Enantioselective Esterification of Prochiral Phosphonate Pendants of a Polyphenylacetylene Assisted by Macromolecular Helicity:  Storage of a Dynamic Macromolecular Helicity Memory

A poly(phenylacetylene) bearing a phosphonic acid monoethyl ester as the pendant forms a one-handed helical structure induced by an optically active amine, and this helicity can be “memorized” after the amine is replaced by achiral diamines. The helicity memory lasts for an extremely long time but s...

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Veröffentlicht in:	Journal of the American Chemical Society 2005-03, Vol.127 (9), p.2960-2965
Hauptverfasser:	Onouchi, Hisanari, Miyagawa, Toyoharu, Furuko, Akira, Maeda, Katsuhiro, Yashima, Eiji
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Chemical modifications Chemical reactions and properties Exact sciences and technology Organic polymers Physicochemistry of polymers
Online-Zugang:	Volltext
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