(4R,5R)-2,2-Dimethyl-5-[(S)-phenylsulfanyl-((2R,3R,4S,5R,6S)-3,4,5-tris-benzyloxy-6-methoxy-tetrahydro-pyran-2-ylmethoxy)-methyl]-[1,3]dioxolane-4-carboxylic acid methyl ester 在
lithium aluminium tetrahydride 作用下,
以
四氢呋喃 为溶剂,
反应 1.0h,
以94%的产率得到{(4S,5R)-2,2-Dimethyl-5-[(S)-phenylsulfanyl-((2R,3R,4S,5R,6S)-3,4,5-tris-benzyloxy-6-methoxy-tetrahydro-pyran-2-ylmethoxy)-methyl]-[1,3]dioxolan-4-yl}-methanol