A process for the preparation of 5-substituted 5,10-dihydro-11H-dibenzo (b, e) (1,4) diazepin-11-ones or 11-substituted 5, 11-dihydro-6H-pyrido (2,3-b ) (1,4) benzodiazepin-6-ones or acid addition salts thereof.

摘要

Compounds of the formula WHEREIN R1 is hydrogen or alkyl of one to four carbon atoms, R2 and R3 are each hydrogen or halogen, Y is nitrogen or -CH-, and A is alkylene of one to two carbon atoms, AND THEIR NON-TOXIC, PHARMACOLOGICALLY ACCEPTABLE ACID ADDITION SALTS; THE COMPOUNDS AS WELL AS THEIR SALTS ARE USEFUL AS ULCER INHIBITORS AND STOMACH JUICE SECRETION INHIBITORS IN WARM-BLOODED ANIMALS.