Abstract New lactones are obtained as by-products during the Friedel-Crafts cyclization of N-arylmethyl pyroglutamoyl chlorides. A mechanism based on N-acyliminium salts is proposed to explain their formation.
摘要 在N-芳甲基焦谷
氨酰
氯的Friedel-Crafts环化过程中,副产物得到了新的内酯。提出了一种基于 N-acyliminium 盐的机制来解释它们的形成。