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林产化学与工业

林产化学与工业 ›› 2019, Vol. 39 ›› Issue (3): 79-86.doi: 10.3969/j.issn.0253-2417.2019.03.011

• 研究报告 • 上一篇    下一篇

三芳胺基D-A结构化合物的溶致变色行为研究

檀贯妮1,2(),高宏1,2,3,*(),宋杰4,商士斌1,2,3,宋湛谦1,2,3   

  1. 1. 中国林业科学研究院 林产化学工业研究所; 生物质化学利用国家工程实验室; 国家林业和草原局 林产化学工程重点实验室; 江苏省 生物质能源与材料重点实验室, 江苏 南京 210042
    2. 南京林业大学 江苏省林业资源高效加工利用协同创新中心, 江苏 南京 210037
    3. 中国林业科学研究院 林业新技术研究所, 北京 100091
    4. Department of Chemistry and Biochemistry, University of Michigan-Flint, Flint, MI 48502, USA
  • 收稿日期:2019-02-20 出版日期:2019-06-28 发布日期:2019-06-26
  • 通讯作者: 高宏 E-mail:tanguanni@126.com;gaoh2188@hotmail.com
  • 作者简介:檀贯妮(1994-),女,安徽安庆人,硕士生,研究方向为天然产物化学与利用; E-mail:tanguanni@126.com
  • 基金资助:
    国家自然科学基金资助项目(31670576)

Solvatochromism of D-A Structure Compounds with Triarylamine

Guanni TAN1,2(),Hong GAO1,2,3,*(),Jie SONG4,Shibin SHANG1,2,3,Zhanqian SONG1,2,3   

  1. 1. Institute of Chemical Industry of Forest Products, CAF; National Engineering Lab. for Biomass Chemical Utilization; Key Lab. of Chemical Engineering of Forest Products, National Forestry and Grassland Administration; Key Lab. of Biomass Energy and Material, Jiangsu Province, Nanjing 210042, China
    2. Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
    3. Research Institute of Forestry New Technology, CAF, Beijing 100091, China
    4. Department of Chemistry and Biochemistry, University of Michigan-Flint, Flint, MI 48502, USA
  • Received:2019-02-20 Online:2019-06-28 Published:2019-06-26
  • Contact: Hong GAO E-mail:tanguanni@126.com;gaoh2188@hotmail.com
  • Supported by:
    国家自然科学基金资助项目(31670576)

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摘要：

研究了3个系列D-A结构化合物在5种不同极性溶剂中的荧光发射光谱及紫外吸收光谱，探讨了化合物的溶致变色规律，结果表明：3个系列化合物在不同极性溶剂中的荧光发射波长发生明显位移，在甲醇中发射波长最大，在环己烷中最小，但在二氧六环、四氢呋喃、二氯甲烷中，随着溶剂极性逐渐减小，发射波长发生红移；在不同极性溶剂中的荧光强度也各不相同，其中，在环己烷中最大，在甲醇中最小。化合物的紫外吸收波长受溶剂极性的影响，均在甲醇中有最小吸收波长，在不同极性溶剂中化合物的吸光度也不相同，在甲醇及环己烷中的吸光度较大。3个系列化合物均具备作为荧光分子探针探测外部环境极性大小的潜能。

关键词: 三芳胺, D-A结构, 荧光发射光谱, 紫外吸收光谱, 溶致变色

Abstract:

The fluorescence emission spectra and UV absorption spectra of three series compounds with D-A structure in five different polar solvents were studied, and the solvatochromism of compounds were also disussed. The results showed that all compounds had different fluorescence emission wavelengths in five different polar solvents, the largest was that in methanol and the smallest was that in cyclohexane, but in dioxane, tetrahydrofuran and dichloromethane, the emission wavelengths occurred red-shifted with the decrease of polarity of the solvent, and the fluorescence intensities varied in different polar solvents. The UV absorption wavelengths of compounds were affected by the polarities of solvents, they all had the minimum absorption wavelength in methanol. The absorbance of compounds in different polar solvents were also different, and those in methanol and cyclohexane were higher than others. All the properties above indicated that these three series of compounds had potential to be used as fluorescent probes to detect the polarity of the environment.

Key words: triarylamine, D-A structure, fluorescence emission spectra, UV absorption spectra, solvatochromism

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