The one-pot synthesis and fluorimetric study of 3-(2′-benzothiazolyl)coumarins

A novel, piperidene-catalysed, one-pot synthesis of 3-(2′-benzothiazolyl)coumarins was undertaken, starting from salicylaldehydes, ethyl cyanoacetate and o-aminobenzenethiols in ethanol. Salicylaldehydes with electron-donating group gave optimum yields. The novel method is characterized by mild reac...

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Veröffentlicht in:	Dyes and pigments 2010-07, Vol.86 (2), p.123-128
Hauptverfasser:	Zhou, Shihai, Jia, Jianhong, Gao, JianRong, Han, Liang, Li, Yujin, Sheng, Weijian
Format:	Artikel
Sprache:	eng
Schlagworte:	3-(2′-benzothiazolyl)coumarin Catalysis Dyes Ethanol Ethyl alcohol Fluorescence One-pot synthesis Optimization Piperidine Spectra Synthesis Three-dimensional fluorescence spectra Wastes
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