Solution structure and dynamics of DTPA-Ln(III) complexes (DTPA=diethylene triamine penta acetate; LnLa, Pr, Eu)

Silvio Aime; Mauro Botta

doi:10.1016/S0020-1693(00)91917-0

Solution structure and dynamics of DTPA-Ln(III) complexes (DTPA=diethylene triamine penta acetate; LnLa, Pr, Eu)

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Abstract

Variable temperature ¹H and ¹³C NMR spectra and proton and carbon longitudinal relaxation times allow the complete characterization of the solution structure and dynamics of three Ln(III) complexes of DTPA (LnLa, Pr and Eu). Our results show that a rapid interconversion between octadentate structures occurs on the NMR time scale which can be 'frozen out' at low temperature for Pr and Eu complexes.

Lingua originale	Inglese
pagine (da-a)	101-105
Numero di pagine	5
Rivista	Inorganica Chimica Acta
Volume	177
Numero di pubblicazione	1
DOI	https://doi.org/10.1016/S0020-1693(00)91917-0
Stato di pubblicazione	Pubblicato - 1 nov 1990
Pubblicato esternamente	Sì

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10.1016/S0020-1693(00)91917-0

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title = "Solution structure and dynamics of DTPA-Ln(III) complexes (DTPA=diethylene triamine penta acetate; LnLa, Pr, Eu)",

abstract = "Variable temperature 1H and 13C NMR spectra and proton and carbon longitudinal relaxation times allow the complete characterization of the solution structure and dynamics of three Ln(III) complexes of DTPA (LnLa, Pr and Eu). Our results show that a rapid interconversion between octadentate structures occurs on the NMR time scale which can be 'frozen out' at low temperature for Pr and Eu complexes.",

author = "Silvio Aime and Mauro Botta",

year = "1990",

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AU - Botta, Mauro

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Y1 - 1990/11/1

N2 - Variable temperature 1H and 13C NMR spectra and proton and carbon longitudinal relaxation times allow the complete characterization of the solution structure and dynamics of three Ln(III) complexes of DTPA (LnLa, Pr and Eu). Our results show that a rapid interconversion between octadentate structures occurs on the NMR time scale which can be 'frozen out' at low temperature for Pr and Eu complexes.

AB - Variable temperature 1H and 13C NMR spectra and proton and carbon longitudinal relaxation times allow the complete characterization of the solution structure and dynamics of three Ln(III) complexes of DTPA (LnLa, Pr and Eu). Our results show that a rapid interconversion between octadentate structures occurs on the NMR time scale which can be 'frozen out' at low temperature for Pr and Eu complexes.

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Solution structure and dynamics of DTPA-Ln(III) complexes (DTPA=diethylene triamine penta acetate; LnLa, Pr, Eu)

Abstract

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