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Halogen Bonding Driven Supramolecular Helix of Bilateral N-Amidothioureas Bearing β-Turns
时间:2017-06-08 10:19:38
分类:JACS
作品信息

期刊

JACS

标题

Halogen Bonding Driven Supramolecular Helix of Bilateral N-Amidothioureas Bearing β-Turns

作者

Jinlian Cao, Xiaosheng Yan, Wenbin He, Xiaorui Li, Zhao Li†, Yirong Mo, Maili Liu, Yun-Bao Jiang

摘要

We report the first example of C–I···π halogen bonding driven supramolecular helix in highly dilute solution of micromolar concentration, using alanine based bilateral I-substituted N-amidothioureas that contain helical fragments, the β-turn structures. The halogen bonding interactions afford head-to-tail linkages that help to propagate the helicity of the helical fragments. In support of this action of the halogen bonding, chiral amplification was observed in the supramolecular helix formed in acetonitrile solution. The present finding provides alternative tools in the design of self-assembling macromolecules

原文链接

http://pubs.acs.org/doi/abs/10.1021/jacs.6b13171

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