dimethyl 3-(4-chlorophenyl)-5-hydroxy-1,2-diphenylpyrrolidine-2,5-dicarboxylate 在
柠檬酸 作用下,
以
甲苯 为溶剂,
生成 (2R*,3R*)-dimethyl 3-(4-chlorophenyl)-2,3-dihydro-1,2-diphenyl-1H-pyrrole-2,5-dicarboxylate 、
(2S*,3R*)-dimethyl 3-(4-chlorophenyl)-2,3-dihydro-1,2-diphenyl-1H-pyrrole-2,5-dicarboxylate