-cyclopropylacetic acid; (2S)-2-[4-bromo-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]-3-cyclopropylpropanoic acid;

2-[4-bromo-2-(4-methyl-1 ,2-oxazol-3-yl)phenoxy]acetic acid;

2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-5-yl)phenoxy]acetic acid;

(2S)-2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-3-cyclobutylpropanoic acid; (2S)-2-[4-bromo-5-fluoro-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]propanoic acid; 2-[4-bromo-2-(1 ,2-oxazol-5-yl)phenoxy]acetic acid;

2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]acetic acid;

(2S)-2-[4-bromo-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]butanoic acid;

{2R)- 2-[4-bromo-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]-3-fluoropropanoic acid; (2S)-2-[4-bromo-2-(1 ,3,4-thiadiazol-2-yl)phenoxy]propanoic acid;

2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]acetic acid;

(2/?)-2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]-3-fluoropropanoic acid; (2S)-2-[4-chloro-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,3-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-3-ethoxypropanoic acid;

2-[4-bromo-2-(1 ,3-oxazol-4-yl)phenoxy]acetic acid; and

(2S)-2-[4-chloro-2-(1 ,2-thiazol-3-yl)phenoxy]propanoic acid.

Description:
Compounds for the treatment of neuromuscular disorders

Technical field

The present invention relates to compounds and their use in treating, ameliorating and/or preventing neuromuscular disorders, including the reversal of drug-induced neuromuscular blockade. The compounds as defined herein preferably inhibit the CIC- 1 ion channel. The invention further relates to methods of treating, preventing and/or ameliorating neuromuscular disorders, by administering said composition to a person in need thereof.

Background

Walking, breathing, and eye movement are examples of essential everyday

physiological activities that are powered by the contractile activity of skeletal muscle. Skeletal muscles are inherently in a resting state and contractile activity occurs exclusively in response to commands from the central nervous system (CNS). Such neuronal commands take the form of action potentials that travel from the brain to the muscle fibres in several steps. The neuromuscular junction (NMJ) is a highly specialized membrane area on muscle fibres where motor neurons come into close contact with the muscle fibres, and it is at the NMJ where neuronal action potentials are transmitted to muscular action potentials in a one-to-one fashion via synaptic transmission.

Neuromuscular transmission refers to the sequence of cellular events at the NMJ whereby an action potential in the lower motor neuron is transmitted to a corresponding action potential in a muscle fibre (Wood SJ, Slater CR. Safety factor at the

neuromuscular junction. Prog. Neurobiol. 2001 , 64, 393-429). When a neuronal action potential arrives at the pre-synaptic terminal it triggers influx of Ca 2+ through voltage gated P/Q-type Ca 2+ channels in the nerve terminal membrane. This influx causes a rise in cytosolic Ca 2+ in the nerve terminal that triggers exocytosis of acetylcholine (ACh). Released ACh next diffuses across the synaptic cleft to activate nicotinic ACh receptors in the post-synaptic, muscle fibre membrane. Upon activation, ACh receptors convey an excitatory current flow of Na + into the muscle fibre, which results in a local depolarization of the muscle fibre at the NMJ that is known as the endplate potential (EPP). If the EPP is sufficiently large, voltage gated Na + channels in the muscle fibre will activate and an action potential in the muscle fibre will ensue. This action potential then propagates from the NMJ throughout the muscle fibre and triggers release of Ca 2+ release from the sarcoplasmic reticulum. The released Ca 2+ activates the contractile proteins within the muscle fibres, thus resulting in contraction of the fibre.

Failure of neuromuscular transmission can arise from both pre-synaptic dysfunction [Lambert Eaton syndrome (Titulaer MJ, Lang B, Verschuuren JJ. Lambert-Eaton myasthenic syndrome: from clinical characteristics to therapeutic strategies. Lancet Neurol. 2011 , 10, 1098-107), amyotrophic lateral sclerosis (Killian JM, Wilfong AA, Burnett L, Appel SH, Boland D. Decremental motor responses to repetitive nerve stimulation in ALS. Muscle Nerve, 1994, 77, 747-754), spinal muscular atrophy (Wadman Rl, Vrancken AF, van den Berg LH, van der Pol WL. Dysfunction of the neuromuscular junction in spinal muscular atrophy types 2 and 3. Neurology, 2012 , 79, 2050-2055) and as a result of post-synaptic dysfunction as occurs in myasthenia gravis (Le Panse R, Berrih-Aknin S. Autoimmune myasthenia gravis: autoantibody

mechanisms and new developments on immune regulation. Curr Opin Neurol., 2013, 26, 569-576)]. Failure to excite and/or propagate action potentials in muscle can also arise from reduced muscle excitability such as in critical illness myopathy (CIM) (Latronico, N., Bolton, C.F. Critical illness polyneuropathy and myopathy: a major cause of muscle weakness and paralysis. Lancet Neurol. 2011 , 10, 931-941 ). In Lambert Eaton syndrome, an autoimmune attack against the pre-synaptic P/Q-type Ca 2+ channels results in markedly reduced Ca 2+ influx into the nerve terminal during the pre-synaptic action potential and consequently a reduced release of ACh into the synaptic cleft. In myasthenia gravis, the most common finding is an autoimmune attack on the post-synaptic membrane either against the nicotinic ACh receptors or the musk- receptor in the muscle fibre membrane 3 . Congenital forms of myasthenia are also known 5 . Common to disorders with neuromuscular transmission failure (Lambert Eaton syndrome, amyotrophic lateral sclerosis, spinal muscular atrophy and myasthenia gravis) is that the current flow generated by ACh receptor activation is markedly reduced, and EPPs therefore become insufficient to trigger muscle fibre action potentials.

Neuromuscular blocking agents also reduce EPP by antagonizing ACh receptors. In CIM with reduced muscle excitability, the EPP may be of normal amplitude but they are still insufficient to trigger muscle fibre action potentials because the membrane potential threshold for action potential excitation has become more depolarized because of loss of function of voltage gated Na + channels in the muscle fibres.

While ACh release (Lambert Eaton, amyotrophic lateral sclerosis, spinal muscular atrophy), ACh receptor function (myasthenia gravis, neuromuscular blockade) and function of voltage gated Na + channels (CIM) are essential components in the synaptic transmission at NMJ, the magnitude of the EPP is also affected by inhibitory currents flowing in the NMJ region of muscle fibres. These currents tend to outbalance excitatory current through ACh receptors and, expectedly, they thereby tend to reduce EPP amplitude. The most important ion channel for carrying such inhibitory membrane currents in muscle fibres is the muscle-specific CIC-1 Cl ion channel (Kwiecihski H, Lehmann-Horn F, RGdel R. Membrane currents in human intercostal muscle at varied extracellular potassium. Muscle Nerve. 1984, 7, 465-469; Kwiecihski H, Lehmann-Horn F, Rudel R. Drug-induced myotonia in human intercostal muscle. Muscle Nerve. 1988, 11, 576-581 ; Pedersen, T.H., F. de Paoli, and O.B. Nielsen. Increased excitability of acidified skeletal muscle: role of chloride conductance. J. Gen. Physiol., 2005, 125, 237-246).

ACh esterase (AChE) inhibitors are traditionally used in the treatment of myasthenia gravis. This treatment leads to improvement in most patients but it is associated with side effects, some of which are serious (Mehndiratta MM, Pandey S, Kuntzer T.

Acetylcholinesterase inhibitor treatment for myasthenia gravis. Cochrane Database Syst Rev. 2014, Oct 13; 10). Because ACh is an import neurotransmitter in the autonomic nervous system, delaying its breakdown can lead to gastric discomfort, diarrhea, salivation and muscle cramping. Overdosing is a serious concern as it can lead to muscle paralysis and respiratory failure, a situation commonly referred to as cholinergic crisis. Despite the serious side effects of AChE inhibitors, these drugs are today the treatment of choice for a number of disorders involving neuromuscular impairment. In patients where pyridostigmine (a parasympathomimetic and a reversible ACHE inhibitor) is insufficient, corticosteroid treatment (prednisone) and

immunosuppressive treatment (azathioprine) is used. Plasma exchange can be used to obtain a fast but transient improvement. Unfortunately, all of the currently-employed drug regimens for treatment of myasthenia gravis are associated with deleterious long-term consequences (Howard, J.F. Jr.

Adverse drug effects on neuromuscular transmission. Semin Neurol. 1990, 10, 89 - 102) despite research to identify new treatments (Gilhus, N.E. New England Journal of Medicine, 2016, 375, 2570-2581 ).

The CIC-1 ion channel (Pedersen, T.H., Riisager, A., Vincenzo de Paoli, F., Chen, T-Y, Nielsen, O.B. Role of physiological CIC-1 Cl ion channel regulation for the excitability and function of working skeletal muscle. J. Gen. Physiol. 2016, 147, 291 - 308) is emerging as a target for potential drugs, although its potential has been largely unrealized.

There have been publications of various ligands at the CIC-1 ion channels, see for example: Liantonio, A., Accardi, A., Carbonara, G., Fracchiolla, G., Loiodice, F., Tortorella P, Traverso S, Guida P, Pierno S, De Luca A, Camerino DC, Pusch M.

Molecular requisites for drug binding to muscle CLC-1 and renal CLC-K channel revealed by the use of phenoxy-alkyl derivatives of 2-(p-chlorophenoxy)propionic acid. Mol. Pharmacol., 2002, 62, 265 - 271 and Liantonio, A. et al., Structural requisites of 2- (p-chlorophenoxy)propionic acid analogues for activity on native rat skeletal muscle chloride conductance and on heterologously expressed CLC-1. Br. J. Phamacol., 2003, 129, 1255 - 1264.

In the article Liantonio, A., Pusch, M., Picollo, A., Guida, P., De Luca, A., Pierno, S., Fracchiolla, G., Loiodice, F., Tortorella, P., Conte-Camerino, D. Investigations of pharmacologic properties of the renal CLC-K1 chloride channel co-expressed with barttin by the use of 2-(p-chlorophenoxy)propionic acid derivatives and other structurally unrelated chloride hannels blockers. Journal of the American Society of Nephrology, 2004, 15, 13 - 20, ligands for CLC-K1 chloride channels were disclosed.

In Bettoni, G., Ferorelli, S., Loiodice, F., Tangari, N., Tortorella, V., Gasparrini, F.,

Misiti, D., Villani, C. Chiral a-substituted a-aryloxyacetic acids: synthesis, absolute configuration, chemical resolution, and direct separation by HPLC. Chirality, 1992, 4, 193 - 203, some further substituted phenoxyacetic acids were investigated. In the publication Pusch, M., Liantonio, A., Bertorello, L, Accardi, A., De Luca, A., Pierno, S., Tortorella, V., Conte-Camerino, D. Pharmacological characterization of chloride channels belonging to the CIC family by the use of chiral clofibric acid derivatives. Molecular Pharmacology, 2000, 58, 498 - 507, the authors disclosed effects of enantiomers of 2-(p-chlorophenoxy)propionic acid on CLC-1 and CLC-2 ion channels.

In the article Ferorelli, S., Loiodice, F., Tortorella, V., Conte-Camerino, D., De Luca, A.M. Carboxylic acids and skeletal muscle chloride channel conductance: effects on the biological activity induced by the introduction of methyl groups on the aromatic ring of chiral a-(4-chloro-phenoxy)alkanoic acids, Farmaco, 2001 , 56, 239 - 246, derivatives of (4-chloro-phenoxy)alkanoic acids were tested for skeletal muscle chloride

conductance.

In the publication: Conte-Camerino, D., Mambrini, M., DeLuca, A., Tricarico, D., Bryant, S.H., Tortorella, V., Bettoni, G. Enantiomers of clofibric acid analogs have opposite actions on rat skeletal muscle chloride channels, Pfluegers Archiv., 1988, 413, 105 - 107, enantiomers of clofibric acid were investigated, as well as Feller, D.R., Kamanna, V.S., Newman, H.A.I., Romstedt, K.J., Witiak, D.T., Bettoni, G., Bryant, S.H., Conte- Camerino, D., Loiodice, F., Tortorella, V. Dissociation of hypolipidemic and antiplatelet actions from adverse myotonic effects of clofibric acid related enantiomers. Journal of Medicinal Chemistry, 1987, 30, 1265 - 1267.

Edoardo Aromataris investigated 4-chlorophenoxyisobutyric acid derivatives in his PhD thesis“Pharmacology of the CIC-1 Chloride Channel”; see:

https://digital.library.adelaide.edu.aU/dspace/bitstream/ 2440/58973/8/02whole.pdf

In WO 2005/105727, Sandham et al., reported a range of substituted phenoxyacetic acids, including 2-(4-chloro-2-cycloheptylphenoxy)acetic acid, as CRTh2 receptor antagonists for treating inflammatory or allergic conditions.

In WO 2006/037982 and WO 2004/089885, Bonnert et al. described a set of substituted phenoxyacetic acids as prostaglandin D 2 ligands for the treatment of respiratory disorders. In FR 1 451 171 , Logeais Bonnert described 2-(1 ,3,4-oxadiazol-2-yl)phenoxy derived compounds having antiinflammatory activity.

In the article Journal of Medicinal Chemistry, 2004, 47, 6160-73, Gentili et al describe using 2-(thiophen-3-yl)phenoxy)acetic acid derivates as adreno receptors.

In the article Journal of Medicinal Chemistry, 2010, 53, 7825-35, Del Bello et al describe using 2-(thiophen-3-yl)phenoxy)acetic acid derivates as adreno receptors.

In US 2006/0211765, Pairaudeau et al. reported a further series of substituted biphenyloxy acetic acids for treatment of respiratory disorders

In WO 2016/202341 , Pedersen et al. reported a series of of phenoxypropionic acids and related compounds that appear to block the CIC-1 ion channel for use in treating, ameliorating and/or preventing neuromuscular disorders. However, they possess alternative structural features to those in the current invention.

Summary

The present invention comprises a new series of compounds that alleviate disorders of the neuromuscular junction through inhibition of CIC-1 channels.

It has been found that a set of novel compounds that inhibit CIC-1 ion channels are capable of restoring neuromuscular transmission, as evidenced by the data generated by investigation of the compound set in biological models described herein. These compounds thus constitute a new group of potential drugs that can be used to treat or ameliorate muscle weakness and muscle fatigue in neuromuscular junction disorders caused by disease or by neuromuscular blocking agents.

The present invention thus concerns the discovery of new CIC-1 ion channel inhibitors with application in the treatment of a range of conditions, such as reversal of block, ALS and myasthenic conditions, in which muscle activation by the nervous system is compromised and symptoms of weakness and fatigue are prominent.

In one aspect, the invention concerns a compound of Formula (I):

Formula (I)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 2 is a 5-6 membered aromatic heterocycle or an 8-10 membered aromatic bicyclic heterocycle each of which may be optionally substituted with one or more, identical or different, substituents R 6 ;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C2-5 alkenyl, -C(=0)-C 2- 5 alkynyl, -C(=0)-C 3- 5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-C 1 -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1 -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof,

for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade. In another aspect, the invention concerns a compound of Formula (I):

Formula (I)

wherein:

- R 1 is selected from the group consisting of F, Cl, Br and I;

- R 2 is a 5-6 membered aromatic heterocycle or an 8-10 membered aromatic bicyclic heterocycle each of which may be optionally substituted with one or more, identical or different, substituents R 6 ; - R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3 _5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F; and

- n is an integer 0, 1 , 2 or 3; or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof, with the proviso that when R 4 is H then R 2 is 1 ,2,3- thiadiazol-4-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2-thiazol-3-yl, 1 ,2-oxazol-3-yl or 1 ,3-oxazol-4-yl.

In yet another aspect, the invention concerns a composition comprising a compound as defined herein.

Description of Drawings

Figure 1. Panel A shows a schematic representation of the positioning of the three microelectrodes (\ , V 2 and V 3 ) when inserted in a single skeletal muscle fibre for G m determination. Please note that the drawing illustrates only the impaled fibre although it is part of an intact muscle that contains many such fibres. All electrodes recorded the membrane potential of the fibre and the two peripheral electrodes were used to inject current (-30 nA, 50 ms). The electrodes were inserted with known inter-electrode distances (X-i, X 2 and X 3 ). After insertion, current was passed first via the \ electrode and then via the V 3 electrode. The resulting deflections in the membrane voltage were measured by the other electrodes. The steady state deflections in membrane potential were measured and divided by the magnitude of the injected current (-30 nA) to obtain transfer resistances. These were next plotted against inter-electrode distances, and fitted to an exponential function (Panel B), from which G m could be calculated using linear cable theory. The approach described in panel A and B, was repeated for several muscle fibres in the muscle during exposure at increasing concentrations of compound A-19, with approx. 10 fibres at each concentration. Average G m at each concentration was plotted as a function of compound concentration in panel C, and fitted to a 4- parameter sigmoidal function from which the EC 50 value for the compound was obtained (dashed line)

Figure 2. Panel A shows representative force traces before and after exposure to compound A-22. Force traces from a representative muscle stimulated to contract in 1 ) control condition before addition of neuromuscular blocking agent, 2) the force response to stimulation after 90 minutes incubation with Tubocurarine. Here the muscle displays severe neuromuscular transmission impediment, and 3) The muscle force response after addition of 50 mM compound A-22. Panel B shows average force (AUC) from 3 muscles relative to their initial force. The traces presented in panel A (1 , 2, 3), correspond to the dotted lines in panel B, respectively. Thus, force is lost due to 90 min incubation in tubocurarine and is subsequently recovered when compound A-19 is added.

Figure 3: Panel A illustrates the voltage protocol used to evoke currents in whole cell patches of CHO cells expressing human CIC-1 channels. Panel B shows

representative whole cell current traces from a patched CHO cell expressing human CIC-1 channels. Currents were evoked by applying the voltage protocol shown in Panel A.

Figure 4: Panel A shows a representative l/V plot of constant current density in a CIC- 1 expressing CHO cell before (circles) and after (squares) application of 100 mM of the CIC-1 inhibitor, 9-anthracenecarboxylic acid (9-AC, Sigma A89405). Panel B shows a l/V plot of instant tail current density from the same CIC-1 expressing CHO cell as illustrated in Panel A, before (circles) and after (squares) application of 100 mM 9-AC. Figure 5: Figure 5 shows representative plots of normalized instant tail currents from a CIC-1 expressing CHO cell patch before (circles) and after (squares) application of 100 mM 9-AC. The instant tail currents at each voltage step were normalized to the maximal tail current obtained following the (+)120 mV voltage step and fitted to a Boltzmann function to determine the half activation potential, V 1/2 .

Detailed description

Definitions

The terms“Ci -3 alkyl” and "Ci -5 -alkyl" refers to a branched or unbranched alkyl group having from one to three or one to five carbon atoms respectively, including but not limited to methyl, ethyl, prop-1 -yl, prop-2-yl, 2-methyl-prop-1-yl, 2-methyl-prop-2-yl, 2,2- dimethyl-prop-1-yl, but-1-yl, but-2-yl, 3-methyl-but-1-yl, 3-methyl-but-2-yl, pent-1-yl, pent-2-yl and pent-3-yl.

The term "C 1-5 -alkenyl" refers to a branched or unbranched alkenyl group having from one to five carbon atoms, two of which are connected by a double bond, including but not limited to ethenyl, propenyl, isopropenyl, butenyl, isobutenyl, pentenyl and isopentenyl.

The term "C 1-5 -alkynyl" to a branched or unbranched alkynyl group having from one to five carbon atoms, two of which are connected by a triple bond, including but not limited to ethynyl, propynyl, butynyl and pentynyl. The term“-C(=0)-” refers to a carbonyl group and is used herein followed by a specification of the group connected thereto, such as for example the term“-C(=0)-Cr 5 alkyl” which refers to a carbonyl group connected to a branched or unbranched alkyl group having from one to five carbon atoms, including but not limited to a carbonyl group connected to methyl, ethyl, prop-1 -yl, prop-2 -yl, 2-methyl-prop-1-yl, 2-methyl- prop-2-yl, 2,2-dimethyl-prop-1-yl, but-1-yl, but-2-yl, 3-methyl-but-1-yl, 3-methyl-but-2-yl, pent-1-yl, pent-2-yl or pent-3-yl.

The term "C 3-5 -cycloalkyl" refers to a group having three to five carbon atoms including a monocyclic or bicyclic carbocycle, including but not limited to cyclopropyl, cyclobutyl, cyclopentyl, cyclopropylmethyl, cyclopropylethyl and cyclobutylmethyl.

