A New Synthesis of 3-Hydroxy-2,5-dialkyl-1,4-benzoquinones Using Iodine-Copper(II) Acetate
作者:C. Akira Horiuchi、Yasuto Suzuki、Masaaki Takahashi、J. Yasuo Satoh
DOI:10.1246/cl.1987.393
日期:1987.2.5
Reactions of diosphenol and 3,6-dimethyl-1,2-cyclohexanedione with iodine-copper(II) acetate in acetic acid-water (5:1) at 80 °C gave the respective 3-hydroxy-2,5-dialkyl-1,4-benzoquinone in 25–80% yields. 2-t-Butyl-5-methylcyclohexanone similarly gave the corresponding 3-hydroxy-1,4-benzoquinone in 66% yield.
在80°C下,二苯酚和3,6-二甲基-1,2-环己烷二酮与碘-铜(II)醋酸盐在醋酸-水(5:1)中反应,分别得到了相应的3-羟基-2,5-二烷基-1,4-苯醌,产率为25-80%。2-t-丁基-5-甲基环己酮同样得到了相应的3-羟基-1,4-苯醌,产率为66%。