Synthesis of 4-aryl-4,5-dihydro-1H-indeno[1,2-d]pyrimidines by Biginelli condensation and their antibacterial activities
作者:RAMANDEEP KAUR、MONIKA BANSAL、BALBIR KAUR、TULIKA MISHRA、ARUNA BHATIA
DOI:10.1007/s12039-011-0088-1
日期:2011.7
A simple and efficient method has been developed for the synthesis of series of 4-aryl-1,3,4,5-tetrahydro-2H-indeno[1,2-d]pyrimidine-2-thiones through Biginelli’s one-pot multicomponent condensation reaction via microwave irradiations. Then, these thiones were converted to their S-alkylated/aralkylated derivatives. The prepared heterocyclic products were structurally confirmed by analytical and spectral data and evaluated for their antibacterial activities. The results showed that this skeletal framework exhibited marked potency as antibacterial agents. The compound 2-(Ethylthio)-4-(4-Hydroxy-3-methoxyphenyl)-4,5-dihydro-1H-indeno[1,2-d]pyrimidines 4b have shown antibacterial activity towards all the seven clinical isolates used.
通过Biginelli的一锅多组分缩合,开发了一种简单高效的方法来合成4-芳基-1,3,4,5-四氢-2H-茚并[1,2-d]嘧啶-2-硫酮系列通过微波辐射进行反应。然后,这些硫酮被转化为其S-烷基化/芳烷基化衍生物。通过分析和光谱数据对制备的杂环产物进行结构确认,并评估其抗菌活性。结果表明,这种骨骼框架表现出显着的抗菌功效。化合物 2-(乙硫基)-4-(4-羟基-3-甲氧基苯基)-4,5-二氢-1H-茚并[1,2-d]嘧啶 4b 对所有使用的七种临床分离株均显示出抗菌活性。