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A colorimetric and fluorescent turn-on chemosensor operative in aqueous media for Zn2+ based on a multifunctionalized spirobenzopyran derivative

✍ Scribed by Zhu, Jian-Fa; Yuan, Han; Chan, Wing-Hong; Lee, Albert W. M.


Book ID
118222658
Publisher
Royal Society of Chemistry
Year
2010
Tongue
English
Weight
547 KB
Volume
8
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