甲基2,3,4-三-O-苄基-α-D-吡喃葡萄糖苷 、
pent-4-enoxy-[(2S,3S,4S,5R,6R)-2-pent-4-enoxy-4,5-bis(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-3-yl]oxy-di(propan-2-yl)silane 在
iodonium(di-γ-collidine) perchlorate 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以78%的产率得到[(2R,3R,4S,5R,6S)-6-methoxy-3,4,5-tris(phenylmethoxy)oxan-2-yl]methoxy-[(2S,3S,4S,5R,6R)-2-pent-4-enoxy-4,5-bis(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-3-yl]oxy-di(propan-2-yl)silane