The term "C 5 -cycloalkenyl" refers to a group having five carbon atoms including a monocyclic or bicyclic carbocycle wherein two carbon atoms in the ring are connected by a double bond, including but not limited to cyclobutenylmethyl and cyclopentenyl.

The term "5-6 membered heterocycle" refers to a group having five to six carbon atoms wherein between 1 and 3 carbon atoms in the ring have been replaced with a heteroatom selected from the group comprising nitrogen, sulphur and oxygen. Binding to the heterocycle may be at the position of the heteroatom or via a carbon atom of the heterocycle.

5-membered heterocycles include but are not limited to furan, thiophene, pyrrole, imidazole, pyrazole, oxazole, thiazole, isoxazole, isothiazole, 1 ,2,3-triazole, 1 ,2,4- triazole, 1 ,2,5-oxadiazole, 1 ,2,3-oxadiazole, 1 ,2,4-oxadiazole, 1 ,3,4-oxadiazole, 1 ,2,5- thiadiazole, 1 ,2,3-thiadiazole, 1 ,2,4-thiadiazole, 1 ,3,4-thiadiazole, dihydrofuran, dihydrothiophene, 3-pyrroline, 2-pyrroline, 2-imidazoline, 2-pyrazolidine, dihydro- oxazole, dihydro-thiazole, dihydro-isoxazole, dihydro-isothiazole, dihydro-1 ,2,3-triazole, dihydro-1 ,2,4-triazole, dihydro-1 ,2,5-oxadiazole, dihydro-1 ,2, 3-oxadiazole, dihydro- 1 , 2, 4-oxadiazole, dihydro-1 ,3,4-oxadiazole, dihydro-1 , 2, 5-thiadiazole, dihydro-1 ,2,3- thiadiazole, dihydro-1 , 2, 4-thiadiazole, dihydro-1 , 3, 4-thiadiazole, tetrahydrofuran, tetrahydrothiophene, pyrrolidine, imidazolidine, pyrazolidine, oxazolidine, thiazolidine, isoxazolidine, isothiazolidine, 1 ,2,3-triazolidine, 1 ,2,4-triazolidine, 1 ,2,5-oxadiazolidine,

1 ,2,3-oxadiazolidine, 1 ,3,4-oxadiazolidine, 1 ,2,5-thiadiazolidine, 1 ,2,3-thiadiazolidine, 1 ,3,4-thiadiazolidine, 1 ,2-oxathiolane, 1 ,3-oxathiolane, 2-oxazolidinone and 2- pyrrolidinone.

6-membered heterocycles include but are not limited to pyridine, pyrazine, pyrimidine, pyridazine, tetrahydropyran, thiane, piperidine, 1 , 4-dioxane, morpholine, 1 ,4- oxathiane, 1 ,4-diathiane and piperazine.

The term "8-10 membered bicyclic heterocycle" refers to a group having eight to ten heavy atoms in which two ring systems have been fused together, wherein between 1 and 3 carbon atoms in the ring have been replaced with a heteroatom selected from the group comprising nitrogen, sulphur and oxygen. Binding to the heterocycle may be at the position of the heteroatom or via a carbon atom of the heterocycle.

Examples of 8-membered bicyclic heterocycles include but are not limited to tetrahydro-4/-/-cyclopent[d]isoxazole, hexahydro-1 H-pyrrolizine, 1 ,4-dihydropyrrolo[3,2- b]pyrrole, 1 ,6-dihydropyrrolo[2,3-b]pyrrole, 6/-/-furo[2,3-b]pyrrole, 4/-/-furo[3,2-b]pyrrole, 6/-/-thieno[2,3-b]pyrrole and 4/-/-thieno[3,2-b]pyrrole.

Examples of 9-membered bicyclic heterocycles include but are not limited to benzofuran, benzothiophene, indole, benzimidazole, indazole, benzothiazole, benzoxazole, 1 ,2-benzisoxazole, 1 ,2-benzisothiazole, benzotriazole, pyrrolopyridine, pyrazolopyridine and imidazopyridine.

Examples of 10-membered bicyclic heterocycles include but are not limited to quinoline, isoquinoline, cinnoline, quinazoline, quinoxaline, phthalazine and

naphthyridine.

The term“half-life” as used herein is the time it takes for the compound to lose one-half of its pharmacologic activity. The term "plasma half-life" is the time that it takes the compound to lose one-half of its pharmacologic activity in the blood plasma.

The term“treatment” refers to the combating of a disease or disorder.“Treatment” or “treating,” as used herein, includes any desirable effect on the symptoms or pathology of a disease or condition as described herein, and may include even minimal changes or improvements in one or more measurable markers of the disease or condition being treated. “Treatment” or“treating” does not necessarily indicate complete eradication or cure of the disease or condition, or associated symptoms thereof. In some

embodiments, the term“treatment” encompasses amelioration and prevention. The term“amelioration” refers to moderation in the severity of the symptoms of a disease or condition. Improvement in a patient's condition, or the activity of making an effort to correct, or at least make more acceptable, conditions that are difficult to endure related to patient's conditions is considered“ameliorative” treatment.

The term“prevent” or“preventing” refers to precluding, averting, obviating, forestalling, stopping, or hindering something from happening, especially by advance action.

The term“reversal” or“reversing” refers to the ability of a compound to restore nerve- stimulated force in skeletal muscle exposed either ex vivo or in vivo to a non- depolarizing neuromuscular blocking agent or another pharmaceutical that is able to depress neuromuscular transmission

The term“non-depolarizing blockers” refers to pharmaceutical agents that antagonize the activation of acetylcholine receptors at the post-synaptic muscle fibre membrane by blocking the acetylcholine binding site on the receptor. These agents are used to block neuromuscular transmission and induce muscle paralysis in connection with surgery.

The term“ester hydrolysing reagent” refers to a chemical reagent which is capable of converting an ester functional group to a carboxylic acid with elimination of the alcohol moiety of the original ester, including but not limited to acid, base, a fluoride source, PBr 3 , PCI 3 and lipase enzymes.

The term“recovery of force in muscle with neuromuscular dysfunction” refers to the ability of a compound to recover contractile force in nerve-stimulated healthy rat muscle after exposure to submaximal concentration of (115 nM) tubocurarine for 90 mins. Recovery of force is quantified as the percentage of the force prior to tubocurarine that is recovered by the compound.

The term“total membrane conductance (Gm)” is the electrophysiological measure of the ability of ions to cross the muscle fibre surface membrane. It reflects the function of ion channels that are active in resting muscle fibres of which CIC-1 is known to contribute around 80 % in most animal species. Compounds

It is within the scope of the present invention to provide a compound for use in treating, ameliorating and/or preventing neuromuscular disorders characterized in that the neuromuscular function is reduced. As disclosed herein, inhibition of CIC-1 improves or restores neuromuscular function. The compounds of the present invention comprise compounds capable of inhibiting the CIC-1 channel thereby improving or restoring neuromuscular function.

In one aspect, the invention concerns a compound of Formula (I):

Formula (I)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 2 is a 5-6 membered heterocycle or an 8-10 membered bicyclic heterocycle each of which may be optionally substituted with one or more, identical or different, substituents R 6 ;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej

- R 4 is selected from the group consisting of C 1-5 alkyl, C 2-5 alkenyl, C 2-5

alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl, C 2-5 alkenyl and C 2-5 alkynyl;

- R 6 is independently selected from the group consisting of H, deuterium, tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C 2-5 alkenyl, O-C 2-5 alkynyl, O-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C2- 5 alkenyl, C2- 5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C2- 5 alkenyl, O-C2- 5 alkynyl, O-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)-

C2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl, S-C 1-3 alkyl, CH 2 -0-C 1-3 alkyl and CH 2 -S-C 1-3 alkyl;

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof, with the proviso that when R 2 is 3-thienyl, R 1 is H, n=0 and R 5 is CH 3 then R 4 is not CH 3 .

In one aspect, the invention concerns a compound of Formula (I):

Formula (I)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 2 is a 5-membered heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 ;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej - R 4 is selected from the group consisting of Ci -5 alkyl, C 2- 5 alkenyl, C 2- 5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl, C 2-5 alkenyl and C 2-5 alkynyl;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl, S-Ci -3 alkyl, CH 2 -0-Ci -3 alkyl and CH 2 -S-C I-3 alkyl;

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof, with the proviso that when R 2 is 3-thienyl, R 1 is H, n=0 and R 5 is CH 3 then R 4 is not CH 3 .

In one embodiment, R 2 is selected from the group consisting of 1 ,2-oxazol-3-yl, 1 ,2- oxazol-4-yl, 1 ,2-oxazol-5-yl, 1 ,3-oxazol-2-yl, 1 ,3-oxazol-4-yl, 1 ,3-oxazol-5-yl, 1 ,2- thiazol-3-yl, 1 ,2-thiazol-4-yl, 1 ,2-thiazol-5-yl, 1 ,3-thiazol-2-yl, 1 ,3-thiazol-4-yl, 1 ,3- thiazol-5-yl, 1 ,2,3-thiadiazol-4-yl, 1 ,2,3-thiadiazol-5-yl, 1 ,2,4-thiadiazol-3-yl, 1 ,2,4- thiadiazol-5-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2,5-thiadiazol-3-yl, 1 ,2,3-oxadiazol-4-yl, 1 ,2,3- oxadiazol-5-yl, 1 ,2,4-oxadiazol-3-yl, 1 ,2,4-oxadiazol-5-yl, 1 ,3,4-oxadiazol-2-yl and 1 ,2,5-oxadiazol-3-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 2 is selected from the group consisting of 1 ,2-oxazol-3-yl, 1 ,2- oxazol-4-yl, 1 ,2-oxazol-5-yl, 1 ,3-oxazol-2-yl, 1 ,3-oxazol-4-yl, 1 ,3-oxazol-5-yl, 1 ,2- thiazol-3-yl, 1 ,2-thiazol-4-yl, 1 ,2-thiazol-5-yl, 1 ,3-thiazol-2-yl, 1 ,3-thiazol-4-yl, 1 ,3- thiazol-5-yl, 1 ,2,3-thiadiazol-4-yl, 1 ,2,3-thiadiazol-5-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,3,4- thiadiazol-5-yl, 1 ,2,3-oxadiazol-4-yl, 1 ,2,3-oxadiazol-5-yl, 1 ,3,4-oxadiazol-2-yl and 1 ,3,4-oxadiazol-5-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In a preferred embodiment, R 2 is selected from the group consisting of 1 ,2,3-thiadiazol- 4-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2-thiazol-3-yl, 1 ,2-oxazol-3-yl, 1 ,2-oxazol-5-yl and 1 ,3- oxazol-4-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one aspect, the invention concerns a compound of Formula (I):

Formula (I)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 2 is a 6-membered heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 ;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej

- R 4 is selected from the group consisting of C 1-5 alkyl, C 2-5 alkenyl, C 2-5

alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl, C 2-5 alkenyl and C 2-5 alkynyl;

- R 6 is independently selected from the group consisting of H, deuterium, tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C 2-5 alkenyl, O-C 2-5 alkynyl, O-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C 2-5 alkenyl, O-C 2-5 alkynyl, O-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl, S-C 1-3 alkyl, CH 2 -0-C 1-3 alkyl and CH 2 -S-C 1-3 alkyl;

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one aspect, the invention concerns a compound of Formula (I):

Formula (I)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 2 is an 8-10 membered bicyclic heterocycle which may be optionally

substituted with one or more, identical or different, substituents R 6 ;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej - R 4 is selected from the group consisting of Ci -5 alkyl, C 2- 5 alkenyl, C 2- 5 alkynyl, C3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl, C 2-5 alkenyl and C 2-5 alkynyl;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl, S-Ci -3 alkyl, CH 2 -0-Ci -3 alkyl and CH 2 -S-C I-3 alkyl;

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one aspect, the invention concerns a compound of Formula (I):

Formula (I)

wherein: - R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 2 is a 5-6 membered heterocycle or an 8-10 membered bicyclic heterocycle each of which may be optionally substituted with one or more, identical or different, substituents R 6 ;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F; - R 9 is independently selected from the group consisting of deuterium, methoxy, nitro, cyano, Cl, Br, I and F;

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one embodiment, R 2 is a 5-6 membered aromatic heterocycle or an 8-10 membered aromatic bicyclic heterocycle each of which may be optionally substituted with one or more, identical or different, substituents R 6 . In one embodiment, R 1 is selected from the group consisting of F, Cl, Br and I.

In one embodiment, R 2 is a 5-6 membered aromatic heterocycle or an 8-10 membered aromatic bicyclic heterocycle each of which may be optionally substituted with one or more, identical or different, substituents R 6 and R 1 is selected from the group consisting of F, Cl, Br and I.

In one embodiment, R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 and R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br.

In one embodiment, R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2 -5 alkenyl, C 2- 5 alkynyl, C3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br.

In one embodiment, R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2 _5 alkenyl, C 2-5 alkynyl, C3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2- 5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 , R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br, and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 . In one embodiment, R 5 is H, R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br.

In one embodiment, R 5 is H, R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 5 is H, R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 , R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br, and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br with the proviso that when R 4 is H then R 2 is selected from the group consisting of 1 ,2,3- thiadiazol-4-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2-thiazol-3-yl, 1 ,2-oxazol-3-yl and 1 ,3-oxazol-4-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 with the proviso that when R 4 is H then R 2 is selected from the group consisting of 1 ,2,3-thiadiazol-4-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2- thiazol-3-yl, 1 ,2-oxazol-3-yl and 1 ,3-oxazol-4-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 , R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br, and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 with the proviso that when R 4 is H then R 2 is selected from the group consisting of 1 ,2,3-thiadiazol-4-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2- thiazol-3-yl, 1 ,2-oxazol-3-yl and 1 ,3-oxazol-4-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 5 is H, R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2-5 alkenyl, C 2- 5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br with the proviso that when R 4 is H then R 2 is selected from the group consisting of 1 ,2,3- thiadiazol-4-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2-thiazol-3-yl, 1 ,2-oxazol-3-yl and 1 ,3-oxazol-4-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 5 is H, R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 with the proviso that when R 4 is H then R 2 is selected from the group consisting of 1 ,2,3-thiadiazol-4-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2- thiazol-3-yl, 1 ,2-oxazol-3-yl and 1 ,3-oxazol-4-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 5 is H, R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 , R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br, and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 with the proviso that when R 4 is H then R 2 is selected from the group consisting of 1 ,2,3-thiadiazol-4-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2- thiazol-3-yl, 1 ,2-oxazol-3-yl and 1 ,3-oxazol-4-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 . In one embodiment, R 4 is selected from the group consisting of Ci -5 alkyl, C 2- 5 alkenyl, C 2 -5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 .

In one embodiment, R 4 is selected from the group consisting of Ci -5 alkyl, C 2-5 alkenyl, C 2 _5 alkynyl, C3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br.

In one embodiment, R 4 is selected from the group consisting of C 1-5 alkyl, C 2-5 alkenyl, C 2- 5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 4 is selected from the group consisting of C 1-5 alkyl, C 2-5 alkenyl, C 2- 5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 , R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br, and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 5 is H, R 4 is selected from the group consisting of Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 .

In one embodiment, R 5 is H, R 4 is selected from the group consisting of Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br.

In one embodiment, R 5 is H, R 4 is selected from the group consisting of C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 5 is H, R 4 is selected from the group consisting of C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 , R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br, and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one aspect, the invention concerns a compound of Formula (I):

Formula (I)

wherein:

- R 1 is selected from the group consisting of F, Cl, Br and I;

- R 2 is a 5-6 membered aromatic heterocycle or an 8-10 membered aromatic bicyclic heterocycle each of which may be optionally substituted with one or more, identical or different, substituents R 6 ;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium, tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F,

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof. In one embodiment, when R 4 is H then R 2 is selected from the group consisting of 1 ,2,3-thiadiazol-4-yl, 1 ,2-oxazol-3-yl or 1 ,3-oxazol-4-yl. In one embodiment, when R 4 is H then R 2 is selected from the group consisting of 1 ,2,3-thiadiazol-4-yl, 1 ,3,4-thiadiazol- 2-yl, 1 ,2-thiazol-3-yl, 1 ,2-oxazol-3-yl and 1 ,3-oxazol-4-yl.

In one embodiment, R 2 is a 5-membered aromatic heterocycle, wherein each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 2 is selected from the group consisting of 1 ,2-oxazol-3-yl, 1 ,2- oxazol-4-yl, 1 ,2-oxazol-5-yl, 1 ,3-oxazol-2-yl, 1 ,3-oxazol-4-yl, 1 ,3-oxazol-5-yl, 1 ,2- thiazol-3-yl, 1 ,2-thiazol-4-yl, 1 ,2-thiazol-5-yl, 1 ,3-thiazol-2-yl, 1 ,3-thiazol-4-yl, 1 ,3- thiazol-5-yl, 1 ,2,3-thiadiazol-4-yl, 1 ,2,3-thiadiazol-5-yl, 1 ,2,4-thiadiazol-3-yl, 1 ,2,4- thiadiazol-5-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2,5-thiadiazol-3-yl, 1 ,2,3-oxadiazol-4-yl, 1 ,2,3- oxadiazol-5-yl, 1 ,2,4-oxadiazol-3-yl, 1 ,2,4-oxadiazol-5-yl, 1 ,3,4-oxadiazol-2-yl and 1 ,2,5-oxadiazol-3-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 . In one embodiment, R 2 is selected from the group consisting of 1 ,2-oxazol-3-yl, 1 ,2- oxazol-4-yl, 1 ,2-oxazol-5-yl, 1 ,3-oxazol-2-yl, 1 ,3-oxazol-4-yl, 1 ,3-oxazol-5-yl, 1 ,2- thiazol-3-yl, 1 ,2-thiazol-4-yl, 1 ,2-thiazol-5-yl, 1 ,3-thiazol-2-yl, 1 ,3-thiazol-4-yl, 1 ,3- thiazol-5-yl, 1 ,2,3-thiadiazol-4-yl, 1 ,2,3-thiadiazol-5-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,3,4- thiadiazol-5-yl, 1 ,2,3-oxadiazol-4-yl, 1 ,2,3-oxadiazol-5-yl, 1 ,3,4-oxadiazol-2-yl and 1 ,3,4-oxadiazol-5-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 . In a preferred embodiment, R 2 is selected from the group consisting of 1 ,2,3-thiadiazol- 4-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2-thiazol-3-yl, 1 ,2-oxazol-3-yl, 1 ,2-oxazol-5-yl and 1 ,3- oxazol-4-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 . In one embodiment, the invention relates to a compound of Formula (II):

Formula (II)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej - R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2-5

alkenyl, C 2- 5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2- 5 alkenyl, C 2- 5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl,

C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one embodiment, the invention relates to a compound of Formula (III):

Formula (III)

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN, CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3 _5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens; - R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C I-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one embodiment, the invention relates to a compound of Formula (IV):

Formula (IV)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej

- R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ; - R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2- 5 alkenyl, C 2- 5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one embodiment, the invention relates to a compound of Formula (V):

Formula (V)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens; - R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C I-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one embodiment, the invention relates to a compound of Formula (VI):

Formula (VI)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ; - R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2- 5 alkenyl, C 2- 5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one embodiment, the invention relates to a compound of Formula (VII):

Formula (VII)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens; - R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C I-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one embodiment, the invention relates to a compound of Formula (VIII):

Formula (VIII)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ; - R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 , 2 or 3; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one embodiment, the invention relates to a compound of Formula (IX):

Formula (IX)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I; - R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej

- R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2- 5

alkenyl, C 2- 5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C 2-5 alkenyl, O-C 2-5 alkynyl, O-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)-

C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2- 5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens; - R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CFi 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0 or 1 ; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one embodiment, the invention relates to a compound of Formula (X):

Formula (X)

wherein:

- R 1 is selected from the group consisting of FI, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej

- R 4 is selected from the group consisting of FI, deuterium, C 1-5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ; - R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2- 5 alkenyl, C 2- 5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 , 2, 3 or 4; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one embodiment, the invention relates to a compound of Formula (XI):

Formula (XI)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens; - R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - O-C-i-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 , 2 or 3; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one embodiment, the invention relates to a compound of Formula (XII):

Formula (XII)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej

- R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2- 5

alkenyl, C 2- 5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ; - R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2- 5 alkenyl, C 2- 5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 , 2 or 3; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one embodiment, the invention relates to a compound of Formula (XIII):

Formula (XIII)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej

- R 4 is selected from the group consisting of FI, deuterium, C 1-5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of FI, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of FI, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C 2-5 alkenyl, O-C 2-5 alkynyl, O-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CFl 2 -0-C 1-3 alkyl and -CFl 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CFl 2 -0-C 1-3 alkyl and -CFl 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens; - R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CFi 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 , 2 or 3; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one embodiment, the invention relates to a compound of Formula (XIV):

Formula (XIV)

wherein:

- R 1 is selected from the group consisting of FI, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CFiF 2 , CHCI 2 , CFi 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of FI, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ; - R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2- 5 alkenyl, C 2- 5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 , 2 or 3; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one embodiment, the invention relates to a compound of Formula (XIV):

Formula (XIV)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I; - R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3 _5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)-

C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3 _5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens; - R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C I-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0 or 1 ; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one embodiment, the invention relates to a compound of Formula (II):

Formula (II)

wherein:

- R 1 is selected from the group consisting of F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej

- R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ; - R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F,

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof, with the proviso that when R 4 is H and R 5 is H then n is 1 , 2 or 3 and with the proviso that when R 4 is H and R 5 is Me or Et then n is 2 or 3.

