首页> 美国卫生研究院文献>Journal of Enzyme Inhibition and Medicinal Chemistry >Synthesis in vitro antitumour activity and molecular docking study of novel 2-substituted mercapto-3-(345-trimethoxybenzyl)-4(3H)-quinazolinone analogues
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Synthesis in vitro antitumour activity and molecular docking study of novel 2-substituted mercapto-3-(345-trimethoxybenzyl)-4(3H)-quinazolinone analogues

机译:新型2-取代巯基-3-(345-三甲氧基苄基)-4(3H)-喹唑啉酮类似物的合成体外抗肿瘤活性和分子对接研究

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摘要

A novel series of 2-substituted mercapto-3-(3,4,5-trimethoxybenzyl)-4(3H)-quinazolinones >1–>20 was synthesised and evaluated for in vitro antitumour activity. N-(4-Chlorophenyl)-2-[(3-(3,4,5-trimethoxybenzyl)-4(3H)-quinazolinon-2-yl)thio)acetamide >(7) and N-(3,4,5 trimethoxybenzyl)-2-[(3-(3,4,5-trimethoxybenzyl)-4(3H)-quinazolinon-2-yl)thio]propanamide >(19) exhibited excellent antitumour properties, with mean growth inhibitory concentration (GI50) of 17.90 and 6.33 µΜ, respectively, compared with those of 5-fluorouracil 5-FU, gefitinib, and erlotinib (mean GI50: 18.60, 3.24, and 7.29 µΜ, respectively). Comparison of the GI50 (µM) values of compounds >7 and >19 versus those of 5-FU, gefitinib, and erlotinib against an in vitro subpanel of tumour cells lines showed that compounds >7 and >19 have activities almost equal to or higher than that of those standard drugs, especially against lung, CNS, and breast cancer cells. However, compounds >5, >10, >14, >15, >16, >17, and >20 exhibited effective antitumour activity against the different cell lines tested, with growth inhibition percentage (MGI%) of 19, 24, 19, 17, 16, 15, and 16, respectively. A modelling study was performed for compounds >7 and >19 by docking them into the EGFR kinase enzyme to study their mode of binding with the putative binding site.
机译:合成了一系列新型的2-取代的巯基-3-(3,4,5-三甲氧基苄基)-4(3H)-喹唑啉酮> 1 – > 20 ,并对其进行了评估。体外抗肿瘤活性。 N-(4-氯苯基)-2-[(3-(3,4,5-三甲氧基苄基)-4(3H)-喹唑啉酮-2-基)硫基)乙酰胺>(7)和N -(3,4,5三甲氧基苄基)-2-[(3-(3,4,5-三甲氧基苄基)-4(3H)-喹唑啉酮-2-基)硫]丙酰胺>(19)与5-氟尿嘧啶5-FU,吉非替尼和厄洛替尼的平均抑制生长浓度(GI50)分别为17.90和6.33 µM(平均GI50:分别为18.60、3.24和7.29 µM)。 。比较化合物> 7 和> 19 与5-FU,吉非替尼和厄洛替尼的GI50(µM)值对肿瘤细胞系体外亚板的比较,表明该化合物> 7 和> 19 的活性几乎等于或高于那些标准药物的活性,尤其是针对肺,CNS和乳腺癌细胞的活性。但是,化合物> 5 ,> 10 ,> 14 ,> 15 ,> 16 , > 17,和> 20 对测试的不同细胞系表现出有效的抗肿瘤活性,生长抑制百分比(MGI%)为19、24、19、17、16、15和16 , 分别。通过将化合物> 7 和> 19 停靠在EGFR激酶中进行建模研究,以研究其与推定结合位点的结合方式。

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