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Issue 81, 2013
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Hypervalent iodine(III)-induced oxidative [4+2] annulation of o-phenylenediamines and electron-deficient alkynes: direct synthesis of quinoxalines from alkyne substrates under metal-free conditions

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Abstract

Hypervalent iodine(III)-induced oxidative [4+2] annulation of o-phenylenediamines and electron-deficient alkynes under metal-free conditions has been developed. The reaction allows for direct access to quinoxalines bearing two electron-withdrawing groups in an efficient manner.

Graphical abstract: Hypervalent iodine(iii)-induced oxidative [4+2] annulation of o-phenylenediamines and electron-deficient alkynes: direct synthesis of quinoxalines from alkyne substrates under metal-free conditions

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Publication details

The article was received on 19 Jul 2013, accepted on 13 Aug 2013, published on 14 Aug 2013 and first published online on 14 Aug 2013


Article type: Communication
DOI: 10.1039/C3CC45469J
Citation: Chem. Commun., 2013,49, 9266-9268
  • Open access: Creative Commons BY-NC license
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    Hypervalent iodine(III)-induced oxidative [4+2] annulation of o-phenylenediamines and electron-deficient alkynes: direct synthesis of quinoxalines from alkyne substrates under metal-free conditions

    S. Okumura, Y. Takeda, K. Kiyokawa and S. Minakata, Chem. Commun., 2013, 49, 9266
    DOI: 10.1039/C3CC45469J

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