(2S,3R,4S,5S,6R)-6-((S)-1-Benzyloxymethoxy-ethyl)-4-hydroxy-3,5-dimethyl-tetrahydro-pyran-2-carboxylic acid methyl ester 在
lithium aluminium tetrahydride 作用下,
以
乙醚 为溶剂,
反应 0.5h,
以90%的产率得到(2R,3S,4R,5R,6S)-2-((S)-1-Benzyloxymethoxy-ethyl)-6-hydroxymethyl-3,5-dimethyl-tetrahydro-pyran-4-ol