Abstract
Synthesis of Benzo[4,5]imidazo[1,2-a]pyrimidine derivatives using an environmentally friendly Biginelli-type reaction in ionic liquid DIPEAc was performed. Remarkably, this ionic liquid exhibits efficient recyclability over five cycles. Synthesized compounds underwent rigorous in vitro antimalarial efficacy screening, complemented by computational and in vitro studies, assessing their potential as Plasmodium falciparum dihydrofolate reductase (Pf-DHFR) inhibitors. A robust 3D-QSAR model was established and validated, elucidating structure-activity relationships. Estimated ADMET descriptors highlighted favorable pharmacokinetics, suggesting their role in new antimalarial drug development. This study exemplifies the synergy of sustainable synthesis, enzyme inhibition, and pharmacokinetic profiling, promising a transformative outlook for antimalarial innovation.
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