N-苄叉苯胺   、                                                                                      
1-(4-Carboxymethyl-phenyl)-2-methyl-5-oxo-4,5-dihydro-1H-pyrrole-3-carboxylic acid ethyl ester                                                                                                                                                                                              以
                                                                                         
溶剂黄146                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以21%的产率得到1-(4-Carboxymethyl-phenyl)-2-methyl-5-oxo-4-(phenyl-phenylamino-methyl)-4,5-dihydro-1H-pyrrole-3-carboxylic acid ethyl ester