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KMID : 1024520150240070955
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Journal of the Environmental Sciences
2015 Volume.24 No. 7 p.955 ~ p.960
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Synthesis and Fluorescent Properties of New Rhodamine B Containing Phenothiazine Moiety
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Son Moon-Su
Chang Seung-Hyun
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Abstract
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A colorimetric chemosensors Sn2+ have been designed and synthesized by three steps. The spirolactam ring-opening process of rhodamine B is one of the most useful mechanisms for controlling fluorescence properties. Herein, new fluorescent chemosensors 1 and 2 based on rhodamine B containing phenothiazine derivertive were synthesized. They exhibit selective fluorescence enhancement behaviour in the presence of Sn2+ ion. Complexation between these compounds and the metal cations were confirmed through continuous variation method. It is observed that compounds 1, 2, and Sn2+ ion are complexed by 1:1 formation. Especially the proposed compounds 1 and 2 exhibit quick, simple and facile synthetic route.
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KEYWORD
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Rhodamine B, Fluorescent, Chemosensor, Phenothiazine
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