analogifremgangsmåde for the manufacture of 5 - substituted 5,10 - dihydro - 11h dibenzo (b, e) (1,4) diazepine - 11 - structions or 11 - substituted 5, 11 - dihydro - 6h pyrido (2,3-b) (14) benzodiaz

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.