Process for the preparation of 2-arylpropionic acids

Abstract From the Canadian patent

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 (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 …