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WO/2023/204066A9 |
Disclosed is a method for producing a compound represented by formula (3), the method comprising step A for reacting a compound represented by formula (1) with a compound represented by formula (2) in the presence of at least one selecte...
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WO/2023/236938A1 |
Disclosed is a process for separating and purifying a by-product 2-chloroethyl n-butyl ether in a production process of tris(2-butoxyethyl)phosphate, comprising the following steps: adding titanium tetrachloride into recovered ethylene g...
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WO/2023/238906A1 |
A fluorine-containing ether compound represented by R1-[B]-[A]-CH2-R2[-CH2-R3-CH2-R2]z-CH2-[C]-[D]-R4 ([A] is formula (2-1). [B] is formula (2-2). [C] is formula (3-1). [D] is formula (3-2). R4 is formula (4). R1 is a terminal group that...
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WO/2023/233774A1 |
The diallyl-containing fluoropolyether compound is represented by general formula [I] (wherein b is an integer equal to or greater than 2, a and c are integers wherein a+c = 28 or less, and a and c can be 0). Reacting a polyfluoropolyeth...
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WO/2023/227069A1 |
The present invention relates to use of polidocanol with a single molecular weight in the preparation of a drug for treating disease. The polidocanol can serve as a curing agent and/or a hemostatic agent for treatment. The polidocanol wi...
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WO/2023/224095A1 |
This fluorine-containing ether compound is represented by the following formula. R1-R2-CH2-R3[-CH2-R4-CH2-R3]x-CH2-R5-R6 (where R1 and R6 are organic groups having 1-50 carbon atoms, R2 is formula (2-1) or (2-2), R5 is formula (2-3) or (...
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WO/2023/221981A1 |
Taxamairin and analogs thereof useful in the treatment of inflammatory diseases or conditions, such as inflammatory bowel disease, pharmaceutical compositions including the same, and methods of use and preparation thereof.
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WO/2023/222895A1 |
Organically bound nitrogen is removed from an ethylenically unsaturated alcohol stream by contacting the alcohol stream with a weakly acidic solid adsorbent. Trace amounts of organically bound nitrogen tend to poison the oxidation cataly...
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WO/2023/224093A1 |
This fluorine-containing ether compound is represented by the following formula. R1-CH2-R2[-CH2-R3-CH2-R2]x-CH2-R4 (Where: R1 and R4 are terminal groups which include 2 or 3 polar groups, in which each polar group bonds to a different ca...
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WO/2023/217810A1 |
The invention relates to a process for purifying a raw C4-hydrocarbon mixture comprising at least 2 % by weight of isobutene, at least 23 % by weight of butenes other than isobutene, less than 3 % by weight of butadienes, at least 1.5 pp...
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WO/2023/217408A1 |
The invention relates to a method (100) for preparing dimethyl ether, in which a synthesis gas containing the reactants carbon monoxide and/or carbon dioxide and hydrogen is fed with partial reaction of the reactants and formation of met...
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WO/2023/210731A1 |
Provided are: 1,1,1,5,5,5-hexafluoro-3-(2,2,2-trifluoroethoxy)-2-pentene which is a new compound; and a use application and a production method for the new compound. The present invention provides 1,1,1,5,5,5-hexafluoro-3-(2,2,2-triflu...
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WO/2023/210632A1 |
Provided is a production device, the state of which can be monitored immediately. The production device (10) is for obtaining, through chemical reaction or purification, a target product from at least one raw material of liquid or gas, a...
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WO/2023/208837A1 |
The present invention relates to oligomeric binaphtyl compounds of the formula (I) that are suitable as monomers for preparing thermoplastic resins, such as polycarbonate resins, which have beneficial optical and mechanical properties an...
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WO/2023/204189A1 |
Provided is a method for producing a composition containing a purified fluorine-containing ether compound. A method for producing a composition containing a purified fluorine-containing ether compound, said fluorine-containing ether co...
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WO/2023/199851A1 |
Provided are: a semiconductor substrate manufacturing method using a resist underlayer film-forming composition from which it is possible to form a film having excellent etching resistance, heat resistance, and bending resistance; a comp...
