Colorimetric and electrochemical Pb~(2+) detection by imine-bridged tetrathiafulvalene-pyridine deri

• 作 者: TUNG ChenHo
• 机 构: Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Phys
• 出 处: Science in China(Series B:Chemistry)
• 发表日期: 2009年06期
• 关键词: pyridine imine bridged conjugated noted moiety pyridyl equiv intramolecular reve

Imine-bridged TTF-π-pyridine derivatives, 2NTTF, 3NTTF and 4NTTF, were synthesized and the cation-binding study was performed. It is noted that with the addition of the micromolar concentration of Pb2+ to the solution, these compounds display remarkable changes in solution color, 1H NMR spectra and electrochemical properties. The nitrogen atom of the imine-bridge in 2NTTF not only serves as a π-conjugated spacer but also participates in the sensing and coordinating properties.

Imine-bridged TTF-π-pyridine derivatives, 2NTTF, 3NTTF and 4NTTF, were synthesized and the cation-binding study was performed. It is noted that with the addition of the micromolar concentration of Pb2 + to the solution, these compounds display remarkable changes in solution color, 1H NMR spectra and electrochemical properties. The nitrogen atom of the imine-bridge in 2NTTF not only serves as a π-conjugated spacer but also participates in the sensing and coordinating properties.