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Configurationally Stable Chiral Dithia-Bridged Hetero[4]helicene Radical Cation: Electronic Structure and Absolute Configuration

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Dral,  Pavlo O.
Research Department Thiel, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Breitenbruch,  Georg
Service Department Schulze (GC, HPLC), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Schulze,  Philipp
Service Department Schulze (GC, HPLC), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Kivala, M., Gliemann, B. D., Petrovic, A. G., Zolnhofer, E. M., Dral, P. O., Hampel, F., et al. (2017). Configurationally Stable Chiral Dithia-Bridged Hetero[4]helicene Radical Cation: Electronic Structure and Absolute Configuration. Chemistry – An Asian Journal, 12(1), 31-35. doi:10.1002/asia.201601452.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002C-07FC-F
Abstract
A stable chiral hetero[4]helicene radical cation was synthesized and characterized by UV-Vis absorption and EPR spectroscopy as well as X-ray crystallography. For the first time a combination of chiroptical methods involving ECD, ORD, and VCD, supported by quantum mechanical predictions, enabled the elucidation of the absolute configuration of such open-shell helical species.