Inside Cover: An Element‐Substituted Cyclobutadiene Exhibiting High‐Energy Blue Phosphorescence (Angew. Chem. Int. Ed. 40/2021).

Keywords: aromaticity; DFT calculations; luminescence; main-group elements; reaction mechanisms EN aromaticity DFT calculations luminescence main-group elements reaction mechanisms 21598 21598 1 09/22/21 20210927 NES 210927 B The ground- and excited-state b properties of a diazadiboretidine (DADBT) derivative, an isoelectronic heterocyclic analogue of cyclobutadiene, are reported by Henrik Ottosson, Hiromi Nakai, Tadaaki Ikoma, Takanori Fukushima, and co-workers in their Research Article on page 21817. Aromaticity, DFT calculations, luminescence, main-group elements, reaction mechanisms Inside Cover: An Element-Substituted Cyclobutadiene Exhibiting High-Energy Blue Phosphorescence (Angew. [Extracted from the article]