期刊
ORGANIC LETTERS
卷 17, 期 12, 页码 3042-3045出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.5b01324
关键词
-
资金
- CSIR, India [02(0179)/14/EMR-II]
- CSIR
An efficient synthesis of unsymmetrical biphenols via the oxidative cross-coupling of two different phenols in the presence of K2S2O8 and Bu4N+.HSO3- (10 mol %) in CF3COOH at ambient conditions is described. 1:1 Cross-coupling of substituted phenols with naphthols and 1:2 cross-coupling of naphthols with phenol are also disclosed. By using Bu4N+.HSO3-, the homocoupling of phenols or naphthols was controlled. In these reactions, the ortho C-H bond of two different phenols and the ortho and para C-H bond of phenols were coupled together.
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