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Title:
NEW 2,3-DISUBSTITUTED CYCLOPENTANONE DERIVATIVE AND ITS USE
Document Type and Number:
Japanese Patent JPH11100344
Kind Code:
A
Abstract:

To obtain the subject new compound that has the action of differentiation acceleration of nerve cells and is useful as a pharmaceutical, for example, a differentiation acceleration agent for nerve cells, a central nerve disorder treatment agent and a peripheral nerve disorder treatment agent.

This is a compound of formula I[X is O, S, SO; Y is a (substituted) 7-20C aliphatic hydrocarbon; Z is carboxy, sulfonic acid, phosphoric acid and the like], typically (1R,2S)-2-[(2R)-{2-acetylamino-3-oxo-3-(1- pyrrolidinyl)}-propylthio]methyl-3-oxo-1-cyclopentanecarboxylic acid. The compound of the formula I is prepared by condensation reaction between a compound of formula II (U is an eliminable group; Z' is the same as Z) and a compound of the formula: HX2-Y' (X2 is S, O, NH; Y' is the same as Y) in the presence of a base as sodium hydroxide preferably in a solvent as acetone at 0-100°C.


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Inventors:
SAITO SEIICHI
NAGAI MASASHI
MORINO TOMIO
SATOU SATOMICHI
Application Number:
JP1830698A
Publication Date:
April 13, 1999
Filing Date:
January 16, 1998
Export Citation:
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Assignee:
NIPPON KAYAKU KK
International Classes:
C07D295/18; A61K31/40; A61K31/4406; A61K31/4425; A61K31/445; A61K31/495; A61K31/535; A61K31/5375; A61P25/00; C07C49/517; C07C69/24; C07C233/31; C07C317/44; C07C323/53; C07C323/57; C07D207/16; C07D213/52; C07F9/09; (IPC1-7): C07C49/517; A61K31/40; A61K31/445; A61K31/495; A61K31/535; C07C69/24; C07C233/31; C07C317/44; C07C323/53; C07C323/57; C07D207/16; C07D213/52; C07D295/18; C07F9/09