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Issue 22, 2019
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Nucleophilic addition of phosphorus(iii) derivatives to squaraines: colorimetric detection of transition metal-mediated or thermal reversion

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Abstract

Nucleophilic addition of phosphorus(III) agents to the electrophilic core of intensely colored squaraine dyes gives a bleached zwitterionic adduct in good to excellent yields (up to 99%) at room temperature. The process can be reversed by adding specific transition metal complexes with high phosphorous(III) affinity.

Graphical abstract: Nucleophilic addition of phosphorus(iii) derivatives to squaraines: colorimetric detection of transition metal-mediated or thermal reversion

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Article information


Submitted
12 Feb 2019
Accepted
20 Feb 2019
First published
27 Feb 2019

Chem. Commun., 2019,55, 3286-3289
Article type
Communication
Author version available

Nucleophilic addition of phosphorus(III) derivatives to squaraines: colorimetric detection of transition metal-mediated or thermal reversion

E. P. Bacher, A. J. Lepore, D. Pena-Romero, B. D. Smith and B. L. Ashfeld, Chem. Commun., 2019, 55, 3286
DOI: 10.1039/C9CC01243E

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