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WO/2023/195346A1 |
[Problem] To provide: a novel ultraviolet absorbent which has excellent absorption with respect to UV-A or UV-B and specifically absorbs only ultraviolet light that has a specific wavelength, while being able to be used widely; and an ul...
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WO/2023/195546A1 |
This compound is represented by formula (1): (in the formula: RG is a group that includes at least one cyclic structure; I is an iodine atom; R1 moieties may be the same as, or different from, each other, and are each a monovalent functi...
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WO/2023/193950A1 |
The invention relates to a method (100) for preparing dimethyl ether, in which method a synthesis gas containing the reactants carbon monoxide and/or carbon dioxide and hydrogen is passed through a synthesis reactor (10) in a flow direct...
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WO/2023/176736A1 |
The present invention addresses the problem of providing a novel bisphenol compound that has a further improved refractive index. Provided is a 1,3-bis(1-methyl-1-phenylethyl)benzene compound represented by general formula (1).
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WO/2023/177194A1 |
The present invention relates to novel compounds based on the meta-substitution of 2',4'-dihydroxy-6'-methoxy-3',5'-dimethylchalcone (DMC). According to the present invention, novel DMC derivatives that are meta-substituted using cheap p...
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WO/2023/171797A1 |
Provided are: a pigment-containing composition capable of suppressing pigment fading by inhibiting pigment degradation; and an ink using said composition. The pigment-containing composition comprises: a pigment capable of absorbing or ...
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WO/2023/164877A1 |
The present application provides a fullerene derivative. The fullerene derivative has a C60 fullerene group and groups of compounds of formula (1), formula (2), and/or formula (3) linked to the C60 fullerene group, wherein the compounds ...
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WO/2023/167321A1 |
The present invention addresses the problem of providing mechanochemical reaction additive that can be handled in air, that can be easily synthesized, that when used in a mechanochemical reaction can increase the activity of the mechanoc...
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WO/2023/160035A1 |
A β-elemene vinylation coupled derivative, and a preparation method therefor and the use thereof in the preparation of an antitumor drug. Provided are a β-elemene vinylation coupled derivative having a structure as represented by formu...
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WO/2023/157862A1 |
Provided is a method for producing α-fluoroether starting from an inactivated chloride. Disclosed is a method for producing a compound represented by formula (3), the method comprising step A in which a compound represented by formula (...
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WO/2023/157909A1 |
Provided is a novel method for producing a diarylacetylene derivative. An alkyne derivative having aryl substituents at both ends is provided by subjecting a tetrahalogenated ethylene and phenylboronic acid to a cross-coupling reaction...
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WO/2023/153933A1 |
The invention relates to the electrochemical synthesis of oxymethylene dimethyl ethers via paired electrolysis.
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WO/2023/149432A1 |
The objective of the present disclosure is to provide a composition with a stabilized fluorine-containing monomer, a method for stabilizing a fluorine-containing monomer, etc. The present disclosure relates to the following composition...
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WO/2023/147665A1 |
The present disclosure relates to compositions for improving gut health and/or milk production in ruminants, comprising: at least one organic acid chosen from sorbic acid, fumaric acid, malic acid, lactic acid, citric acid, formic acid, ...
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WO/2023/149559A1 |
[Problem] The present invention provides a catalyst for hydrogenation reactions, the catalyst having excellent catalyst durability and being capable of selectively hydrogenating only some functional groups and/or unsaturated bonds of an ...
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WO/2023/142240A1 |
Disclosed is a preparation method for an SGLT2 inhibitor intermediate V, the method comprising: adding a compound IV to a solvent, and in the presence of a catalytic reagent, carrying out heat preservation reaction with a fluorination re...
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WO/2023/142238A1 |
SGLT2 inhibitor intermediate V-1 and the use thereof. The present invention specifically relates to an intermediate as represented by formula V-1 and the use thereof in the preparation of an SGLT2 inhibitor. The intermediate and a method...
