Issue 52, 2012
From the journal:

Chemical Communications

Reversible helix–random coil transition of poly(m-phenylenediethynylene) by a rotaxane switch†‡

Sakiko Suzuki,a   Fumitaka Ishiwari,a   Kazuko Nakazonoa  and  Toshikazu Takata*a  

* Corresponding authors

a Department of Organic and Polymeric Materials, Tokyo Institute of Technology, 2-12-1 (H-126), O-okayama, Meguro-ku, Tokyo 152-8552, Japan
E-mail: ttakata@polymer.titech.ac.jp

Abstract

Pendant rotaxane switch-tethering poly(m-phenylene diethynylene) was synthesized by the polyoxidative coupling of a rotaxane containing an axle-terminal m-diethynylbenzene group and an optically active crown ether. The reversible helix–random coil transition of the polymer was successfully performed by the positional switching of the rotaxane wheel.

Graphical abstract: Reversible helix–random coil transition of poly(m-phenylenediethynylene) by a rotaxane switch

  • This article is part of the themed collection: Chirality
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Article information

DOI
https://doi.org/10.1039/C2CC18116A
Article type
Communication
Submitted
28 Dec 2011
Accepted
06 Mar 2012
First published
27 Mar 2012

Chem. Commun., 2012,48, 6478-6480

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Reversible helix–random coil transition of poly(m-phenylenediethynylene) by a rotaxane switch

S. Suzuki, F. Ishiwari, K. Nakazono and T. Takata, Chem. Commun., 2012, 48, 6478 DOI: 10.1039/C2CC18116A

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