Spectrophotometric Determination of Equilibrium Constants of Dimethyl and Diethyltin(IV) Dichloride with 5,10,15,20-Tetrakis(4-trimethyl-ammonio-phenyl)-prophine Tetratosylate

被引：1

作者：

Jaberi, Fatemeh ^{[1
]}

Gharib, Farrokh ^{[1
]}

机构：

[1] Shahid Beheshti Univ, Dept Chem, GC Evin, Tehran, Iran

来源：

JOURNAL OF SOLUTION CHEMISTRY | 2015年 / 44卷 / 01期

关键词：

TTMAPP; Dimethyltin(IV); Diethyltin(IV); Hydrolysis and formation constants; DIFFERENT AQUEOUS-SOLUTIONS; INDUCED AMIDE DEPROTONATION; AMINO-ACIDS; COORDINATION PROPERTIES; COMPLEX-FORMATION; CARBOXYLIC-ACIDS; HYDROLYSIS; TRIPHENYLTIN(IV); PORPHYRIN; LIGANDS;

D O I：

10.1007/s10953-015-0290-8

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The formation constant of dimethyl and diethyltin(IV) dichloride hydrolytic species and their complexation reactions with 5,10,15,20-tetrakis(4-trimethyl-ammonio-phenyl)-prophine tetratosylate (TTMAPP) were evaluated using potentiometric and spectrophotometric methods. H-1 NMR spectra of dimethyl and diethyltin(IV) at different pHs have an octahedral structure in low pHs and a distorted trigonal bipyramidal structural arrangement at higher pH values. The compositions of the formed complexes were determined, and it was shown that they form a single mononuclear 1:1 species with the ligand. The results indicate that the formation constants are in the order Me2Sn(IV)-TTMAPP > Et2Sn(IV)-TTMAPP.

引用

页码：34 / 44

页数：11

共 25 条

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