Process for purification of N-cyano-N'-methyl-N''-[2-((5-methyl-1H-imidazol-4-yl)methylthio)ethyl]guanidine
申请人:MITSUI PETROCHEMICAL INDUSTRIES, LTD.
公开号:EP0317131A1
公开(公告)日:1989-05-24
A process for the purification of N-cyano-N′-methyl-N˝-[2-(5-methyl-1H-imidazol-4-yl)methylthio}ethyl)guanidine, which comprises bringing a crude product of N-cyano-N′-methyl-N˝-[2-(5-methyl-1H-imidazol-4-yl)methylthio}ethyl]guanidine into contact with activated carbon in water in the presence of an organic acid.
一种提纯N-
氰基-N′-甲基-N˝-[2-(5-甲基-
1H-咪唑-4-基)甲
硫基}乙基]
胍的工艺、其中包括在有机酸存在下,使 N-
氰基-N′-甲基-N˝-[2-(5-甲基-
1H-咪唑-4-基)甲
硫基}乙基]
胍的粗产品在
水中与
活性炭接触。