cis-2-Acetyl-2-<<(1,1-dimethylethyl)dimethylsilyl>oxy>-2,3-dihydro-1H-cyclopentanthracene-1,4,11-triol 1,4,11-triacetate 在
chromium(VI) oxide 作用下,
以
溶剂黄146 为溶剂,
反应 0.25h,
以72%的产率得到cis-2-Acetyl-2-<<(1,1-dimethylethyl)dimethylsilyl>oxy>-2,3,5,10-tetrahydro-5,10-dioxo-1H-cyclopent
anthracene-1,4,11-triol 1,4,11-triacetate