Halide Recognition by Tetraoxacalix[2]arene[2]triazine Receptors: Concurrent Noncovalent Halide–π and Lone‐pair–π Interactions in Host–Halide–Water Ternary Complexes | Zendy

Wang DeXian | Zendy; Zheng QiYu | Zendy; Wang QiQiang | Zendy; Wang MeiXiang | Zendy

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Halide Recognition by Tetraoxacalix[2]arene[2]triazine Receptors: Concurrent Noncovalent Halide–π and Lone‐pair–π Interactions in Host–Halide–Water Ternary Complexes

Author(s) -

Wang DeXian,

Zheng QiYu,

Wang QiQiang,

Wang MeiXiang

Publication year - 2008

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200801705

Subject(s) - halide , lone pair , ternary operation , chemistry , host–guest chemistry , triazine , supramolecular chemistry , non covalent interactions , molecule , crystallography , stereochemistry , polymer chemistry , organic chemistry , computer science , hydrogen bond , programming language

Cleft of center : The self fine‐tuning π‐deficient cleft of 1,3‐dichloro‐substituted tetraoxacalix[2]arene[2]triazine forms noncovalent π–halide and π–lone‐pair‐electron interactions with halides Cl − and Br − , and water, giving rise to ternary complexes in the solid state (see structure, N blue). In solution, the host molecule, formed by a different mechanism, complexes with fluoride, giving K a (1:1) of over 4000 M −1 .

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