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

Ahmed, Nisar ORCID: https://orcid.org/0000-0002-7954-5251, 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:	21 Oct 2022 07:40
URI:	https://orca.cardiff.ac.uk/id/eprint/100428

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