5'-O-monomethoxytrityl-3'-thiothymidine 、 alkaline earth salt of/the/ methylsulfuric acid 以
四氢呋喃 为溶剂,
反应 9.0h,
以69%的产率得到Thiophosphoric acid O-(2-chloro-phenyl) ester S-[(2R,3S,5R)-2-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl] ester; compound with triethyl-amine