高等学校化学学报 ›› 1991, Vol. 12 ›› Issue (7): 927.

• 论文 • 上一篇    下一篇

2-(4′-异丙基取代苯乙烯基)-5-苯基取代苯并噁唑的结构及荧光光谱研究

潘荫明1, 赵绪妙1, 周一民1, 王如骥2, 王宏根2   

  1. 1. 南开大学化学系, 天津, 300071;
    2. 南开大学计算测试中心
  • 收稿日期:1989-09-04 出版日期:1991-07-24 发布日期:1991-07-24
  • 通讯作者: 周一民
  • 基金资助:

    国家自然科学基金

Studies on the Structure and Fluorescence Spectra of 2-(4'-i-pr-Styryl)-5-Phenyl-Benzoxazole

Pan Yin-ming1, Zhao Xu-Miao1, Zhou Yi-min1, Wang Ru-ji2, Wang Hong-gen2   

  1. 1. Department, of Chemistry, Nankai University, Tianjin, 300071;
    2. Central Laboratory, Nankai University, Tianjin
  • Received:1989-09-04 Online:1991-07-24 Published:1991-07-24

摘要: 在KOH/DMF介质中2-甲基-5-苯基苯并噁唑与对位异丙基苯甲醛反应合成标题化合物(Ⅰ),通过元素分析、紫外光谱、荧光光谱、IR、1HNMR测定和X射线分析,确定了其分子结构,该晶体属于三斜晶系,采用CNDO/s方法对化合物(Ⅰ)及其模型化合物(Ⅱ)进行了量化计算,得出化合物(Ⅰ)比(Ⅱ)的荧光波长发生红移,强度增加3倍的结果,与实验结果一致。

关键词: 苯并(口恶)唑, 荧光光谱, X射线分析

Abstract: 2-(4'-i-pr-styryl)-5-phenyl-benzoxazole was synthesized by condensation of the 5-phenyl-methyl benzoxazole with p-i-pr-benzaldehyde in the medium of KOH/DMF.This compound was identified by elemental analysis, IR, NMR, UVabsorption, FLemission spectra and X-ray diffraction. The molecular structure was confirmed that it belongs to triclinic system. The results of CNDO/s calculation showed that the fluorescence emission spectra of compound (Ⅰ), compared with its model compound (Ⅱ), was red shifted. The FLintensity of compound (Ⅰ) is three times greater than that of compound (Ⅱ). This is consistent with the experimental result.

Key words: Benzoxazole, Fluorescence emission spectrum, X-ray diffraction analysis

TrendMD: