5-(4-Bromo-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 Methyl 1-methyl-3-p-bromophenyl-6-chloro-2,4-dioxo-3-azabicyclo[3.1.0]hexane-exo-6-carboxylate