Synthesis and antimycobacterial activity of highly functionalized tetrahydro-4(1 H )-pyridinones
作者:Velanganni Paul Alex Raja、Subbu Perumal、Perumal Yogeeswari、Dharmarajan Sriram
DOI:10.1016/j.bmcl.2011.05.032
日期:2011.7
A series of 35 2e,3e,6e-triaryltetrahydro-4(1H)-pyridinones, 2e,3e,5e,6e-tetraaryltetrahydro-4(1H)-pyridinones and their N-nitroso and N-cyano analogs have been prepared. All these 35 compounds obtained were screened for their in vitro activity against Mycobacterium tuberculosis H37Rv (MTB). Among them, the N-nitrosopyridinones are found to be more active against MTB than the corresponding N-CN analogs
制备了一系列35个2e,3e,6e-三芳基四氢-4(1 H)-吡啶酮,2e,3e,5e,6e-四芳基四氢-4(1 H)-吡啶酮及其N-亚硝基和N-氰基类似物。筛选所有获得的这35种化合物的抗结核分枝杆菌H37Rv(MTB)的体外活性。其中,发现N-亚硝基吡啶并酮对MTB的活性高于相应的N -CN类似物,后者相应地比NH类似物的活性略高。尤其是N-亚硝基化合物3d,4b和4e在2,6-位带有卤素的苯环具有最大活性,MIC值为3.97、3.11和3.11μM,比一线抗结核药物环丙沙星,乙胺丁醇和吡嗪酰胺更有效。在所有三类NH,N -CN和N -NO化合物中也发现了总体趋势,其中每一个带有四个芳基环的化合物都比具有三个类似取代的芳基环的化合物显示更高的活性,从而表明亲脂性可能是一个亲脂性。抗分枝杆菌活性的重要因素。