3-NITRO PYRROLE COMPOUNDS,PROCESSES FOR PREPARING THEM AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM

摘要

3-Nitro-2-substituted aminopyrroles are histamine H2-receptor antagonists. The 2-position substituent is a fully-unsaturated heterocyclyl alkyl group preferably with with alkyl group interrupted by sulfur or oxygen. The 4- and 5-positions of the pyrrole ring can also be substituted.