摘要
设计合成了两种新颖的三芳基咪唑类化合物5和6,研究了其反应机理,优化了环合加成反应的工艺条件,化合物经FT-IR、HMR和MS进行结构表征。研究了两个化合物在不同溶剂中的紫外与荧光光谱,发现官能苄基的引入,会使吸收峰和发射峰均有不同程度的蓝移,这些光谱性质为今后研究其双光子吸收、双光子荧光和非线性光学性质奠定了实验基础。
Two aromatic substituted imidazole compounds,4-(4,5-bis(3-nitrophenyl)-1H-imidazole-2-yl)-3,6-biacetyl-9-ethyl-carbazole(5)and 4-(1-benzyl-4,5-bis(3-nitrophenyl)-imidazol-2-yl)-3,6-biacetyl-9-ethyl-carbazole(6)were synthesized and their structures were confirmed by FT-IR、NMR and MS.The reaction condition of cycloaddition was optimized and the mechanism was also deduced.Their UV and fluorescence properties in different solvents had been investigated and the results showed that the benzyl group of 5 made the absorption and emission spectra blue-shift compared to the spectra of 5.
出处
《化学研究与应用》
CAS
CSCD
北大核心
2010年第7期874-879,共6页
Chemical Research and Application
基金
国家自然科学基金(20671036)资助项目
广东省科技项目(2007A010500008
2008B010800030)资助项目
关键词
芳基咪唑
紫外
荧光
aromatic substituted imidazole
ultraviolet
fluorescence