A Fluorescence Turn-on Detection of Cyanide in Aqueous Solution Based on the Aggregation-Induced Emission

A Fluorescence Turn-on Detection of Cyanide in Aqueous Solution Based on the Aggregation-Induced Emission

The nucleophilic addition of cyanide to the trifluoroacetylamino group in 2 yields an amphiphilic species which would induce the aggregation of silole 1, and as a result, the fluorescence of the ensemble increases largely. Accordingly, a fluorescence turn-on detection of cyanide in aqueous solution...

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Bibliographic Details
Published in:Organic letters Vol. 11; no. 9; pp. 1943 - 1946
Main Authors: Peng, Lihua, Wang, Ming, Zhang, Guanxin, Zhang, Deqing, Zhu, Daoben
Format: Journal Article
Language:English
Published: United States American Chemical Society 07-05-2009
Subjects:
Cyanides - analysis
Fluorescence
Molecular Structure
Silanes - chemical synthesis
Silanes - chemistry
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Summary:The nucleophilic addition of cyanide to the trifluoroacetylamino group in 2 yields an amphiphilic species which would induce the aggregation of silole 1, and as a result, the fluorescence of the ensemble increases largely. Accordingly, a fluorescence turn-on detection of cyanide in aqueous solution can be established with the ensemble of silole 1 and compound 2. Also, this ensemble displays good selectivity toward cyanide over other common inorganic anions.
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ISSN:1523-7060
1523-7052
DOI:10.1021/ol900376r