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  • Rhodium-Catalyzed Direct Ortho C-H Arylation Using Ketone as Directing Group with Boron Reagent.

Rhodium-Catalyzed Direct Ortho C-H Arylation Using Ketone as Directing Group with Boron Reagent.

Organic letters (2017-10-20)
Bing Zhang, Huai-Wei Wang, Yan-Shang Kang, Ping Zhang, Hua-Jin Xu, Yi Lu, Wei-Yin Sun
ABSTRACT

A general method for selective ortho C-H arylation of ketone, with boron reagent enabled by rhodium complexes with excellent yields, is developed. The transformation is characterized by the use of air-stable Rh catalyst, high monoarylation selectivity, and excellent yields of most of the substrates.

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Sigma-Aldrich
4-Methoxycarbonylphenylboronic acid pinacol ester, 97%