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WO/2023/137675A1 |
Disclosed in the present invention is the use of a nickel/ketone dual-catalysis system in a cross-coupling reaction of aryl halide and sodium arylsulfinate. Specifically, in a nitrogen atmosphere, aryl halide, sodium arylsulfinate, nicke...
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WO/2023/134406A1 |
The present invention relates to the technical field of organic synthesis, in particular to a preparation method for veratrole. Veratrole is prepared by replacing sodium hydroxide with lithium hydroxide and by using catechol as a raw mat...
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WO/2023/134240A1 |
Disclosed in the present invention are lignan compounds from Eucommiae folium, a preparation method therefor and the use in neuroprotection. The lignan compounds from Eucommiae folium produce antioxidant proteins by means of regulating a...
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WO/2023/134145A1 |
The present invention provides a preparation method for a tivozanib key intermediate compound of formula I, 2-chloro-4-((6,7-dimethoxyquinolin-4-yl)oxy)-aniline. Compound of formula VI, 4-chloro-6,7-dimethoxyquinoline and compound of for...
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WO/2023/131849A1 |
A composition comprising a mixture of two or more stereoisomers of a synthetic charged isoprenoid glycolipid of Formula (I), or a pharmaceutically acceptable salt thereof, in which n is 0 or 1, R and R' are independently hydrogen or hydr...
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WO/2023/128638A1 |
The present invention relates to an anthracene derivative compound having a characteristic structure in which an aliphatic aromatic mixed ring group is substituted, and to an organic light-emitting device comprising same. The present inv...
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WO/2023/127331A1 |
One problem to be addressed by the present invention is to provide: a protecting group removing method capable of suppressing generation of double-hit bodies and diketopiperazine, easily scavenging a fulvene backbone-including compound t...
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WO/2023/122495A1 |
A supercritical ethylene extraction process for selectively recovering a phenolic compound from bio-crude and/or bio-oil comprises providing a reactor containing bio-crude and/or bio-oil, wherein the reactor has an operating pressure, in...
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WO/2023/116663A1 |
The present invention provides a method for synthesizing tyloxapol of formula (I), comprising the following steps: first reacting p-tert-octylphenol of formula (III) with formaldehyde under alkaline conditions to obtain 2,5-dimethylol p-...
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WO/2023/111567A1 |
A process for recovering 2-methoxyethanol from a waste water stream comprising water and 2-methoxyethanol is disclosed. The process comprises: passing the waste water stream and a solvent to an extractive distillation zone; recovering fr...
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WO/2023/111006A1 |
The present invention relates to enol ether compounds of formula (I) as properfume compounds. In particular, the present invention relates to a method to release a compound being an aldehyde compound of formula (II), a formate ester of f...
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WO/2023/108677A1 |
Provided is a method for preparing 2-(2,4,6-trichlorophenoxy)ethyl chloride. An organic base is mixed with an organic system of 2,4,6-trichlorophenol and dichloroethane, wherein the organic base, as a first material, can promote the diss...
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WO/2023/110270A1 |
The present application is directed to a polythiol compound obtainable independently from a) eugenol, b) gallic acid, c) the adduct of guaiacol and vanillin or d) resveratrol and, respectively, having the general Formula VIA, VIB, VIC or...
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WO/2023/111125A1 |
Method of making Buprenorphine comprising a Grignard reaction, comprising step (A): (A) performing the Grignard reaction in the presence of a compound of formula IIIa or IIIf R1-[O-CHR2-CHR3]n-OR4 IIIa wherein n is an integer in the rang...
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WO/2023/104328A1 |
The invention relates to a reactor (200, 300, 400) for catalytically producing secondary methanol products, in particular dimethyl ether, from syngas. The reactor is designed in the form of a tube bundle reactor comprising a tube bundle ...
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WO/2023/103611A1 |
The present invention belongs to the field of the synthesis of fine chemical intermediates, and discloses a bromopyrene intermediate and derivatives thereof, a preparation method, and use. The bromopyrene intermediate has a molecular str...
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WO/2023/106356A1 |
The present invention addresses the problem of providing a method for producing a peptide compound at a high yield, a reagent for forming a protective group at a high yield, and a novel substituted benzyl compound. The present invention ...
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