1-乙烯基-2,5-吡咯烷二酮 在
bis{rhodium[3,3'-(1,3-phenylene)bis(2,2-dimethylpropanoic acid)]} 、 C
17H
30N
2O
2*Cu
(2+)*2ClO
4(1-) 作用下,
以
二氯甲烷 为溶剂,
生成
dimethyl (2R,5R)-2-(4-chlorophenyl)-5-(2,5-dioxopyrrolidin-1-yl)dihydrofuran-3,3(2H)-dicarboxylate 、 dimethyl (2S,5S)-2-(4-chlorophenyl)-5-(2,5-dioxopyrrolidin-1-yl)dihydrofuran-3,3(2H)-dicarboxylate 、 dimethyl 2-(4-chlorophenyl)-5-(2,5-dioxopyrrolidin-1-yl)dihydrofuran-3,3(2H)-dicarboxylate