Hydrogen-Bonding-Induced One-Handed Helical Polynorbornenes Appended With Chiral Alanine
Resource
MACROMOLECULAR CHEMISTRY AND PHYSICS, 212(21),2328-2338
Journal
Macromolecular Chemistry and Physics
Journal Volume
212
Journal Issue
21
Pages
2328-2338
Date Issued
2011
Date
2011
Author(s)
Abstract
Abstract Polynorbornenes appended with anthracene and chiral alanine linkers are synthesized. Hydrogen bonding between the adjacent bisamidic linkers brings adjacent anthracene chromophores in a more suitable orientation for exciton coupling and renders one‐handed helical structures for these polymers. Excimer formation is observed from their emission spectra. Monoamidic linkers provide only one hydrogen bond, which would be less robust and result in much lower circular dichroic response.
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Type
journal article
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