(3aS,6aS)-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,
反应 0.02h,
生成 (3S,3aR,6aS)-3-Chloro-5-(3,4-dimethyl-phenyl)-6a-methyl-4,6-dioxo-3,3a,4,5,6,6a-hexahydro-pyrrolo[3,4-c]pyrazole-3-carboxylic acid methyl ester 、 ethyl exo-4-chloro-1-methyl-6,8-dioxo-7-(4-tolyl)-2,3,7-triazabicyclo[3.3.0]oct-2-ene-4-carboxylate