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Wiley-VCH Verlag, ChemInform, 29(45), p. no-no, 2014

DOI: 10.1002/chin.201429178

Elsevier, European Journal of Medicinal Chemistry, (73), p. 295-309

DOI: 10.1016/j.ejmech.2013.11.022

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7-Chloroquinolinotriazoles: Synthesis by the azide–alkyne cycloaddition click chemistry, antimalarial activity, cytotoxicity and SAR studies

This paper is available in a repository.
This paper is available in a repository.

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Abstract

Twenty-seven 7-chloroquinolinotriazole derivatives with different substituents in the triazole moiety were synthesized via copper-catalyzed cycloaddition (CuAAC) click chemistry between 4-azido-7-chloroquinoline and several alkynes. All the synthetic compounds were evaluated for their in vitro activity against Plasmodium falciparum (W2) and cytotoxicity to Hep G2A16 cells. All the products disclosed low cytotoxicity (CC50 > 100 μM) and five of them have shown moderate antimalarial activity (IC50 from 9.6 to 40.9 μM). As chloroquine analogs it was expected that these compounds might inhibit the heme polymerization and SAR studies were performed aiming to explain their antimalarial profile. New structural variations can be designed on the basis of the results obtained.