Stability of Metal Chelates. I. Iminodiacetic and Iminodipropionic Acids

Chaberek, S.; Martell, Arthur E.

doi:10.1021/ja01140a018

Cited by 213 publications

(51 citation statements)

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“…Absence of sharp inflection on the curve 2 suggests that two protons are liberated in overlapping manner. Calculations of proton dissociation constants and protonation constants of ligands, formation constants of binary and ternary systems were done by using algebraic method of Martell and Chaberek [25]- [26] as modified by Dey et al [27]. All experimental values were refined by SCOGS computer program [28]- [29].…”

Section: Resultsmentioning

confidence: 99%

Thermodynamic, Stability, Potentiometric and Solution Studies of Mixed Metal Complexes Involving Transition Metals and EGTA Ligand

2016

IJSR

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Section: Resultsmentioning

confidence: 99%

Thermodynamic, Stability, Potentiometric and Solution Studies of Mixed Metal Complexes Involving Transition Metals and EGTA Ligand

2016

IJSR

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“…1 and 2) of N-acetyland the N-arylsulfonyl-EDDA's in the free acid forms are similar to those of iminodiacetic (31) and N-benzyliminodiacetic (29) acids and one might thus expect them to display similar chelating behavior. The chelation curves with Cu(I1) and Ni(I1) obtained in some preliminary studies show this to be the case with the acetylated diacid.…”

Section: (I) Arylszdfonyl Amino Acidsmentioning

confidence: 91%

Chelating polymers. I. The synthesis and acid dissociation behavior of several N-(p-vinylbenzenesulfonyl)-substituted diaminopolyacetic acid monomers, monomeric analogues, and related intermediates

Genik-Sas-Berezowsky¹,

Spinner²

1970

Can. J. Chem.

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Two new chelating monomers, N-(p-vinylbenzenesulfonyl)-l,2-diaminoethane-N',N'-diacetic (SS-EDDA) and -N,Nf,N'-triacetic (SS-ED3A) acids, as well as several monomeric analogues and related intermediates have been prepared. In addition, 2-0x0-1-piperazine acetic (S-KP), 3-0x0-1-piperazine acetic (U-KP), and 2-0x0-1,4-piperazine diacetic (3-KP) acids have been synthesized and the interconvertibility between these cyclic amides and their unsubstituted linear amino acid analogues, ethylenediamine-N,N'-diacetic (S-EDDA), -N,N-diacetic (U-EDDA), and -N,N,N1-triacetic (ED3A) acids respectively, was demonstrated.The acid dissociation constants of the various amino acids were determined potentiometrically at 25' and p = 0.1 M(KN0,) and the results were compared with the hydrogen ion affinities of related compounds. Dissociation schemes were proposed for all the compounds based on these results. Rationalizations of the linear amino acid and the cyclic amide dissociation constants were made in terms of the effects of cyclization and the inductive effects of neighboring groups. These rationalizations were found to be helpful in clarifying the dissociation schemes previously proposed for several of the linear amino acids.

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“…Algebraic method of Martell and Chaberek as modified by Dey et al has been applied to calculate the values of equilibrium constants [22]- [25].…”

Section: Titration Curvesmentioning

confidence: 99%

Equilibrium Studies on Interaction of Organotin (IV) Moieties with N-O Donor Ligands

2015

IJSR

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Stability of Metal Chelates. I. Iminodiacetic and Iminodipropionic Acids

Cited by 213 publications

References 0 publications

Thermodynamic, Stability, Potentiometric and Solution Studies of Mixed Metal Complexes Involving Transition Metals and EGTA Ligand

Thermodynamic, Stability, Potentiometric and Solution Studies of Mixed Metal Complexes Involving Transition Metals and EGTA Ligand

Chelating polymers. I. The synthesis and acid dissociation behavior of several N-(p-vinylbenzenesulfonyl)-substituted diaminopolyacetic acid monomers, monomeric analogues, and related intermediates

Equilibrium Studies on Interaction of Organotin (IV) Moieties with N-O Donor Ligands

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