Structure–Activity Relationship for the 4(3<i>H</i>)-Quinazolinone Antibacterials
作者:Renee Bouley、Derong Ding、Zhihong Peng、Maria Bastian、Elena Lastochkin、Wei Song、Mark A. Suckow、Valerie A. Schroeder、William R. Wolter、Shahriar Mobashery、Mayland Chang
DOI:10.1021/acs.jmedchem.6b00372
日期:2016.5.26
We recently reported on the discovery of a novel antibacterial (2) with a 4(3H)-quinazolinone core. This discovery was made by in silico screening of 1.2 million compounds for binding to a penicillin-binding protein and the subsequent demonstration of antibacterial activity against Staphylococcus aureus. The first structure–activity relationship for this antibacterial scaffold is explored in this report
我们最近报道了一种具有4(3 H)-喹唑啉酮核心的新型抗菌剂(2)的发现。通过计算机筛选与青霉素结合蛋白结合的120万种化合物并随后证明其对金黄色葡萄球菌具有抗菌活性,实现了这一发现。本报告探讨了该抗菌支架的第一个结构与活性的关系,并评估了结构类别的77个变体。进一步评估了11种有希望的化合物在小鼠腹膜炎感染模型中的体外毒性,药代动力学和功效,从而发现了化合物27。这种新的喹唑啉酮对耐甲氧西林(MRSA)的菌株具有强大的活性,清除率低,口服生物利用度高,并且在小鼠中性粒细胞减少的大腿感染模型中显示出功效。