An Aqueous Molecular Tube With Polyaromatic Frameworks Capable ...

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Chemical Science

An aqueous molecular tube with polyaromatic frameworks capable of binding fluorescent dyes†

Keita Hagiwara,a Munetaka Akitaa and Michito Yoshizawa*a Author affiliations

* Corresponding authors

a Chemical Resources Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan E-mail: [email protected]

Abstract

An aqueous molecular tube composed of polyaromatic frameworks with peripheral hydrophilic groups was prepared. The new tube has a well-defined hydrophobic cavity with a diameter of ∼1 nm and quantitatively binds two molecules of fluorescent coumarin dyes in aqueous solutions. The bound coumarin dimers in a stacked fashion exhibit unusual excimer-like emissions in the confined space through efficient host–guest energy transfer.

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Article information

DOI https://doi.org/10.1039/C4SC02377C Article type Edge Article Submitted 06 Aug 2014 Accepted 12 Sep 2014 First published 12 Sep 2014 This article is Open Access All publication charges for this article have been paid for by the Royal Society of Chemistry

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Chem. Sci., 2015,6, 259-263 BibTex EndNote MEDLINE ProCite ReferenceManager RefWorks RIS

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An aqueous molecular tube with polyaromatic frameworks capable of binding fluorescent dyes

K. Hagiwara, M. Akita and M. Yoshizawa, Chem. Sci., 2015, 6, 259 DOI: 10.1039/C4SC02377C

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

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