In one embodiment, the invention relates to a compound of Formula (III):

Formula (III)

wherein:

- R 1 is selected from the group consisting of F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)-

C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3 _5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens; - R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C I-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one embodiment, the invention relates to a compound of Formula (XVI):

Formula (XVI)

wherein:

- R 1 is selected from the group consisting of F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of Ci -5 alkyl, C 2-5 alkenyl, C 2-5

alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl,

C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one embodiment, the invention relates to a compound of Formula (XVII):

Formula (XVII)

wherein:

- R 1 is selected from the group consisting of F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej

- R 4 is selected from the group consisting of C 1-5 alkyl, C 2-5 alkenyl, C 2-5

alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of FI, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of FI, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C 2-5 alkenyl, O-C 2-5 alkynyl, O-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CFI 2 -0-C 1.3 alkyl and -CFI 2 -S-C 1.3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C 2-5 alkenyl, O-C 2-5 alkynyl, O-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CFl 2 -0-C 1-3 alkyl and -CFl 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens; - R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C I-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0 or 1 ; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one embodiment, the invention relates to a compound of Formula (XVIII):

Formula (XVIII)

wherein:

- R 1 is selected from the group consisting of F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of Ci -5 alkyl, C 2-5 alkenyl, C 2-5

alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2- 5 alkenyl, C 2- 5 alkynyl, C3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0 or 1 ; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

In one embodiment, the invention relates to a compound of Formula (I) wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 2 is a 5-6 membered heterocycle or an 8-10 membered bicyclic heterocycle each of which may be optionally substituted with one or more, identical or different, substituents R 6 ; - R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of Ci -5 alkyl, Ci -5 alkenyl, Ci -5

alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl, Ci -5 alkenyl and Ci -5 alkynyl;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 1-5 alkenyl, C 1-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 1-5 alkenyl, 0-C 1-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 1-5 alkenyl, -C(=0)-C 1-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 1-5 alkenyl, C 1-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 1-5 alkenyl, 0-C 1-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 1-5 alkenyl, -C(=0)-C 1-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens; and

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl, S-Ci -3 alkyl, CH 2 -0-Ci -3 alkyl and CH 2 -S-C I-3 alkyl.

In one embodiment, the invention relates to a compound of Formula (II), (III), (IV), (V), (VI), (VII), (VIII), (IX), (X), (XI), (XII), (XIII), (XIV), (XV), (XVI), (XVII) or (XVIII) wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanide!

- R 4 is selected from the group consisting of C 1-5 alkyl, C 1-5 alkenyl, C 1-5

alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl, C 1-5 alkenyl and C 1-5 alkynyl;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 1-5 alkenyl, C 1-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-Ci -5 alkenyl, 0-Ci -5 alkynyl, O-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- Ci -5 alkenyl, -C(=0)-Ci -5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl, and wherein Ci -5 alkyl, Ci -5 alkenyl, Ci -5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-Ci -5 alkenyl, 0-Ci -5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)-

Ci -5 alkenyl, -C(=0)-Ci -5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens; and

- R 7 is independently selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl, S-C 1-3 alkyl, CH 2 -0-C 1-3 alkyl and CH 2 -S-C 1-3 alkyl.

In a specific embodiment, the compound is selected from the group consisting of:

In a specific embodiment, the compound is selected from the group consisting of:

(2S)-2-[4-bromo-2-(1 ,2-oxazol-5-yl)phenoxy]butanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]butanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-3-methylbutanoic acid;

(2S)-2-{4-bromo-2-[3-(propan-2-yl)-1 ,2-oxazol-5-yl]phenoxy}propanoic acid; (2S)-2-[4-bromo-2-(4-methyl-1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-chloro-6-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(pyridin-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(5-methyl-1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(3-methyl-1 ,2,4-oxadiazol-5-yl)phenoxy]propanoic acid; (2S)-2-[4-bromo-2-(5-cyclopropyl-1 ,2-oxazol-3-yl)phenoxy]propanoic acid; (2S)-2-[2-(1 ,3-benzothiazol-2-yl)-4-bromophenoxy]propanoic acid; (2S)-2-[4-chloro-2-(1 ,3-thiazol-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(3-methyl-1 ,2-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 H-imidazol-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 H-imidazol-4-yl)phenoxy]propanoic acid;

(2R)-2-[4-bromo-2-(1 ,2-oxazol-5-yl)phenoxy]-3-fluoropropanoic acid;

(2S)-2-[4-chloro-2-(1 ,3-dimethyl-1 H-pyrazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 H-pyrazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(thiophen-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1-methyl-1 H-pyrazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[2-(1 ,3-benzothiazol-2-yl)phenoxy]propanoic acid; (2S)-2-[4-bromo-2-(1 ,3,4-oxadiazol-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 H-pyrazol-1-yl)phenoxy]propanoic acid;

(2S)-2-[4,5-dichloro-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,3-oxazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-3-yl)phenoxy]-3-cyclopropylpropanoic acid; (2S)-2-[4-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2/?)-2-[4-chloro-2-(1 ,2-oxazol-3-yl)phenoxy]-3-fluoropropanoic acid;

(2S)-2-[4-chloro-2-(4-methyl-1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(5-cyclopropyl-1 ,2-oxazol-3-yl)phenoxy]propanoic acid; (2S)-2-[4-chloro-2-(1 ,2-oxazol-3-yl)phenoxy]-3-methylbutanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-3-yl)phenoxy]butanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-3-cyclopropylpropanoic acid; (2S)-2-[4-chloro-2-(1 ,3-oxazol-2-yl)phenoxy]propanoic acid;

(2/?)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-3-fluoropropanoic acid;

(2S)-2-[4-bromo-2-(2H-1 ,2,3-triazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]-4-fluorobutanoic acid; (2S)-2-[4-bromo-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-4-fluorobutanoic acid;

(2/?)-2-[4-chloro-5-fluoro-2-(1 ,2-oxazol-5-yl)phenoxy]-3-fluoropropanoic acid; (2S)-2-[4-bromo-2-(1 ,3-thiazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-5-fluoro-2-(1 ,3-oxazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]-3-methylbutanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]-3-cyclopropylpropanoic acid; (2/?)-2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]-3-fluoropropanoic acid;

(2S)-2-[4-chloro-5-fluoro-2-(1 ,2-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]butanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-4-yl)phenoxy]propanoic acid;

(2/?)-2-[4-chloro-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]-3-fluoropropanoic acid; (2S)-2-[4-chloro-2-(1 ,3-oxazol-4-yl)phenoxy]propanoic acid;

2-[4-bromo-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]acetic acid;

2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]acetic acid; (2S)-2-[4-bromo-2-(1 ,2-oxazol-5-yl)phenoxy]-2-cyclopropylacetic acid;

(2S)-2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]-2-cyclopropylacetic acid; (2S)-2-[4-bromo-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]-3-cyclopropylpropanoic acid;

2-[4-bromo-2-(4-methyl-1 ,2-oxazol-3-yl)phenoxy]acetic acid;

2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-5-yl)phenoxy]acetic acid;

(2S)-2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-3-cyclobutylpropanoic acid; (2S)-2-[4-bromo-5-fluoro-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]propanoic acid; 2-[4-bromo-2-(1 ,2-oxazol-5-yl)phenoxy]acetic acid;

2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]acetic acid;

(2S)-2-[4-bromo-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]butanoic acid;

{2R)- 2-[4-bromo-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]-3-fluoropropanoic acid; (2S)-2-[4-bromo-2-(1 ,3,4-thiadiazol-2-yl)phenoxy]propanoic acid;

2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]acetic acid;

(2F?)-2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]-3-fluoropropanoic acid; (2S)-2-[4-chloro-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,3-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-3-ethoxypropanoic acid;

2-[4-bromo-2-(1 ,3-oxazol-4-yl)phenoxy]acetic acid; and

(2S)-2-[4-chloro-2-(1 ,2-thiazol-3-yl)phenoxy]propanoic acid.

Methods of treatment

In one aspect, the invention relates to the use of compounds of Formula (I) in treating, ameliorating and/or preventing a neuromuscular disorder. In one aspect, the invention relates to the use of compounds of Formula (I) in reversing and/or ameliorating a neuromuscular blockade. Thus in one aspect, the invention relates to a compound of Formula (I):

Formula (I)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 2 is a 5-6 membered heterocycle or an 8-10 membered bicyclic heterocycle each of which may be optionally substituted with one or more, identical or different, substituents R 6 ;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of Ci -5 alkyl, C 2-5 alkenyl, C 2-5

alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl, C 2-5 alkenyl and C 2-5 alkynyl;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens; - R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl, S-Ci -3 alkyl, CH 2 -0-Ci -3 alkyl and CH 2 -S-C I-3 alkyl;

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade. In one aspect, the invention concerns a compound of Formula (I):

Formula (I)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I; - R 2 is a 5-membered heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 ;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of C 1-5 alkyl, C 2-5 alkenyl, C 2-5

alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl, C 2-5 alkenyl and C 2-5 alkynyl;

- R 6 is independently selected from the group consisting of H, deuterium, tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl,

C 3 _5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl, S-C 1-3 alkyl, CH 2 -0-C 1-3 alkyl and CH 2 -S-C 1-3 alkyl;

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade.

In one embodiment, R 2 is selected from the group consisting of 1 ,2-oxazol-3-yl, 1 ,2- oxazol-4-yl, 1 ,2-oxazol-5-yl, 1 ,3-oxazol-2-yl, 1 ,3-oxazol-4-yl, 1 ,3-oxazol-5-yl, 1 ,2- thiazol-3-yl, 1 ,2-thiazol-4-yl, 1 ,2-thiazol-5-yl, 1 ,3-thiazol-2-yl, 1 ,3-thiazol-4-yl, 1 ,3- thiazol-5-yl, 1 ,2,3-thiadiazol-4-yl, 1 ,2,3-thiadiazol-5-yl, 1 ,2,4-thiadiazol-3-yl, 1 ,2,4- thiadiazol-5-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2,5-thiadiazol-3-yl, 1 ,2,3-oxadiazol-4-yl, 1 ,2,3- oxadiazol-5-yl, 1 ,2,4-oxadiazol-3-yl, 1 ,2,4-oxadiazol-5-yl, 1 ,3,4-oxadiazol-2-yl and 1 ,2,5-oxadiazol-3-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 2 is selected from the group consisting of 1 ,2-oxazol-3-yl, 1 ,2- oxazol-4-yl, 1 ,2-oxazol-5-yl, 1 ,3-oxazol-2-yl, 1 ,3-oxazol-4-yl, 1 ,3-oxazol-5-yl, 1 ,2- thiazol-3-yl, 1 ,2-thiazol-4-yl, 1 ,2-thiazol-5-yl, 1 ,3-thiazol-2-yl, 1 ,3-thiazol-4-yl, 1 ,3- thiazol-5-yl, 1 ,2,3-thiadiazol-4-yl, 1 ,2,3-thiadiazol-5-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,3,4- thiadiazol-5-yl, 1 ,2,3-oxadiazol-4-yl, 1 ,2,3-oxadiazol-5-yl, 1 ,3,4-oxadiazol-2-yl and 1 ,3,4-oxadiazol-5-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In a preferred embodiment, R 2 is selected from the group consisting of 1 ,2,3-thiadiazol- 4-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2-thiazol-3-yl, 1 ,2-oxazol-3-yl, 1 ,2-oxazol-5-yl and 1 ,3- oxazol-4-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one aspect, the invention concerns a compound of Formula (I):

Formula (I)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 2 is a 6-membered heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 ;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of Ci -5 alkyl, C 2-5 alkenyl, C 2-5

alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl, C 2-5 alkenyl and C 2-5 alkynyl;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-CI -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl, S-Ci -3 alkyl, CH 2 -0-Ci -3 alkyl and CH 2 -S-Ci -3 alkyl;

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade.

In one aspect, the invention concerns a compound of Formula (I):

Formula (I)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 2 is an 8-10 membered bicyclic heterocycle which may be optionally

substituted with one or more, identical or different, substituents R 6 ;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej

- R 4 is selected from the group consisting of C 1-5 alkyl, C 2- 5 alkenyl, C 2- 5

alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl, C 2-5 alkenyl and C 2-5 alkynyl;

- R 6 is independently selected from the group consisting of H, deuterium, tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C 2-5 alkenyl, O-C 2-5 alkynyl, O-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C 2-5 alkenyl, O-C 2-5 alkynyl, O-C3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl, S-C 1-3 alkyl, CH 2 -0-C 1-3 alkyl and CH 2 -S-C 1-3 alkyl;

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade.

In one aspect, the invention concerns a compound of Formula (I):

Formula (I)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 2 is a 5-6 membered aromatic heterocycle or an 8-10 membered aromatic bicyclic heterocycle each of which may be optionally substituted with one or more, identical or different, substituents R 6 ; - R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F,

- n is an integer 0, 1 , 2 or 3; or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof, for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade.

In one embodiment, R 2 is a 5-membered aromatic heterocycle, wherein each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 2 is selected from the group consisting of 1 ,2-oxazol-3-yl, 1 ,2- oxazol-4-yl, 1 ,2-oxazol-5-yl, 1 ,3-oxazol-2-yl, 1 ,3-oxazol-4-yl, 1 ,3-oxazol-5-yl, 1 ,2- thiazol-3-yl, 1 ,2-thiazol-4-yl, 1 ,2-thiazol-5-yl, 1 ,3-thiazol-2-yl, 1 ,3-thiazol-4-yl, 1 ,3- thiazol-5-yl, 1 ,2,3-thiadiazol-4-yl, 1 ,2,3-thiadiazol-5-yl, 1 ,2,4-thiadiazol-3-yl, 1 ,2,4- thiadiazol-5-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2,5-thiadiazol-3-yl, 1 ,2,3-oxadiazol-4-yl, 1 ,2,3- oxadiazol-5-yl, 1 ,2,4-oxadiazol-3-yl, 1 ,2,4-oxadiazol-5-yl, 1 ,3,4-oxadiazol-2-yl and 1 ,2,5-oxadiazol-3-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 2 is selected from the group consisting of 1 ,2-oxazol-3-yl, 1 ,2- oxazol-4-yl, 1 ,2-oxazol-5-yl, 1 ,3-oxazol-2-yl, 1 ,3-oxazol-4-yl, 1 ,3-oxazol-5-yl, 1 ,2- thiazol-3-yl, 1 ,2-thiazol-4-yl, 1 ,2-thiazol-5-yl, 1 ,3-thiazol-2-yl, 1 ,3-thiazol-4-yl, 1 ,3- thiazol-5-yl, 1 ,2,3-thiadiazol-4-yl, 1 ,2,3-thiadiazol-5-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,3,4- thiadiazol-5-yl, 1 ,2,3-oxadiazol-4-yl, 1 ,2,3-oxadiazol-5-yl, 1 ,3,4-oxadiazol-2-yl and 1 ,3,4-oxadiazol-5-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In a preferred embodiment, R 2 is selected from the group consisting of 1 ,2,3-thiadiazol- 4-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2-thiazol-3-yl, 1 ,2-oxazol-3-yl, 1 ,2-oxazol-5-yl and 1 ,3- oxazol-4-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 2 is a 5-6 membered aromatic heterocycle or an 8-10 membered aromatic bicyclic heterocycle each of which may be optionally substituted with one or more, identical or different, substituents R 6 . In one embodiment, R 1 is selected from the group consisting of F, Cl, Br and I.

In one embodiment, R 2 is a 5-6 membered aromatic heterocycle or an 8-10 membered aromatic bicyclic heterocycle each of which may be optionally substituted with one or more, identical or different, substituents R 6 and R 1 is selected from the group consisting of F, Cl, Br and I.

In one embodiment, R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 and R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br.

In one embodiment, R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2- 5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br.

In one embodiment, R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2- 5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2 _5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 , R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br, and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 5 is H, R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br.

In one embodiment, R 5 is H, R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 5 is H, R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 , R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br, and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2 -5 alkenyl, C 2- 5 alkynyl, C3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br with the proviso that when R 4 is H then R 2 is selected from the group consisting of 1 ,2,3- thiadiazol-4-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2-thiazol-3-yl, 1 ,2-oxazol-3-yl and 1 ,3-oxazol-4-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2- 5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 with the proviso that when R 4 is H then R 2 is selected from the group consisting of 1 ,2,3-thiadiazol-4-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2- thiazol-3-yl, 1 ,2-oxazol-3-yl and 1 ,3-oxazol-4-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2 _5 alkenyl, C 2-5 alkynyl, C3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 , R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br, and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 with the proviso that when R 4 is H then R 2 is selected from the group consisting of 1 ,2,3-thiadiazol-4-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2- thiazol-3-yl, 1 ,2-oxazol-3-yl and 1 ,3-oxazol-4-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 5 is H, R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br with the proviso that when R 4 is H then R 2 is selected from the group consisting of 1 ,2,3- thiadiazol-4-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2-thiazol-3-yl, 1 ,2-oxazol-3-yl and 1 ,3-oxazol-4-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 5 is H, R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 with the proviso that when R 4 is H then R 2 is selected from the group consisting of 1 ,2,3-thiadiazol-4-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2- thiazol-3-yl, 1 ,2-oxazol-3-yl and 1 ,3-oxazol-4-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 5 is H, R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 , R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br, and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 with the proviso that when R 4 is H then R 2 is selected from the group consisting of 1 ,2,3-thiadiazol-4-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2- thiazol-3-yl, 1 ,2-oxazol-3-yl and 1 ,3-oxazol-4-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 4 is selected from the group consisting of Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 .

In one embodiment, R 4 is selected from the group consisting of Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br.

In one embodiment, R 4 is selected from the group consisting of C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 4 is selected from the group consisting of C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 , R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br, and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 . In one embodiment, R 5 is H, R 4 is selected from the group consisting of Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 .

In one embodiment, R 5 is H, R 4 is selected from the group consisting of C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br.

In one embodiment, R 5 is H, R 4 is selected from the group consisting of C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, R 5 is H, R 4 is selected from the group consisting of Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 , R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br, and R 2 is a 5- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

In one embodiment, the invention relates to a compound of Formula (II):

Formula (II)

wherein: - R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-CI -3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3 _5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-CI -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F,

- m is an integer 0, 1 or 2; and - n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade.

In one embodiment, the invention relates to a compound of Formula (III):

Formula (III)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej

- R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2- 5

alkenyl, C 2- 5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2- 5 alkenyl, C 2- 5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium, tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C 2-5 alkenyl, O-C 2-5 alkynyl, O-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F,

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade. In one embodiment, the invention relates to a compound of Formula (IV):

Formula (IV) wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide; - R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl,

C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F, - m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade.

In one embodiment, the invention relates to a compound of Formula (V):

Formula (V)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej

- R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2- 5

alkenyl, C 2- 5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2- 5 alkenyl, C 2- 5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium, tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C2-5 alkenyl, C2-5 alkynyl, C3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C2-5 alkenyl, O-C2-5 alkynyl, O-C3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3 _5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)-

C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F,

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade.

