C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/540.3
C07C 323/44 (2006.01) C07D 233/54 (2006.01)
Patent
CA 1286319
CYANOGUANIDINE DERIVATIVE AND PROCESS FOR PREPARATION THEREOF Abstract Or the Disclosure The present invention provides a cyanoguanidine derivative which is a precursor for the synthesis of N- cyano-N'-methyl-N"-(2-{(5-methyl-1H-imidazol-4- yl)methylthio}ethyl)-guanidine (Cimetidine) or its related compound, which has an action of controlling secretion of acid in the stomach based on the histamine H2 receptor antagonism and is valuable as a drug for treating gastric ulcer. This cyanoguanidine derivative is prepared by reacting other cyanoguanidine derivative with a halogenating agent.
559042
Kihara Noriaki
Tan Hiroaki
Yokoyama Keiichi
Mitsui Chemicals Incorporated
Smart & Biggar
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