(1S,4aR,9aR)-1,4,4a,9a-tetrahydro-1-methoxy-5-(2',3',4',6'-tetra-O-acetyl-β-D-glucopyranosyloxy)-3-trimethylsiloxy-9,10-anthraquinone 在
盐酸 作用下,
以
四氢呋喃 为溶剂,
反应 0.5h,
以96%的产率得到(1S,4aR,9aR)-1,2,4a,9a-tetrahydro-1-methoxy-5-(2',3',4',6'-tetra-O-acetyl-β-D-glucopyranosyloxy)-anthracene-3(4H),9,10-trione