Towards “drug-like” indole-based transmembrane anion transporters

Gale, Philip A, Pérez Tomás, Ricardo, Wenzel, Marco, Light, Mark E., Morley, Rebeka, Bradberry, Samuel, Soto Cerrato, Vanessa and Gomez Iglesias, Patricia (2012) Towards “drug-like” indole-based transmembrane anion transporters. Chemical Science (doi:10.1039/C2SC20551C).


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A series of mono-ureas and mono-thioureas, some incorporating a trifluoromethyl group, have been synthesised and their ability to facilitate ion transport assessed using a combination of ion selective electrode and fluorescence techniques. Chloride/nitrate and chloride/bicarbonate antiport and HCl symport processes were examined using phospholipid vesicles as a model system. In general, the trifluoromethyl functionalised receptors showed greater transport activity than unfluorinated analogous systems, corresponding with increased clogP. The most active transporter facilitated chloride efflux from phospholipid vesicles at receptor to lipid ratios as low as 1:20,000. In addition, in vitro fluorescence and viability assays indicated that the most potent anion transporters induced apoptosis in human cancer cell lines.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1039/C2SC20551C
ISSNs: 2041-6520 (print)
2041-6539 (electronic)
Related URLs:
Subjects: Q Science > QD Chemistry
Divisions : Faculty of Natural and Environmental Sciences > Chemistry > Organic Chemistry: Synthesis, Catalysis and Flow
ePrint ID: 340034
Accepted Date and Publication Date:
1 June 2012Published
Date Deposited: 07 Jun 2012 12:42
Last Modified: 31 Mar 2016 14:29
Selective Receptors for the Transmembrane Transport of Bicarbonate Anion
Funded by: EPSRC (EP/G002576/1)
Led by: Philip Alan Gale
1 October 2008 to 31 March 2012

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