O-methyl (S-methyl-N-methylsulfonylsulfinimidoyl)methanethioate 、
2-(((5-甲基-1H-咪唑-4-基)甲基)硫代)乙胺 、
甲胺 、
乙醇 在
ice water 、
水 作用下,
反应 6.0h,
以afforded N-methanesulphonyl-N'-methyl-N"-[2-((4-methyl-5-imidazolyl)methylthio)ethyl]guanidine (12.7 g.), m.p. 133°-134° (from water)的产率得到N-[1-Methylamino-1-[2-(5-methyl-3H-imidazol-4-ylmethylsulfanyl)-ethylamino]-meth-(E)-ylidene]-methanesulfonamide