(6aR,7S,10aR)-6a,7,8,9,10,10a-Hexahydro-5,12-dihydroxy-4-methoxy-7-(2',3',4',6'-tetra-O-acetyl-β-D-glucopyranosyloxy)naphthacene-6,9,11-trione 在
lead(IV) acetate 、
盐酸 、
溶剂黄146 作用下,
以
乙醇 为溶剂,
反应 32.0h,
生成
(7S,9S)-9-Ethynyl-7,8,9,10-tetrahydro-6,7,9,11-tetrahydroxy-4-methoxynaphthacene-5,12-dione