Using TBAB as phase transfer catalyst, N benzoyl caprolactam was synthesized from benzoyl chloride and caprolactam in cyclohexane.

• 四丁基溴化铵(TBAB)为相转移催化剂、环己烷为溶剂,用己内酰胺和苯甲酰氯合成了N-苯甲酰基己内酰胺。