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Br(?)nsted acidic ionic liquids based on imidazolium cation were employed as a series of environmentally benign catalysts and mediums in the alcoholysis of acetonitrile to synthesize ester.The results showed that Br(?)nsted acidic ionic liquid [HSO_3- pmim]HSO_4 was an efficient catalyst and medium for the alcoholysis of acetonitrile which could be recycled easily without obvious decline in catalytic activity,the highest yield could reach 85%.
Br (?) Nsted acidic liquid liquids based on imidazolium cation were employed as a series of environmentally benign catalysts and mediums in the alcoholysis of acetonitrile to synthesize ester. The results showed that Br (?) Nsted acidic ionic liquid [HSO_3- pmim] HSO_4 was an efficient catalyst and medium for the alcoholysis of acetonitrile which could be recycled easily without obvious decline in catalytic activity, the highest yield could reach 85%.