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Template‐Directed Syntheses of Rigid Oligorotaxanes under Thermodynamic Control
Author(s) -
Belowich Matthew E.,
Valente Cory,
Stoddart J. Fraser
Publication year - 2010
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.201004304
Subject(s) - dumbbell , dynamic covalent chemistry , magic (telescope) , chemistry , control (management) , computer science , supramolecular chemistry , molecule , physics , organic chemistry , artificial intelligence , medicine , physical therapy , quantum mechanics
Strategically placing secondary dialkylammonium recognition sites at the magic distance of 3.5 Å apart in the dumbbell components of a series of oligorotaxanes (see picture) renders otherwise conformationally floppy [ n ]rotaxanes rigid and rodlike. These oligorotaxanes form with near‐quantitative conversion under thermodynamic control using dynamic covalent chemistry.