HETEROCYCLICALLY SUBSTITUTED PIPERAZINOALKYLBENZOXAZINE AND PIPERAZINOLKYLBENZOTHIAZINE COMPOUNDS, PROCESSES FOR PREPARING THEM, AND MEDICAMENTS CONTAINING THEM

摘要

Pharmacologically active compounds corresponding to the general formula I which are optionally substituted in the benzene ring and in which X denotes oxygen or sulfur, Y denotes oxygen or sulfur, R1 denotes hydrogen or lower alkyl, n is an integer from 0 to 4, and R4 is an optionally substituted 6-membered unsaturated heterocycle containing 1 or 2 nitrogen atoms not directly bonded to the piperazine ring, and physiologically acceptable acid addition salts thereof.