| 2-(2-丙烯基)苯并咪唑的合成和荧光性质研究 |
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| 引用本文： | 王卓渊. 2-(2-丙烯基)苯并咪唑的合成和荧光性质研究[J]. 化工技术与开发, 2012, 0(6): 1-4 |
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| 作者姓名： | 王卓渊 |
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| 作者单位： | 药用资源化学与药物分子工程教育部重点实验室,广西师范大学化学化工学院 |
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| 基金项目： | 国家自然科学基金(21161003);药用资源代学与药物分子工程教育部重点实验室资助课题(CMEMR2012-A16) |
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| 摘 要： | 在多聚磷酸与磷酸混合酸的催化条件下,利用α-甲基丙烯酸与邻苯二胺的缩合反应,合成了2-(2-丙烯基)苯并咪唑,产率为67.3%。最适宜的反应条件为:催化剂中多聚磷酸与磷酸的体积比为1:4,反应温度为185℃,反应时间为5h。重结晶使用的溶剂是体积分数为60%的乙醇水溶液。产物经元素分析、质谱、IR、UV、1HNMR谱表征,同时发现产物发射很强的紫外荧光,荧光寿命为0.79ns。
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| 关 键 词： | 2-(2-丙烯基)苯并咪唑 合成 表征 荧光性质 |
Study on Synthesis of 2-(2-Propenyl)benzimidazole and Fluorescent Property |
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| WANG Zhuo-yuan. Study on Synthesis of 2-(2-Propenyl)benzimidazole and Fluorescent Property[J]. Technology & Development of Chemical Industry, 2012, 0(6): 1-4 |
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| Authors: | WANG Zhuo-yuan |
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| Affiliation: | WANG Zhuo-yuan(MOE Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources,School of Chemistry & Chemical Engineering of Guangxi Normal University,Guilin 541004,China) |
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| Abstract: | Under the catalysis of the mixture of polyphosphoric acid and phosphoric acid,2-(2-propenyl)benzimidazole was synthesized by condensation of α-methylacrylic acid with o-phenylenediamine and the yield was 67.3%.Among the optimum reaction conditions,the volume ratio of polyphosphoric acid to phosphoric acid was 1:4,the reaction temperature 185℃ and the reaction time 5h.The volume ratio of ethanol to water was 6∶4 in recrystallization agent.The title compound was characterized by elemental analysis,mass,IR,UV and 1HNMR spectra.It was found that this compound exhibited a strong ultraviolet fluorescence in solid state and its lifetime was 0.79 ns. |
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| Keywords: | 2-(2-propenyl)benzimidazole synthesis characterization fluorescent property |
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