5'-O-levulinyl-3'-O-tert-butyldimethylsilyl-N4-[O-(4,4'-dimethoxytrityloxy)hexyl]-5-methyl-2'-deoxycytidine 在
四丁基氟化铵 、
溶剂黄146 、
N,N-二异丙基乙胺 作用下,
以
四氢呋喃 为溶剂,
反应 10.0h,
生成 [(2R,3S,5R)-5-[4-[6-[bis(4-methoxyphenyl)-phenylmethoxy]hexylamino]-5-methyl-2-oxopyrimidin-1-yl]-3-[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxyoxolan-2-yl]methyl 4-oxopentanoate