The synthesis of novel pyrazole-3,4-dicarboxamides bearing 5-amino-1,3,4-thiadiazole-2-sulfonamide moiety with effective inhibitory activity against the isoforms of human cytosolic carbonic anhydrase I and II
作者:Samet Mert、Zuhal Alım、Mehmet Mustafa İşgör、Şükrü Beydemir、Rahmi Kasımoğulları
DOI:10.1016/j.bioorg.2016.07.006
日期:2016.10
A series of 1-(3-substituted-phenyl)-5-phenyl-N(3),N(4)-bis(5-sulfamoyl-1,3,4-thiadiazol-2-yl)-1H-pyrazole-3,4-dicarboxamides (4-15) were synthesized. The structures of these pyrazole-sulfonamides were confirmed by FT-IR, (1)H NMR, (13)C NMR and elemental analysis methods. Human cytosolic carbonic anhydrase (CA, EC 4.2.1.1) isozymes (hCA I and II) were purified from erythrocyte cells by affinity chromatography
一系列1-(3-取代的苯基)-5-苯基-N(3),N(4)-双(5-氨磺酰基-1,3,4-噻二唑-2-基)-1H-吡唑-合成了3,4-二羧酸酰胺(4-15)。这些吡唑磺酰胺的结构通过FT-IR,(1)H NMR,(13)C NMR和元素分析法确认。通过亲和色谱法从红细胞中纯化人胞质碳酸酐酶(CA,EC 4.2.1.1)同工酶(hCA I和II)。在体外研究了新合成的衍生物(4-15)对这些同工酶的酯酶活性的抑制作用。hCA I的Ki值确定为0.119-3.999μM,hCA II的Ki值确定为0.084-0.878μM。结果表明,针对hCA I的化合物6和针对hCA II的化合物11具有最高的抑制作用。除此之外,化合物8对两种同工酶的抑制作用最低。