3-Nitro pyrrole compounds, processes for preparing them and pharmaceutical compositions containing them
申请人:SMITH KLINE & FRENCH LABORATORIES
LIMITED
公开号:EP0005985A1
公开(公告)日:1979-12-12
This invention relates to nitro compounds which show activity as histamine H2-receptor antagonists. The compounds of the invention are of Structure
where Het is an optionally substituted 5- or 6- membered fully-unsaturated heterocycle containing at least one nitrogen atom, or a furan or thiophene ring substituted by a substituted or unsubstituted aminoalkyl group; Z is sulfur, methylene or oxygen, m is 0, 1 or 2, n is 2 or 3 with m + n being 3 or 4; R3 is hydrogen or various substituents; and R" is hydrogen or lower alkyl; and acid addition salts thereof. The compounds can be prepared by condensing appropriate moieties containing the Het and pyrrole portions of the desired product. The compositions of the invention contain at least one of the compounds of the invention, and a pharmaceutical carrier.