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. 2016 Jul 11;55(29):8333-7.
doi: 10.1002/anie.201602840. Epub 2016 May 30.

A Modular Synthetic Approach to Monocyclic 1,4-Azaborines

Xuguang Liu  1   2 , Yuanzhe Zhang  1 , Bo Li  1 , Lev N Zakharov  3 , Monica Vasiliu  4 , David A Dixon  5 , Shih-Yuan Liu  6
Affiliations

A Modular Synthetic Approach to Monocyclic 1,4-Azaborines

Xuguang Liu et al. Angew Chem Int Ed Engl. .

Abstract

A simple and general method for the synthesis of a wide range of monocyclic 1,4-azaborines, including the first examples containing B heteroatoms is described. Post-heterocycle-formation olefin isomerization was employed as a key strategy. This new synthetic method provides fundamental insight into the resonance stabilization and photophysical properties of 1,4-azaborines.

Keywords: BN heterocycles; aromaticity; azaborines; resonance stabilization; synthetic methods.

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