4-(1,4-dioxa-spiro[4.5]dec-8-yl)-benzylamine   、                                                                                      
4-(4'-trifluoromethyl-biphenyl-2-carbonylamino)-1-methyl-imidazol-2-carboxylic acid   、                                                                                      
1-丙基磷酸酐                                                                                                                                                              在
                                                                                                                                                                                 
N-甲基吗啉                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                                                        以67%的产率得到N-[4-(1,4-dioxa-spiro[4.5]dec-8-yl)-phenylmethyl]-4-(4'-trifluoromethylbiphenyl-2-carbonylamino)-1-methyl-imidazole-2-carboxylic acid amide