A method for preparing 1-(4-methanesulfonamidophenoxy)-2-[N-(4-methanesulfonamidophenethyl)-N-methylamino]ethane (Dofetilide) of formula I by sulfonylation of 1-(4-aminophenoxy)-2-[N-(4-aminophenethyl)-N-methylamino]ethane of formula II with N-methylsulfonyl-N′-methylimidazolium chloride of formula III.
一种通过式Ⅱ的1-(4-
氨基苯氧基)-2-[N-(4-甲磺酰胺基苯基乙基)-N-甲基
氨基]
乙烷与式Ⅲ的N-甲磺酰基-N′-甲基
咪唑鎓
氯化物磺酰化制备式Ⅰ的1-(4-甲磺酰胺基苯氧基)-2-[N-(4-
氨基苯基乙基)-N-甲基
氨基]
乙烷(
多非利特)的方法。