[(2R,8R)-8-(tert-Butyl-diphenyl-silanyloxymethyl)-1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidin-2-yl]-methanol; hydrochloride 、
4'-(1-octyl-3,4-fulleropyrrolidin-2-yl)biphenyl-4-carboxylic acid 在
benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 72.33h,
以67%的产率得到2-(tert-butyldiphenylsilanyloxymethyl)-8-[4'-(1-octyl-3,4-fulleropyrrolidin-2-yl)biphenyl-4-carbonyloxymethyl]-3,4,6,7,8,9-hexahydro-2H-pyrimido[1,2-a]pyrimidin-1-ium hexafluorophosphate