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
收藏
页码：34 / 44
页数：11
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