Abstract
Simple catalysts that use atom-economical oxygen as the terminal oxidant to accomplish selective ortho-ortho, ortho-para, or para-para homo-couplings of phenols are described. In addition, chromium salen catalysts have been discovered as uniquely effective in the cross-coupling of different phenols with high chemo- and regioselectivity.
Publication types
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Research Support, N.I.H., Extramural
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, Non-P.H.S.
MeSH terms
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Catalysis
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Chromium / chemistry
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Ethylenediamines / chemistry
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Oxidants / chemistry*
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Oxidation-Reduction
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Oxygen / chemistry*
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Phenols / chemistry*
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Stereoisomerism
Substances
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Ethylenediamines
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Oxidants
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Phenols
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Chromium
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disalicylaldehyde ethylenediamine
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Oxygen