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Copper-Catalyzed Oxidative Coupling of Arylboronic Acids with Aryl Carboxylic Acids: Cu3(BTC)2 MOF as a Sustainable Catalyst to Access Aryl Esters

Abstract

A convenient and sustainable method is demonstrated for the oxidative coupling of arylboronic acids with aryl carboxylic acids via C-O cross-coupling reaction catalyzed by the unsaturated coordination sites of copper present in the Cu3(BTC)2 MOF. Using air as an environment-friendly oxidant, the as-prepared Cu3(BTC)2 is demonstrated in a MOF based catalysis reaction with high efficiency and high chemoselectivity without the use of any external oxidants, ligands or additives. The present methodology avoids stoichiometric reagents, special reaction conditions, and shown excellent functional group tolerance with decent to excellent yield of aryl esters. The catalyst is found to shown high stability and reusability, without loss in activity even after several times which was evident from the FT-IR, PXRD and SEM characterization of reused catalyst.

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Publication details

The article was received on 26 May 2018, accepted on 13 Jun 2018 and first published on 13 Jun 2018


Article type: Research Article
DOI: 10.1039/C8QO00519B
Citation: Org. Chem. Front., 2018, Accepted Manuscript
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    Copper-Catalyzed Oxidative Coupling of Arylboronic Acids with Aryl Carboxylic Acids: Cu3(BTC)2 MOF as a Sustainable Catalyst to Access Aryl Esters

    D. NAINAMALAI and S. Palaniswamy, Org. Chem. Front., 2018, Accepted Manuscript , DOI: 10.1039/C8QO00519B

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