Piperazinophenyl- and piperazinophenyloxycarboxylic acid derivatives, and processes and intermediates for their preparation and pharmaceutical compositions comprising them

摘要

Compounds having fibrinogen receptor-antagonistic activity, of the general formula I <IMAGE> in which Z is oxygen or a methylene group, B is a phenyl or pyridyl radical, R1 is hydrogen or a group forming a biolabile ester, and their physiologically acceptable acid addition salts and physiologically acceptable salts of acids of formula I.