Process to prepare n-cyano-n'-methyl-n"-(2-¬(4-...

Details Process to prepare n-cyano-n'-methyl-n"-(2-¬(4-... Process to prepare n-cyano-n'-methyl-n"-(2-¬(4-...

C - Chemistry, Metallurgy

07

D

260/314

C07D 233/64 (2006.01) C07C 279/28 (2006.01) C07C 323/44 (2006.01) C07D 233/54 (2006.01)

Patent

CA 1209153

ABSTRACT A process for preparing N-cyano-N'-methyl-N"-?2-[(4-methyl-5- imidazolyl)-methylthio]-ethyl) guanidine of the formula Image characterized in that 4-thiomethyl-5-methyl imidazole is reacted with N-cyano-N'-methyl-N"-(2-chloroethyl) guanidine in a two-phase system under the conditions of phase transfer catalysis. The compound is an extraordinarily efficient antagonist of hystamine on H2 receptors. It has a hindering effect upon basal as well as stimulated secretion of gastric acid and pepsin.

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