Rotation of Aryl Groups in 9,10-Diarylphenanthrenes: Does the Rotational Barrier Become Lower as the Backbone Becomes More Crowded?

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• 作者：Jen-Yi Li ; Hung-Ing Chang ; Chieh-Ning Feng ; Yao-Ting Wu
• 刊名：Organic Letters
• 出版年：2016
• 出版时间：December 16, 2016
• 年：2016
• 卷：18
• 期：24
• 页码：6444-6447
• 全文大小：311K
• ISSN：1523-7052

文摘

A series of 9,10-diarylphenanthrenes was prepared, and their structures and dynamic behaviors were both theoretically and experimentally investigated. A more twisted and crowded phenanthrene backbone was associated with a lower barrier to the rotation of an aryl group.