In one embodiment, the invention relates to a compound of Formula (VI):

Formula (VI)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F; - R 9 is independently selected from the group consisting of deuterium, methoxy, nitro, cyano, Cl, Br, I and F,

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade. In one embodiment, the invention relates to a compound of Formula (VII):

Formula (VII)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I; - R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej

- R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2- 5

alkenyl, C 2- 5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C2-5 alkenyl, C2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ; - R 6 is independently selected from the group consisting of H, deuterium, tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, O-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 -

O-C-i- 3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F; - R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F,

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade.

In one embodiment, the invention relates to a compound of Formula (VIII):

Formula (VIII)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I; - R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)-

C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3 _5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens; - R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C I-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F,

- m is an integer 0, 1 , 2 or 3; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade.

In one embodiment, the invention relates to a compound of Formula (IX):

Formula (IX)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej

- R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2- 5 alkenyl, C 2- 5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F,

- m is an integer 0 or 1 ; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade. In one embodiment, the invention relates to a compound of Formula (X):

Formula (X)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F,

- m is an integer 0, 1 , 2, 3 or 4; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade. In one embodiment, the invention relates to a compound of Formula (XI):

Formula (XI)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanide; - R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F,

- m is an integer 0, 1 , 2 or 3; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade.

In one embodiment, the invention relates to a compound of Formula (XII):

Formula (XII)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN, CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej

- R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2- 5

alkenyl, C2-5 alkynyl, C3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C2-5 alkenyl, C2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2- 5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2- 5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, O-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F,

- m is an integer 0, 1 , 2 or 3; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade. n one embodiment, the invention relates to a compound of Formula (XIII):

Formula (XIII)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I; - R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3 _5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F,

- m is an integer 0, 1 , 2 or 3; and

- n is an integer 0, 1 , 2 or 3; or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade.

In one embodiment, the invention relates to a compound of Formula (XIV):

Formula (XIV)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej

- R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C 2-5 alkenyl, O-C 2-5 alkynyl, O-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CFI 2 -0-C 1.3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2- 5 alkenyl, C 2-5 alkynyl, C3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, O-C3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - O-C-i-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F,

- m is an integer 0, 1 , 2 or 3; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade. n one embodiment, the invention relates to a compound of Formula (XIV):

Formula (XIV)

wherein: - R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F,

- m is an integer 0 or 1 ; and - n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade.

In one embodiment, the invention relates to a compound of Formula (II):

Formula (II)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium, tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F,

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade. In one embodiment, the invention relates to a compound of Formula

Formula (III) wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide; - R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3 _5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl,

C 3 _5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F; - m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade.

In one embodiment, the invention relates to a compound of Formula (XVI):

Formula (XVI)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej

- R 4 is selected from the group consisting of Ci -5 alkyl, C 2-5 alkenyl, C 2-5

alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium, tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2 -5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3 _5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade.

In one embodiment, the invention relates to a compound of Formula (XVII):

Formula (XVII) wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of Ci -5 alkyl, C 2-5 alkenyl, C 2-5

alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0 or 1 ; and - n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade.

In one embodiment, the invention relates to a compound of Formula (XVIII):

Formula (XVIII)

wherein:

- R 1 is selected from the group consisting of F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej

- R 4 is selected from the group consisting of C 1-5 alkyl, C 2- 5 alkenyl, C 2- 5

alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2- 5 alkenyl, C 2- 5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C 2-5 alkenyl, O-C 2-5 alkynyl, O-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, O-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - O-C-i- 3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0 or 1 ; and

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade.

In one embodiment, the invention relates to a compound of Formula (I) for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 2 is a 5-6 membered heterocycle or an 8-10 membered bicyclic heterocycle each of which may be optionally substituted with one or more, identical or different, substituents R 6 ;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of C 1-5 alkyl, C 1-5 alkenyl, C 1-5

alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ; - R 5 is selected from the group consisting of H, Ci -5 alkyl, Ci -5 alkenyl and Ci -5 alkynyl;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, Ci -5 alkenyl, Ci -5 alkynyl, C 3 _5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-Ci -5 alkenyl, 0-Ci -5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- Ci -5 alkenyl, -C(=0)-Ci -5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 1-5 alkenyl, C 1-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 1-5 alkenyl, 0-C 1-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)-

C 1-5 alkenyl, -C(=0)-C 1-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens; and

- R 7 is independently selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl, S-C 1-3 alkyl, CH 2 -0-C 1-3 alkyl and CH 2 -S-C 1-3 alkyl.

In one embodiment, the invention relates to a compound of Formula (II), (III), (IV), (V), (VI), (VII), (VIII), (IX), (X), (XI), (XII), (XIII), (XIV), (XV), (XVI), (XVII) or (XVIII) for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide; - R 4 is selected from the group consisting of Ci -5 alkyl, Ci -5 alkenyl, Ci -5

alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl, C 1-5 alkenyl and C 1-5 alkynyl;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 1-5 alkenyl, C 1-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 1-5 alkenyl, 0-C 1-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 1-5 alkenyl, -C(=0)-C 1-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, Ci -5 alkenyl, Ci -5 alkynyl, C3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-Ci -5 alkenyl, 0-Ci -5 alkynyl, O-C3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- Ci -5 alkenyl, -C(=0)-Ci -5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens; and

- R 7 is independently selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl, S-Ci -3 alkyl, CH 2 -0-Ci -3 alkyl and CH 2 -S-C 1-3 alkyl. In one embodiment, the compound for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a

neuromuscular blockade is selected from the group consisting of:

In a specific embodiment, the compound for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade is selected from the group consisting of:

(2S)-2-[4-bromo-2-(1 ,2-oxazol-5-yl)phenoxy]butanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]butanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-3-methylbutanoic acid; (2S)-2-{4-bromo-2-[3-(propan-2-yl)-1 ,2-oxazol-5-yl]phenoxy}propanoic acid; (2S)-2-[4-bromo-2-(4-methyl-1 ,2-oxazol-3-yl)phenoxy]propanoic acid; (2S)-2-[4-bromo-2-chloro-6-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(pyridin-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(5-methyl-1 ,2-oxazol-3-yl)phenoxy]propanoic acid; (2S)-2-[4-chloro-2-(3-methyl-1 ,2,4-oxadiazol-5-yl)phenoxy]propanoic acid; (2S)-2-[4-bromo-2-(5-cyclopropyl-1 ,2-oxazol-3-yl)phenoxy]propanoic acid; (2S)-2-[2-(1 ,3-benzothiazol-2-yl)-4-bromophenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 ,3-thiazol-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(3-methyl-1 ,2-oxazol-5-yl)phenoxy]propanoic acid; (2S)-2-[4-bromo-2-(1 H-imidazol-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 H-imidazol-4-yl)phenoxy]propanoic acid;

(2R)-2-[4-bromo-2-(1 ,2-oxazol-5-yl)phenoxy]-3-fluoropropanoic acid; (2S)-2-[4-chloro-2-(1 ,3-dimethyl-1 H-pyrazol-4-yl)phenoxy]propanoic acid; (2S)-2-[4-chloro-2-(1 H-pyrazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(thiophen-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]propanoic acid; (2S)-2-[4-chloro-2-(1-methyl-1 H-pyrazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[2-(1 ,3-benzothiazol-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,3,4-oxadiazol-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 H-pyrazol-1-yl)phenoxy]propanoic acid;

(2S)-2-[4,5-dichloro-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,3-oxazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-3-yl)phenoxy]-3-cyclopropylpropanoic acid; (2S)-2-[4-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2/?)-2-[4-chloro-2-(1 ,2-oxazol-3-yl)phenoxy]-3-fluoropropanoic acid;

(2S)-2-[4-chloro-2-(4-methyl-1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(5-cyclopropyl-1 ,2-oxazol-3-yl)phenoxy]propanoic acid; (2S)-2-[4-chloro-2-(1 ,2-oxazol-3-yl)phenoxy]-3-methylbutanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-3-yl)phenoxy]butanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-3-cyclopropylpropanoic acid; (2S)-2-[4-chloro-2-(1 ,3-oxazol-2-yl)phenoxy]propanoic acid;

(2/?)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-3-fluoropropanoic acid;

(2S)-2-[4-bromo-2-(2H-1 ,2,3-triazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]-4-fluorobutanoic acid; (2S)-2-[4-bromo-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-4-fluorobutanoic acid;

(2/?)-2-[4-chloro-5-fluoro-2-(1 ,2-oxazol-5-yl)phenoxy]-3-fluoropropanoic acid; (2S)-2-[4-bromo-2-(1 ,3-thiazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-5-fluoro-2-(1 ,3-oxazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]-3-methylbutanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]-3-cyclopropylpropanoic acid; (2/?)-2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]-3-fluoropropanoic acid;

(2S)-2-[4-chloro-5-fluoro-2-(1 ,2-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]butanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-4-yl)phenoxy]propanoic acid;

(2/?)-2-[4-chloro-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]-3-fluoropropanoic acid; (2S)-2-[4-chloro-2-(1 ,3-oxazol-4-yl)phenoxy]propanoic acid; 2-[4-bromo-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]acetic acid;

2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]acetic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-5-yl)phenoxy]-2-cyclopropylacetic acid;

(2S)-2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]-2-cyclopropylacetic acid; (2S)-2-[4-bromo-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]-3-cyclopropylpropanoic acid;

2-[4-bromo-2-(4-methyl-1 ,2-oxazol-3-yl)phenoxy]acetic acid;

2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-5-yl)phenoxy]acetic acid;

(2S)-2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-3-cyclobutylpropanoic acid; (2S)-2-[4-bromo-5-fluoro-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]propanoic acid; 2-[4-bromo-2-(1 ,2-oxazol-5-yl)phenoxy]acetic acid;

2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]acetic acid;

(2S)-2-[4-bromo-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]butanoic acid;

{2R)- 2-[4-bromo-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]-3-fluoropropanoic acid; (2S)-2-[4-bromo-2-(1 ,3,4-thiadiazol-2-yl)phenoxy]propanoic acid;

2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]acetic acid;

(2/?)-2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]-3-fluoropropanoic acid; (2S)-2-[4-chloro-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,3-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-3-ethoxypropanoic acid;

2-[4-bromo-2-(1 ,3-oxazol-4-yl)phenoxy]acetic acid; and

(2S)-2-[4-chloro-2-(1 ,2-thiazol-3-yl)phenoxy]propanoic acid.

In one embodiment, the compound or the compound for use according to the present invention has been modified in order to increase its half-life when administered to a patient, in particular its plasma half-life.

In one embodiment, the compound or the compound for use according to the present invention further comprises a moiety conjugated to said compound, thus generating a moiety-conjugated compound. In one embodiment, said moiety-conjugated compound has a plasma and/or serum half-life being longer than the plasma and/or serum half-life of the non-moiety conjugated compound. In one embodiment, the moiety conjugated to the compound or compound for use according to the present invention, is one or more type(s) of moieties selected from the group consisting of albumin, fatty acids, polyethylene glycol (PEG), acylation groups, antibodies and antibody fragments.

Neuromuscular disorders

The compound or compound for use of the present invention is used for treating, ameliorating and/or preventing a neuromuscular disorder, or reversing neuromuscular blockade caused by non-depolarizing neuromuscular blocker or antibiotic agent.

The inventors of the present invention have shown that inhibition of CIC-1 channels strengthens neuromuscular transmission. CIC-1 function may therefore contribute to muscle weakness in conditions of compromised neuromuscular transmission.

Thus, in one embodiment of the present invention, the compound or the compound for use as described herein inhibits CIC-1 channels. Thus, it is appreciated that compounds and/or compounds for use of Formula (I) inhibit CIC-1 channels.

The neuromuscular disorder may also include neuromuscular dysfunctions.

Neuromuscular disorders include for example disorders with symptoms of muscle weakness and fatigue. Such disorders may include conditions with reduced neuromuscular transmission safety factor. In one embodiment the neuromuscular disorders are motor neuron disorders. Motor neuron disorders are disorders with reduced safety in the neuromuscular transmission. In one embodiment motor neuron disorders are selected from the group consisting of amyotrophic lateral sclerosis (ALS) (Killian JM, Wilfong AA, Burnett L, Appel SH, Boland D. Decremental motor responses to repetitive nerve stimulation in ALS. Muscle Nerve, 1994, 77, 747-754), spinal muscular atrophy (SMA) (Wadman Rl, Vrancken AF, van den Berg LH, van der Pol WL. Dysfunction of the neuromuscular junction in spinal muscular atrophy types 2 and 3. Neurology, 2012 , 79, 2050-2055), Charcot-Marie Tooth disease (Bansagi B, Griffin H, Whittaker RG, Antoniadi T, Evangelista T, Miller J, Greenslade M, Forester N, Duff J, Bradshaw A, Kleinle S, Boczonadi V, Steele H, Ramesh V, Franko E, Pyle A, Lochmijller H, Chinnery PF, Horvath R. Genetic heterogeneity of motor neuropathies. Neurology, 2017, 28;88(13): 1226-1234), X-linked spinal and bulbar muscular atrophy (Yamada, M., Inaba, A., Shiojiri, T. X-linked spinal and bulbar muscular atrophy with myasthenic symptoms. Journal of the Neurological Sciences, 1997, 146, 183-185), Kennedy ' s disorder (Stevie, Z., Peric, S., Pavlovic, S., Basta, I., Lavrnic, D.,

Myasthenic symptoms in a patient with Kennedy's disorder. Acta Neurologica Belgica, 2014, 114, 71-73), multifocal motor neuropathy (Roberts, M., Willison, H.J., Vincent, A., Newsom-Davis, J. Multifocal motor neuropathy human sera block distal motor nerve conduction in mice. Ann Neurol. 1995, 38, 11 1-118), Guillain-Barre syndrome (Ansar, V., Valadi, N. Guillain-Barre Syndrome Prim. Care, 2015, 42, 189-193; poliomyelitis (Trojan, D.A., Gendron, D., Cashman, N.R. Electrophysiology and electrodiagnosis of the post-polio motor unit. Orthopedics, 1991 , 14, 1353-1361 , and Birk T.J. Poliomyelitis and the post-polio syndrome: exercise capacities and adaptation - current research, future directions, and widespread applicability. Med. Sci. Sports Exerc., 1993, 25, 466- 472), post-polio syndrome (Garcia, C.C., Potian, J.G., Hognason, K., Thyagarajan, B., Sultatos, L.G., Souayah, N., Routh, V.H., McArdle, J.J. Acetylcholinesterase deficiency contributes to neuromuscular junction dysfunction in type 1 diabetic neuropathy. Am. J. Physiol. Endocrinol. Metab., 2012, 15, E551 - 561 ) and sarcopenia (Gilmore K.J.,

Morat T., Doherty T.J., Rice C.L., Motor unit number estimation and neuromuscular fidelity in 3 stages of sarcopenia. 2017 55(5):676-684).

Thus, in one preferred embodiment of the present invention the neuromuscular disorder is amyotrophic lateral sclerosis (ALS). In another preferred embodiment the neuromuscular disorder is spinal muscular atrophy (SMA). In another preferred embodiment the neuromuscular disorder is Charcot-Marie tooth disease (CMT). In another preferred embodiment the neuromuscular disorder is sarcopenia. In yet another preferred embodiment, the neuromuscular disorder is critical illness myopathy (CIM).

As stated above the neuromuscular disorders include for example disorders with symptoms of muscle weakness and fatigue. Such disorder may for example include diabetes (Burton, A. Take your pyridostigmine: that's an (ethical?) order! Lancet Neurol., 2003, 2, 268).

In one embodiment the compound or the compound for use of the present invention is used to prevent neuromuscular disorder. The compound or the compound for use may for example be used prophylactically against nerve gas that is known to cause symptoms of muscle weakness and fatigue (Kawamura, Y., Kihara, M., Nishimoto, K., Taki, M. Efficacy of a half dose of oral pyridostigmine in the treatment of chronic fatigue syndrome: three case reports. Pathophysiology, 2003, 9, 189-194.

In another embodiment the neuromuscular disorders is chronic fatigue syndrome. Chronic fatigue syndrome (CFS) (Fletcher, S.N., Kennedy, D.D., Ghosh, I.R., Misra, V.P., Kiff, K., Coakley, J.H., Hinds, C.J. Persistent neuromuscular and

neurophysiologic abnormalities in long-term survivors of prolonged critical illness. Crit. Care Med. 2003, 31, 1012 - 1016) is the common name for a medical condition characterized by debilitating symptoms, including fatigue that lasts for a minimum of six months in adults. CFS may also be referred to as systemic exertion intolerance disorder (SEID), myalgic encephalomyelitis (ME), post-viral fatigue syndrome (PVFS), chronic fatigue immune dysfunction syndrome (CFIDS), or by several other terms. Symptoms of CFS include malaise after exertion; unrefreshing sleep, widespread muscle and joint pain, physical exhaustion, and muscle weakness.

In a further embodiment the neuromuscular disorder is a critical illness polyneuropathy (Angelini C. Spectrum of metabolic myopathies. Biochim. Biophys. Acta., 2015, 1852, 615 - 621 ) or CIM (Latronico, N., Bolton, C.F. Critical illness polyneuropathy and myopathy: a major cause of muscle weakness and paralysis. Lancet Neurol. 2011 , 10, 931-941 ). Critical illness polyneuropathy and CIM are overlapping syndromes of widespread muscle weakness and neurological dysfunction developing in critically ill patients.

The neuromuscular disorder may also include metabolic myopathy (Milone, M., Wong, L.J. Diagnosis of mitochondrial myopathies. Mol. Genet. Metab., 2013, 1 10, 35 - 41 ) and mitochondrial myopathy (Srivastava, A., Hunter, J.M. Reversal of neuromuscular block. Br. J. Anaesth. 2009, 103, 1 15 - 129). Metabolic myopathies result from defects in biochemical metabolism that primarily affects muscle. These may include glycogen storage disorders, lipid storage disorder and 3-phosphocreatine stores disorder.

Mitochondrial myopathy is a type of myopathy associated with mitochondrial disorder. Symptoms of mitochondrial myopathies include muscular and neurological problems such as muscle weakness, exercise intolerance, hearing loss and trouble with balance and coordination. In another embodiment the neuromuscular disorder is periodic paralysis, in particular hypokalemic periodic paralysis which is a disorder of skeletal muscle excitability that presents with recurrent episodes of weakness, often triggered by exercise, stress, or carbohydrate-rich meals (Wu, F., Mi, W., Cannon, S.C., Neurology, 2013, 80, 1 1 I Q- 11 16 and Suetterlin, K. et at, Current Opinion Neurology, 2014, 27, 583-590) or hyperkalemic periodic paralysis which is an inherited autosomal dominant disorder that affects sodium channels in muscle cells and the ability to regulate potassium levels in the blood (Ammat, T. et at, Journal of General Physiology, 2015, 146, 509-525).

In a preferred embodiment the neuromuscular disorder is a myasthenic condition. Myasthenic conditions are characterized by muscle weakness and neuromuscular transmission failure. Congenital myasthenia gravis (Finlayson, S., Beeson, D., Palace, J. Congenital myasthenic syndromes: an update. Pract. Neurol., 2013, 13, 80 - 91 ) is an inherited neuromuscular disorder caused by defects of several types at the neuromuscular junction.

Myasthenia gravis and Lambert-Eaton syndrome (Titulaer MJ, Lang B, Verschuuren JJ. Lambert-Eaton myasthenic syndrome: from clinical characteristics to therapeutic strategies. Lancet Neurol. 2011 , 10, 1098-107) are examples of myasthenic conditions. Myasthenia gravis is either an autoimmune or congenital neuromuscular disorder that leads to fluctuating muscle weakness and fatigue. In the most common cases, muscle weakness is caused by circulating antibodies that block ACh receptors at the postsynaptic neuromuscular junction, inhibiting the excitatory effects of the

neurotransmitter ACh on nicotinic ACh-receptors at neuromuscular junctions (Gilhus, N.E., Owe, J.F., Hoff, J.M., Romi, F., Skeie, G.O., Aarli, J.A. Myasthenia Gravis: A Review of Available Treatment Approaches, Autoimmune Diseases, 2011 , Article ID 84739). Lambert-Eaton myasthenic syndrome (also known as LEMS, Lambert-Eaton syndrome, or Eaton-Lambert syndrome) is a rare autoimmune disorder that is characterized by muscle weakness of the limbs. It is the result of an autoimmune reaction in which antibodies are formed against presynaptic voltage-gated calcium channels, and likely other nerve terminal proteins, in the neuromuscular junction. Thus, in one embodiment of the present invention the neuromuscular disorder is myasthenia gravis. In another preferred embodiment the neuromuscular disorder is Lambert-Eaton syndrome.

