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Rigid, Bistable Molecular Shuttles Combining T‐shaped Benzimidazolium and Y‐shaped Imidazolium Recognition Sites
Author(s) -
Farahani Nasim,
Zhu Kelong,
Loeb Stephen J.
Publication year - 2016
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.201600128
Subject(s) - rotaxane , bistability , molecular recognition , crown ether , chemistry , ether , polymer chemistry , molecular machine , supramolecular chemistry , molecule , stereochemistry , materials science , organic chemistry , nanotechnology , ion , optoelectronics
Two different recognition sites, one a T‐shaped 2,4,7‐triphenylbenzimidazolium and the other a Y‐shaped 2,4,5‐triphenylimidazolium are combined to construct a rigid bistable [2]rotaxane molecular shuttle on which the position of a 24‐membered crown ether macrocycle can be controlled by acid–base chemistry. Molecular shuttling in both the neutral and dicationic versions were studied.