Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
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Halochromic Chiroptical Response of Novel Bis(9-acridinyl)-type Fluorophores with a Helical π Framework
Tatsuo NehiraYasuyo YoshimotoKazuhisa WadaHidetoshi KawaiKenshu FujiwaraTakanori Suzuki
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JOURNALS OPEN ACCESS

2010 Volume 39 Issue 3 Pages 165-167

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Abstract

Acridine-based novel fluorophores 1/2 with a helical dihydrodibenzoxepin/azepine skeleton exhibit halochromic response upon addition of Brønsted acid in CH2Cl2, thus giving UV–vis and fluorescence spectral changes. By using the optically resolved species [(M)-1/2], circular dichroism (CD) and fluorescence detected-CD (FDCD) signals were also changed drastically, thus demonstrating four-way-output response thanks to configurational stability of helicity and efficient exciton coupling.

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© 2010 The Chemical Society of Japan
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