Harnessing the electronic differences between CAAC-stabilised 1,4-diborabenzene and 9,10-diboraanthracene for synthesis†
Merle
Arrowsmith, 
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Holger
Braunschweig
*ab
ab
Holger
Braunschweig
*ab
Abstract
The oxidation of doubly cyclic alkyl(amino)carbene-stabilised closed-shell 1,4-diborabenzene with sulfur or selenium yields S4/S5- or Se4-bridged hexa-1,4-dienes, respectively, whereas that of the related open-shell singlet biradical 9,10-diboraanthracene with O2, sulfur or selenium yields the endoperoxo- or S/Se-bridged bicyclic species, respectively.
- This article is part of the themed collection: Boron Chemistry in the 21st Century: From Synthetic Curiosities to Functional Molecules
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