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Photoredox-catalyzed decarboxylative alkylation/cyclization of alkynylphosphine oxides: a metal- and oxidant-free method for accessing benzo[b]phosphole oxides
- Liu, Lixin, Dong, Jianyu, Yan, Yani, Yin, Shuang-Feng, Han, Li-Biao, Zhou, Yongbo
- Chemical communications 2018 v.55 no.2 pp. 233-236
- alkylation, ambient temperature, moieties, oxides
- 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.