(2R,3R,4S,5S)-2-(1,3-bis(trityloxy)propan-2-yloxy)-5-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)-4-(4-oxopentanoyloxy)tetrahydrofuran-3-yl benzoate 在
乙酸肼 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
反应 3.0h,
以72%的产率得到(2R,3R,4S,5R)-2-(1,3-bis(trityloxy)propan-2-yloxy)-5-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)-4-hydroxytetrahydrofuran-3-yl benzoate