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