Trifluoro-methanesulfonic acid (2S,3S,5R)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-3-(tert-butyl-dimethyl-silanyloxy)-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-2-ylmethyl ester 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
生成
5'-O-(4,4'-dimethoxytrityl)-4'-C-((N-methylpiperazino)methyl)thymidine