methyl 6-O-benzyl-2,3-di-O-methyl-4-O-(2,3,4-tri-O-methyl-β-D-xylopyranosyl)-α-D-galactopyranoside 在
palladium on activated charcoal
吡啶 、
氢气 作用下,
以
二氯甲烷 为溶剂,
-10.0 ℃
、505.0 kPa
条件下,
反应 4.0h,
生成 Trifluoro-methanesulfonic acid (2R,3S,4S,5R,6S)-4,5,6-trimethoxy-3-((2S,3R,4S,5R)-3,4,5-trimethoxy-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-2-ylmethyl ester