Neuromuscular blockade is used in connection with surgery under general

anaesthesia. Reversing agents are used for more rapid and safer recovery of muscle function after such blockade. Complications with excessive muscle weakness after blockade during surgery can result in delayed weaning from mechanical ventilation and respiratory complications after the surgery. Since such complications have pronounced effects on outcome of the surgery and future quality of life of patients, there is a need for improved reversing agents (Murphy GS, Brull SJ. Residual neuromuscular block: lessons unlearned. Part I: definitions, incidence, and adverse physiologic effects of residual neuromuscular block. Anesth Analg. 2010 11 1 (1 ): 120-8). Thus, in one embodiment, the neuromuscular disorder has been induced by a neuromuscular blocking agent. In one particular embodiment the neuromuscular disorder is muscle weakness caused by neuromuscular blockade after surgery. In another preferred embodiment of the present invention the compound or the compound for use is used for reversing and/or ameliorating neuromuscular blockade after surgery. In one embodiment, the neuromuscular blockade is drug induced. In one embodiment the neuromuscular blockade is induced by an antibiotic. In one embodiment the

neuromuscular blockade is induced by a non-depolarizing neuromuscular blocker.

Pharmaceutical formulations

In one embodiment, a composition comprising the compound or the compound for use, according to the present invention, is provided. The composition according to the present invention is used for treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade. Thus, it is preferred that the compositions and compounds described herein are pharmaceutically acceptable. In one embodiment the composition as described herein is in the form of a pharmaceutical formulation. In one embodiment, the composition as described herein further comprises a pharmaceutically acceptable carrier. Combination therapy

The composition of the present invention may comprise further active

ingredients/agents or other components to increase the efficiency of the composition. Thus, in one embodiment the composition further comprises at least one further active agent. It is appreciated that the active agent is suitable for treating, preventing or ameliorating said neuromuscular disorder.

The active agent is in a preferred embodiment an acetylcholine esterase inhibitor. Said acetylcholine esterase inhibitor may for example be selected from the group consisting of delta-9-tetrahydrocannabinol, carbamates, physostigmine, neostigmine,

pyridostigmine, ambenonium, demecarium, rivastigmine, phenanthrene derivatives, galantamine, piperidines, donepezil, tacrine, edrophonium, huperzine, ladostigil, ungeremine and lactucopicrin.

Preferably the acetylcholine esterase inhibitor is selected from the group consisting of neostigmine, physostigmine and pyridostigmine. It is preferred that the acetylcholine esterase inhibitor is neostigmine or pyridostigmine.

The active agent may also be an immunosuppressive drug. Immunosuppressive drugs are drugs that suppress or reduce the strength of the body’s immune system. They are also known as anti-rejection drugs. Immunosuppressive drugs include but are not limited to glucocorticoids, corticosteroids, cytostatics, antibodies and drugs acting on immunophilins. In one embodiment the active agent is prednisone.

The active agent may also be an agent that is used in anti-myotonic treatment. Such agents include for example blockers of voltage gated Na + channels, and

aminoglycosides.

The active agent may also be an agent for reversing a neuromuscular blockade after surgery. Such agents include for example neostigmine or sugammadex (Org 25969, tradename Bridion). The active agent may also be an agent for increasing the Ca 2+ sensitivity of the contractile filaments in muscle. Such agents include tirasemtiv and CK-2127107 (Hwee, D.T., Kennedy, A.R., Hartman, J.J., Ryans, J., Durham, N., Malik, F.I., Jasper, J.R. The small-molecule fast skeletal troponin activator, CK-2127107, improves exercise tolerance in a rat model of heart failure. Journal of Pharmacology and Experimental Therapeutics, 2015, 353, 159 - 168).

The active agent may also be an agent for increasing ACh release by blocking voltage- gated K + channels in the pre-synaptic terminal. Such agent includes 3,4-aminopyridine.

Methods

In one aspect, the present invention relates to a method of treating, preventing and/or ameliorating a neuromuscular disorder, said method comprising administering a therapeutically effective amount of the compound or the compound for use as defined herein to a person in need thereof.

In one aspect, the present invention relates to a method of reversing and/or ameliorating a neuromuscular blockade, said method comprising administering a therapeutically effective amount of the compound or the compound for use as defined herein to a person in need thereof.

In one aspect, the present invention relates to a method for recovery of neuromuscular transmission, said method comprising administering a therapeutically effective amount of the compound or the compound for use as defined herein to a person in need thereof.

The person in need thereof may be a person having a neuromuscular disorder or a person at risk of developing a neuromuscular disorder or a person having symptoms of muscle weakness and/or fatigue. In another embodiment the person in need thereof is a person with reduced neuromuscular transmission safety with prolonged recovery after neuromuscular blockade. Types of neuromuscular disorders are defined herein above. In a preferred embodiment the person has, amyotrophic lateral sclerosis, spinal muscular atrophy, myasthenia gravis or Lambert-Eaton syndrome.

A therapeutically effective amount is an amount that produces a therapeutic response or desired effect in the person taking it. Administration routes, formulations and dosages can be optimized by persons of skill in the art. The method of treatment may be combined with other methods that are known to treat, prevent and/or ameliorate neuromuscular disorders. The treatment method may for example be combined with administration of any of the agents mentioned herein above. In one embodiment the treatment is combined with administration of acetylcholine esterase inhibitor such as for example neostigmine or pyridostigmine.

Another aspect of the invention relates to use of a compound as defined herein, for the manufacture of a medicament for the treatment, prevention and/or amelioration of a neuromuscular disorder.

Another aspect relates to use of a compound as defined herein, for the manufacture of a medicament or a reversal agent for reversing and/or ameliorating a neuromuscular blockade after surgery. Method of manufacturing

In one aspect, the present invention relates to methods of manufacturing compounds or compounds for use according to formula (I).

One method for manufacturing the compounds or compounds for use according to the present invention comprises the steps of

reacting a compound having formula (M.IX)

wherein R 4 is as defined herein and R 11 is a protecting group, such as

selected from the group consisting of alkyl, alkenyl, akynyl, cycloalkyl, cycloalkenyl, aromatic ring, heteroaromatic ring and -alkylene-Si-alkyl, with first a reagent capable of converting the alcohol (OH) into a leaving group and secondly with a compound having formula (M.X)

wherein R 1 , R 2 , R 3 and n are as defined herein and Y is O to generate a

compound having formula (M.XI)

reacting the product compound of a) with an ester hydrolysing reagent thus generating a compound as defined herein.

A second method for manufacturing the compounds or compounds for use according to the present invention comprises the steps of

reacting a compound having formula (M.XII)

(M.XII)

wherein R 1 , R 2 , R 3 and n are as defined herein and Q is a leaving group, such as selected from the group consisting of fluorine and iodine, with a compound having formula (M.IX)

H V R 4 V 1 1

(M.IX) wherein R 4 is as defined herein, and R 11 a protecting group, such as selected from the group consisting of alkyl, alkenyl, akynyl, cycloalkyl, cycloalkenyl, aromatic ring, heteroaromatic ring and -alkylene-Si-alkyl wherein Y is O to generate a compound having formula (M.XI)

wherein Y is O; and

b. reacting the product compound of a) with an ester hydrolysing reagent thus generating a compound as defined herein. Yet a third method for manufacturing the compounds or compounds for use according to the present invention comprises the steps of

reacting a compound having formula (M.XIII)

(M.XIII)

wherein R 4 is as defined herein, Z is OH and R 12 is a protecting group, such as an -Si-alkyl, with first a reagent capable of converting the alcohol (Z) into a leaving group and secondly with a compound having formula (M.X)

wherein R 1 , R 2 , R 3 and n are as defined herein, and Y is O to generate a

compound having formula (M.XIV)

(M.XIV)

reacting the product compound of a) with an ether cleaving reagent to

generate a compound having formula (M.XV)

(M.XV) . an(J

reacting the product compound of b) with an oxidising agent thus generating a compound as defined herein.

Items

1. A compound of Formula (I):

Formula (I)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 2 is a 5-6 membered heterocycle or an 8-10 membered bicyclic heterocycle each of which may be optionally substituted with one or more, identical or different, substituents R 6 ;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C2- 5 alkenyl, C2- 5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C2- 5 alkenyl, O-C2- 5 alkynyl, O-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 -

O-C-i-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F; - R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof. 2. The compound according to item 1 , wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 2 is a 5-6 membered aromatic heterocycle or an 8-10 membered aromatic bicyclic heterocycle each of which may be optionally substituted with one or more, identical or different, substituents R 6 ;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanidej

- R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2- 5

alkenyl, C 2- 5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2- 5 alkenyl, C 2- 5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2- 5 alkenyl, C 2- 5 alkynyl, C3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, O-C3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - O-C-i-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof. he compound according to item 1 , wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 2 is a 5-6 membered heterocycle or an 8-10 membered bicyclic heterocycle each of which may be optionally substituted with one or more, identical or different, substituents R 6 ;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanide; - R 4 is selected from the group consisting of Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl, C 2-5 alkenyl and C 2-5 alkynyl;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl, S-Ci -3 alkyl, CH 2 -0-Ci -3 alkyl and CH 2 -S-C I-3 alkyl;

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof, with the proviso that when R 2 is 3-thienyl, R 1 is H, n=0 and R 5 is CH 3 then R 4 is not CH 3 . he compound according to any one of the preceding items, wherein:

- R 1 is selected from the group consisting of F, Cl, Br and I;

- R 2 is a 5-6 membered aromatic heterocycle or an 8-10 membered aromatic bicyclic heterocycle each of which may be optionally substituted with one or more, identical or different, substituents R 6 ;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN, CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ; - R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2- 5 alkenyl, C 2- 5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof. he compound according to any one of the preceding items, wherein:

- R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br;

- R 2 is a 5 membered aromatic heterocycle which may be optionally

substituted with one or more, identical or different, substituents R 6 ;

- R 3 is selected from the group consisting of deuterium, F, Cl, Br and I; - R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium, F, Cl,

Br and I;

- R 7 is independently selected from the group consisting of deuterium, F, O-C-i.

3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof. he compound according to any one of the preceding items, wherein:

- R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br;

- R 2 is selected from the group consisting of 1 ,2,3-thiadiazol-4-yl, 1 ,3,4- thiadiazol-2-yl, 1 ,2-thiazol-3-yl, 1 ,2-oxazol-3-yl, 1 ,2-oxazol-5-yl and 1 ,3- oxazol-4-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 ;

- R 3 is selected from the group consisting of deuterium, F, Cl, Br and I;

- R 4 is selected from the group consisting of C 1-5 alkyl and C 3-5 cycloalkyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium, F, Cl, Br, I, Ci -5 alkyl and C3-5 cycloalkyl;

- R 7 is independently selected from the group consisting of deuterium, F, O-C-i.

3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- n is an integer 0, 1 , 2 or 3;

or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof. he compound according any one of the preceding items, wherein:

- R 1 is selected from the group consisting of F, Cl, Br and I, preferably Cl or Br;

- R 2 is selected from the group consisting of 1 ,2,3-thiadiazol-4-yl, 1 ,3,4- thiadiazol-2-yl, 1 ,2-thiazol-3-yl, 1 ,2-oxazol-3-yl, 1 ,2-oxazol-5-yl and 1 ,3- oxazol-4-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 ;

- R 3 is selected from the group consisting of deuterium, F, Cl, Br and I;

- R 4 is H or deuterium;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C2-5 alkenyl, C2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium, F, Cl,

Br, I, C 1-5 alkyl and C 3-5 cycloalkyl;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- n is an integer 0, 1 , 2 or 3; or a pharmaceutically acceptable salt, hydrate, polymorph, tautomer, or solvate thereof.

8. The compound according to any one of the preceding items, wherein R 2 is a 5- membered heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

9. The compound according to any one of the preceding items, wherein R 2 is a 5 membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

10. The compound according to any one of the preceding items, wherein R 2 is a 6- membered heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

11. The compound according to any one of the preceding items, wherein R 2 is a 6- membered aromatic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 . 12. The compound according to any one of the preceding items, wherein R 2 is an 8- membered bicyclic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

13. The compound according to any one of the preceding items, wherein R 2 is a 9- membered bicyclic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

14. The compound according to any one of the preceding items, wherein R 2 is a 10- membered bicyclic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

15. The compound according to any one of the preceding items, wherein R 2 is an 8- 10 membered aromatic bicyclic heterocycle which may be optionally substituted with one or more, identical or different, substituents R 6 .

16. The compound according to any one of the preceding items, wherein R 2 is

selected from the group consisting of furan, thiophene, pyrrole, imidazole, pyrazole, oxazole, thiazole, isoxazole, isothiazole, 1 ,2,3-triazole, 1 ,2,4-triazole, 1 ,2,5-oxadiazole, 1 ,2,3-oxadiazole, 1 ,2,4-oxadiazole, 1 ,3,4-oxadiazole, 1 ,2,5- thiadiazole, 1 ,2,3-thiadiazole, 1 ,2,4-thiadiazole, 1 ,3,4-thiadiazole, dihydrofuran, dihydrothiophene, 3-pyrroline, 2-pyrroline, 2-imidazoline, 2-pyrazolidine, dihydro- oxazole, dihydro-thiazole, dihydro-isoxazole, dihydro-isothiazole, dihydro-1 ,2,3- triazole, dihydro-1 ,2,4-triazole, dihydro-1 ,2, 5-oxadiazole, dihydro-1 ,2,3- oxadiazole, dihydro-1 ,3,4-oxadiazole, dihydro-1 ,2,5-thiadiazole, dihydro-1 ,2,3- thiadiazole, dihydro-1 , 3, 4-thiadiazole, tetrahydrofuran, tetrahydrothiophene, pyrrolidine, imidazolidine, pyrazolidine, oxazolidine, thiazolidine, isoxazolidine, isothiazolidine, 1 ,2,3-triazolidine, 1 ,2,4-triazolidine, 1 ,2,5-oxadiazolidine, 1 ,2,3- oxadiazolidine, 1 ,3,4-oxadiazolidine, 1 ,2,5-thiadiazolidine, 1 ,2,3-thiadiazolidine, 1 ,3,4-thiadiazolidine, 1 ,2-oxathiolane, 1 ,3-oxathiolane, 2-oxazolidinone and 2- pyrrolidinone.

17. The compound according to any one of the preceding items, wherein R 2 is

selected from the group consisting of furan, thiophene, pyrrole, imidazole, pyrazole, oxazole, thiazole, isoxazole, isothiazole, 1 ,2,3-triazole, 1 ,2,4-triazole,

1 ,2, 5-oxadiazole, 1 ,2,3-oxadiazole, 1 ,2,4-oxadiazole, 1 ,3,4-oxadiazole, 1 ,2,5- thiadiazole, 1 ,2,3-thiadiazole, 1 ,2,4-thiadiazole and 1 ,3, 4-thiadiazole.

18. The compound according to any one of the preceding items, wherein R 2 is

selected from the group consisting of thiophene, pyrrole, isoxazole, 1 ,2,4- oxadiazole and 1 ,3,4-oxadiazole.

19. The compound according to any one of the preceding items, wherein R 2 is

selected from the group consisting of isoxazol-5-yl and isoxazol-3-yl.

20. The compound according to any one of the preceding items, wherein R 2 is

selected from the group consisting of pyridine, pyrazine, pyrimidine, pyridazine, tetrahyd ropy ran, thiane, piperidine, 1 , 4-dioxane, morpholine, 1 ,4-oxathiane, 1 ,4- diathiane and piperazine, wherein each of which may be optionally substituted with one or more, identical or different, substituents R .

21 . The compound according to any one of the preceding items, wherein R 2 is

selected from the group consisting of tetrahydro-4/-/-cyclopent[d]isoxazole, hexahydro-1 /-/-pyrrolizine, 1 ,4-dihydropyrrolo[3,2-b]pyrrole, 1 ,6- dihydropyrrolo[2,3-b]pyrrole, 6/-/-furo[2,3-b]pyrrole, 4/-/-furo[3,2-b]pyrrole, 6 H- thieno[2,3-b]pyrrole and 4/-/-thieno[3,2-b]pyrrole, wherein each of which may be optionally substituted with one or more, identical or different, substituents R 6 . The compound according any one of the preceding items, wherein R 2 is selected from the group consisting of benzofuran, benzothiophene, indole, benzimidazole, indazole, benzothiazole, benzoxazole, 1 ,2-benzisoxazole, 1 ,2-benzisothiazole, benzotriazole, pyrrolopyridine, pyrazolopyridine and imidazopyridine, wherein each of which may be optionally substituted with one or more, identical or different, substituents R 6 . The compound according to any one of the preceding items, wherein R 2 is selected from the group consisting of quinoline, isoquinoline, cinnoline, quinazoline, quinoxaline, phthalazine and naphthyridine, wherein each of which may be optionally substituted with one or more, identical or different, substituents

R 6 .

The compound according to any one of the preceding items, wherein R 2 is selected from the group consisting of isoxazole, oxazole oxadiazole,

benzothiazole, thiazole, imidazole, tetrahydrofuran, triazole, pyrazole, thiophene, wherein each of which may be optionally substituted with one or more, identical or different, substituents R 6 . The compound according to any one of the preceding items, wherein R 2 is selected from the group consisting of 1 ,2-oxazol-3-yl, 1 ,2-oxazol-4-yl, 1 ,2-oxazol- 5-yl, 1 ,3-oxazol-2-yl, 1 ,3-oxazol-4-yl, 1 ,3-oxazol-5-yl, 1 ,2-thiazol-3-yl, 1 ,2-thiazol- 4-yl, 1 ,2-thiazol-5-yl, 1 ,3-thiazol-2-yl, 1 ,3-thiazol-4-yl, 1 ,3-thiazol-5-yl, 1 ,2,3- thiadiazol-4-yl, 1 ,2,3-thiadiazol-5-yl, 1 ,2,4-thiadiazol-3-yl, 1 ,2,4-thiadiazol-5-yl,

1 ,3,4-thiadiazol-2-yl, 1 ,2,5-thiadiazol-3-yl, 1 ,2,3-oxadiazol-4-yl, 1 ,2,3-oxadiazol-5- yl, 1 ,2,4-oxadiazol-3-yl, 1 ,2,4-oxadiazol-5-yl, 1 ,3,4-oxadiazol-2-yl and 1 ,2,5- oxadiazol-3-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

The compound according to any one of the preceding items, wherein R 2 is selected from the group consisting of 1 ,2,3-thiadiazol-4-yl, 1 ,3,4-thiadiazol-2-yl, 1 ,2-thiazol-3-yl, 1 ,2-oxazol-3-yl, 1 ,2-oxazol-5-yl and 1 ,3-oxazol-4-yl each of which may be optionally substituted with one or more, identical or different, substituents R 6 .

