Title:
【発明の名称】HPBエステルの製造方法
Document Type and Number:
Japanese Patent JP2002509906
Kind Code:
A
Abstract:
This invention relates to a novel advantageous process for the stereoselective preparation of 2-hydroxy-4-phenylbutyrates (HPB esters) and of their precursors. This is done by starting from readily accessible alpha-unsaturated alpha-hydroxy-gamma-keto esters which can be prepared by Claisen condensation.
Inventors:
Studer, Martin
Herolt, peter
Indreise, adriano
Burghart, Stephan
Herolt, peter
Indreise, adriano
Burghart, Stephan
Application Number:
JP2000541133A
Publication Date:
April 02, 2002
Filing Date:
March 22, 1999
Export Citation:
Assignee:
Ciba Specialty Chemicals Holding Incorporated
International Classes:
C07B61/00; C07C59/245; C07C67/303; C07C67/31; C07C67/317; C07C69/716; C07C69/732; C07C69/738; C07C221/00; C07C225/16; C07C51/36; (IPC1-7): C07C51/36; C07C59/245; C07C67/303; C07C67/317; C07C69/716; C07C69/732; C07C69/738; C07C221/00; C07C225/16
Attorney, Agent or Firm:
Hajime Tsukuni (1 person outside)