A new synthesis of 3-hydroxy-2, 5-dialkyl-1, 4-benzoquinones using iodine-copper (II) acetate.
CA Horiuchi, Y Suzuki, M Takahashi, JY Satoh
Index: Horiuchi, C. Akira; Suzuki, Yasuto; Takahashi, Masaaki; Satoh, J. Yasuo Chemistry Letters, 1987 , p. 393 - 396
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Citation Number: 8
Abstract
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.
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