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Issue 40, 2017, Issue in Progress
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A novel long-wavelength fluorescent probe for discrimination of different palladium species based on Pd-catalyzed reactions

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Abstract

We have synthesized a novel long-wavelength fluorescent probe MFC for detection of palladium (Pd0). This probe not only shows high selectivity for palladium, but also could quickly discriminate different palladium species (Pd0, Pd2+, Pd4+) in phosphate buffered solution. After the reaction with Pd(PPh3)4, the UV absorption of the probe MFC shifts from 334 nm to 594 nm within a few minutes. The probe MFC conjugated with alkyl carbamate, which destroys the principle of intramolecular charge transfer (ICT) and shows weak fluorescence. Based on the Pd0-catalyzed Tsuji–Trost deallylation reaction, the fluorogen was released and the fluorescence intensity at 612 nm was observed with 13-fold enhancement along with an obvious color change from yellow to purple with low detection limit.

Graphical abstract: A novel long-wavelength fluorescent probe for discrimination of different palladium species based on Pd-catalyzed reactions

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Supplementary files

Article information


Submitted
11 Feb 2017
Accepted
03 May 2017
First published
10 May 2017

This article is Open Access

RSC Adv., 2017,7, 24822-24827
Article type
Paper

A novel long-wavelength fluorescent probe for discrimination of different palladium species based on Pd-catalyzed reactions

T. Yu, G. Yin, P. Yin, Y. Zeng, H. Li, Y. Zhang and S. Yao, RSC Adv., 2017, 7, 24822
DOI: 10.1039/C7RA01731F

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