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Photocatalytic borylcyclopropanation of α-boryl styrenes

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Abstract

A diastereoselective borylcyclopropanation of α-MIDA-boryl styrenes with 1,1-diiodoborylmethane is developed using 1,2,3,5-tetrakis(carbazol-9-yl)-4,6-dicyanobenzene (4CzIPN) as a catalyst under visible-light irradiation. The scope of this photocatalytic method is explored, and the utility of the resulting doubly borylated cyclopropanes is demonstrated by the selective transformation of one of the two boryl groups.

Graphical abstract: Photocatalytic borylcyclopropanation of α-boryl styrenes

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Publication details

The article was received on 04 Feb 2019, accepted on 15 Mar 2019 and first published on 20 Mar 2019


Article type: Research Article
DOI: 10.1039/C9QO00197B
Org. Chem. Front., 2019, Advance Article

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    Photocatalytic borylcyclopropanation of α-boryl styrenes

    T. Ohtani, Y. Tsuchiya, D. Uraguchi and T. Ooi, Org. Chem. Front., 2019, Advance Article , DOI: 10.1039/C9QO00197B

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