[(2S,3R,5S)-2,5-bis(hydroxymethyl)-6,6-dimethyl-4-oxotetrahydropyran-3-yl]carbamic acid tert-butyl ester 在
sodium tetrahydroborate 作用下,
以
乙醇 为溶剂,
以63%的产率得到[(2S,3S,4S,5R)-4-hydroxy-2,5-bis(hydroxymethyl)-6,6-dimethyltetrahydropyran-3-yl]carbamic acid tert-butyl ester