(2R,4aR,6R,7R,8R,8aS)-6-((2R,3S,4R,5R)-4,5-Dihydroxy-2-hydroxymethyl-6-methoxy-tetrahydro-pyran-3-yloxy)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine-7,8-diol 在
咪唑 、
碘 、
三苯基膦 作用下,
以
甲苯 为溶剂,
反应 3.0h,
生成
(2R,4aR,6R,7R,8R,8aS)-6-((2S,3S,4R,5R)-4,5-Dihydroxy-2-iodomethyl-6-methoxy-tetrahydro-pyran-3-yloxy)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine-7,8-diol