3,3'-[4,4'-biphenyldiylbis(2-oxo-2,1-ethanediyl)] 2,2'-bis(phenylmethyl) (3S,3'S)bis(-8-oxa-2-azaspiro[4.5]decane-2,3-dicarboxylate)                                                                                                                                                              在
                                                                                                                                                                                 ammonium acetate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
1,4-二氧六环                                                                                  为溶剂,
                                                                                                                                                    反应 18.0h,
                                                                                                                以100%的产率得到bis(phenylmethyl) (3S,3'S)-3,3'-[4,4'-biphenyldiylbis(1H-imidazole-4,2-diyl)]bis(8-oxa-2-azaspiro[4.5]decane-2-carboxylate)