Preparation and Characterization of a Halogen-Bonded Shape-Persistent Chiral Alleno-acetylenic Inclusion Complex

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• 作者：Silvia Castro-Fernández ; Inmaculada R. Lahoz ; Antonio L. Llamas-Saiz ; José Lorenzo Alonso-Gómez ; María-Magdalena Cid ; Armando Navarro-Vázquez
• 刊名：Organic Letters
• 出版年：2014
• 出版时间：February 21, 2014
• 年：2014
• 卷：16
• 期：4
• 页码：1136-1139
• 全文大小：272K
• ISSN：1523-7052

文摘

A chiral bidentate inclusion complex has been formed by halogen-bond interaction between the pyridyl moieties of a pyridoallenoacetylenic host and octafluorodiiodobutane. X-ray crystallography showed that the guest adopts a chiral conformation inside the molecular channels formed by stacking of the host units. A 10 ppm shielding of the ¹⁵N NMR resonance for the pyridil units provided evidence of the formation of the halogen-bond complex in solution.