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Issue 11, 2005
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A simple cobalt catalyst system for the efficient and regioselective cyclotrimerisation of alkynes

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Abstract

The intermolecular cyclotrimerisation of terminal and internal alkynes can be catalysed by simple cobalt complexes such as a CoBr2(diimine) under mild reaction conditions when treated with zinc and zinc iodide with high regioselectivity in excellent yields.

Graphical abstract: A simple cobalt catalyst system for the efficient and regioselective cyclotrimerisation of alkynes

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Publication details

The article was received on 25 Nov 2004, accepted on 05 Jan 2005 and first published on 26 Jan 2005


Article type: Communication
DOI: 10.1039/B417832G
Citation: Chem. Commun., 2005,0, 1474-1475

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    A simple cobalt catalyst system for the efficient and regioselective cyclotrimerisation of alkynes

    G. Hilt, T. Vogler, W. Hess and F. Galbiati, Chem. Commun., 2005, 0, 1474
    DOI: 10.1039/B417832G

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