RT Journal Article T1 Synthesis and in silico ADME/Tox profiling studies of heterocyclic hybrids based on chloroquine scaffolds with potential antimalarial activity A1 Ramírez, Hegira A1 Fernández Moreira, Esteban A1 Rodrigues, Juan R. A1 Mijares, Michael R. A1 Ángel, Jorge E. A1 Charris, Jaime E. AB A series of heterocyclic chloroquine hybrids containing either a β-phenethylamine fragment or a 2-aminoindane moiety were synthesized and screened in vitro as inhibitors of β-hematin formation and in vivo for their antimalarial activity against chloroquine-sensitive strains of Plasmodium berghei ANKA. Although these new compounds were not found to be more active than chloroquine in vivo, all new compounds significantly reduced heme crystallization with IC50 values < 1 μM. Compounds 12 and 13 were able to inhibit heme crystallization with IC50 values of 0.39 ± 0.09 and 0.48 ± 0.02 μM, respectively, and these values were comparable to that of chloroquine with an IC50 value of 0.18 ± 0.03. It was also determined that the physicochemical and pharmacokinetic properties were moderately favorable after in silico evaluation, derivatives 8 and 10 did not present hepatotoxicity, and the in vitro hemolytic activity against red blood cells was found to be low. Spectral (infrared, nuclear magnetic resonance, and elemental analysis) data for all final compounds were consistent with the proposed structures. PB Springer Nature SN 0932-0113 YR 2021 FD 2021-11-15 LK https://hdl.handle.net/20.500.14352/125082 UL https://hdl.handle.net/20.500.14352/125082 LA eng NO Ramírez, H., Fernandez-Moreira, E., Rodrigues, J.R. et al. Synthesis and in silico ADME/Tox profiling studies of heterocyclic hybrids based on chloroquine scaffolds with potential antimalarial activity. Parasitol Res 121, 441–451 (2022). https://doi.org/10.1007/s00436-021-07374-7 DS Docta Complutense RD 20 mar 2026