2-Chloro-3-methylquinoxaline was selected as nucleus around which the molecular manipulations were carried out to get new compounds expected to possess better anti microbial activity. Various quinoxaline derivatives have been synthesized by replacing the chlorine at C-2 with a thioether linkage, which in turn attached to 2-(N-(substituted phenyl)acetamides. The synthesized compounds (5) were tested for their antimicrobial activity. Compounds 5b, 5c, 5d and 5i were found most active (comparable to the standard antibacterial Ciprofloxacin) amongst them. The structure of the compounds was confirmed on the basis of their spectral data.
2-氯-3-甲基喹喔啉被选为核心,围绕它进行分子操作,以获得预期具有更好抗微生物活性的新化合物。通过用硫醚键替换C-2处的氯原子合成了各种喹喔啉衍生物,这些衍生物又与2-(N-(取代苯基)乙酰胺)结合。合成的化合物(5)被测试其抗微生物活性。其中化合物5b、5c、5d和5i表现出最活性(与标准抗菌药环丙沙星相媲美)。这些化合物的结构是根据它们的光谱数据确认的。