N,N'-bis<4-(methoxycarbonylmethyl)phenyl>-1,12-diaminododecane 、
trans-1,2-cyclohexanedioxydiacetic acid dichloroanhydride 以
苯 为溶剂,
以45%的产率得到5,18-bis<4-(methoxycarbonylmethyl)phenyl>-3,3-dimethyl-5,18-diaza-2,21-dioxabicyclo<20,4,0>hexacosane-4,19-dione