PROCESS FOR THE STEREOSELECTIVE SYNTHESIS OF 3-SUBSTITUTED 2-THIOMETHYL PROPIONIC ACIDS

PCT No. PCT/EP93/02673 Sec. 371 Date May 15, 1995 Sec. 102(e) Date May 15, 1995 PCT Filed Sep. 30, 1993 PCT Pub. No. WO94/00789 PCT Pub. Date Apr. 14, 1994Process for the stereoselective synthesis of 3-substituted 2-thiomethylpropionic acids Compounds of the formula I I in which R1 and R2 are as def...

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Bibliographic Details
Main Authors KAMMERMEIER,BERNHARD, BECK,GERHARD, HOLLA,WOLFGANG
Format Patent
LanguageEnglish
Published 30.10.1995
Edition5
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:PCT No. PCT/EP93/02673 Sec. 371 Date May 15, 1995 Sec. 102(e) Date May 15, 1995 PCT Filed Sep. 30, 1993 PCT Pub. No. WO94/00789 PCT Pub. Date Apr. 14, 1994Process for the stereoselective synthesis of 3-substituted 2-thiomethylpropionic acids Compounds of the formula I I in which R1 and R2 are as defined can be prepared stereoselectively by reaction of acrylic acid or derivatives thereof or propionic acid or derivatives thereof with a chiral auxiliary, reaction with a mercaptan, stereoselective alkylation and subsequent hydrolysis and oxidation.
Bibliography:Application Number: HU19950000953