BIS-DICARBOXYLIC ACID SALTS OF BENAZEPRIL AND PREPARATION OF BENAZEPRIL VIA THESE SALTS

摘要

Dicarboxylic acid salts of compounds of the formula (II) wherein R represents a selectively removable protecting group; and (S) denotes the (S)-configuration of the asymmetric carbon atoms, which are useful as intermediates for the preparation of benazepril or pharmaceutically acceptable salts thereof.