(2S,3S,4R,5R,6S)-tert-butyl 6-(4-nitrobenzoyloxy)-2-allyl-3,4,5-tris(benzyloxy)azepane-1-carboxylate 在
potassium carbonate 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 5.0h,
以93%的产率得到(2S,3S,4R,5R,6S)-tert-butyl 2-allyl-3,4,5-tris(benzyloxy)-6-hydroxyazepane-1-carboxylate