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The First Demonstration of Molecular Queuing in Pseudo[ n ]polyrotaxanes: A Novel Variant of Supramolecular Motion
Author(s) -
Mason Philip E.,
Parsons Ian W.,
Tolley Malcolm S.
Publication year - 1996
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199622381
Subject(s) - threading (protein sequence) , thread (computing) , supramolecular chemistry , supramolecular polymers , polymer , molecule , rotaxane , chemistry , polymer chemistry , materials science , crystallography , computer science , organic chemistry , biochemistry , protein structure , operating system
The movement of cyclophane rings along polymer chains may be appropriately described in terms of threading, passage along the thread, and unthreading (see picture). An NMR study of this shows that the molecules need to queue up in order to escape from the complexing polymer chain.