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
合成了一系列含有 β-苯
乙胺片段或
2-氨基茚满部分的杂环
氯喹杂化物,并在体外作为 β-血红素形成的
抑制剂进行了筛选,并在体内筛选了它们对
氯喹敏感的伯氏疟原虫ANKA 菌株的抗疟活性。尽管未发现这些新化合物在体内比
氯喹更具活性,但所有新化合物均显着降低了血红素结晶,IC 50值 < 1 μM。化合物 12 和 13 能够抑制血红素结晶,IC 50值分别为 0.39 ± 0.09 和 0.48 ± 0.02 μM,这些值与具有 IC 50的氯喹相当值为 0.18 ± 0.03。还确定物理化学和药代动力学性质在计算机评估后适度有利,衍
生物8和10不存在肝毒性,并且发现对红细胞的体外溶血活性较低。所有最终化合物的光谱(红外、核磁共振和元素分析)数据与建议的结构一致。