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Issue 38, 2016
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Alkylamide-substituted tetraphenylethylene: three modes of fluorescence based on a hydrogen-bonded excimer

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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

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Publication details

The article was received on 20 May 2016, accepted on 31 Aug 2016 and first published on 31 Aug 2016


Article type: Communication
DOI: 10.1039/C6OB01110A
Citation: Org. Biomol. Chem., 2016,14, 8922-8926
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    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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