1H-1,2,4-三唑 、
5'-O-(dimethoxytrityl)thymidine 3'-(o-chlorophenyl β-cyanoethyl phosphate) 以
吡啶 为溶剂,
以70%的产率得到Phosphoric acid (2R,3S,5R)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(5-methyl-2-oxo-4-[1,2,4]triazol-1-yl-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester 2-chloro-phenyl ester 2-cyano-ethyl ester