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- Title
The Radical Ions of Naphtho [1,8- cd]-[1,2,6]thiadiazine and Some of Its Derivatives.
- Authors
Gerson, Fabian; Plattner, Georges; Bartetzko, Richard; Gleiter, Rolf
- Abstract
The radical cations and anions of naphtho [1,8- cd]-[1,2,6]thiadiazine (1) and 6,7-dihydroacenaphtho [5, 6- cd]-[1,2,6]thiadiazine (2), as well as the radical anion of acenaphtho [5, 6- cd]-[1,2,6]thiadiazine (3) have been characterized by ESR. spectroscopy. The π-spin distributions in the radical cations \documentclass{article}\pagestyle{empty}\begin{document}$ 1^{\oplus \atop \dot{}}$\end{document} and \documentclass{article}\pagestyle{empty}\begin{document}$ 2^{\oplus \atop \dot{}}$\end{document} strongly resemble those in the iso-π-electronic phenalenyl radical. A prominent feature of the radical anions \documentclass{article}\pagestyle{empty}\begin{document}$ 1^{\ominus \atop \dot{}}$\end{document}, \documentclass{article}\pagestyle{empty}\begin{document}$ 2^{\ominus \atop \dot{}}$\end{document} and \documentclass{article}\pagestyle{empty}\begin{document}$ 3^{\ominus \atop \dot{}}$\end{document} is the substantial localization of the π-spin population on the thiadiazine fragment. These findings are satisfactorily accounted for by HMO models using conventional heteroatom parameters.
- Publication
Helvetica Chimica Acta, 1980, Vol 63, Issue 8, p2144
- ISSN
0018-019X
- Publication type
Article
- DOI
10.1002/hlca.19800630803