dibenzyl 5,6,7,8-tetrahydro-2,11,4,9-propane-1,3-diylidene-1,6,7,12-benzotetra-azacyclotetradecine-6,7-dicarboxylate                                                                                                                                                              在
                                                                                                                                                                                 
氢溴酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
溶剂黄146                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                以40 mg的产率得到benzyl 5,6,7,8-tetrahydro-2,11,4,9-propane-1,3-diylidene-1,6,7,12-benzotetra-azacyclotetradecine-6-carboxylate