Issue 38, 2020

Extended conjugated borenium dimers via late stage functionalization of air-stable borepinium ions

Abstract

Applications of highly electron-deficient organoborenium ions in conjugated materials remain scarce due to their low stability toward air and moisture. We report here the preparation of benzo[d]dithieno[b,f]borepinium ions as air-stable π-conjugated heterocycles and their conversion into the first dimeric borenium cations, which exhibit very low lying LUMOs and enhanced fluorescence as a result of extended conjugation.

Graphical abstract: Extended conjugated borenium dimers via late stage functionalization of air-stable borepinium ions

Supplementary files

Article information

Article type
Communication
Submitted
07 Apr 2020
Accepted
15 Apr 2020
First published
16 Apr 2020

Chem. Commun., 2020,56, 5119-5122

Author version available

Extended conjugated borenium dimers via late stage functionalization of air-stable borepinium ions

Y. Adachi, F. Arai and F. Jäkle, Chem. Commun., 2020, 56, 5119 DOI: 10.1039/D0CC02514C

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