Fluorescent molecular spring that visualizes the extension and contraction motions of a double-stranded helicate bearing terminal pyrene units triggered by release and binding of alkali metal ions

Daisuke Taura; Kaori Shimizu; Chiaki Yokota; Riho Ikeda; Yoshimasa Suzuki; Hiroki Iida; Naoki Ousaka; Eiji Yashima

doi:10.1039/C9CC06126F

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Fluorescent molecular spring that visualizes the extension and contraction motions of a double-stranded helicate bearing terminal pyrene units triggered by release and binding of alkali metal ions†

Daisuke Taura,

^ab Kaori Shimizu,^b Chiaki Yokota,^b Riho Ikeda,^a Yoshimasa Suzuki,^b Hiroki Iida,

‡^b Naoki Ousaka

^ab and Eiji Yashima

*^ab

Author affiliations

* Corresponding authors

^a Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan
E-mail: yashima@chembio.nagoya-u.ac.jp

^b Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan

Abstract

A novel double-stranded spiroborate helicate bearing terminal pyrene residues exhibited reversible fluorescence color changes (green and blue colors) due to the unique unidirectional springlike motions of the helicate triggered by catch and release of alkali metal ions.

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Article information

DOI: https://doi.org/10.1039/C9CC06126F
Article type: Communication
Submitted: 07 Aug 2019
Accepted: 13 Sep 2019
First published: 13 Sep 2019

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Chem. Commun., 2019,55, 12084-12087

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Fluorescent molecular spring that visualizes the extension and contraction motions of a double-stranded helicate bearing terminal pyrene units triggered by release and binding of alkali metal ions

D. Taura, K. Shimizu, C. Yokota, R. Ikeda, Y. Suzuki, H. Iida, N. Ousaka and E. Yashima, Chem. Commun., 2019, 55, 12084 DOI: 10.1039/C9CC06126F

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Chemical Communications

Fluorescent molecular spring that visualizes the extension and contraction motions of a double-stranded helicate bearing terminal pyrene units triggered by release and binding of alkali metal ions†

Abstract

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Fluorescent molecular spring that visualizes the extension and contraction motions of a double-stranded helicate bearing terminal pyrene units triggered by release and binding of alkali metal ions

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