Anthracene, 9,10-dimethoxyanthracene and substituted analogues are selectively oxidized to the corresponding anthraquinones in good yields by copper(II) or zinc(II) nitrate supported on silica gel; the ether groups at different position from 9 and 10 are unaffected.
蒽、
9,10-二甲氧基蒽和取代的类似物可被
硅胶上的
硝酸铜(II)或
硝酸锌(II)选择性地氧化成相应的
蒽醌类化合物,且收率良好;位于 9 和 10 不同位置的醚基不受影响。