Issue 38, 2016

Alkylamide-substituted tetraphenylethylene: three modes of fluorescence based on a hydrogen-bonded excimer

Abstract

Three modes of emission, with different intensities and wavelengths were observed in tetraphenylethylenetetraamide 1 depending on the solvent, concentration and continuous irradiation with light, where intermolecular hydrogen bonds between amide units played a significant role. Limitation of the motility of molecule 1 in the excited state by intermolecular hydrogen bonding is the key for observation of fluorescence even in the solution and transformation to the corresponding 9,10-diphenylphenanthrene derivative.

Graphical abstract: Alkylamide-substituted tetraphenylethylene: three modes of fluorescence based on a hydrogen-bonded excimer

Supplementary files

Article information

Article type
Communication
Submitted
20 maí 2016
Accepted
31 ágú. 2016
First published
31 ágú. 2016

Org. Biomol. Chem., 2016,14, 8922-8926

Alkylamide-substituted tetraphenylethylene: three modes of fluorescence based on a hydrogen-bonded excimer

T. Takeda, S. Yamamoto, M. Mitsuishi and T. Akutagawa, Org. Biomol. Chem., 2016, 14, 8922 DOI: 10.1039/C6OB01110A

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