C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
195/131, 195/34.
C12P 7/40 (2006.01) A61K 31/19 (2006.01) C07C 57/30 (2006.01) C07C 59/64 (2006.01) C12N 1/14 (2006.01) C12N 1/16 (2006.01)
Patent
CA 1314012
ABSTRACT. Process for the preparation of 2-arylpropionic acids. A process for the preparation of a pharmaceutically active compound in a stereospecific form of the formula Image (I) or a pharmaceutically acceptable salt or ester thereof, for example an alkali metal salt or an alkaline earth metal salt or a pivaloyl ester, wherein R1 represents an optionally substituted aryl group such as a phenyl or naphthyl group, optionally included in a heterocyclic ring system, which is optionally substituted, or represents a heteroaromatic ring system optionally containing in addition to carbon atoms one or more atoms selected from the group consisting of nitrogen, sulphur and oxygen, this ring system being optionally substituted, which comprises subjecting a compound of the formula Image (II) to the action of a micro-organism having the ability for stereoselective oxidation of compound (II) into compound (I), having at least 70% by weight the S-configuration, and if desired converting compound (I) into a pharmaceutically acceptable salt or ester thereof.
511059
Bertola Mauro Attilio
Koger Hein Simon
Marx Arthur Friedrich
Matcham George William John
Phillips Gareth Thomas
Gist - Brocades N.v.
Osler Hoskin & Harcourt Llp
Shell Internationale Research Maatschappij B.v.
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