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Patent Searching and Data


Title:
PREPARATION OF ARYL(HOMO)PIPERAZINES
Document Type and Number:
Japanese Patent JPH0625201
Kind Code:
A
Abstract:

PURPOSE: To provide a method for preparing the subject compounds under the mild condition of reaction in the absence of toxic reagents using inexpensive staring materials.

CONSTITUTION: The compound of formula IV is obtained by reacting a compound of formula I [Ar is a (hetero)aryl, preferably phenyl, naphthyl, furyl, thienyl, pyridyl, bicyclic and tricyclic heteroaryl; Y is an OR10 (R10 is an alkyl, phenyl or the like), Cl, F, SO2R11 (R11 is OH, an alkyl or the like)] with a compound of formula II (M is a metal selected from among groups I or II; R12 is a halogen, alkoxy, alkanoyloxy, formula III; R is a bonding group, CO, CR8R9; R1-R3, R5-R9 are each H, an alkyl which may be substituted, phenylalkyl which may be substituted; R4 is H, an alkyl, aryl, arylalkyl, alkylsulfonyl, arylsulfonyl or the like) in a neutral and inert solvent at a temp. between room temp. and the refluxing temp. of the solvent.


Inventors:
UORUTAA TEN HEBE
JIYANTOJIE AARU JII TEIIKE
HANSU UINBERUGU
KURISU JII KURUZE
Application Number:
JP4993093A
Publication Date:
February 01, 1994
Filing Date:
February 17, 1993
Export Citation:
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Assignee:
DUPHAR INT RES
International Classes:
C07D213/74; C07D243/06; C07D243/08; C07D245/02; C07D295/02; C07D295/08; C07D295/12; C07D319/18; C07D333/36; (IPC1-7): C07D295/08; C07D213/74; C07D243/06; C07D245/02; C07D295/02; C07D295/12
Attorney, Agent or Firm:
Heiyoshi Odashima