Synthesis, characterization and antimicrobial activity of some substituted 1,2,3-triazoles
作者:Bantwal Shivarama Holla、Manjathuru Mahalinga、Mari Sithambaram Karthikeyan、Boja Poojary、Padiyath Mohammed Akberali、Nalilu Suchetha Kumari
DOI:10.1016/j.ejmech.2005.02.013
日期:2005.11
substituted 1,2,3-triazoles 4 and 6 have been synthesized by the 1,3-dipolar cycloaddition reaction of 4-azido-8-(trifluoromethyl)quinoline 2 with ethyl acetoacetate and acetylacetone, respectively. The reaction of 2 with ethyl acetoacetate afforded 1-[8-(trifluoromethyl)quinolin-4-yl]-5-methyl-1H-1,2,3-triazole-4-carboxylic acid 3 and with acetylacetone afforded 1-1-[8-(trifluoromethyl)quinolin-4-yl]-5-methyl-1H-1
通过4-叠氮基-8-(三氟甲基)喹啉2分别与乙酰乙酸乙酯和乙酰丙酮的1,3-偶极环加成反应合成了两个取代的1,2,3-三唑4和6。2与乙酰乙酸乙酯的反应得到1- [8-(三氟甲基)喹啉-4-基] -5-甲基-1H-1,2,3-三唑-4-羧酸3,与乙酰丙酮反应得到1- 1 -[[8-(三氟甲基)喹啉-4-基] -5-甲基-1H-1,2,3-三唑-4-基}乙酮5.将化合物3转化为其相应的酰肼,然后与不同的芳族化合物缩合醛产生席夫碱,N- [1-芳基亚甲基] -1- [8-(三氟甲基)喹啉-4-基] -5-甲基-1H-1,2,3-三唑基-4-碳酰肼4.化合物将5与芳族醛缩合以获得[1-芳基-4- 1- [8-(三氟甲基)喹啉-4-基] -5-甲基-1H-1,2,3-三唑-4-基} pr op-2-en-1-ones 6。通过IR,NMR和质谱数据表征了新制备的1,2,3-三唑衍生物4和6。筛选这些化合物的抗微生物活性。