The compound according to any one of the preceding items, wherein the compound is of Formula (II):

Formula (II)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I, preferably Cl or Br;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2- 5

alkenyl, C 2- 5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2- 5 alkenyl, C 2- 5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C2-5 alkenyl, C2-5 alkynyl, C3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C2-5 alkenyl, O-C2-5 alkynyl, O-C3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-CI -3 alkyl, and wherein Ci -5 alkyl, C2-5 alkenyl, C2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3. 28. The compound according to any one of the preceding items, wherein the

compound is of Formula (III):

Formula (III)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I, preferably Cl or Br;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2- 5 alkenyl, C 2- 5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3. The compound according to any one of the preceding items, wherein the compound is of Formula (IV):

Formula (IV)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I, preferably Cl or Br;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of FI, deuterium, C 1-5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of FI, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of FI, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C 2-5 alkenyl, O-C 2-5 alkynyl, O-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CFI 2 -0-C 1.3 alkyl and -CFI 2 -S-C 1.3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CFl 2 -0-C 1-3 alkyl and -CH 2 -S-CI -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3. 30. The compound according to any one of the preceding items, wherein the

compound is of Formula (V):

Formula (V)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I, preferably Cl or Br;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3. The compound according to any one of the preceding items, wherein the compound is of Formula (VI):

Formula (VI)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I, preferably Cl or Br;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3 _5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3 _5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3. 32. The compound according to any one of the preceding items, wherein the

compound is of Formula (VII):

Formula (VII)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I, preferably Cl or Br;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3. The compound according to any one of the preceding items, wherein the compound is of Formula (VIII):

Formula (VIII)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I, preferably Cl or Br;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 , 2 or 3; and

- n is an integer 0, 1 , 2 or 3. 34. The compound according to any one of the preceding items, wherein the

compound is of Formula (IX):

Formula (IX)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I, preferably Cl or Br;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2- 5 alkenyl, C 2- 5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0 or 1 ; and

- n is an integer 0, 1 , 2 or 3. The compound according to any one of the preceding items, wherein the compound is of Formula (X):

Formula (X)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I, preferably Cl or Br;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 , 2, 3 or 4; and

- n is an integer 0, 1 , 2 or 3. 36. The compound according to any one of the preceding items, wherein the

compound is of Formula (XI):

Formula (XI)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I, preferably Cl or Br;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 , 2 or 3; and

- n is an integer 0, 1 , 2 or 3. The compound according to any one of the preceding items, wherein the compound is of Formula (XII):

Formula (XII)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I, preferably Cl or Br;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2- 5

alkenyl, C 2- 5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2- 5 alkenyl, C 2- 5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C2-5 alkenyl, C2-5 alkynyl, C3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C2-5 alkenyl, O-C2-5 alkynyl, O-C3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C2-5 alkenyl, C2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - O-C-i- 3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 , 2 or 3; and

- n is an integer 0, 1 , 2 or 3. 38. The compound according to any one of the preceding items, wherein the

compound is of Formula (XIII):

Formula (XIII)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I, preferably Cl or Br;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2- 5 alkenyl, C 2- 5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 , 2 or 3; and

- n is an integer 0, 1 , 2 or 3. The compound according to any one of the preceding items, wherein the compound is of Formula (XIV):

Formula (XIV)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I, preferably Cl or Br;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CFiF 2 , CHCI 2 , CFi 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of FI, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of FI, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of FI, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C 2-5 alkenyl, O-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CFl 2 -0-Ci -3 alkyl and -CFl 2 -S-Ci -3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C 2-5 alkenyl, O-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CFl 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 , 2 or 3; and

- n is an integer 0, 1 , 2 or 3. 40. The compound according to any one of the preceding items, wherein the

compound is of Formula (XV):

Formula (XV)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I, preferably Cl or Br;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0 or 1 ; and

- n is an integer 0, 1 , 2 or 3. The compound according to any one of the preceding items, wherein the compound is of Formula (XVI):

Formula (XVI)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I, preferably Cl or Br;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2- 5

alkenyl, C 2- 5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, C 1-5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2- 5 alkenyl, C 2- 5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C2-5 alkenyl, C2-5 alkynyl, C3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, O-C2-5 alkenyl, O-C2-5 alkynyl, O-C3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-CI -3 alkyl, and wherein Ci -5 alkyl, C2-5 alkenyl, C2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0, 1 or 2; and

- n is an integer 0, 1 , 2 or 3. 42. The compound according to any one of the preceding items, wherein the

compound is of Formula (XVII):

Formula (XVII)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I, preferably Cl or Br;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, C 1-5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2- 5 alkenyl, C 2- 5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2 _5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0 or 1 ; and

- n is an integer 0, 1 , 2 or 3. The compound according to any one of the preceding items, wherein the compound is of Formula (XVIII):

Formula (XVIII)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I, preferably Cl or Br;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl, and wherein Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-Ci -5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-Ci -5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-C I-3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0 or 1 ; and

- n is an integer 0, 1 , 2 or 3. 44. The compound according to any one of the preceding items, wherein the

compound is of Formula (XVIII):

Formula (XVIII)

wherein:

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I, preferably Cl or Br;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN,

CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3 OCCI 3 and isocyanide;

- R 4 is selected from the group consisting of H, deuterium, Ci -5 alkyl, C 2-5

alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

- R 5 is selected from the group consisting of H, Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 , C 2-5 alkenyl, C 2-5 alkynyl, C 3-6 cycloalkyl optionally substituted with one or more, identical or different, substituents R 8 , phenyl optionally substituted with one or more, identical or different, substituents R 9 and benzyl optionally substituted with one or more, identical or different, substituents R 9 ;

- R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2-5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-Ci -3 alkyl and -CH 2 -S-Ci -3 alkyl may be optionally substituted with one or more halogens;

- R 7 is independently selected from the group consisting of deuterium, tritium,

F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 , CH 2 - 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 and CH 2 -S-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 ;

- R 8 is independently selected from the group consisting of deuterium and F;

- R 9 is independently selected from the group consisting of deuterium,

methoxy, nitro, cyano, Cl, Br, I and F;

- m is an integer 0 or 1 ; and

- n is an integer 0, 1 , 2 or 3. e compound according to any of the preceding items, wherein;

- R 1 is selected from the group consisting of H, deuterium, F, Cl, Br and I;

- R 3 is selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN, CF 3 , CCI 3 , CHF 2 , CHCI 2 , CH 2 F, CH 2 CI, OCF 3, OCCI 3 and isocyanide; R 4 is selected from the group consisting of Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C3-5 cycloalkyl, C 5 cycloalkenyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 ;

R 5 is selected from the group consisting of H, Ci -5 alkyl, C 2-5 alkenyl and C 2-5 alkynyl;

R 6 is independently selected from the group consisting of H, deuterium,

tritium, F, Cl, Br, I, CN, isocyanide, Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl, and wherein C 1-5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3- 5 cycloalkyl, C 5 cycloalkenyl, 0-C 1-5 alkyl, 0-C 2-5 alkenyl, 0-C 2-5 alkynyl, 0-C 3-5 cycloalkyl, 0-C 5 cycloalkenyl, -C(=0)-C 1-5 alkyl, -C(=0)- C 2- 5 alkenyl, -C(=0)-C 2-5 alkynyl, -C(=0)-C 3-5 cycloalkyl, -CH 2 -0-C 1-3 alkyl and -CH 2 -S-C 1-3 alkyl may be optionally substituted with one or more halogens; and

R 7 is independently selected from the group consisting of deuterium, tritium, F, Cl, Br, I, CN, isocyanide, 0-Ci -3 alkyl, S-Ci -3 alkyl, CH 2 -0-Ci -3 alkyl and CH 2 -S-CI -3 alkyl. 46. The compound according to any of the preceding items, wherein R 2 is pyridine-2- yi-

47. The compound according to any of the preceding items, wherein R 2 is

3aH,4H,5H,6H,6aH-cyclopenta[d][1 ,2]oxazol-3-yl.

48. The compound according to any of the preceding items, wherein R 2 is 4,5- dihydro-1 ,2-oxazol-5-yl.

49. The compound according to any of the preceding items, wherein R 2 is 1 H- imidazol-4-yl.

50. The compound according to any of the preceding items, wherein R 2 is 4H-1 ,2,4- triazol-3-yl.

51 . The compound according to any one of the preceding items, wherein R 1 is

selected from the group consisting of F, Cl, Br and I. 52. The compound according to any one of the preceding items, wherein R 1 is selected from the group consisting of Cl and Br.

53. The compound according to any one of the preceding items, wherein R 1 is Cl.

54. The compound any one of the preceding items, wherein R 1 is Br.

55. The compound according to any of the preceding items, wherein n is 0.

56. The compound according to any of the preceding items, wherein n is 1.

57. The compound according to any of the preceding items, wherein n is 2.

58. The compound according to any one of the preceding items, wherein R 3 is

selected from the group consisting of deuterium, F, Cl and Br.

59. The compound according to any one of the preceding items, wherein R 3 is

deuterium or tritium.

60. The compound according to any one of the preceding items, wherein R 3 is F, Cl, Br or I.

61. The compound according to any one of the preceding items, wherein R 3 is F.

62. The compound according to any one of the preceding items, wherein R 4 is H or D.

63. The compound according to any one of the preceding items, wherein R 4 is Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 7 .

64. The compound according to any one of the preceding items, wherein R 4 is

selected from the group consisting of methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl, tert-butyl, 1-ethylpropyl, 2-methylbutyl, pentyl, allyl, homo- allyl, vinyl, crotyl, butenyl, pentenyl, butadienyl, pentadienyl, ethynyl, propynyl, butynyl, pentynyl, cyclopropyl, cyclobutyl, cyclopentyl and cyclopentenyl optionally substituted with one or more, identical or different, substituents R 7 . The compound according to any one of the preceding items, wherein R 4 is methyl, ethyl, n-propyl or isopropyl, each of which may be optionally substituted with one or more, identical or different, substituents R 7 . The compound according to any one of the preceding items, wherein R 4 is methyl. The compound according to any one of the preceding items, wherein R 4 is ethyl. The compound according to any one of the preceding items, wherein R 4 is n- propyl or isopropyl. The compound according to any one of the preceding items, wherein R 4 is C 1-5 alkyl substituted with one or more F.

The compound according to any one of the preceding items, wherein R 4 is selected from the group consisting of -CH 2 F, -CHF 2 , -CF 3 , -CH 2 CH 2 F, -CH 2 CHF 2 and -CH 2 CF 3. The compound according to any one of the preceding items, wherein R 4 is methyl, ethyl, n-propyl or isopropyl, each of which is mono substituted with F. The compound according to any one of the preceding items, wherein R 4 is selected from the group consisting of fluoromethyl, fluoroethyl and fluoropropyl. The compound for use according to any one of the preceding items, wherein R 4 is selected from the group consisting of fluoromethyl, difluoromethyl, 2-fluoroeth- 1-yl, (1 S)-1 -fluoroeth-1 -yl, (1R)-1-fluoroeth-1-yl, (1 S)-1 ,2-difluoroeth-1-yl, (1R)- 1 ,2-difluoroeth-1-yl, 3-fluoroprop-1-yl, (1 S)-1-fluoroprop-1-yl, (1 R)-1-fluoroprop-1- yl, (2S)-2-fluoroprop-1-yl, (2R)-2-fluoroprop-1-yl, (1 S)-2-fluoro-1-methyl-eth-1-yl, (1 S)-2-fluoro-1-methyl-eth-1-yl and 2-fluoro-1-(fluoromethyl)eth-1-yl.

The compound for use according to any one of the preceding items, wherein R 4 is selected from the group consisting of fluoromethyl, 2-fluoroeth-1-yl, (1 S)-1- fluoroeth-1-yl and (1 R)-1-fluoroeth-1-yl. The compound according to any one of the preceding items, wherein R 4 is -CH 2 F. 76. The compound according to any one of the preceding items, wherein R 4 is Ci -5 alkyl substituted with 0-Ci -3 alkyl optionally substituted with one or more, identical or different, substituents R 8 .

77. The compound according to any one of the preceding items, wherein R 4 is -CH 2 - O-Me, -CH 2 -0-Et, -CH 2 -0-nPr or -CH 2 -0-iPr each of which is optionally substituted with one or more, identical or different, substituents R 8 .

78. The compound according to any one of the preceding items, wherein R 4 is -CH 2 - CH 2 -0-Me, -CH 2 -CH 2 -0-Et, -CH 2 -CH 2 -0-nPr or -CH 2 -CH 2 -0-iPr each of which is optionally substituted with one or more, identical or different, substituents R 8 . 79. The compound according to any one of the preceding items, wherein R 4 is C 3-5 cycloalkyl which may be optionally substituted with one or more, identical or different, substituents R 7 .

80. The compound according to any one of the preceding items, wherein R 4 is

cyclopropyl, cyclopropylmethyl or cyclobutyl each of which may be optionally substituted with one or more, identical or different, substituents R 7 .

81. The compound according to any one of the preceding items, wherein R 5 is

hydrogen.

82. The compound according to any one of the preceding items, wherein R 5 is Ci -5 alkyl optionally substituted with one or more, identical or different, substituents R 8 .

83. The compound according to any one of the preceding items, wherein R 5 is methyl or tert-butyl.

84. The compound according to any one of the preceding items, wherein R 5 is phenyl optionally substituted with one or more, identical or different, substituents R 9 . 85. The compound according to any one of the preceding items, wherein R 5 is benzyl optionally substituted with one or more, identical or different, substituents R 9 .

86. The compound according to any one of the preceding items, wherein m is 0.

87. The compound according to any one of the preceding items, wherein m is 1. 88. The compound according to any one of the preceding items, wherein m is 2.

89. The compound according to any one of the preceding items, wherein R 6 is

selected from the group consisting of Ci -5 alkyl, C 2-5 alkenyl, C 2-5 alkynyl, C 3-5 cycloalkyl and C 5 cycloalkenyl, each of which may be optionally substituted with one or more halogens.

90. The compound according to any one of the preceding items, wherein R 6 is Ci -5 alkyl substituted with one or more F.

91. The compound according to any one of the preceding items, wherein R 6 is C 1-5 alkyl.

92. The compound according to any one of the preceding items, wherein R 6 is methyl or isopropyl.

93. The compound according to any one of the preceding items, wherein R 6 is C 2-5 alkenyl substituted with one or more F.

94. The compound according to any one of the preceding items, wherein R 6 is C 2-5 alkenyl.

95. The compound according to any one of the preceding items, wherein R 6 is C 2-5 alkynyl substituted with one or more F.

96. The compound according to any one of the preceding items, wherein R 6 is C 2-5 alkynyl.

97. The compound according to any one of the preceding items, wherein R 6 is C 3-5 cycloalkyl substituted with one or more F.

98. The compound according to any one of the preceding items, wherein R 6 is C 3-5 cycloalkyl.

99. The compound according to any one of the preceding items, wherein R 6 is

cyclopropyl.

100. The compound according to any one of the preceding items, wherein R 6 is C 5 cycloalkenyl substituted with one or more F. 101. The compound according to any one of the preceding items, wherein R 6 is C 5 cycloalkenyl.

102. The compound according to any one of the preceding items, wherein R 6 is

deuterium. 103. The compound according to any one of the preceding items, wherein R is F, Cl or Br.

104. The compound according to any one of the preceding items, wherein R 7 is

deuterium.

105. The compound according to any one of the preceding items, wherein R 7 is F.

106. The compound according to any one of the preceding items, wherein R 7 is 0-C 1-3 alkyl optionally substituted with one or more, identical or different, substituents R 8 .

107. The compound according to any one of the preceding items, wherein when R 2 is 3-thienyl, R 1 is H, n=0 and R 5 is CH 3 then R 4 is not CH 3 .

108. The compound according to any one of the preceding items, wherein when R 1 is F, Cl or Br, R 2 is 1 ,2-oxazol-5-yl, R 4 is H, R 5 is H and R 6 is H then n is 1 , 2 or 3.

109. The compound according to any one of the preceding items, wherein when R 1 is F, Cl or Br, R 2 is 1 ,2-oxazol-5-yl, R 4 is H and R 5 is Me or Et and R 6 is H then n is 2 or 3.

110. The compound according to any one of the preceding items, wherein when R 1 is Cl, R 2 is 1 ,3-oxazol-4-yl, R 4 is H and R 5 is Me and R 6 is H then n is 1 , 2 or 3.

11 1. The compound according to any one of the preceding items, wherein when R 4 is H then R 2 is selected from the group consisting of 1 ,2,3-thiadiazol-4-yl, 1 ,3,4- thiadiazol-2-yl, 1 ,2-thiazol-3-yl, 1 ,2-oxazol-3-yl and 1 ,3-oxazol-4-yl.

112. The compound according to any one of the preceding items, wherein when R 4 is H then R 2 is selected from the group consisting of 1 ,2,3-thiadiazol-4-yl, 1 ,2- oxazol-3-yl and 1 ,3-oxazol-4-yl. . The compound according to any one of the preceding items, wherein the compound is selected from the group consisting of:

The compound according to any of the previous items, wherein the compound is selected from the group consisting of:

(2S)-2-[4-bromo-2-(1 ,2-oxazol-5-yl)phenoxy]butanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]butanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-3-methylbutanoic acid; (2S)-2-{4-bromo-2-[3-(propan-2-yl)-1 ,2-oxazol-5-yl]phenoxy}propanoic acid; (2S)-2-[4-bromo-2-(4-methyl-1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-chloro-6-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(pyridin-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(5-methyl-1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(3-methyl-1 ,2,4-oxadiazol-5-yl)phenoxy]propanoic acid; (2S)-2-[4-bromo-2-(5-cyclopropyl-1 ,2-oxazol-3-yl)phenoxy]propanoic acid; (2S)-2-[2-(1 ,3-benzothiazol-2-yl)-4-bromophenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 ,3-thiazol-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(3-methyl-1 ,2-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 H-imidazol-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 H-imidazol-4-yl)phenoxy]propanoic acid;

{2R)- 2-[4-bromo-2-(1 ,2-oxazol-5-yl)phenoxy]-3-fluoropropanoic acid;

(2S)-2-[4-chloro-2-(1 ,3-dimethyl-1 H-pyrazol-4-yl)phenoxy]propanoic acid; (2S)-2-[4-chloro-2-(1 H-pyrazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(thiophen-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1-methyl-1 H-pyrazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[2-(1 ,3-benzothiazol-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,3,4-oxadiazol-2-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 H-pyrazol-1-yl)phenoxy]propanoic acid;

(2S)-2-[4,5-dichloro-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,3-oxazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-3-yl)phenoxy]-3-cyclopropylpropanoic acid; (2S)-2-[4-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2/?)-2-[4-chloro-2-(1 ,2-oxazol-3-yl)phenoxy]-3-fluoropropanoic acid;

(2S)-2-[4-chloro-2-(4-methyl-1 ,2-oxazol-3-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(5-cyclopropyl-1 ,2-oxazol-3-yl)phenoxy]propanoic acid; (2S)-2-[4-chloro-2-(1 ,2-oxazol-3-yl)phenoxy]-3-methylbutanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-3-yl)phenoxy]butanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-3-yl)phenoxy]propanoic acid; (2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-3-cyclopropylpropanoic acid; (2S)-2-[4-chloro-2-(1 ,3-oxazol-2-yl)phenoxy]propanoic acid;

(2/?)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-3-fluoropropanoic acid;

(2S)-2-[4-bromo-2-(2H-1 ,2,3-triazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]-4-fluorobutanoic acid; (2S)-2-[4-bromo-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-4-fluorobutanoic acid;

(2/?)-2-[4-chloro-5-fluoro-2-(1 ,2-oxazol-5-yl)phenoxy]-3-fluoropropanoic acid; (2S)-2-[4-bromo-2-(1 ,3-thiazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-5-fluoro-2-(1 ,3-oxazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]-3-methylbutanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]-3-cyclopropylpropanoic acid; (2/?)-2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]-3-fluoropropanoic acid;

(2S)-2-[4-chloro-5-fluoro-2-(1 ,2-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]butanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-4-yl)phenoxy]propanoic acid;

(2/?)-2-[4-chloro-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]-3-fluoropropanoic acid; (2S)-2-[4-chloro-2-(1 ,3-oxazol-4-yl)phenoxy]propanoic acid;

2-[4-bromo-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]acetic acid;

2-[4-chloro-2-(1 ,2-oxazol-5-yl)phenoxy]acetic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-5-yl)phenoxy]-2-cyclopropylacetic acid;

(2S)-2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]-2-cyclopropylacetic acid; (2S)-2-[4-bromo-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]-3-cyclopropylpropanoic acid;

2-[4-bromo-2-(4-methyl-1 ,2-oxazol-3-yl)phenoxy]acetic acid;

2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-5-yl)phenoxy]acetic acid;

(2S)-2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-3-cyclobutylpropanoic acid; (2S)-2-[4-bromo-5-fluoro-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]propanoic acid; 2-[4-bromo-2-(1 ,2-oxazol-5-yl)phenoxy]acetic acid;

2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]acetic acid;

(2S)-2-[4-bromo-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]butanoic acid;

{2R)- 2-[4-bromo-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]-3-fluoropropanoic acid; (2S)-2-[4-bromo-2-(1 ,3,4-thiadiazol-2-yl)phenoxy]propanoic acid;

2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]acetic acid; (2R)-2-[4-bromo-5-fluoro-2-(1 ,2-oxazol-3-yl)phenoxy]-3-fluoropropanoic acid; (2S)-2-[4-chloro-2-(1 ,2,3-thiadiazol-4-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,3-oxazol-5-yl)phenoxy]propanoic acid;

(2S)-2-[4-bromo-2-(1 ,2-oxazol-3-yl)phenoxy]-3-ethoxypropanoic acid;

2-[4-bromo-2-(1 ,3-oxazol-4-yl)phenoxy]acetic acid; and

(2S)-2-[4-chloro-2-(1 ,2-thiazol-3-yl)phenoxy]propanoic acid.

