benzyl ((((2R,3R,5R)-3-((tert-butoxycarbonyl)oxy)-4,4-difluoro-5-(2-oxo-4-(2-propylpentan-amido) pyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methoxy)(phenoxy) phos-phoryl)-L-alaninate 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
以66.7 %的产率得到benzyl ((((2R,3R,5R)-4,4-difluoro-3-hydroxy-5-(2-oxo-4-(2-propylpentanamido)py-rimidin-1(2H)-yl)tetrahydrofuran-2-yl)methoxy)(phenoxy)phosphoryl)-L-alaninate