2-diphenylmethylsilylethyl S-p-methoxyphenyl 5'-O-monomethoxytritylthymidine 3'-phosphorothioate 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
以88%的产率得到Thiophosphoric acid O-[(2S,3R,5S)-2-hydroxymethyl-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl] ester S-(4-methoxy-phenyl) ester O'-[2-(methyl-diphenyl-silanyl)-ethyl] ester