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Chem Commun (Camb). 2014 Dec 7;50(94):14748-51. doi: 10.1039/c4cc07308h.

Anion binding modes in cis-trans-isomers of a binding site-fluorophore-π-extended system.

Author information

1
School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, P. R. China. cxliu@sit.edu.cn.

Abstract

The cis- and trans-configurational isomers of 3 are designed and investigated as chemodosimeters for CN(-) ions for the first time. The cis-3 reveals a NIR absorbance at 717 nm (vs. trans-3, 620 nm), and such a configurational difference can be attributed to the acidity as well as position of the binding site (CH group). A probable sensing mechanism involving cyanide-driven carbanion electron-transfer oxidation is proposed.

PMID:
25318080
DOI:
10.1039/c4cc07308h
[Indexed for MEDLINE]

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