8-chloro-7-(4-ethylbenzyl)-5-((3S,4R,5R,6R)-3,4,5-tris(benzyloxy)-6-(benzyloxymethyl)tetrahydro-2H-pyran-2-yl)-2H-chromene 在
钯 氢气 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 6.0h,
以to provide the product E023 (28 mg, 28%) as a white solid的产率得到(2S,3R,4R,5S,6R)-2-(8-chloro-7-(4-ethylbenzyl)chroman-5-yl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol