COMPLEX-FORMATION BETWEEN IMIDAZOLE AND CARBOXYLATE LIGANDS IN AQUEOUS-SOLUTION

被引:15
作者
ABATE, L
DEROBERTIS, A
RIGANO, C
机构
[1] UNIV MESSINA,IST CHIM ANALIT,SALITA SPERONE 31,POB 30,I-98166 SANT AGATA MILITE,ITALY
[2] UNIV CATANIA,DIPARTIMENTO SCI CHIM,I-91125 CATANIA,ITALY
关键词
LIGAND-LIGAND INTERACTIONS; IMIDAZOLE-CARBOXYLATE COMPLEXES; COMPLEX FORMATION IN AQUEOUS SOLUTION;
D O I
10.1007/BF00647206
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
We report the results of a potentiometric study on the formation of weak complexes between imidazole (im) and acetate, malonate, and citrate (L), at T = 25-degrees-C. Formation of protonated species H(j) (im)(L), in which j = 1 for acetate, j = 1, 2 for malonate and j = 1, 2, 3 for citrate, was found. The formation of weak complexes between N-ligands and O-ligands may be used to interpret the behavior of these classes of compounds in natural fluid and/or in biological systems, as regards inter- or intra-molecular interactions.
引用
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页码:339 / 349
页数:11
相关论文
共 25 条
[11]  
DANIELE PG, 1990, J CHEM RES M, P2316
[12]   THE CALCULATION OF EQUILIBRIUM CONCENTRATIONS IN LARGE MULTIMETAL MULTILIGAND SYSTEMS [J].
DEROBERTIS, A ;
DESTEFANO, C ;
SAMMARTANO, S ;
RIGANO, C .
ANALYTICA CHIMICA ACTA, 1986, 191 :385-398
[13]   THE DETERMINATION OF FORMATION-CONSTANTS OF WEAK COMPLEXES BY POTENTIOMETRIC MEASUREMENTS - EXPERIMENTAL PROCEDURES AND CALCULATION METHODS [J].
DEROBERTIS, A ;
DESTEFANO, C ;
SAMMARTANO, S .
TALANTA, 1987, 34 (11) :933-938
[14]   THERMODYNAMIC PARAMETERS FOR THE PROTONATION OF CARBOXYLIC-ACIDS IN AQUEOUS TETRAETHYLAMMONIUM IODIDE SOLUTIONS [J].
DEROBERTIS, A ;
DESTEFANO, C ;
RIGANO, C ;
SAMMARTANO, S .
JOURNAL OF SOLUTION CHEMISTRY, 1990, 19 (06) :569-587
[15]  
DEROBERTIS A, 1987, C CHEMIOMETRICUM MED, P87
[16]  
DESTEFANO C, 1987, ANN CHIM-ROME, V77, P643
[17]   THE CALCULATION OF EQUILIBRIUM CONCENTRATIONS - ES4EC1 - A FORTRAN PROGRAM FOR COMPUTING DISTRIBUTION DIAGRAMS AND TITRATION CURVES [J].
DESTEFANO, C ;
PRINCI, P ;
RIGANO, C ;
SAMMARTANO, S .
COMPUTERS & CHEMISTRY, 1989, 13 (04) :343-359
[18]   INTERACTION OF PYROPHOSPHATE ION WITH DI-AMINES, TRI-AMINES AND TETRAAMINES IN AQUEOUS-SOLUTION - A POTENTIOMETRIC AND CALORIMETRIC STUDY [J].
LABADI, I ;
JENEI, E ;
LAHTI, R ;
LONNBERG, H .
ACTA CHEMICA SCANDINAVICA, 1991, 45 (10) :1055-1059
[19]  
Martel A.E., 1982, CRITICAL STABILITY C, V5
[20]  
Meloun M., 1988, COMPUTATION SOLUTION