Thermodynamics of Gd(III) complexation by macrocyclic and acyclic polyamino carboxylates

被引：20

作者：

Bianchi, A ^{[1
]}

Calabi, L ^{[1
]}

Ferrini, L ^{[1
]}

Losi, P ^{[1
]}

Uggeri, F ^{[1
]}

Valtancoli, B ^{[1
]}

机构：

[1] BRACCO IND CHIM SPA,DIV RES & DEV,I-20134 MILAN,ITALY

来源：

INORGANICA CHIMICA ACTA | 1996年 / 249卷 / 01期

关键词：

gadolinium complexes; nuclear magnetic resonance imaging; polyamino carboxylate complexes; macrocyclic complexes; thermodynamics;

D O I：

10.1016/0020-1693(96)05182-1

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Complexation of Gd(III) by DOTA and DO3A proceeds through the formation of monoprotonated and unprotonated intermediate species; the relevant thermodynamic parameters Delta G degrees, Delta H degrees and T Delta S degrees are reported.

引用

页码：13 / 15

页数：3

共 14 条

[11] LIGAND BASICITY AND RIGIDITY CONTROL FORMATION OF MACROCYCLIC POLYAMINO CARBOXYLATE COMPLEXES OF GADOLINIUM(III)
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[13] NOVEL CONTRAST AGENTS FOR MAGNETIC-RESONANCE-IMAGING - SYNTHESIS AND CHARACTERIZATION OF THE LIGAND BOPTA AND ITS LN(III) COMPLEXES (LN=GD, LA, LU) - X-RAY STRUCTURE OF DISODIUM (TPS-9-145337286-C-S)-[4-CARBOXY-5,8,11-TRIS(CARBOXYMETHYL)-1-PHENYL-2-OXA-5,8,11-TRIAZATRIDECAN-13-OATO(5-)]GADOLINATE(2-) IN A MIXTURE WITH ITS ENANTIOMER
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[14] A KINETIC INVESTIGATION OF THE LANTHANIDE DOTA CHELATES - STABILITY AND RATES OF FORMATION AND OF DISSOCIATION OF A MACROCYCLIC GADOLINIUM(III) POLYAZA POLYCARBOXYLIC MRI CONTRAST AGENT
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