Carborane–arene fused boracyclic analogues of polycyclic aromatic hydrocarbons accessed by intramolecular borylation

Abstract

Arenes are 2D aromatics while dicarbadodecaborane clusters are branded as 3D aromatic molecules. In this work we prepare molecules that feature fused 2D/3D aromatic systems that represent boron-doped analogues of...

Reactivity study of Lewis superacidic carborane-based analogue of 9-bromo-9-borafluorene towards Lewis bases

“…S34†). These NMR data combined indicate that one of the four iPr methyl groups might have undergone C–H activation, 10 which has been further confirmed by X-ray single-crystal diffraction analysis (Fig. 4).…”

A Pd-catalyzed route to carborane-fused boron heterocycles

“…Several previous studies have been dedicated to generating icosahedral carborane-fused 2D carbo- and hetero-cycles as extensions of the carborane scaffolds. 17 These systems are interesting as they can provide new insights into questions of electronic delocalization between 2D and 3D aromatic scaffolds and give rise to structurally new heterocyclic motifs. 18 However, all-boron-vertex-bound icosahedral carborane-fused heterocycles bearing vicinal B–N bonds are still not accessible so far.…”