The compounds are ethylene derivatives which are inhibitors of histamine activity, in particular, inhibitors of H-2 histamine receptors. A compound of this invention is 1-nitro-2-[2-((4-methyl-5-imidazolyl)methylthio)ethylamino]-2-[2-((3-chlor o-2-pyridyl)methylthio)ethylamino]ethylene.
The present invention is directed to a process for the displacement of the acetoxy group of a cephalosporanic acid by a sulfur nucleophile, in an organic solvent and under essentially anhydrous conditions.
本发明涉及一种在有机溶剂和基本无水条件下,通过硫亲核试剂取代头孢菌酸中的乙酰氧基的过程。
Imidazole alkylaminoethylene compounds
申请人:Smith Kline & French Laboratories Limited
公开号:US04046907A1
公开(公告)日:1977-09-06
The compounds are ethylene derivatives which are inhibitors of histamine activity, in particular, inhibitors of H-2 histamine receptors. A compound of this invention is 1-nitro-2-methylamino-2-[2-((4-methyl-5-imidazolyl)methylthio)-ethylamino] ethylene.