Comparative study on the inclusion interaction between meso-tetrakis(4-N-ethylpyridiniurmyl) porphyrin and β-cyclodextrin derivatives

被引:0
|
作者
Guo, XL [1 ]
Shuang, SM [1 ]
Chao, JB [1 ]
Li, DX [1 ]
机构
[1] Shanxi Univ, Sch Chem & Chem Engn, Inst Adv Chem, Taiyuan 030006, Peoples R China
关键词
meso-tetrakis (4-N-ethylpyridiniurmyl) porphyrin (TEPyP); cyclodextrin; absorption; fluorescence; nuclear magnetic resonance (NMR);
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The interaction of beta-cyclodextrin (beta-CD) and the modified cyclodextrins, hydroxy propyl-beta-cyclodextrin (HP-beta-CD), sulfobutylether-beta-cyclodextrin (SBE-beta-CD) and synthesized meso-tetrakis(4-N-ethylpyridiniurmyl)porphyrin (TEPyP) in aqueous solution has been studied by spectroscopic methods systematically. A significant change in fluorescence and absorption properties has been observed in the presence of beta-CD, HP-beta-CD and SBE-beta-CD. The stoichiometry and formation constants have been determined by the steady-state fluorescence technique. The results showed that the beta-CD derivatives were prior to the native beta-CD and the hydrogen bonding and static electric forces played important roles in the formation of the inclusion complexes. The conformation was further confirmed by NMR spectroscopy.
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页码:961 / 964
页数:4
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