Heptacene: Increased Persistence of a 4n+2 π-Electron Polycyclic Aromatic Hydrocarbon by Oxidation to the 4n π-Electron Dication

被引：54

作者：

Einholz, Ralf ^{[1
]}

Bettinger, Holger F. ^{[1
]}

机构：

[1] Univ Tubingen, Inst Organ Chem, D-72076 Tubingen, Germany

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2013年 / 52卷 / 37期

关键词：

aromaticity; dications; heptacene; sulfuric acid; UV; Vis spectroscopy; ESR-SPECTRUM SPREAD; CONFIGURATION-INTERACTION; PENTACENE ANION; GROUND-STATE; ACENES; PHOTOGENERATION; REACTIVITY; STABILITY; HEXACENE;

D O I：

10.1002/anie.201209722

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

An unexpectedly stable dication: Heptacene (a 4n+2 π-electron compound) is so highly reactive that it cannot be isolated. Its dication (a 4n π-electron compound) can be obtained from heptacene dimers/oligomers in sulfuric acid at room temperature and can be kept for more than one year in the absence of oxygen. (See picture for the UV/Vis-NIR spectra of the dications of tetracene to heptacene.) Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：9818 / 9820

页数：3

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