Helix–helix inversion of an optically-inactive π-conjugated foldamer triggered by concentration changes of a single enantiomeric guest leading to a change in the helical stability

Lijia Liu; Naoki Ousaka; Miki Horie; Fumihiko Mamiya; Eiji Yashima

doi:10.1039/C6CC05753E

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Helix–helix inversion of an optically-inactive π-conjugated foldamer triggered by concentration changes of a single enantiomeric guest leading to a change in the helical stability†

Lijia Liu,^ab Naoki Ousaka,*^a Miki Horie,^a Fumihiko Mamiya^a and Eiji Yashima*^a

Author affiliations

* Corresponding authors

^a Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
E-mail: ousaka@apchem.nagoya-u.ac.jp, yashima@apchem.nagoya-u.ac.jp
Fax: +81 52-789-3185

^b Polymer Materials Research Center, Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, China

Abstract

A preferred-handed helicity induced in an optically-inactive poly(phenyleneethynylene)-based foldamer bearing carboxylic acid pendants upon complexation with a single enantiomeric diamine was subsequently inverted into the opposite helix upon further addition of the diamine, accompanied by a remarkable change in the stability of the helices.

This article is part of the themed collection: Chirality at the nanoscale

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Article information

DOI: https://doi.org/10.1039/C6CC05753E
Article type: Communication
Submitted: 13 Jul 2016
Accepted: 18 Aug 2016
First published: 18 Aug 2016
This article is Open Access

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Chem. Commun., 2016,52, 11752-11755

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Helix–helix inversion of an optically-inactive π-conjugated foldamer triggered by concentration changes of a single enantiomeric guest leading to a change in the helical stability

L. Liu, N. Ousaka, M. Horie, F. Mamiya and E. Yashima, Chem. Commun., 2016, 52, 11752 DOI: 10.1039/C6CC05753E

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Chemical Communications

Helix–helix inversion of an optically-inactive π-conjugated foldamer triggered by concentration changes of a single enantiomeric guest leading to a change in the helical stability†

Abstract

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Helix–helix inversion of an optically-inactive π-conjugated foldamer triggered by concentration changes of a single enantiomeric guest leading to a change in the helical stability

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