5'-O-monomethoxytritylthymidine 3'-O-(2-chlorophenyl) phosphoranilidate 在
二氧化碳 、 sodium hydride 作用下,
以
吡啶 为溶剂,
以95%的产率得到Phosphoric acid 2-chloro-phenyl ester (2S,3R,5S)-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 pyridine