Efficient syntheses of pillar[6]arene-based hetero[4]rotaxanes using a cooperative capture strategy

While a single pillar[6]arene ring, nestling between two cucurbit[6]uril rings in a series of three hetero[4]rotaxanes, is conformationally mobile in solution, it adopts the energetically most favourable conformation with local C3V symmetry in the solid state.

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2014-01, Vol.50 (47), p.6196-6199
Main Authors: Hou, Xisen, Ke, Chenfeng, Cheng, Chuyang, Song, Nan, Blackburn, Anthea K, Sarjeant, Amy A, Botros, Youssry Y, Yang, Ying-Wei, Stoddart, J Fraser
Format: Article
Language:English
Subjects:
Molecular Structure
Pyridinium Compounds - chemistry
Quaternary Ammonium Compounds - chemical synthesis
Quaternary Ammonium Compounds - chemistry
Rotaxanes - chemistry
Solid state
Strategy
Symmetry
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Summary:While a single pillar[6]arene ring, nestling between two cucurbit[6]uril rings in a series of three hetero[4]rotaxanes, is conformationally mobile in solution, it adopts the energetically most favourable conformation with local C3V symmetry in the solid state.
ISSN:1359-7345
1364-548X
DOI:10.1039/c4cc00733f