Antibacterial activity of quinoxalines, quinazolines, and 1,5-naphthyridines
作者:Ajit K. Parhi、Yongzheng Zhang、Kurt W. Saionz、Padmanava Pradhan、Malvika Kaul、Kalkal Trivedi、Daniel S. Pilch、Edmond J. LaVoie
DOI:10.1016/j.bmcl.2013.06.048
日期:2013.9
Several phenylsubstituted naphthalenes and isoquinolines have been identified as antibacterial agents that inhibit FtsZ-Zing formation. In the present study we evaluated the antibacterial of several phenylsubstituted quinoxalines, quinazolines and 1,5-naphthyridines against methicillin-sensitive and methicillin-resistant Staphylococcus aureus and vancomycin-sensitive and vancomycin-resistant Enterococcus
The invention provides methods of treating a bacterial infection in a mammal comprising administering to the mammal a substituted bicyclic heteroaromatic ring compound of formula I: wherein two of X1 to X8 are N and the remaining of X1 to X8 are CH; or a pharmaceutically acceptable salt thereof, as well as novel compounds of formula I and salts thereof and pharmaceutical compositions comprising a compound of formula I or a pharmaceutically acceptable salt thereof.
Elemental Sulfur-Mediated Synthesis of Quinoxalines from Sulfoxonium Ylides
作者:Trayambek Nath Chaubey、Paran J. Borpatra、Satyendra Kumar Pandey
DOI:10.1021/acs.orglett.3c01907
日期:2023.7.21
A novel straightforward and catalyst-free approach for synthesizing quinoxaline derivativesfrom sulfoxonium ylides and o-phenylenediamines mediated by elemental sulfur has been described. Due to the simple and mild reaction conditions, the sulfoxonium ylides and o-phenylenediamines decorated with different functional groups furnished moderate to high yields of quinoxaline derivatives and were well