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A Demonstration of Anion Templation and Selectivity in Pseudorotaxane Formation
Author(s) -
Wisner James A.,
Beer Paul D.,
Drew Michael G. B.
Publication year - 2001
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 - 10.1002/1521-3773(20011001)40:19<3606::aid-anie3606>3.0.co;2-o
Subject(s) - pyridinium , chemistry , ion , template , selectivity , chloride , combinatorial chemistry , polymer chemistry , nanotechnology , organic chemistry , materials science , catalysis
First‐ and second‐sphere coordination of a chloride anion templates the formation of a [2]pseudorotaxane (see picture) in which a pyridinium diamide threads through the annulus of a macrocyclic isophthalamide wheel. The formation of the pseudorotaxane depends on the nature of the anion involved: the use of a larger anion destabilizes the entire recognition motif.