(2R,3R)-5,7-diacetoxy-2-(3',4',5'-triacetoxy-phenyl)-chroman-3-yl 3,4,5-tris(dibenzyloxy-phosphoryloxy)benzoate 在
20% palladium hydroxide on charcoal 、
氢气 作用下,
反应 4.0h,
生成 (2R,3R)-5,7-diacetoxy-2-(3',4',5'-triacetoxy-phenyl)-chroman-3-yl 3,4,5-tris(phosphoryloxy)-benzoate