5-(3,4-Dimethyl-phenyl)-6a-methyl-4,6-dioxo-1,3a,4,5,6,6a-hexahydro-pyrrolo[3,4-c]pyrazole-3-carboxylic acid methyl ester 在
氯 作用下,
以
氯仿 为溶剂,
120.0 ℃
、2.67 kPa
条件下,
生成 (1S,5R,6S)-6-Chloro-3-(3,4-dimethyl-phenyl)-1-methyl-2,4-dioxo-3-aza-bicyclo[3.1.0]hexane-6-carboxylic acid methyl ester