Solubility-Driven Optimization of (Pyridin-3-yl) Benzoxazinyl-oxazolidinones Leading to a Promising Antibacterial Agent
作者:Bin Guo、Houxing Fan、Qisheng Xin、Wenjing Chu、Hui Wang、Yanqin Huang、Xiaoyan Chen、Yushe Yang
DOI:10.1021/jm4000598
日期:2013.3.28
structure–activity relationship (SAR) trends among the various substituents on the pyridyl ring, relatively small and nonbasic substituents were preferable to sterically demanding or basic substituents. Oxazolidinone ring substitution on the pyridyl ring generated analogues with antibacterial activity superior to imidazolidinone ring. Solubility was enhanced by the incorporation of polar groups, especially
描述了(吡啶-3-基)苯并恶嗪基-恶唑烷酮的溶解度驱动的结构修饰,这导致了新系列苯并恶嗪基-恶唑烷酮类似物的开发,该类似物对革兰氏阳性病原体具有很高的抗菌活性,包括对耐利奈唑胺的细菌具有很高的抗菌活性。菌株和低hERG抑制作用。关于吡啶环上各种取代基之间的结构-活性关系(SAR)趋势,相对于空间需求或碱性取代基,相对较小和非碱性的取代基更为可取。吡啶环上的恶唑烷酮环取代产生的抗菌活性优于咪唑烷酮环的类似物。极性基团的引入提高了溶解度,特别是当化合物转变成其前药时。在前药中,化合物85表现出极好的溶解性和良好的药代动力学特征。在MRSA全身感染模型中,化合物85的ED 50 = 5.00 mg / kg,效力比利奈唑胺好2倍。