| Online-Ressource |
Verfasst von: | Intorp, Sebastian [VerfasserIn]  |
| Hodecker, Manuel [VerfasserIn]  |
| Müller, Matthias [VerfasserIn]  |
| Tverskoy, Olena [VerfasserIn]  |
| Rosenkranz, Marco [VerfasserIn]  |
| Dmitrieva, Evgenia [VerfasserIn]  |
| Popov, Alexey A. [VerfasserIn]  |
| Rominger, Frank [VerfasserIn]  |
| Freudenberg, Jan [VerfasserIn]  |
| Dreuw, Andreas [VerfasserIn]  |
| Bunz, Uwe H. F. [VerfasserIn]  |
Titel: | Quinoidal azaacenes |
Titelzusatz: | 99 % diradical character |
Verf.angabe: | Sebastian N. Intorp, Manuel Hodecker, Matthias Müller, Olena Tverskoy, Marco Rosenkranz, Evgenia Dmitrieva, Alexey A. Popov, Frank Rominger, Jan Freudenberg, Andreas Dreuw, and Uwe H.F. Bunz |
E-Jahr: | 2020 |
Jahr: | 19 March 2020 |
Umfang: | 6 S. |
Fussnoten: | Version of record online: April 28, 2020 ; Gesehen am 12.11.2021 |
Titel Quelle: | Enthalten in: Angewandte Chemie / International edition |
Ort Quelle: | Weinheim : Wiley-VCH, 1962 |
Jahr Quelle: | 2020 |
Band/Heft Quelle: | 59(2020), 30, Seite 12396-12401 |
ISSN Quelle: | 1521-3773 |
Abstract: | Quinoidal azaacenes with almost pure diradical character (y=0.95 to y=0.99) were synthesized. All compounds exhibit paramagnetic behavior investigated by EPR and NMR spectroscopy, and SQUID measurements, revealing thermally populated triplet states with an extremely low-energy gap ΔEST′ of 0.58 to 1.0 kcal mol−1. The species are persistent in solution (half-life≈14-21 h) and in the solid state they are stable for weeks. |
DOI: | doi:10.1002/anie.201915977 |
URL: | kostenfrei: Volltext ; Verlag: https://doi.org/10.1002/anie.201915977 |
| kostenfrei: Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/anie.201915977 |
| DOI: https://doi.org/10.1002/anie.201915977 |
Datenträger: | Online-Ressource |
Sprache: | eng |
Sach-SW: | acenes |
| heteroaromatics |
| radicals |
| structure elucidation |
| synthetic methods |
K10plus-PPN: | 1777371430 |
Verknüpfungen: | → Zeitschrift |
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Lokale URL UB: | Zum Volltext |
Quinoidal azaacenes / Intorp, Sebastian [VerfasserIn]; 19 March 2020 (Online-Ressource)