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Electron Delocalization in Reduced Forms of 2-(BMes<sub>2</sub>)pyrene and 2,7-Bis(BMes<sub>2</sub>)pyrene

Electron Delocalization in Reduced Forms of 2-(BMes2)pyrene and 2,7-Bis(BMes2)pyrene

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Prüfsumme: MD5:524fcba6b8781506ddb0d7d577807360

JI, Lei, Robert M. EDKINS, Andreas LORBACH, Ivo KRUMMENACHER, Charlotte BRÜCKNER, Antonius EICHHORN, Holger BRAUNSCHWEIG, Bernd ENGELS, Paul J. LOW, Todd B. MARDER, 2015. Electron Delocalization in Reduced Forms of 2-(BMes2)pyrene and 2,7-Bis(BMes2)pyrene. In: Journal of the American Chemical Society. 137(21), pp. 6750-6753. ISSN 0002-7863. eISSN 1520-5126. Available under: doi: 10.1021/jacs.5b03805

@article{Ji2015-06-03Elect-39187, title={Electron Delocalization in Reduced Forms of 2-(BMes2)pyrene and 2,7-Bis(BMes2)pyrene}, year={2015}, doi={10.1021/jacs.5b03805}, number={21}, volume={137}, issn={0002-7863}, journal={Journal of the American Chemical Society}, pages={6750--6753}, author={Ji, Lei and Edkins, Robert M. and Lorbach, Andreas and Krummenacher, Ivo and Brückner, Charlotte and Eichhorn, Antonius and Braunschweig, Holger and Engels, Bernd and Low, Paul J. and Marder, Todd B.} }

Low, Paul J. Electron Delocalization in Reduced Forms of 2-(BMes<sub>2</sub>)pyrene and 2,7-Bis(BMes<sub>2</sub>)pyrene Edkins, Robert M. Marder, Todd B. Brückner, Charlotte Engels, Bernd 2015-06-03 2017-06-09T07:23:46Z Ji, Lei Marder, Todd B. Reduction of 2-(BMes<sub>2</sub>)pyrene (B<sub>1</sub>) and 2,7-bis(BMes<sub>2</sub>)pyrene (B<sub>2</sub>) gives rise to anions with extensive delocalization over the pyrenylene bridge and between the boron centers at the 2- and 2,7-positions, the typically unconjugated sites in the pyrene framework. One-electron reduction of B<sub>2</sub> gives a radical anion with a centrosymmetric semiquinoidal structure, while two-electron reduction produces a quinoidal singlet dianion with biradicaloid character and a relatively large S<sub>0</sub>-T<sub>1</sub> gap. These results have been confirmed by cyclic voltammetry, X-ray crystallography, DFT/CASSCF calculations, NMR, EPR, and UV-vis-NIR spectroscopy. Braunschweig, Holger Ji, Lei Braunschweig, Holger Lorbach, Andreas Eichhorn, Antonius Krummenacher, Ivo Engels, Bernd Krummenacher, Ivo eng Edkins, Robert M. Brückner, Charlotte 2017-06-09T07:23:46Z Lorbach, Andreas Eichhorn, Antonius Low, Paul J.

Dateiabrufe seit 09.06.2017 (Informationen über die Zugriffsstatistik)

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