Treatment of 2-cyanomethyl-2′,4′-dimethoxybenzophenone with sodium methoxide in dimethyl sulphoxide gave 9-cyano-2-methoxyanthracen-10-ol in 95% yield. This was oxidised to 2-methoxyanthraquinone in almost quantitative yield, under mild conditions. The relevance of this synthesis of anthraquinones to possible pathways of biosynthesis has been discussed. The interaction of 2-cyanomethyl-2′,4′-dimethoxybenzophenone
在
二甲亚砜中用
甲醇钠处理2-
氰基甲基-2',4'-二甲氧基
二苯甲酮,得到9-
氰基-2-甲氧基
蒽-10-醇,收率为95%。在温和的条件下,将其几乎定量地氧化为2-甲氧基
蒽醌。
蒽醌的这种合成与可能的
生物合成途径的相关性已被讨论。2-
氰基甲基-2',4'-二甲氧基
二苯甲酮与
甲醇钠在
甲醇中的相互作用得到3-甲氧基-1-(2,4-二
甲氧基苯基)
异喹啉。