benzyl amino-(3-cyano-phenyl)-acetate   、                                                                                      3-methyl-4-(pyrrolidin-1-carbonyl)-benzoic acid, O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate                                                                                                                                                              在
                                                                                                                                                                                 
N-甲基吗啉                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
N-甲基乙酰胺                                                                                  为溶剂,
                                                                                                                                                                                        以93%的产率得到benzyl (3-cyano-phenyl)-{[3-methyl-4-(pyrrolidin-1-yl-carbonyl)-phenyl]-carbonylamino}-acetate