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Issue 26, 2017
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Rapid access to cyclopentadiene derivatives through gold-catalyzed cycloisomerization of ynamides with cyclopropenes by preferential activation of alkenes over alkynes

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Abstract

In this communication, gold-catalyzed intermolecular cycloisomerization of cyclopropenes and ynamides is investigated. The current transformation displayed an activation priority of double bonds over triple bonds by the cationic gold catalyst, giving the corresponding cyclopentadienes in good to excellent yields. Additionally, this protocol can be expanded to a one-pot two-step procedure for the synthesis of substituted cyclopentanones.

Graphical abstract: Rapid access to cyclopentadiene derivatives through gold-catalyzed cycloisomerization of ynamides with cyclopropenes by preferential activation of alkenes over alkynes

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Publication details

The article was received on 21 Feb 2017, accepted on 10 Mar 2017 and first published on 10 Mar 2017


Article type: Communication
DOI: 10.1039/C7CC01368J
Citation: Chem. Commun., 2017,53, 3745-3748
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    Rapid access to cyclopentadiene derivatives through gold-catalyzed cycloisomerization of ynamides with cyclopropenes by preferential activation of alkenes over alkynes

    X. Cheng, L. Zhu, M. Lin, J. Chen and X. Huang, Chem. Commun., 2017, 53, 3745
    DOI: 10.1039/C7CC01368J

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