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

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• 作者：Bettina D. Gliemann ; Dr. Ana G. Petrovic ; Eva M. Zolnhofer ; Dr. Pavlo O. Dral ; Dr. Frank Hampel ; Georg Breitenbruch ; Dr. Philipp Schulze ; Dr. Vijay Raghavan ; Prof. Karsten Meyer ; Prof. Prasad L. Polavarapu ; Prof. Nina Berova and Dr. Milan Kivala
• 刊名：Chemistry – An Asian Journal
• 出版年：2017
• 出版时间：January 3, 2017
• 年：2017
• 卷：12
• 期：1
• 页码：31-35
• 全文大小：754K
• ISSN：1861-471X

文摘

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.