Lewis acid-assisted oxidative cross-coupling of 2-naphthol derivatives with copper catalysts |
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| Authors: | Pei Yan |
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| Affiliation: | Department of Chemistry and Chemical Engineering, Graduate School of Science and Technology, Yamagata University, Yonezawa, Yamagata 992-8510, Japan |
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| Abstract: | The oxidative coupling reactions between 2-naphthol and 3-hydroxy-2-naphthoic acid derivatives using a copper catalyst under an O2 atmosphere in the presence of a catalytic amount of the Lewis acid, such as Yb(OTf)3, were carried out. A highly cross-coupling selective or specific reaction effectively proceeded to give a C1 symmetrical BINOL derivative. |
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| Keywords: | Binaphthol Cross-coupling Oxidative coupling Lewis acid |
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