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新型己内酰胺质子酸性离子液体的红外光谱表征

张世国;杜正银;邓友全

  Acidic ionic liquids possessed unique physicochemical properties have been used as catalysts and media in many conventional acid-catalyzed reactions. In this present work, caprolactam-based Brnsted acidic ionic liquid was synthesized by the controlled combination of Brnsted acid-HX, (X=BF4-, HSO4-, CH3COO-) with an organic base-caprolactam. Detailed investigations of this ionic liquid and the mechanistic aspect of the Beckmann rearrangement catalyzed in this ionic liquid were conducted by means of spectroscopy.……   
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