Patent ID: 7723531
Filing Date: 2010-05-25
Classification: C07D

Abstract:
1. A process for preparing a (1R, 2S, 5S) salt of Formula IA or a (1S, 2R, 5R) salt of Formula IaA: wherein R represents an alkyl, substituted alkyl, aryl, substituted aryl, aralkyl substituted aralkyl, cycloalkyl, or substituted cycloalkyl group; “Xd” is selected from D-DTTA (di-p-toluoyl-D-tartaric acid) and D-DBTA (dibenzoyl-D-tartaric acid), and “XI” is selected from L-DTTA (di-p-toluoyl-L-tartaric acid) and L-DBTA (dibenzoyl-L-tartaric acid), said process comprising: