NOVEL MERCAPTOACETYLAMIDO PYRIDAZO1,2PYRIDAZINE, PYRAZOLO1,2PYRIDAZINE, PYRIDAZO1,2-a1,2DIAZEPINE AND PYRAZOLO1,2-a1,2DIAZEPINE DERIVATIVES USEFUL AS INHIBITORS OF ENKEPHALINASE AND ACE

摘要

The present invention relates to certain novel mercaptoacetylamido pyridazo[1,2]pyridazine, pyrazolo[1,2]pyridazine, pyridazo[1,2- a] [1,2]diazepine and pyrazolo[1,2- a ][1,2]diazepine derivatives useful as inhibitors of enkephalinase and of ACE.