Production of N-arylhalopyrrolidones by intramolecular cyclization of an α-halogen-N-2-alkenylamtde is conducted in the presence of a copper-containing catalyst and a primary or secondary aliphatic amine.
在含
铜催化剂和伯、仲脂肪胺存在下,通过α-卤代-N-2-烯基酰胺的分子内环化反应生产 N-芳基卤代
吡咯烷酮。