115. The compound according to any one of the preceding items, wherein the

compound has activity on CIC-1 receptor.

116. The compound according to any one of the preceding items, wherein the

compound is an inhibitor of the CIC-1 ion channel.

117. The compound according to item 80, wherein the EC 50 <50 mM, preferably <40 mM, more preferably <30 mM, more preferably <20 mM, more preferably <15 mM, even more preferably <10 mM and most preferably <5 mM.

118. The compound according to any one of the preceding items, wherein the

recovery of force in muscles with neuromuscular dysfunction is >5%, preferably

>10%, more preferably >15%, more preferably >20%, more preferably >25%, even more preferably >30% and most preferably >35%.

119. The compound according to any one of the preceding items, wherein the

compound improves the recovered force in isolated rat soleus muscles after exposure to tubocurarine.

120. A composition comprising the compound according to any one of the preceding items.

121. The composition according to any one of the preceding items, wherein the

composition is a pharmaceutical composition. 122. The compound or the composition according to any one of the preceding items, for use as a medicament.

123. The composition according to any one of the preceding items, wherein the

composition further comprises a pharmaceutically acceptable carrier. 124. The composition according to any one of the preceding items, wherein the composition further comprises at least one further active agent.

125. The composition according to any one of the preceding items, wherein said

further active agent is suitable for treating, preventing or ameliorating said neuromuscular disorder.

126. The composition according to any one of the preceding items, wherein said

further active agent is an acetylcholine esterase inhibitor.

127. The composition according to any one of the preceding items, wherein said

acetylcholine esterase inhibitor is selected from the group consisting of delta-9- tetrahydrocannabinol, carbamates, physostigmine, neostigmine, pyridostigmine, ambenonium, demecarium, rivastigmine, phenanthrene derivatives, galantamine, piperidines, donepezil, tacrine, edrophonium, huperzine, ladostigil, ungeremine and lactucopicrin.

128. The composition according to any one of the preceding items, wherein said

acetylcholine esterase inhibitor is neostigmine or pyridostigmine.

129. The composition according to any one of the preceding items, wherein said

further active agent is sugamadex.

130. The composition according to any one of the preceding items, wherein said

further active agent is tirasemtiv or CK-2127107.

131. The composition according to any one of the preceding items, wherein said

further active agent is 3,4-aminopyridine.

132. A method for manufacturing the compound according to any one of the preceding items, the method comprising the steps of

a. reacting a compound having a formula of

wherein R 4 is as defined in any one of the preceding items and R 11 is selected from the group consisting of alkyl, alkenyl, akynyl, cycloalkyl, cycloalkenyl, aromatic ring, heteroaromatic ring and -alkylene-Si-alkyl, with first a reagent capable of converting the alcohol (OH) into a leaving group and secondly with a compound having a formula of

wherein R 1 , R 2 , R 3 and n are as defined in any one of the preceding items and Y is O to generate a compound having a formula of

( M - Xl ) ; and

b. reacting the product compound of a) with an ester hydrolysing reagent thus generating a compound according to any one of the preceding items. A method for manufacturing the compound according to any one of the preceding items, the method comprising the steps of

a. reacting a compound having a formula of

(M.XII)

wherein R 1 , R 2 , R 3 and n are as defined in any one of the preceding items and

Q is a leaving group selected from the group consisting of fluorine and iodine, with a compound having a formula of

wherein R 4 is as defined in any one of the preceding items and R 11 is selected from the group consisting of alkyl, alkenyl, akynyl, cycloalkyl, cycloalkenyl, aromatic ring, heteroaromatic ring and -alkylene-Si-alkyl where Y is O to generate a compound having a formula of

wherein Y is O; and

b. reacting the product compound of a) with an ester hydrolysing reagent thus generating a compound according to any one of the preceding items. A method for manufacturing the compound according to any one of the preceding items, the method comprising the steps of

a. reacting a compound having a formula of

(M.XI II)

wherein R 4 is as defined in any one of the preceding items, Z is OH and R 12 is selected from the group consisting of -Si-alkyl, with first a reagent capable of converting the alcohol (Z) into a leaving group and secondly with a compound having a formula of

wherein R 1 , R 2 , R 3 and n are as defined in any one of the preceding items and Y is O to generate a compound having a formula of

(M.XIV)

b. reacting the product compound of a) with an ether cleaving reagent to generate a compound having a formula of

(M.XV) . an(J

c. reacting the product compound of b) with an oxidising agent thus

generating a compound according to any one of the preceding items. 135. The compound according to any one of the preceding items for use in treating, ameliorating and/or preventing a neuromuscular disorder, and/or for use in reversing and/or ameliorating a neuromuscular blockade.

136. The compound for use according to any one of the preceding items wherein the neuromuscular disorder is myasthenia gravis. 137. The compound for use according to any one of the preceding items wherein the neuromuscular disorder is autoimmune myasthenia gravis.

138. The compound for use according to any one of the preceding items wherein the neuromuscular disorder is congenital myasthenia gravis.

139. The compound for use according to any one of the preceding items wherein the neuromuscular disorder is Lambert-Eaton Syndrome.

140. The compound for use according to any one of the preceding items wherein the neuromuscular disorder is critical illness myopathy.

141. The compound for use according to any one of the preceding items wherein the neuromuscular disorder is amyotrophic lateral sclerosis (ALS).

142. The compound for use according to any one of the preceding items wherein the neuromuscular disorder is spinal muscular atrophy (SMA).

143. The compound for use according to any one of the preceding items wherein the neuromuscular disorder is critical illness myopathy (CIM).

144. The compound for use according to any one of the preceding items wherein the neuromuscular disorder is Charcot-Marie tooth disease (CMT).

145. The compound for use according to any one of the preceding items wherein the neuromuscular disorder is sarcopenia.

146. The compound for use according to any one of the preceding items wherein the neuromuscular disorder is reversal diabetic polyneuropathy.

147. The compound for use according to any one of the preceding items wherein the neuromuscular disorder is periodic paralysis.

148. The compound for use according to any one of the preceding items wherein the neuromuscular disorder is hypokalemic periodic paralysis or hyperkalemic periodic paralysis.

149. The compound for use according to any one of the preceding items wherein the neuromuscular disorder is selected from the group consisting of Guillain-Barre syndrome, poliomyelitis, post-polio syndrome, chronic fatigue syndrome, and critical illness polyneuropathy.

150. The compound for use according to any one of the preceding items, wherein the compound is for use in the treatment of symptoms of an indication selected from the group consisting of myasthenia gravis (such as autoimmune and congenital myasthenia gravis), Lambert-Eaton Syndrome, critical illness myopathy, amyotrophic lateral sclerosis (ALS), spinal muscular atrophy (SMA), critical illness myopathy (CIM), reversal diabetic polyneuropathy, Guillain-Barre syndrome, poliomyelitis, post-polio syndrome, chronic fatigue syndrome, critical illness polyneuropathy, periodic paralysis, hypokalemic periodic paralysis and hyperkalemic periodic paralysis.

151. The compound for use according to any one of the preceding items wherein the neuromuscular disorder has been induced by a neuromuscular blocking agent.

152. The compound for use according to any one of the preceding items, wherein the neuromuscular blockade is neuromuscular blockade after surgery.

153. The compound for use according to any one of the preceding items, wherein the neuromuscular blockade is drug induced.

154. The compound for use according to any one of the preceding items, wherein the drug is an antibiotic.

155. The compound for use according to any one of the preceding items, wherein the drug is a non-depolarizing neuromuscular blocker.

156. The compound for use according to any one of the preceding items, wherein said compound further has been modified in order to increase its half-life when administered to a patient, in particular its plasma half-life.

157. The compound for use according to any one of the preceding items, wherein said compound further comprises a moiety conjugated to said compound, thus generating a moiety-conjugated compound.

158. The compound for use according to any one of the preceding items, wherein the moiety-conjugated compound has a plasma and/or serum half-life being longer than the plasma and/or serum half-life of the non-moiety conjugated compound. 159. The compound for use according to any one of the preceding items, wherein the moiety conjugated to the compound is one or more type(s) of moieties selected from the group consisting of albumin, fatty acids, polyethylene glycol (PEG), acylation groups, antibodies and antibody fragments. 160. The compound for use according to any one of the preceding items, wherein said compound is comprised in a composition.

161. The compound for use according to any one of the preceding items, wherein the composition is a pharmaceutical composition.

162. The compound for use according to any one of the preceding items, wherein the composition further comprises a pharmaceutically acceptable carrier.

163. The compound for use according to any one of items, wherein the composition further comprises at least one further active agent.

164. The compound for use according to any one of the preceding items, wherein said further active agent is suitable for treating, preventing or ameliorating said neuromuscular disorder.

165. The compound for use according to any one of the preceding items, wherein said further active agent is an acetylcholine esterase inhibitor.

166. The compound for use according to any one of the preceding items, wherein said acetylcholine esterase inhibitor is selected from the group consisting of delta-9- tetrahydrocannabinol, carbamates, physostigmine, neostigmine, pyridostigmine, ambenonium, demecarium, rivastigmine, phenanthrene derivatives, galantamine, piperidines, donepezil, tacrine, edrophonium, huperzine, ladostigil, ungeremine and lactucopicrin.

167. The compound for use according to any one of the preceding items, wherein said acetylcholine esterase inhibitor is neostigmine or pyridostigmine.

168. The compound for use according to any one of the preceding items, wherein said further active agent is sugamadex.

169. The compound for use according to any one of the preceding items, wherein said further active agent is tirasemtiv. 170. The compound for use according to any one of the preceding items, wherein said further active agent is 3,4-aminopyridine.

171. A method of treating, preventing and/or ameliorating a neuromuscular disorder, said method comprising administering a therapeutically effective amount of the compound as defined in any one of the preceding items to a person in need thereof.

172. Use of a compound as defined in any one of the preceding items, for the

manufacture of a medicament for the treatment, prevention and/or amelioration of a neuromuscular disorder, and/or for reversing and/or ameliorating of a neuromuscular blockade.

173. A method of reversing and/or ameliorating a neuromuscular blockade, said

method comprising administering a therapeutically effective amount of the compound as defined in any one of the preceding items to a person in need thereof. 174. A method for recovery of neuromuscular transmission, said method comprising administering a therapeutically effective amount of the compound as defined in any one of the preceding items to a person in need thereof.

175. A method for recovering neuromuscular transmission, the method comprising administering a compound as defined in any one of the preceding items to an individual in need thereof.

Examples

Materials and methods

Chemicals

Compounds for testing were obtained from different suppliers including Enamine, Vitas, and CanAm Bioresearch. For synthesis of particular compounds please see below.

General synthetic strategies

Compounds of formula (I) may be synthesized by the following synthetic strategies, general methods A-C: NMR Spectra

1 H-NMR spectra were recorded either on a Bruker AM-300 spectrometer and were calibrated using residual nondeuterated solvent as internal reference. Spectra were processed using Spinworks version 4.0 (developed by Dr. Kirk Marat, Department of Chemistry, University of Manitoba), or on a Bruker 400 MHZ Ultrashield plus equipped with probe BBO 400MHz S1 5mm with Z gradient probe or a Bruker 500 MHz Avance III HD spectrometer, equipped with a Bruker 5mm SmartProbeTM, calibrated using residual non-deuterated solvent as internal reference and spectra processed using topspin version 3.2.7.

HPLC method 1

Waters Acquity UPLC, X-Select; column: Waters X-Select UPLC C18, 1.7 pm, 2.1 x 30mm. Solvent A: 0.1 % formic acid in water; solvent B: 0.1% formic acid in MeCN. Gradient 5-95 % Solvent B over 10 minutes; detector: diode array.

HPLC method 2

The product was analysed by Waters 2695 HPLC consisting of a Waters 996 photodiode array detector, Kromasil Eternity C18, 5 pm, 4.6 X 150 mm column. Flow rate: 1 mL/minute, run time 20 minutes. Solvent A: methanol; solvent B: 0.1% formic acid in water. Gradient 0-100 % Solvent B over 15 minutes with monitoring at 280 nm.

HPLC method 3

Waters Acquity UPLC, X-Select; column: Waters X-Select UPLC C18, 1.7 pm, 2.1 x 30mm. Solvent A: 0.1 % formic acid in water; solvent B: 0.1 % formic acid in MeCN.

Gradient 5-95 % Solvent B over 3 minutes; detector: diode array.

General Method A

Method A involves the synthesis of compounds of Formula (M.XVI) (which is the same as Formula (I) in which R 5 is H), which is an ether structure wherein Y = oxygen, and - R-i, -R 2 , -R 3 and -R 4 , are as defined in Formula (I) above. Compound (M.X), in the case where Y = O is a phenol, is available either commercially or synthetically (see below), and can be converted into an ether (M.XI) by methods which include Mitsunobu reaction conditions. This ether contains an ester functionality -C0 2 R 11 , which can be hydrolysed under a range of standard conditions, involving treatment with acid or base, to provide the carboxylic acid structure (M.XVI), Y = O. Standard conditions for hydrolysis of the ester can also for example involve an enzymatic hydrolysis, employing for example an esterase or lipase. Furthermore, if an ester molecule (M.XI) comprises for example a (CH 3 ) 3 SiCH 2 CH 2 0- group as -OR 11 , then a fluoride ion source such as tetra-n-butylammonium fluoride can be employed to convert (M.XI) into the

corresponding carboxylic acid (M.XVI).

Substituted phenols of general formula (M.X), Y = O, can be prepared by a variety of standard methods, for example by an ester rearrangement in the Fries rearrangement, by a rearrangement of /V-phenylhydroxylamines in the Bamberger rearrangement, by hydrolysis of phenolic esters or ethers, by reduction of quinones, by replacement of an aromatic amine or by a hydroxyl group with water and sodium bisulfide in the Bucherer reaction. Other methods include hydrolysis of diazonium salts, by rearrangement reaction of dienones in the dienone phenol rearrangement, by the oxidation of aryl silanes or by the Hock process. General Method B

Carboxylic acids of Formula (M.XVI) (which is the same as Formula (I) in which R 5 is H) can also be prepared by the procedure illustrated as General Method B. A phenolic ether of formula (M.XI) can be prepared by displacement of a suitable leaving group Q in (M.XII) with the nucleophile YH in (M.IX), such as YH=OH. Q can for example be a halogen such as fluorine or iodine, and the ether product of formula (M.XI) can be converted into the carboxylic acid derivative (M.XVI) by one of a range of methods outlined in General Method A, involving hydrolysis of the ester functionality.

General Method C

(M.XVI) Carboxylic acids of Formula (M.XVI) (which is the same as Formula (I) in which R 5 is H) can be prepared by the procedure illustrated as General Method C. A phenolic ether of formula (M.XIV) can be prepared by utilising e.g. Mitsunobu conditions when (M.X) is a phenol structure, i.e. Y = O, and (M.XIII) is a suitable secondary alcohol, i.e. Z = OH, and -R 12 is a suitable protecting group, such as a silyl-containing moiety. On removal of the protecting group -R 12 , the primary alcohol in (M.XV) can be oxidised to a carboxylic acid under standard conditions involving potassium permanganate, Jones oxidation conditions, the Heyns oxidation, ruthenium tetroxide or TEMPO, generating (M.XVI).

Table 1 below illustrates Example compounds defined by the general Formula (I). In table 1 , the HPLC System is one of the methods as defined in the Materials and methods section.

Table 1 : Illustrative Examples of the Invention

Specific examples of Syntheses

Example 1 : (S)-2-(4-Bromo-2-(isoxazol-5-yl)phenoxy)propanoic acid; adapted from General Method A

To a solution of (R)-tert-butyl 2-hydroxypropanoate (1.2) (2.076 g, 14.20 mmol), 4- bromo-2-(isoxazol-5-yl)phenol (1.1 ) (3.75 g, 15.62 mmol) and triphenylphosphine (5.21 g, 19.88 mmol) in THF (150 ml.) at 0°C was added DIAD (3.87 ml_, 19.88 mmol) dropwise over 20 min. The solution was stirred for a further 15 min at 0 °C. The bright yellow solution was allowed to warm to RT and stirred overnight. MeOH (10 ml.) was added and volatiles removed in vacuo to afford a dark orange oil. Formic acid (55 ml_, 1434 mmol) was added and the mixture heated at 70°C for 1 h. Volatiles were removed in vacuo and excess formic acid removed by co-evaporation with toluene (30 ml_). Aq. NaOH (0.5 M) was added and the aqueous layer was washed with EtOAc (2 x 25 ml_). The aqueous layer was acidified with aq. HCI (1 M) and extracted with EtOAc (3 x 25 mL). The combined organic extracts were dried over MgS0 4 and adsorbed onto silica. The crude product was purified by chromatography on silica gel (80 g column, 0-100% EtOAc/isohexane) (eluting 40%) to afford (S)-2-(4-bromo-2- (isoxazol-5-yl)phenoxy)propanoic acid (1.3) (1.897 g, 5.77 mmol, 40.7 % yield) as an off-white solid. The product was analysed by LCMS (Waters Acquity UPLC, C18, Waters X-Bridge UPLC C18, 1.7 pm, 2.1x30mm, Acidic (0.1% Formic acid) 10 min method, 5-95% MeCN/water): 1923-89-B2, m/z 312.122 (M+H)+ (ES+); 310.072 (M-H)- (ES-), at 3.672 min, 100% purity @ 254 nm. 1 H NMR (400 MHz, DMSO-d 6 ) d 13.29 (s,

1 H); 8.70 (d, J = 1.9 Hz, 1 H); 7.98 (d, J = 2.5 Hz, 1 H); 7.64 (dd, J = 8.9, 2.6 Hz, 1 H); 7.16 - 7.02 (m, 2H); 5.16 (q, J = 6.7 Hz, 1 H); 1.61 (d, J = 6.7 Hz, 3H).

To a solution of (S)-2-(4-bromo-2-(isoxazol-5-yl)phenoxy)propanoic acid (1.3) (1.017 g, 3.26 mmol) in MeCN (23 mL) was added NaHC0 3 (0.274 g, 3.26 mmol) in H 2 0 (8 mL) and the reaction stirred at room temperature for 30 min. After the alotted time, volatiles were removed in vacuo. Water was then added and the solution washed with CH 2 CI 2 . The aqueous layer was then concentrated under reduced pressure and and excess formic acid removed by co-evaporation with toluene (30 mL). The resulting colourless solid was dried in a dessicator for 3 days. The product (1.4) was analysed by LCMS (Agilent Infinity, X-Select, Waters X-Select C18, 2.5 pm, 4.6x30 mm, Basic (0.1% Ammonium Bicarbonate) 4 min method, 5-95% MeCN/water): m/z 312.150 (M+H-Na)+ (ES+); 334.053, (M+H)+ (ES+); 312.061 (M-H)- (ES-), at 1.312 min, 100% purity @ 254 nm. 1 H NMR (400 MHz, DMSO-d 6 ) d 8.66 (d, J = 1.9 Hz, 1 H); 7.90 (d, J = 2.6 Hz, 1 H); 7.52 (dd, J = 9.0, 2.6 Hz, 1 H); 7.21 (d, J = 1.9 Hz, 1 H); 6.95 (d, J = 9.0 Hz, 1 H); 4.47 (q, J = 6.6 Hz, 1 H); 1.47 (d, J = 6.6 Hz, 3H).

In conclusions, this example demonstrates that compound 1.4 can be prepared using the synthetic strategy of general method A.

