(1R,2S,3R,4aR,9aR)-1,2,3,4,4a,9a-hexahydro-2,3-O-isopropylidene-3-methyl-9,10-dioxo-1-(2',3',4',6'-tetra-O-acetyl-β-D-glucopyranosyloxy)anthracene-2,3,8-triol 在
manganese(IV) oxide 作用下,
以
苯 为溶剂,
反应 23.0h,
以47%的产率得到(1R,2S,3R)-1,2,3,4-tetrahydro-2,3-O-isopropylidene-3-methyl-9,10-dioxo-1-(2',3',4',6'-tetra-O-acetyl-β-D-glucopyranosyloxy)anthracene-2,3,8-triol