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Issue 16, 2010
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A new mechanistic pathway under Sonogashira reaction protocol involving multiple acetylene insertions

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Abstract

An unreported product outcome from an intended Sonogashira coupling is presented. The generality of this finding has been demonstrated by screening of a range of pre-catalysts. Mechanistic studies are consistent with the tetra-aryl benzene product forming by interception of the aryl halide oxidative addition intermediate by repeated acetylene insertion.

Graphical abstract: A new mechanistic pathway under Sonogashira reaction protocol involving multiple acetylene insertions

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Publication details

The article was received on 19 Jan 2010, accepted on 19 Feb 2010 and first published on 04 Mar 2010


Article type: Communication
DOI: 10.1039/C001109F
Citation: Dalton Trans., 2010,39, 3799-3801
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    A new mechanistic pathway under Sonogashira reaction protocol involving multiple acetylene insertions

    R. C. Jones, A. J. Canty, T. Caradoc-Davies, N. W. Davies, M. G. Gardiner, P. J. Marriott, C. P. G. Rühle and V. Tolhurst, Dalton Trans., 2010, 39, 3799
    DOI: 10.1039/C001109F

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