(3aS,6aS)-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,
反应 0.02h,
生成 (3S,3aR,6aS)-5-(4-Bromo-phenyl)-3-chloro-6a-methyl-4,6-dioxo-3,3a,4,5,6,6a-hexahydro-pyrrolo[3,4-c]pyrazole-3-carboxylic acid methyl ester 、 (3R,3aR,6aS)-5-(4-Bromo-phenyl)-3-chloro-6a-methyl-4,6-dioxo-3,3a,4,5,6,6a-hexahydro-pyrrolo[3,4-c]pyrazole-3-carboxylic acid methyl ester