4, 5-Dihydrooxazole-pyrazoline hybrids: Synthesis and their evaluation as potential antimalarial agents
作者:Ashutosh Kumar Pandey、Supriya Sharma、Minakshi Pandey、M. Mumtaz Alam、M. Shaquiquzzaman、Mymoona Akhter
DOI:10.1016/j.ejmech.2016.07.055
日期:2016.11
(3a-m) and substituted hydrazines in methanol. Some of the compounds exhibited promising in vitro antimalarial activity for chloroquine sensitive CQS (3D7) strain and chloroquine resistant CQR (RKL9) strain. The most potent analogue 4i (IC50 0.322 μg/ml) exhibited significant in vivo antimalarial potential against Plasmodium berghei mouse model. The stable complex of 4i with hematin (1:1 stoichiometry)
通过取代的基于恶唑啉的查尔酮(3a-m)和取代的肼在甲醇中的缩合反应合成了一系列新的恶唑啉-吡唑啉杂化物(4a-p)。一些化合物对氯喹敏感的CQ S(3D7)菌株和耐氯喹的CQ R(RKL9)菌株显示出有希望的体外抗疟活性。最有效的类似物4i(IC 50 0.322μg/ ml)对伯氏疟原虫小鼠模型表现出显着的体内抗疟疾潜力。4i的稳定复合体血红素(化学计量比为1:1)表明血红素可能是这些杂合化合物的一种可能的靶标。该研究表明标题化合物具有潜在的抗疟药开发潜力。