(2-((2R,3R,4R,5R)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-fluoro-4-methyl-3-((4-oxopentanoyl)oxy)tetrahydrofuran-2-yl)-1-fluoroethyl)phosphonic acid 、
苯酚 在
吡啶 、
氯化亚砜 作用下,
反应 4.0h,
以26%的产率得到[2-[(2R,3R,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-4-fluoro-4-methyl-3-(4-oxopentanoyloxy)oxolan-2-yl]-1-fluoroethyl]-phenoxyphosphinic acid