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Photoredox-catalyzed decarboxylative alkylation/cyclization of alkynylphosphine oxides: a metal- and oxidant-free method for accessing benzo[b]phosphole oxides

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Abstract

By photoredox-catalysis, alkylation/aryl C–H cyclization of readily available alkynylphosphine oxides towards benzo[b]phospholes has been realized under metal- and oxidant-free conditions at room temperature. This reaction readily incorporates various functionalized alkyl groups into the benzo[b]phosphole skeletons, representing a mild and versatile tool for the preparation of valuable phosphole compounds.

Graphical abstract: Photoredox-catalyzed decarboxylative alkylation/cyclization of alkynylphosphine oxides: a metal- and oxidant-free method for accessing benzo[b]phosphole oxides

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Publication details

The article was received on 31 Oct 2018, accepted on 29 Nov 2018 and first published on 30 Nov 2018


Article type: Communication
DOI: 10.1039/C8CC08689C
Citation: Chem. Commun., 2019, Advance Article
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    Photoredox-catalyzed decarboxylative alkylation/cyclization of alkynylphosphine oxides: a metal- and oxidant-free method for accessing benzo[b]phosphole oxides

    L. Liu, J. Dong, Y. Yan, S. Yin, L. Han and Y. Zhou, Chem. Commun., 2019, Advance Article , DOI: 10.1039/C8CC08689C

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