Example 2: (2S)-2-[4-bromo-2-(5-cyclopropyl-1,2-oxazol-3-yl)phenoxy]pro panoic acid, adapted from General Method A

2.4

Hydroxylamine hydrochloride (1.59 g, 22.88 mmol) was added to a stirred solution of 5- bromo-2-hydroxybenzaldehyde (2.1 ) (2.3 g, 1 1.44 mmol) and pyridine (2.78 ml, 34.3 mmol) in ethanol (20 ml) at room temperature. After 4 hours the mixture was diluted with water (200ml), the solution was adjusted to pH 4 - 5 by addition of 1 M

hydrochloric acid and stirred for 3 hours. The resulting precipitated solid was collected by filtration, washed with water (3 x 10 ml.) and dried in vacuo at 45°C for 3 days to afford (£)-5-bromo-2-hydroxybenzaldehyde oxime (2.2) (1.986 g, 9.14 mmol, 80% yield) as an off-whilte solid. The product was analysed by LCMS (Waters Acquity

UPLC, X-Select, Waters X-Select UPLC C18, 1.7 pm, 2.1x30mm, Acidic (0.1 % Formic acid) 3 min method, 5-95% MeCN/water): m/z 216/218 (M+H) + (ES + ); at 1.268 min, 99.4% purity (diode array). 1 H NMR (500 MHz, DMSO-d6) d 11.48 (s, 1 H), 10.31 (s,

1 H), 8.27 (s, 1 H), 7.65 (d, J = 2.6 Hz, 1 H), 7.37 (dd, J = 8.7, 2.6 Hz, 1 H), 6.86 (d, J = 8.7 Hz, 1 H).

/V-Chlorosuccinimide (220 mg, 1.650 mmol) followed by 1 drop of 1 M hydrochloric acid were added to a stirred solution of (£)-5-bromo-2-hydroxybenzaldehyde oxime (2.2) (300 mg, 1.375 mmol) in DMF (6 ml.) at room temperature. After 2 hours

ethynylcyclopropane (0.140 ml_, 1.650 mmol) was added followed by triethylamine (0.249 ml_, 1.787 mmol) and the mixture maintained at room temp for 16 hours.

Saturated sodium metabisulfite solution (2ml) was added and the mixture was stirred for 10 min., then diluted with 0.5 M hydrochloric acid (30ml) and extracted weith ethyl acetate (30ml). Organic extracts were washed with sodium bicarbonate solution (30ml) then brine (10ml), dried (MgS0 4 ) and evaporated in vacuo. The residue was subjected to column chromatography (24 g Grace silica cartridge) eluting with a 0-100% ethyl acetate in isohexane gradient to afford 4-bromo-2-(5-cyclopropylisoxazol-3-yl)phenol (2.3) (172 mg, 0.522 mmol, 38.0 % yield) as an oil. The product was analysed by LCMS (Waters Acquity UPLC, X-Select, Waters X-Select UPLC C18, 1.7 pm,

2.1x30mm, Acidic (0.1% Formic acid) 3 min method, 5-95% MeCN/water) m/z 280/282 (M+H) + (ES + ); 278/280 (M-H) (ES ), at 1.753 min, 85% purity (diode array). 1 H NMR (500 MHz, DMSO-d6) d 10.34 (s, 1 H), 7.79 (d, J = 2.6 Hz, 1 H), 7.46 (dd, J = 8.8, 2.6 Hz, 1 H), 6.96 (d, J = 8.8 Hz, 1 H), 6.70 (s, 1 H), 2.21 (qt, J = 8.4, 5.0 Hz, 1 H), 1.13 - 1.05 (m, 2H), 0.97 - 0.90 (m, 2H).

DIAD (0.163 ml_, 0.840 mmol) was added to a stirred solution of 4-bromo-2-(5- cyclopropylisoxazol-3-yl)phenol (168 mg, 0.600 mmol), (R)-tert-butyl 2- hydroxypropanoate (96 mg, 0.660 mmol) and triphenylphosphine (220 mg, 0.840 mmol) in anhydrous THF (6 ml_). After 2 hours reaction the solution was evaporated in vacuo to an oil. This oil was dissolved in formic acid (2 ml.) and heated to 70°C for 30 minutes. The mixture was evaporated in vacuo and the residue co-evaportaed with toluene (4ml). The residue was dissolved in ethyl acetate (30 ml.) and extracted with 0.5 M sodium hydroxide solution (30ml). The aqueous phase was washed with ethyl acetate (30 ml_), acidified to pH 3 - 4 by dropwise addition of concentrated hydrochloric acid and extracted with ethyl acetate (30 ml_). Organic extracts were dried (MgS0 4 ) and evaporated in vacuo. The residue was purified by column chromatography (12 g Grace silica cartridge) with 5 - 50% 99/1 ethyl acetate/acetic acid in isohexane gradient elution. Product-containing fractions were evaporated, the residue triturated with 4:1 isohexane/ethyl acetate (0.5ml) and the solution decanted from the resulting solid which was washed with isohexane (0.5ml) and dried overnight in vacuo at 45°C to afford (S)-2-(4-bromo-2-(5-cyclopropylisoxazol-3-yl)phenoxy)propano ic acid (2.4) (96 mg, 0.271 mmol, 45% yield) Example 3: (S)-2-(4-bromo-2-(isoxazol-3-yl)phenoxy)propanoic acid adapted from General Method A

1 ) PPh 3 , DIAD, THF

H

/V-Chlorosuccinimide (360 mg, 2.69 mmol) followed by 1 drop of 1 M hydrochloric acid were added to a stirred solution of (£)-5-bromo-2-hydroxybenzaldehyde oxime (2.2) (485 mg, 2.245 mmol) in DMF (10 ml_, 129 mmol). After 1 hour ethynyltrimethylsilane (0.311 ml_, 2.245 mmol) and triethylamine (0.407 ml_, 2.92 mmol) were added. After 16 hours, the mixture was diluted with water (50 ml_), adjusted to pH 5 - 6 with 1 M hydrochloric acid and extracted with ethyl acetate (50ml). Organic extracts were washed with brine (25ml), dried (MgS0 4 ) and evaporated in vacuo. The residue was dissolved in dichloromethane (5 ml_), the solution filtered then added to a 24 g silica cartridge equilibrated in isohexane. The column was eluted with 0 - 50% ethyl acetate in isohexane gradient to afford 4-bromo-2-(5-(trimethylsilyl)isoxazol-3-yl)phenol (3.1) (408 mg, 1.002 mmol, 44.6 % yield) as an oil.

The product was analysed by LCMS (Waters Acquity UPLC, X-Select, Waters X-Select UPLC C18, 1.7 pm, 2.1x30mm, Acidic (0.1% Formic acid) 3 min method, 5-95% MeCN/water): m/z 312/314 (M+H) + (ES + ); 310/312 (M-H) (ES ), at 1.999 min, 76.7% purity (diode array). 1 H NMR (500 MHz, DMSO-d6) d 10.36 (s, 1 H), 7.86 (d, J = 2.6 Hz, 1 H), 7.47 (dd, J = 8.8, 2.6 Hz, 1 H), 7.23 (s, 1 H), 6.99 (d, J = 8.8 Hz, 1 H), 0.36 (s, 9H).

DIAD (266 mg, 1.314 mmol) was added to a stirred solution of 4-bromo-2-(5- (trimethylsilyl)isoxazol-3-yl)phenol (300 mg, 0.730 mmol), (R)-tert-butyl 2- hydroxypropanoate (149 mg, 1.022 mmol) and triphenylphosphine (345 mg, 1.314 mmol) in anhydrous tetrahydrofuran (6 ml, 0.730 mmol) at room temperature. After 2 hours the reaction mixture was evaporated in vacuo, the residue dissolved in 4:1 isohexane/dichloromethane and applied to a 24g silica cartridge equilibrated in isohexane which was eluted with a 0-40% ethyl acetate in isohexane gradient to give (S)-tert-butyl 2-(4-bromo-2-(5 (trimethylsilyl)isoxazol-3-yl)phenoxy)propanoate (3.2) as an oil.

This oil was dissolved in formic acid (2 ml_, 0.730 mmol) and heated to 70°C for 2 hours then evaporated and the residue co-evaporated with toluene (4ml). The residue was dissolved in ethyl acetate (20 ml.) and extracted with 0.5 M sodium hydroxide solution (20ml). After 15 minutes the aqueous phases was acidified to pH 3 - 4, by dropwise addition of concentrated hydrochloric acid, and extracted with ethyl acetate (20 ml_). Organic extracts were dried (MgS0 4 ) and evaporated in vacuo. The residue was purified by column chromatography (12g Grace silica cartridge) with 5 - 45% ethyl acetate/acetic acid (99/1 ) in isohexane gradient elution. Product-containing fractions were evaporated and the residue co-evaporated with toluene (4 ml_). The residues was triturated with 4:1 isohexane/ethyl acetate (0.5 ml.) and solvent decanted to give a solid product which was dried in vacuo at 45°C overnight to afford (S)-2-(4-bromo-2- (isoxazol-3-yl)phenoxy)propanoic acid (3.3) (65 mg, 0.206 mmol, 28% yield)

Description of Pharmacological Methods and Drawings

Example 4: Electrophysiological measurement of compound inhibition of CIC-1 in rat muscle

The investigatory goal of these experiments was to evaluate whether compounds inhibit CIC-1 channels in native tissue of rat skeletal muscle fibres. Apparent CIC-1 affinity was reported by the concentration of compound at which 50% of the

compound’s full inhibition of CIC-1 was observed (EC 50 ). CIC-1 Cl ion channels generate around 80% of the total membrane conductance (G m ) in resting skeletal muscle fibres of most animals including rat and human (Bretag, A H. Muscle chloride channels. Physiological Reviews, 1987, 67, 618-724). Other ion channels that contribute to G m can therefore be considered negligible, and it is possible to evaluate whether a compound inhibits CIC-1 in rat muscle by comparing G m measurements before and after exposure to a compound. CIC-1 inhibition would in such recordings be reflected by a reduction of G m .

Experimentally, G m was measured in individual fibres of whole rat soleus muscles using a three micro-electrodes technique described in this example and in full detail elsewhere (Riisager et al., Determination of cable parameters in skeletal muscle fibres during repetitive firing of action potentials. Journal of Physiology, 2014, 592, 4417- 4429). Briefly, intact rat soleus muscles were dissected out from 12-14 week old Wistar rats and placed in an experimental chamber that was perfused with a standard Krebs Ringer solution containing 122 mM NaCI, 25 mM NaHC0 3 , 2.8 mM KCI, 1.2 mM KH 2 PO 4 , 1.2 mM MgS0 4 , 1.3 mM CaCI 2 , 5.0 mM D-glucose. During experiments, the solution was kept at approx. 30°C and continuously equilibrated with a mixture of 95% 0 2 and 5% C0 2 , pH -7.4. The experimental chamber was placed in Nikon upright microscope that was used to visualize individual muscle fibres and the three electrodes (glass pipettes filled with 2 M potassium citrate). For G m measurements, the electrodes were inserted into the same fibre with known inter-electrode distances of 0.35 - 0.5 mm (V1-V2, X1 ) and 1.1-1.5 mm (V1-V3, X3) (Figure 1A). The membrane potential of the impaled muscle fibre was recorded by all electrodes. Two of the electrodes were furthermore used to inject 50 ms current pulses of -30 nA. Given the positions of the electrodes, three different inter-electrode distances could be identified (X1-X2, X1-X3, X2-X3) and hence the membrane potential responses to the current injections could be obtained at three distances from the point of current injection. The steady state voltage deflection at each distance was divided by the magnitude of current injected (-30 nA) and the resulting transfer resistances were plotted against inter-electrode distance and the data was fitted to a mono-exponential function from which G m could be calculated using linear cable theory (Figure 1 B).

To establish a dose response relationship, G m was first determined in 10 muscle fibres in the absence of compound and then at four increasing compound concentrations with G m determinations in 5-10 fibres at each concentration. The average G m values at each concentration were plotted against compound concentration and the data was fitted to sigmoidal function to obtain an EC 50 value (Figure 1 C). Table 2 shows the EC 50 values for a range of compounds with n values referring to number of experiments that each reflect recordings from around 50 fibres.

Table 2: Inhibition of CIC-1 ion channel using compounds of the invention

In conclusion, this example demonstrates that the compounds of the present invention have an EC 50 value in the range of 1-12 mM. For example, compound A-22 has an EC 50 value of 7.5 mM. In comparison, the (2R)-enantiomer of compound A-22 has an EC 50 value higher than 80 mM, which demonstrates that the chiral centre significantly influences the activity on the CIC-1 channel.

Example 5: Measurement of force in an in vitro model

The current invention relates to compounds that inhibit CIC-1 ion channels and increase muscle excitability and thereby improve muscle function in clinical conditions where muscle activation is failing. Such conditions result in loss of contractile function of skeletal muscle, weakness and excessive fatigue. In this series of experiments the compounds were tested for their ability to restore contractile function of isolated rat muscle when the neuromuscular transmission had been compromised akin to neuromuscular disorders.

Experimentally, soleus muscles from 4-5 wk old rats were isolated with the motor nerve remaining attached. The nerve-muscle preparations were mounted in experimental setups that enabled electrical stimulation of the motor nerve. Stimulation of the motor nerve led to activation of the muscle fibres and ensuing force production that was recorded. The nerve-muscle preparations were also in these experiments incubated in the standard Krebs Ringer (see example 5) and the solution was heated to 30°C and continuously equilibrated with a mixture of 95% 0 2 and 5% C0 2 , pH -7.4.

After mounting the nerve-muscle preparation in the experimental setup, the contractile function of the muscle was initially assessed under the control conditions (Figure 2A). Sub-maximal concentration of tubocurarine (1 15 nM), an acetylcholine receptors antagonist, was then added to the experimental bath to impose partial inhibition of the ability of the motor nerve to activate the muscle fibres. The experimental condition mimics the failing neuromuscular transmission in a range of neuromuscular disorders. After addition of tubocurarine the contractile force declined over the next 90 mins to 10- 50 % of the control force. 50 mM of the test compound was then added and the contractile force recovered despite the continued presence of tubocurarine. To quantify the ability of the compound to restore force the percentage of the initial force that was restored was determined after 40 mins of compound exposure (Figure 2B) and the point increase is reported in Table 3. Table 3: Percentage increase of initial force that was restored

In conclusion, this example demonstrates that the compounds of the present invention are able to increase muscle excitability and thereby improve muscle function in clinical conditions. The muscle contractility was recovered by 10-50 % points, which meant almost complete restoration of the force.

The data further demonstrates that neither the racemic compounds tested, nor the (2F?)-enantiomers are able to recover force compared to the (2S)-enantiomers.

Example 6: Screening of compounds on the human isoform of CIC-1 expressed in CHO cells using automated patch-clamp

The investigatory goal of these experiments was to evaluate how compounds affect the open probability and current amplitude of human CIC-1 channels expressed in CHO cells. Experiments were performed using an automated patch clamp system that allowed high throughput testing of whole cell patches together with both intracellular and extracellular addition of compound.

Automated voltage clamp measurements

Automated whole cell patch clamp experiments were performed with the Qpatch 16 system (Sophion Bioscience, Ballerup, Denmark) at room temperature. Data acquisition and analysis were performed in the Qassay software (ver. 5.6, Odense).

Voltage protocol and analysis of whole cell CIC-1 currents

To evoke CIC-1 currents in whole cell patches, the membrane potential was initially stepped from a holding potential of -30 mV to +60 mV for 100 ms and then to various test voltages (sweeps) ranging from +120 mV to -140 mV in steps of 20 mV for 300 ms. To obtain tail currents, the membrane potential was stepped to -100 mV after each test voltage for 300 ms and then relaxed to -30 mV for 2 sec between sweeps (Figure 3).

I N relationships for whole cell instant and steady state current amplitudes were obtained by plotting average current densities at the beginning and at the end of the 300 ms step against the membrane potential (Figure 4). In order to determine the relative overall open probability (P 0 ), the instantaneous tail currents were normalized to the maximal tail current obtained following the most positive voltage step and plotted against the test voltage. Plots of normalized tail currents from each whole cell patch were then fitted to a Boltzmann function allowing determination of half activation voltages (V 1/2 , Figure 5).

Solutions

For automated patch clamp experiments extracellular solutions contained: 2 mM CaCI 2 , 1 mM MgCI 2 , 10 mM HEPES, 4 mM KCI, 145 mM NaCI, 10 mM Glucose, pH adjusted to 7.4 with NaOH (2 M). Osmolality adjusted to -320 using sucrose.

Intracellular solutions contained: 80 mM CsF, 60 mM CsCI, 5/1 mM KOH/EGTA, 10 mM HEPES, 10 mM NaCI, pH adjusted to 7.2 with NaOH (2 M). Osmolality adjusted to -320 mOsm using sucrose.

Cell line information:

Cells used in patch clamp experiments were Chinese hamster ovary cells (CHO) constitutively expressing human CIC-1 channels. The amino acid sequence encoded by the cDNA used to create this cell line was identical to the translated sequence for GenBank accession number NM_000083.2. Cells were produced by Charles River (Catalogue CT6175, Cleveland OH, USA) in a cryopreserved format. Experiments were performed on the cells directly after thawing (3 x 10 6 cells used in each experiment).

Test protocol

To evaluate the compound effect on CIC-1 , when applied directly to the intracellular side of the cell membrane, the half activation voltage, V 1/2 , was determined from whole cell patches with compound added to the intracellular solution and then compared to V 1/2 determined from control cell patches with only vehicle added to the intracellular solution. Additionally, the effect of extracellular added compound was evaluated by determine V 1/2 and steady state current amplitudes before and after exchanging the extracellular solution to contain compound.

The difference in half activation voltage of CIC-1 channels, AV 1/2 , was determined as the difference between the cell patches treated intracellularly with compound and control cells patches and is reported in Table 4 below. A positive shift in AV 1/2 is reflecting CIC-1 channel inhibition by the tested compound. P-values of <0.05 is considered significant. Table 4: Percentage increase of initial force that was restored

Example 7: Measurement of In Situ Muscle Contractile Characteristics

Isometric hindlimb force was measured in 12-week old female Lewis rats in the presence and absence of compound.

Rats were placed under anesthesia with isoflurane (2-4%), intubated and subsequently connected to a micro ventilator (Microvent 1 , Hallowell EMC, US). Two stimulation electrodes were inserted through the skin to stimulate the sciatic nerve. A small incision was made proximal to the ankle, to expose the Achilles tendon, which was tied by cotton string, and connected to a force transducer (Fort250, World Precision

Instruments) with adjustable position (Vernier control). The Achilles tendon was then cut distal to the attached cotton string. The rat was placed on a heated pad, and to prevent movement artefacts from contraction of the ankle dorsiflexors, the foot was fixated by tape on a footplate.

Muscle contractile properties were assessed by applying an electrical current (under supramaximal voltage conditions) to the nerve and recording the force generated by the muscle. The muscle was stretched until maximal force was obtained, when assessed by 2 Hz stimulation. Isometric force was measured every 30 seconds at 12 Hz (Twitch), 10 pulses, and at every 5 minutes at 80 Hz (Tetanic) for 1 second (80 pulses). This stimulation pattern was employed throughout the experiment, expect in few cases where 80 Hz stimulation was replaced by 12 Hz (10 pulses). Neuromuscular transmission was partially inhibited by constant infusion of Cisatracurium (Nimbex, GlaxoSmithKline) at a concentration of 0.1 mg/kg at an adjustable infusion speed, adjusted individually for each animal to obtain a level of inhibition of ca. 50% of the forced generated at 12 Hz stimulation on the 4 th pulse. When the level of

neuromuscular inhibition was stable, the test article was injected i.v. at the chosen concentration. The effect of test article was assessed on its ability to increase force generated from the stimulation pattern applied. The effect was assessed in the ability to increase force per se (tetanic, 80 Hz, stimulation), and the ratio between individual twitch peaks (12 Hz stimulation). The effect was monitored for at least 1 hour after injection of test article. In addition, the time from injection of test article to maximal effect on force (both twitch and tetanic) was noted and the time for the effect to disappear (return to baseline), if possible. When appropriate the infusion of

neuromuscular blocking agent was ceased, with the stimulation pattern continued, and the return of force to control levels was monitored. Animals were sacrificed by cervical dislocation while still fully sedated.

Compound A-26 was dosed 40.0 mg/kg i.v. The average increase in tetanic force was 33.4% (2 experiments).

Compound A-31 was dosed 40.0 mg/kg i.v. The average increase in tetanic force was 34.1% (5 experiments).

Compound A-41 was dosed 40.0 mg/kg i.v. The average increase in tetanic force was 36.4% (2 experiments).

Compound A-44 was dosed 24.6 mg/kg i.v. The average increase in tetanic force was 46.2% (3 experiments).

Compound A-59 was dosed 49.2 mg/kg i.v. The average increase in tetanic force was 42.8% (2 experiments).

Compound A-64 was dosed 44.8 mg/kg i.v. The average increase in tetanic force was 57.7% (2 experiments).

Compound A-81 was dosed 26.5 mg/kg i.v. The average increase in tetanic force was 52.9% (2 experiments).

This demonstrates that compounds of the invention, such as Compounds A-26, A-31 , A-41 , A-44, A-59, A-64 and A-81 can restore force to muscles in vivo which have been partially inhibited by a neuromuscular blocker.