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Title:
【発明の名称】トレオ―2―ヒドロキシ―3―(2―アミノフェニルチオ)―3―(4―メトキシフェニル)プロピオン酸低級アルキルエステルの光学分割法
Document Type and Number:
Japanese Patent JP2873609
Kind Code:
B2
Abstract:
A process of spontaneous resolution of compounds of formula III (threo) wherein R has the meanings reported in the description, is described. The compounds of formula III are intermediates useful for the preparation of Diltiazem.

Inventors:
KURAUDEIO JORUDAANO
DARIO TENTORIO
ROBERUTO KASAGURANDO
PURASHIDO BAATEIN
BARERIANO MERURI
JORUJO SAGURAMORA
Application Number:
JP18925190A
Publication Date:
March 24, 1999
Filing Date:
July 16, 1990
Export Citation:
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Assignee:
ZANBON GURUUPU SPA
International Classes:
C07C319/20; C07C319/28; C07C323/56; C07B57/00; C07D281/10; A61K31/55; (IPC1-7): C07C323/56; C07C319/20; C07C319/28
Attorney, Agent or Firm:
Takeo Ito