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Issue 19, 1977
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Highly general stereo-, regio-, and chemo-selective synthesis of terminal and internal conjugated enynes by the Pd-catalysed reaction of alkynylzinc reagents with alkenyl halides

Abstract

The reaction of an alkynylzinc chloride, readily obtainable from the corresponding alkynyl-lithium and anhydrous zinc chloride, with an alkenyl iodide or bromide in the presence of a catalytic amount of a Pd–phosphine complex provides the corresponding terminal or internal enyne in high yield, the stereospecificity of the reaction being [gt-or-equal] 97%.

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Article type: Paper
DOI: 10.1039/C39770000683
Citation: J. Chem. Soc., Chem. Commun., 1977,0, 683-684

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    Highly general stereo-, regio-, and chemo-selective synthesis of terminal and internal conjugated enynes by the Pd-catalysed reaction of alkynylzinc reagents with alkenyl halides

    A. O. King, N. Okukado and E. Negishi, J. Chem. Soc., Chem. Commun., 1977, 0, 683
    DOI: 10.1039/C39770000683

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