A family of highly activecopper(I)–homoscorpionate catalysts for the alkynecyclopropenation reaction

M. Mar Díaz-Requejo; Miguel Angel Mairena; Tomás R. Belderrain; M. Carmen Nicasio; Swiatoslaw Trofimenko; Pedro J. Pérez

doi:10.1039/B105020F

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A family of highly active copper(i)–homoscorpionate catalysts for the alkyne cyclopropenation reaction

M. Mar Díaz-Requejo,^a Miguel Angel Mairena,^a Tomás R. Belderrain,^a M. Carmen Nicasio,^a Swiatoslaw Trofimenko^b and Pedro J. Pérez*^a

Author affiliations

* Corresponding authors

^a Departamento de Química y Ciencia de Materiales, Universidad de Huelva, Carretera de Palos de la Frontera s/n, Huelva, Spain.
E-mail: perez@dqcm.uhu.es;
Fax: +34 959 017414;
Tel: +34 959 017411

^b Department of Chemistry and Biochemistry, University of Delaware, Newark, DE, USA

Abstract

Equimolar mixtures of ethyl diazoacetate and alkynes can be converted into cyclopropenes in very high yields, at room temperature, through the intermediacy of readily available Cu(I) catalysts containing trispyrazolylborate ligands.

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Article information

DOI: https://doi.org/10.1039/B105020F
Article type: Communication
Submitted: 07 Jun 2001
Accepted: 01 Aug 2001
First published: 03 Sep 2001

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Chem. Commun., 2001, 1804-1805

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A family of highly active copper(I)–homoscorpionate catalysts for the alkyne cyclopropenation reaction

M. M. Díaz-Requejo, M. A. Mairena, T. R. Belderrain, M. C. Nicasio, S. Trofimenko and P. J. Pérez, Chem. Commun., 2001, 1804 DOI: 10.1039/B105020F

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