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Issue 86, 2012
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Zirconium catalyzed alkyne dimerization for selective Z-enyne synthesis

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Abstract

The regioselective head-to-head dimerization of alkynes is catalyzed by a dibenzyl tethered bis(ureate) zirconium precatalyst with aniline as an additive. This system also gives outstanding stereoselectivity to furnish Z-enynes in high yields. A dinuclear reactive intermediate has been characterized, which provides a potential mechanistic rationale for the unexpected regio- and stereoselectivity in this catalytic system.

Graphical abstract: Zirconium catalyzed alkyne dimerization for selective Z-enyne synthesis

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Publication details

The article was received on 15 Aug 2012, accepted on 06 Sep 2012 and first published on 07 Sep 2012


Article type: Communication
DOI: 10.1039/C2CC35913H
Citation: Chem. Commun., 2012,48, 10609-10611
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    Zirconium catalyzed alkyne dimerization for selective Z-enyne synthesis

    R. H. Platel and L. L. Schafer, Chem. Commun., 2012, 48, 10609
    DOI: 10.1039/C2CC35913H

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