Simple pyrazoline and pyrazole “turn on” fluorescent sensors selective for Cd2+ and Zn2+ in MeCN

Reference:

Ciupa, A., Mahon, M., De Bank, P. and Caggiano, L., 2012. Simple pyrazoline and pyrazole “turn on” fluorescent sensors selective for Cd2+ and Zn2+ in MeCN. Organic and Biomolecular Chemistry, 10 (44), pp. 8753-8757.

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Official URL:

http://dx.doi.org/10.1039/c2ob26608c

Abstract

An efficient two-step synthesis of pyrazoline ligand 1 is described which is an effective “turn on” fluorescent sensor for Cd2+ in MeCN. Oxidation to the corresponding pyrazole ligand 2 creates a “turn on” fluorescent sensor now selective for Zn2+ and able to distinguish it from Cd2+.

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