Synthesis and biofilm inhibition studies of 2-(2-amino-6-arylpyrimidin-4-yl)quinazolin-4(3H)-ones
作者:Sivappa Rasapalli、Zachary F. Murphy、Vamshikrishna Reddy Sammeta、James A. Golen、Alexander W. Weig、Roberta J. Melander、Christian Melander、Prathyushakrishna Macha、Milana C. Vasudev
DOI:10.1016/j.bmcl.2020.127550
日期:2020.12
Synthesis of novel 4(3H)-quinazolinonyl aminopyrimidine derivatives has been achieved via quinazolinonyl enones which in turn were obtained from 2-acyl-4(3H)-quinazolinone. They have been assayed for biofilm inhibition against Gram-positive (methicillin-resistant Staphylococcus aureus (MRSA)) and Gram-negative bacteria (Acinetobacter baumannii). The analogues with 2,4,6-trimethoxy phenyl, 4-methylthio
通过喹唑啉酮烯酮合成了新型 4(3 H )-喹唑啉酮基氨基嘧啶衍生物,而喹唑啉酮烯酮又从 2-酰基-4(3 H )-喹唑啉酮获得。已对它们进行了针对革兰氏阳性菌(耐甲氧西林金黄色葡萄球菌(MRSA))和革兰氏阴性菌(鲍曼不动杆菌)的生物膜抑制试验。具有 2,4,6-三甲氧基苯基、4-甲硫基苯基和 3-溴苯基取代基的类似物(5h、5j和5k)已被证明可以有效抑制 MRSA 中的生物膜形成,IC 50值为 20.7–22.4 μM) 。类似物5h和5j在体外人体细胞中显示出低毒性,可以作为先导化合物进行进一步研究。