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Issue 8, 2017
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Synthesis and fluorescence properties of novel squarylium–boron complexes

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Abstract

A novel boron complex based on a squarylium dye was synthesized by a simple two-step procedure starting from the pyrrole derivative. The absorption and fluorescence maxima of the squarylium–boron complex were slightly blue-shifted relative to those of the corresponding squarylium dye, and the fluorescence quantum yield of the former increased significantly. Deprotonation of the squarylium–boron complex led to the formation of the corresponding anion, with a further blue-shift of the absorption and fluorescence maxima.

Graphical abstract: Synthesis and fluorescence properties of novel squarylium–boron complexes

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Publication details

The article was received on 22 Mar 2017, accepted on 20 Apr 2017 and first published on 28 Apr 2017


Article type: Research Article
DOI: 10.1039/C7QO00225D
Citation: Org. Chem. Front., 2017,4, 1522-1527
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    Synthesis and fluorescence properties of novel squarylium–boron complexes

    Y. Kubota, M. Tsukamoto, K. Ohnishi, J. Jin, K. Funabiki and M. Matsui, Org. Chem. Front., 2017, 4, 1522
    DOI: 10.1039/C7QO00225D

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