(chloro)(diisopropylamino)[(prop-2-enyl)oxy]phosphine 、 Benzoic acid (2R,3R,4R,5R)-5-[bis-(4-methoxy-phenyl)-phenyl-methoxy]-4-hydroxy-2-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-pyran-3-yl ester 在
(allyloxy)(diisopropylamino)phosphine 、
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 4.5h,
以78%的产率得到1-[3'-O-((allyloxy)(diisopropylamino)phosphino)-2'-O-benzoyl-4'-O-((dimethoxytriphenyl)methyl)-β-D-ribopyranosyl-(1')]thymine