Synthesis and antiplasmodial activity of new N-[3-(4-{3-[(7-chloroquinolin-4-yl)amino]propyl}piperazin-1-yl)propyl]carboxamides

Bioorganic & Medicinal Chemistry
2007.0

Abstract

The parallel acylation of N-{3-[4-(3-aminopropyl)piperazin-1-yl]propyl}-7-chloroquinolin-4-amine with polymer-bound carboxylic acids opened straightforward access to novel aminoquinolines with activity against Plasmodium falciparum strains in vitro. Using this amino scaffold prepared in solution and polymer-bound carboxylic, we have synthesized a series of 29 new compounds in good to excellent yield and purity. Biological evaluation included determination of the activity against a chloroquine (CQ) sensitive strain and a CQ resistant mutant. Most of the novel structures presented here displayed activity against both strains in the lower nanomolar range, four compounds showed an at least fourfold increase in the ratio of inhibition of CQ resistant to sensitive strains over CQ itself. These results suggest that this derivatization technique is a useful method to speed up structure-activity relationship studies on aminoquinolines toward improved activity versus CQ resistant strains of P. falciparum in vitro.

Knowledge Graph

Similar Paper

Synthesis and antiplasmodial activity of new N-[3-(4-{3-[(7-chloroquinolin-4-yl)amino]propyl}piperazin-1-yl)propyl]carboxamides
Bioorganic & Medicinal Chemistry 2007.0
Antiplasmodial activity of new 4-aminoquinoline derivatives against chloroquine resistant strain
Bioorganic & Medicinal Chemistry 2014.0
4-Aminoquinoline derived antimalarials: Synthesis, antiplasmodial activity and heme polymerization inhibition studies
European Journal of Medicinal Chemistry 2010.0
Synthesis and biological evaluation of novel quinoline-piperidine scaffolds as antiplasmodium agents
European Journal of Medicinal Chemistry 2020.0
4-Aminoquinoline derivatives: Synthesis, in vitro and in vivo antiplasmodial activity against chloroquine-resistant parasites
European Journal of Medicinal Chemistry 2016.0
New derivatives of 7-chloroquinolin-4-amine with antiprotozoal activity
Bioorganic & Medicinal Chemistry 2017.0
Syntheses and in Vitro Antiplasmodial Activity of Aminoalkylated Chalcones and Analogues
Journal of Natural Products 2015.0
2-Aminopyrimidine based 4-aminoquinoline anti-plasmodial agents. Synthesis, biological activity, structure–activity relationship and mode of action studies
European Journal of Medicinal Chemistry 2012.0
Synthesis and antiplasmodial activity of new heteroaryl derivatives of 7-chloro-4-aminoquinoline
Bioorganic & Medicinal Chemistry 2012.0
Synthesis and antimalarial activity of carbamate and amide derivatives of 4-anilinoquinoline
European Journal of Medicinal Chemistry 2008.0