5-(4-Chloro-phenyl)-6a-methyl-4,6-dioxo-1,3a,4,5,6,6a-hexahydro-pyrrolo[3,4-c]pyrazole-3-carboxylic acid methyl ester 在
N-碘代丁二酰亚胺 作用下,
以
溶剂黄146 为溶剂,
反应 0.5h,
生成 (1S,5R,6S)-3-(4-Chloro-phenyl)-6-iodo-1-methyl-2,4-dioxo-3-aza-bicyclo[3.1.0]hexane-6-carboxylic acid methyl ester 、 (1S,5R,6R)-3-(4-Chloro-phenyl)-6-iodo-1-methyl-2,4-dioxo-3-aza-bicyclo[3.1.0]hexane-6-carboxylic acid methyl ester