(2R,3S,6S)-tetrahydro-2-[(methoxymethoxy)methyl]-6-{4-[(2S,3R,4R,5R,6S)-tetrahydro-3,4,5-tris(methoxymethoxy)-6-methyl-2H-pyran-2-yl]butyl}-2H-pyran-3-ol 在
氯化亚砜 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以60%的产率得到(2S,3S,4R,5S,6S)-tetrahydro-6-methyl-2-{4-[(2S,5S,6R)-tetrahydro-5-hydroxy-6-(hydroxymethyl)-2H-pyran-2-yl]butyl}-2H-pyran-3,4,5-triol