3-((2S,3S,4R,5R,6R)-3-Azido-4,5-bis-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yl)-2-methyl-propionic acid methyl ester 在
sodium tetrahydroborate 、 nickel dichloride 作用下,
以
乙醇 为溶剂,
以51%的产率得到(2R,3R,4R,4aS,8aS)-3,4-Bis-benzyloxy-2-benzyloxymethyl-7-methyl-hexahydro-pyrano[3,2-b]pyridin-6-one