Patent ID: 7229981
Filing Date: 2007-06-12
Classification: C07B,C07C,C07D,C12P

Abstract:
1. A process for preparing (1S,4R)— or (1R,4S)-1-amino-4-(hydroxymethyl)-2-cyclopentene of the formula: or a salts thereof or a(1S,4R)— or (1R,4S)-1-amino-4-(hydroxymethyl)-2-cyclopentene derivatives of the general formula: or a salts thereof, in which X and Y are identical or different and providing that X and Y are an acyl group or H, with the exception of X=Y=H, comprising resolving the racemate of the formula into its separate enantiomers by chemical means using D-(−) or L-(+)-tartaric acid.