INFLUENCE OF LIGANDS BASICITY ON COMPLEXATION KINETICS OF 5,10,15,20-TETRA(TRIFLUOROMETHYL)PORPHYN AND 5,10,15,20-TETRA(ISO-BUTYL)PORPHYN WITH COPPER ACETATE

被引：0

作者：

Dao The Nam ^{[1
]}

Pukhovskaya, S. G. ^{[1
]}

Ivanova, Yu. B. ^{[2
]}

Glazunov, A. V. ^{[3
]}

Semeikin, A. S. ^{[3
]}

机构：

[1] Ivanovo State Univ Chem & Technol, Dept Inorgan Chem, Sheremetevsky Ave 7, Ivanovo 153000, Russia

[2] Russian Acad Sci, Lab Coordinat Chem Macrocycl Cpds, Inst Solut Chem, Acad Skaya Str 1, Ivanovo 153045, Russia

[3] Ivanovo State Univ Chem & Technol, Dept Organ Chem, Sheremetevsky Ave 7, Ivanovo 153000, Russia

来源：

IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII KHIMIYA I KHIMICHESKAYA TEKHNOLOGIYA | 2016年 / 59卷 / 04期

关键词：

porphyrins; basic properties; protonated forms; coordination properties;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Spectrophotometric studies of base and complexation properties of 5,10,15,20-tetra(trifluoromethyl)porphine and 5,10,15,20-tetra(iso-butyl)porphine were carried out in systems acetonitrile - HClO4 and CH3COOH - Cu(OAc)(2). It was found that under ligands titration with perchloric acid in acetonitrile the consecutive protonating of nitrogen atoms of pyrrolic rings occurs with formation of mono - and dicationic forms. Electron absorption spectra may be obtained for these cationic forms. Total basicity constants and concentration intervals of existence of ligands ionized forms in acetonitrile were determined. Kinetic parameters of copper(II) complex formation was measured. The influence of nature of meso-position substituents of porphyrin macrocycle on reactivity of tetrapyrrolic macrocycle was dicussed.

引用

页码：34 / 40

页数：7

共 20 条

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