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