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Issue 10, 2012
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Fluorogenic sensing of CH3CO2 and H2PO4 by ditopic receptor through conformational change

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Abstract

Cyclo-bis-(urea-3,6-dichlorocarbazole) (1) forms a 1 : 2 complex with CH3CO2 and H2PO4 through hydrogen bonding with the two urea moieties, resulting in fluorescence enhancement via a combined photoinduced electron transfer (PET) and energy transfer mechanism. The binding mechanism involves a conformational change of the two urea receptors to a trans orientation after binding of the first anion, which facilitates the second interaction.

Graphical abstract: Fluorogenic sensing of CH3CO2− and H2PO4− by ditopic receptor through conformational change

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Publication details

The article was received on 28 Nov 2011, accepted on 09 Jan 2012 and first published on 01 Feb 2012


Article type: Paper
DOI: 10.1039/C2OB06994F
Citation: Org. Biomol. Chem., 2012,10, 2094-2100

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    Fluorogenic sensing of CH3CO2 and H2PO4 by ditopic receptor through conformational change

    N. Ahmed, V. Suresh, B. Shirinfar, I. Geronimo, A. Bist, I. Hwang and K. S. Kim, Org. Biomol. Chem., 2012, 10, 2094
    DOI: 10.1039/C2OB06994F

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