乙酸酐 、
3,3'-<(2,2'-bipyridine-6,6'-diyl)diethyne-2,1-diyl>bis<2,6-anhydro-3-deoxy-D-glycero-L-gulo-oct-7-ynitol> 在
吡啶 、 copper diacetate 作用下,
生成 1,4,5,12,13,16-hexa-O-acetyl-2,6:11,15-dianhydro-3,14-C-<(2,2'-bipyridine-6,6'-diyl)diethyne-2,1-diyl>-3,7,8,9,10,14-hexadeoxy-D-erythro-L-ido-L-gulo-hexadeca-7,9-diynitol