Stability of nonplanar N-methylporphyrins and their zinc complexes

被引：0
作者：
D. B. Berezin
E. N. Mis’ko
E. V. Antina
M. B. Berezin
机构：
[1] Ivanovo State University of Chemical Technology,Institute of Solution Chemistry
[2] Russian Academy of Sciences,undefined
来源：
Russian Journal of General Chemistry | 2006年 / 76卷
关键词：
Zinc; Porphyrin; Thermogravimetry; AcOH; Chemical Kinetic;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Resistance of N-methyl-substituted porphyrins and their Zn(II) complexes to thermooxidative degradation and to the action of a DMSO-AcOH proton-donor solvent was studied by thermogravimetry and chemical kinetics. The fairly low stability of the complexes is caused by decreased planarity and, as a consequence, aromaticity of the macrorings and also by the tendency of the complexes to demethylation. The stability of the zinc complexes in AcOH varies in parallel with the degree of nonplanarity and resistance to thermooxidative degradation of their ligands.
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页码：482 / 487
页数：5
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