Polysubstituted pyrazoles, part 6. Synthesis of some 1-(4-chlorophenyl)-4-hydroxy-1H-pyrazol-3-carbonyl derivatives linked to nitrogenous heterocyclic ring systems as potential antitumor agents
作者:Sherif A.F. Rostom
DOI:10.1016/j.bmc.2010.02.006
日期:2010.4
The synthesis of two novel series of 1-(4-chlorophenyl)-4-hydroxy-1H-pyrazoles linked to either polysubstituted 1H-pyrazole counterparts through a carbonyl bridge, or to some biologically-active nitrogenous heterocycles by an amide linker, is described. Ten of the newly synthesized compounds were selected by the National Cancer Institute (NCI) in vitro disease-oriented antitumor screening to be evaluated
合成两个新的1-(4-氯苯基)-4-羟基-1 H-吡唑系列,它们通过羰基桥与多取代的1 H-吡唑对应物相连,或通过酰胺连接基与某些生物活性含氮杂环相连,描述。美国国家癌症研究所(NCI)选择了十种新合成的化合物进行了面向疾病的体外抗肿瘤筛选,以评估其抗肿瘤活性。最活跃的六种化合物2,3,6,7,13和14在GI显明在大多数所测试的子面板的肿瘤细胞系的抗肿瘤潜力的显著广谱50和TGI水平,以及轻度的细胞毒性(LC 50)活性。吡唑啉二酮类似物7表现出显着的生长抑制和细胞抑制作用(GI 50和TGI MG-MID值分别为0.67和53.8μM)。化合物13(GI 50,TGI和LC 50 MG-MID值分别为0.08、30.9和93.3μM)和14(GI 50,TGI和LC 50 MG-MID值分别为0.36、8.78和69.3μM)被证明是在这项研究中确定的最活跃的抗肿瘤成员。