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Issue 17, 2010
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A versatile catalyst system for Suzuki–Miyaura syntheses of sterically hindered biaryls employing a cyclobutene-1,2-bis(imidazolium) salt

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Abstract

The catalyst system consisting of 3,3′-(3,4-bis(dichloro-methylene)cyclobut-1-ene-1,2-diyl)bis(1-methyl-1H-imidazolium) bis(tetrafluoroborate), Pd(OAc)2 and NaOtBu in toluene proved to be very effective for a broad variety of Suzuki–Miyaura reactions at room temperature. It is also suited for the synthesis of sterically hindered compounds including 2,6-di-tert-butyl-2′-substituted biaryls at elevated temperatures.

Graphical abstract: A versatile catalyst system for Suzuki–Miyaura syntheses of sterically hindered biaryls employing a cyclobutene-1,2-bis(imidazolium) salt

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Publication details

The article was received on 20 Jan 2010, accepted on 19 Feb 2010 and first published on 05 Mar 2010


Article type: Communication
DOI: 10.1039/C001362E
Citation: Chem. Commun., 2010,46, 2995-2997
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    A versatile catalyst system for Suzuki–Miyaura syntheses of sterically hindered biaryls employing a cyclobutene-1,2-bis(imidazolium) salt

    A. Schmidt and A. Rahimi, Chem. Commun., 2010, 46, 2995
    DOI: 10.1039/C001362E

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