Issue 11, 2019

Photocatalytic borylcyclopropanation of α-boryl styrenes

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

Supplementary files

Article information

Article type
Research Article
Submitted
04 feb 2019
Accepted
15 mar 2019
First published
20 mar 2019

Org. Chem. Front., 2019,6, 1734-1737

Photocatalytic borylcyclopropanation of α-boryl styrenes

T. Ohtani, Y. Tsuchiya, D. Uraguchi and T. Ooi, Org. Chem. Front., 2019, 6, 1734 DOI: 10.1039/C9QO00197B

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