1-{(2R,3R,4R,5R)-3-Allyloxy-4-(tert-butyl-dimethyl-silanyloxy)-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-2-yl}-1H-pyrimidine-2,4-dione 在
吡啶 、
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 7.0h,
生成
Methanesulfonic acid (2R,3R,4R,5R)-4-allyloxy-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-2-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-3-yl ester