Synthesis of a fluorescein–porphyrin hybrid and its supramolecular self-assembly with amino-porphyrinatocopper(II) by hydrogen bonding

被引：2
作者：
Jia-Zheng Lu
Yi-fan Du
Bin Wu
Jin-Wang Huang
Jing Jiang
机构：
[1] Guangdong Pharmaceutical University,The School of Pharmacy
[2] Sun Yat-Sen University,State Key Laboratory of Optoelectronic Material and Technologies, School of Chemistry and Chemical Engineering
来源：
Transition Metal Chemistry | 2010年 / 35卷
关键词：
Porphyrin; Photoinduced Electron Transfer; Electrospray Mass Spectrometry; Supramolecular Complex; Isotopic Cluster;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A fluorescein–porphyrin hybrid (Fl-PTPP) has been synthesized and characterized by UV/Vis, IR, 1H NMR, ES-MS and elemental analysis. The supramolecular self-assembly of Fl-PTPP with the copper(II) complex of 5-(p-amino-phenyl)-10,15,20-triphenylporphyrin, (CuAPTPP), by hydoxyl-amino type hydrogen bonding was studied using vapor pressure osmometry (VPO) measurements, ES-MS, UV/Vis, 1H NMR and fluorescence spectroscopic titration. The data indicate formation of a (Fl-PTPP)–CuAPTPP supramolecular complex. Fluorescence strengthening character was observed in a spectroscopic titration experiment for the Fl-PTPP/CuAPTPP system. The association constant of the supramolecular complex was calculated from the fluorescence titration data, and found to be less than that of a carboxyl–carboxyl type hydrogen-bonding system.
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页码：451 / 456
页数：5
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