Coumarinic fluorescent chemosensors for the detection of transition metal ions |
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| Authors: | J Bourson F Badaoui B Valeur |
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| Institution: | 1. Laboratoire de Chimie Générale (CNRS ER77), Conservatoire National des Arts et Métiers, 292 rue Saint Martin, 75003, Paris, France
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| Abstract: | Fluoroionophores consisting of coumarin-153 linked to mono- and diaza-crown ethers are able to complex transition metal cations (Ni2+, Zn2+, Cd2+) and Pb2+, with concomitant large changes in photophysical properties. The stability constants in acetonitrile are higher than 3×106
M
–1 except for Ni2+. |
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| Keywords: | Coumarin transition metal ions crown ethers fluoroionophores |
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