、 N-{1-[(2S,4S,5R)-4-(tert-Butyl-dimethyl-silanyloxy)-5-hydroxymethyl-tetrahydro-furan-2-yl]-2-oxo-1,2-dihydro-pyrimidin-4-yl}-benzamide 在
吡啶 、
三甲基乙酰氯 作用下,
反应 0.5h,
以50%的产率得到N-[1-[(2S,4S,5R)-5-[[[(2R,3S,5S)-5-(6-benzamidopurin-9-yl)-2-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]oxolan-3-yl]oxy-oxidophosphaniumyl]oxymethyl]-4-[tert-butyl(dimethyl)silyl]oxyoxolan-2-yl]-2-oxopyrimidin-4-yl]benzamide