Concise Synthesis of 2, 3-Diarylpyrimido[1,2-<i>a</i>]benzimidazole Based on Isoflavones
作者:Zun-Ting Zhang、Li Qiu、Dong Xue、Jing Wu、Fei-Fei Xu
DOI:10.1021/cc900064q
日期:2010.3.8
The 2,3-diarylpyrimido[1,2-a]benzimidazole derivatives were prepared by one-step cyclocondensation of 2-aminobenzimidazole with isoflavone in methanol. Single-crystal diffraction analysis was performed for 2-(2-hydroxyl-4-isopropoxy-phenyl)-3-phenylpyrimido[1,2-a]benzimidazole. The fluorescence properties of the fused 2, 3-diarylpyrimido[1, 2-a]benzimidazole were evaluated.
通过2-氨基苯并咪唑与异黄酮在甲醇中的一步缩合反应来制备2,3-二芳基嘧啶并[1,2- a ]苯并咪唑衍生物。对2-(2-羟基-4-异丙氧基-苯基)-3-苯基嘧啶基[1,2- a ]苯并咪唑进行了单晶衍射分析。评价了熔融的2,3-二芳基嘧啶[1,2-a]苯并咪唑的荧光性质。