Synthesis and biological evaluation of some pyrazolylpyrazolines as anti-inflammatory–antimicrobial agents
作者:Pawan K. Sharma、Satish Kumar、Pawan Kumar、Pawan Kaushik、Dhirender Kaushik、Yogita Dhingra、Kamal R. Aneja
DOI:10.1016/j.ejmech.2010.01.059
日期:2010.6
A new series of pyrazolylpyrazolines (5a–k) was synthesized by the reaction of appropriate chalcones (3a–k) with 4-hydrazinobenzenesulfonamide hydrochloride (4) in ethanol. All the newly synthesized target compounds (5a–k) were screened for their anti-inflammatory activity using carrageenan-induced rat paw edema assay. Compounds 5g and 5j showed pronounced anti-inflammatory activity comparable to the
通过适当的查耳酮(3a - k)与4-肼基苯磺酰胺盐酸盐(4)在乙醇中的反应合成了一系列新的吡唑基吡唑啉(5a - k)。使用角叉菜胶诱导的大鼠爪水肿试验筛选了所有新合成的目标化合物(5a - k)的抗炎活性。化合物5g和5j的抗炎活性与参考标准尼美舒利相当,而化合物5b,5d和5h显示出良好的抗炎活性。另外,评估了合成的化合物对两种革兰氏阳性细菌和两种革兰氏阴性细菌的体外抗菌活性。四种化合物5c,5h - 5j对所有测试的革兰氏阳性和革兰氏阴性细菌菌株均表现出良好的广谱活性。在这项研究中,化合物5j具有有趣的双重抗炎和抗菌特性,可以被认为是生物活性最高的成员。