(4aR,6R,8S,8aS)-6-((2R,3R,4S,5R,6S)-4,5-Bis-benzyloxy-2-benzyloxymethyl-6-methoxy-tetrahydro-pyran-3-yloxy)-8-methoxy-2,2-dimethyl-4a-vinyl-tetrahydro-pyrano[3,2-d][1,3]dioxin-7-one 在
吡啶 、
三乙基硼氢化锂 作用下,
以
四氢呋喃 为溶剂,
反应 4.0h,
生成
Acetic acid (4aR,6R,7S,8S,8aS)-6-((2R,3R,4S,5R,6S)-4,5-bis-benzyloxy-2-benzyloxymethyl-6-methoxy-tetrahydro-pyran-3-yloxy)-8-methoxy-2,2-dimethyl-4a-vinyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl ester