Journal
ORGANIC LETTERS
Volume 10, Issue 21, Pages 5015-5018Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol802117p
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Funding
- NNSF of China [20673132]
- Croucher Foundation of HongKong
- Chinese Academy of Sciences hundred talents program
- National Basic Research Program of China [2006CB933000]
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A coumarin-based colorimetric chemosensor 1 was designed and synthesized. It exhibits good sensitivity and selectivity for the copper cation over other cations such as Zn2+, Cd2+, Pb2+, Co2+, Fe2+, Ni2+, Ag+, and alkali and alkaline earth metal cations both in aqueous solution and on paper-made test kits. The change in color is very easily observed by the naked eye in the presence of Cu2+. cation, whereas other metal cations do not induce such a change. The quantitative detection of Cu2+ was preliminarily examined.
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