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A new ratiometric and colorimetric chemosensor for cyanide anion based on Coumarin–hemicyanine hybrid

✍ Scribed by Yang, Zhenghao; Liu, Zhipeng; Chen, Yuncong; Wang, Xiaoqing; He, Weijiang; Lu, Yi

Book ID
111859411
Publisher
Royal Society of Chemistry
Year
2012
Tongue
English
Weight
820 KB
Volume
10
Category
Article
ISSN
1477-0520

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Turn-on" fluorescence Zn(II) ion a b s t r a c t A coumarin Shiff-base derivative, 7-hydroxy-3-(2-hydroxybenzylideneamino)-2H-chromen-2-one (CSB), was obtained by simple two-step organic synthesis from cheap and commercially available starting materials. CSB has nearly no fluorescence in CH 3 CN sol