二碳酸二叔丁酯 、
[2S,3S,4S,5S,5(2R,3S,4S,5R,6R)]-3-azido-5-(3,4,5,6-tetrahydroxy-3,4;5,6-di-O-isopropylidene-2-tetrahydropyranyl)-2-methoxy-4-methyltetrahydrofuran 在
palladium 10% on activated carbon 、
氢气 作用下,
以
四氢呋喃 为溶剂,
反应 9.0h,
以70%的产率得到[2S,3S,4S,5S,5(2R,3S,4S,5R,6R)]-3-[N-(tert-butoxycarbonyl)amino]-5-(3,4,5,6-tetrahydroxy-3,4;5,6-di-O-isopropylidene-2-tetrahydropyranyl)-2-methoxy-4-methyltetrahydrofuran