Anions as stabilizing ligands for Ni(III)(cyclam) in aqueous solutions

Dror Shamir; Israel Zilbermann; Eric Maimon; Alexander I. Shames; Haim Cohen; Dan Meyerstein

doi:10.1016/j.ica.2010.03.057

Anions as stabilizing ligands for Ni(III)(cyclam) in aqueous solutions

Dror Shamir, Israel Zilbermann, Eric Maimon, Alexander I. Shames, Haim Cohen, Dan Meyerstein

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

Several new anions were shown to be good stabilizing ligands for Ni(III)L(H2O)23+, (L = 1,4,8,11-tetraazacyclotetradecane, cyclam) in aqueous solutions. Mo7O246-, phosphonates, phosphates, including the biological relevant ATP were shown to have the highest binding constants to the tervalent nickel ion. The results suggest that the charge density of the anion at the binding site and the basicity of the anion are the main factors affecting the binding constant to the central Ni(III) cation.

Original language	English
Pages (from-to)	2819-2823
Number of pages	5
Journal	Inorganica Chimica Acta
Volume	363
Issue number	12
DOIs	https://doi.org/10.1016/j.ica.2010.03.057
State	Published - 15 Oct 2010
Externally published	Yes

Bibliographical note

Funding Information:
This study was supported in part by a grant from the Budgeting and Planning Committee of The Council of Higher Education and the Israel Atomic Energy Commission.

Funding

This study was supported in part by a grant from the Budgeting and Planning Committee of The Council of Higher Education and the Israel Atomic Energy Commission.

Funders	Funder number
Planning and Budgeting Committee of the Council for Higher Education of Israel
Israel Atomic Energy Commission

Keywords

Anionic ligands
Aqueous solutions
Cyclam
Ni(III)
Stabilization

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10.1016/j.ica.2010.03.057

Cite this

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abstract = "Several new anions were shown to be good stabilizing ligands for Ni(III)L(H2O)23+, (L = 1,4,8,11-tetraazacyclotetradecane, cyclam) in aqueous solutions. Mo7O246-, phosphonates, phosphates, including the biological relevant ATP were shown to have the highest binding constants to the tervalent nickel ion. The results suggest that the charge density of the anion at the binding site and the basicity of the anion are the main factors affecting the binding constant to the central Ni(III) cation.",

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AU - Shamir, Dror

AU - Zilbermann, Israel

AU - Maimon, Eric

AU - Shames, Alexander I.

AU - Cohen, Haim

AU - Meyerstein, Dan

N1 - Funding Information: This study was supported in part by a grant from the Budgeting and Planning Committee of The Council of Higher Education and the Israel Atomic Energy Commission.

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N2 - Several new anions were shown to be good stabilizing ligands for Ni(III)L(H2O)23+, (L = 1,4,8,11-tetraazacyclotetradecane, cyclam) in aqueous solutions. Mo7O246-, phosphonates, phosphates, including the biological relevant ATP were shown to have the highest binding constants to the tervalent nickel ion. The results suggest that the charge density of the anion at the binding site and the basicity of the anion are the main factors affecting the binding constant to the central Ni(III) cation.

AB - Several new anions were shown to be good stabilizing ligands for Ni(III)L(H2O)23+, (L = 1,4,8,11-tetraazacyclotetradecane, cyclam) in aqueous solutions. Mo7O246-, phosphonates, phosphates, including the biological relevant ATP were shown to have the highest binding constants to the tervalent nickel ion. The results suggest that the charge density of the anion at the binding site and the basicity of the anion are the main factors affecting the binding constant to the central Ni(III) cation.

KW - Anionic ligands

KW - Aqueous solutions

KW - Cyclam

KW - Ni(III)

KW - Stabilization

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Anions as stabilizing ligands for Ni(III)(cyclam) in aqueous solutions

Abstract

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Keywords

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