摘要：Three new cobalt triarylcorroles with sterically hindered haloginated phenyl rings were synthesized and characterized by UV-vis, ~1H NMR spectroscopy, mass spectrometry and electrochemistry. The compounds are represented as（Ar）3Cor Co（PPh3）, where Cor is a trianion of the corrole macrocycle and Ar is a 2-Cl Ph（1）, 2,6-diC l Ph（2） or 2,6-diF Ph（3） group on each of the three meso-positions. The structures of 1 and 3 were characterized in the solid state by single-crystal X-ray analysis. Rotating-disk electrode was utilized to examine the electrocatalytic activity of the corroles for reduction of O2 in 1.0 MHClO4. Effect of the sterically hindered meso-substituents on UV-vis spectra and redox potentials as well as the electrocatalytic activity for reduction of dioxygen was discussed.
基金资助：
Supported by the National Natural Science Foundation of China（No.21501070,21071067）； Jiangsu University Foundation（No.05JDG051）；
- DOI：
10.14102/j.cnki.0254-5861.2011-1156
- 专辑：
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- 分类号：
O627.8;O643.36
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