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  • Title: Synthesis and in vitro antiplasmodial evaluation of 4-anilino-2-trichloromethylquinazolines.
    Author: Verhaeghe P, Azas N, Hutter S, Castera-Ducros C, Laget M, Dumètre A, Gasquet M, Reboul JP, Rault S, Rathelot P, Vanelle P.
    Journal: Bioorg Med Chem; 2009 Jul 01; 17(13):4313-22. PubMed ID: 19482476.
    Abstract:
    To identify a new safe antiplasmodial molecular scaffold, an original series of 2-trichloromethylquinazolines, functionalized in position 4 by an alkyl- or arylamino substituent, was synthesized from 4-chloro-2-trichloromethylquinazoline 1, via a cheap, fast and efficient solvent-free operating procedure. Among the 40 molecules prepared, several exhibit a good profile with both a significant antiplasmodial activity on the W2 Plasmodium falciparum strain (IC(50) values: 0.4-2.2 microM) and a promising toxicological behavior regarding human cells (HepG2/W2 selectivity indexes: 40-83), compared to the antimalarial drug compounds chloroquine and doxycycline. The in vitro antitoxoplasmic and antileishmanial evaluations were conducted in parallel on the most active molecules, showing that these ones specifically display antiplasmodial properties.
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