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

Ahmed, Nisar, Suresh, Vangaru, Shirinfar, Bahareh, Geronimo, Inacrist, Bist, Amita, Hwang, In-Chul and Kim, Kwang S. 2012. Fluorogenic sensing of CH3CO2 and H2PO4 by ditopic receptor through conformational change. Organic & Biomolecular Chemistry 10 (10) , pp. 2094-2100. 10.1039/c2ob06994f

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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.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Subjects: Q Science > QD Chemistry
Publisher: Royal Society of Chemistry
ISSN: 1477-0520
Last Modified: 07 Jun 2017 09:42
URI: http://orca.cf.ac.uk/id/eprint/100428

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