(1S,3R,4R,5S,6S,7R,20R,22S,23S,24R)-4,5,6,24-Tetrakis-benzyloxy-23-((2R,3R,5R,6R)-3,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-22-methoxy-2,9,18,21,25-pentaoxa-tricyclo[18.2.2.13,7]pentacosane 在
palladium on activated charcoal
氢气 作用下,
以
溶剂黄146 为溶剂,
以89%的产率得到(1S,3R,4R,5S,6R,7R,20R,22S,23S,24R)-23-((2R,3R,5R,6R)-3,5-Dihydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-22-methoxy-2,9,18,21,25-pentaoxa-tricyclo[18.2.2.1
3,7]pentacosane-4,5,6,24-tetraol