Chemical Communications 2008-12-21

Highly sensitive and selective Pd2+ sensor of naphthalimide derivative based on complexation with alkynes and thio-heterocycle.

Liping Duan, Yufang Xu, Xuhong Qian

Index: Chem. Commun. (Camb.) (47) , 6339-41, (2008)

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Abstract

A new fluorescent Pd2+ sensor , N-butyl-4-(p-methyloxy)-phenylethynyl-5-thiophenemethylamino-1,8-naphthalimide, was designed and synthesized. It showed highly selective on-off fluorescence changes for Pd2+ among the representative transition and heavy metallic cations, and its fluorescence was efficiently quenched by 5 equivalents of Pd2+ in buffer solution. The sensor also displayed a selective chromogenic behavior toward Pd2+ from yellow to black-red, which could be easily observed by the naked eye.

Related Compounds

  • thienylmethylamine

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