丙二酸二乙酯 、
(+/-)-out,out-71,72-diethyl 71,72-[(6,7,9,10,17,18,20,21-octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecin-2,13-diyl)dimethylene]-1,2:67,68-bismethano[70]fullerene-71,71,72,72-tetracarboxylate 在
碘 、
1,8-二氮杂双环[5.4.0]十一碳-7-烯 作用下,
以
二甲基亚砜 、
甲苯 为溶剂,
以50%的产率得到(+/-)-out,out-71,72,72,73,73,74-hexaethyl 71,74-[(6,7,9,10,17,18,20,21-octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecin-2,13-diyl)dimethylene]-1,2:31,32:39,40:69,70-tetramethano[70]fullerene-71,71,72,72,73,73,74,74-octacarboxylate