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苄胺、苯胺以及其他伯、仲胺,在5 mol%质子型离子液体N-丁基-2-甲基咪唑三氟乙酸盐存在下,不加其他溶媒,于70℃与1.4倍的85%甲酸反应1～3 h,生成相应的甲酰胺。13例收率超过80%。
Benzylamine, aniline and other primary and secondary amines without any other solvent in the presence of 5 mol% protic ionic liquid N-butyl-2-methylimidazolium trifluoroacetate at 70 ℃ with 1.4 times of 85 % Formic acid reaction 1 ~ 3 h, generating the corresponding formamide. 13 cases of more than 80% yield.