((2R,3R,4S,5R)-3-fluoro-4-hydroxy-5-methoxy-4-methyltetrahydrofuran-2-yl)methyl benzoate 、
苯甲酰氯 在
乙醚 、
Sodium sulfate-III 作用下,
以
吡啶 为溶剂,
反应 16.0h,
以to give 140 mg (0.36 mmol, 60%) of ((2R,3R,4R,5R)-4-(benzoyloxy)-3-fluoro-5-methoxy-4-methyltetrahydrofuran-2-yl)methyl benzoate (first eluted spot, arabinose) and 50 mg (0.13 mmol, 20%) of ((2R,3R,4S,5R)-4-(benzoyloxy)-3-fluoro-5-methoxy-4-methyltetrahydrofuran-2-yl)methyl benzoate (second eluted spot, ribose) as thick oils的产率得到((2R,3R,4R,5R)-4-benzoyloxy-3-fluoro-5-methoxy-4-methyltetrahydrofuran-2-yl)methyl benzoate