4.6 Article

Palladium catalysed regioselective arylation of indoles, benzofuran and benzothiophene with aryldiazonium salts

Journal

RSC ADVANCES
Volume 2, Issue 31, Pages 11930-11935

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ra22213b

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Funding

  1. CNPq

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Aryldiazonium tetrafluoroborates have been successfully employed in the direct and regioselective arylation of heteroaromatics such as indole, benzofuran and benzothiophene. The cationic aryl palladium intermediates derived from the aryldiazonium salts act as effective electrophiles in the process. These arylating reactions display operational simplicity and provide the arylated heterocycles regioselectively in moderate to excellent yields.

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