Prof. Dr. Hermann A. Wegner's Group
- AG Wegner
Our research is driven by the development of new sustainable processes in organic synthesis and their application to control functions in materials on the molecular level.
Under this scheme we are developing new catalytic processes based on bidentate Lewis acid, such as the inverse electron-demand Diels-Alder reaction.
Furthermore, we are looking for new ways of controlling structures with molecular switches and use this knowledge to create “smart” responsive materials, e.g. macrocylic oligoazobenzenes or switchable peptides.
We are also interested in new concepts to build polycyclic (hetero-) aromatic structures as materials for molecular electronics or other applications.
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The Safety prize 2018 of the Justus-Liebig university and the Unfallkasse Hessen was awarded to the Wegner group for obtaining the highest score in the annual safety inspection.
Another publication in Angewandte Chemie Int. Ed. with the title "Electronic communication between two cycloparaphenylenes and bisazafullerene (C59N)2 induced by cooperative complexation" with Nikos Tagmatarchis and Chris Ewels was recently published online. Also another paper "Lattice Mismatch Drives Spatial Modulation of Corannulene Tilt on Ag(111)" is now online available.
We report an air-stable bisboron complex as an efficient catalyst for the inverse electron-demand Diels–Alder (IEDDA) reaction of 1,2-diazine as well as 1,2,4,5-tetrazine.
A new paper with the title "The Quest for Organic Active Materials for Redox Flow Batteries: 2,3‑Diaza-anthraquinones and their Electrochemical Properties" which explores the use of diaza-anthraquinones in redox flow systems was just accepted for publication. This investigation was done in collaboration by with the groups of Prof. Jürgen Janek and Prof. Doreen Mollenhauer.
In our new paper "Stable Organic Neutral Diradical via Reversible Coordination", we report the formation of a stable neutral diboron diradical simply by coordination of an aromatic dinitrogen compound to an ortho-phenyldiborane. Computations were performed in collaboration with the group of professor Peter R. Schreiner.