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Issue 23, 2017
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Transition-metal-free, visible-light-mediated cyclization of o-azidoarylalkynes with aryl diazonium salts

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Abstract

Visible light along with 3 mol% eosin Y catalyzes the cyclization reaction of o-azidoarylalkynes with aryl diazonium salts by a photoredox process. We have investigated the scope of the reaction for several aryl diazonium salts and o-azidoarylalkynes. The general and easy procedure provides a transition-metal-free alternative for the formation of unsymmetrical 2,3-diaryl-substitued indoles.

Graphical abstract: Transition-metal-free, visible-light-mediated cyclization of o-azidoarylalkynes with aryl diazonium salts

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Publication details

The article was received on 22 Aug 2017, accepted on 24 Oct 2017 and first published on 24 Oct 2017


Article type: Letter
DOI: 10.1039/C7NJ03144K
Citation: New J. Chem., 2017,41, 14053-14056
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    Transition-metal-free, visible-light-mediated cyclization of o-azidoarylalkynes with aryl diazonium salts

    C. Jin, L. Su, D. Ma and M. Cheng, New J. Chem., 2017, 41, 14053
    DOI: 10.1039/C7NJ03144K

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