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A highly regioselective Cu-exchanged tungstophosphoric acid catalyst for hydroarylation and hydroamination of alkynes

✍ Scribed by Nayeem Pasha; N. Seshu Babu; K.T. Venkateswara Rao; P.S. Sai Prasad; N. Lingaiah

Book ID: 104095988
Publisher: Elsevier Science
Year: 2009
Tongue: French
Weight: 233 KB
Volume: 50
Category: Article
ISSN: 0040-4039
DOI: 10.1016/j.tetlet.2008.10.131

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✦ Synopsis

An efficient and reusable Cu-exchanged tungstophosphoric acid catalyst is demonstrated for the solvent free hydroarylation and hydroamination reactions of alkynes with numerous arene and amine derivatives, respectively. The catalyst exhibited exceptionally high activity and regioselectivity in both the reactions.

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