On the reactions of methyl radicals with nitrilotris(methylenephosphonic-acid) complexes in aqueous solutions

Guy Yardeni; Dan Meyerstein; Lioubov Kats; Haim Cohen; Israel Zilbermann; Eric Maimon

doi:10.1080/00958972.2019.1698736

On the reactions of methyl radicals with nitrilotris(methylenephosphonic-acid) complexes in aqueous solutions

Guy Yardeni, Dan Meyerstein, Lioubov Kats, Haim Cohen, Israel Zilbermann, Eric Maimon

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

4 Scopus citations

Abstract

The reactions of methyl radicals with M^II-(ntp)(H₂O)₂ complexes were studied. The formation of an unstable intermediate (ntp)(H₂O)M^III-CH₃ is observed. This reaction is an equilibrium process, i.e. the M^III-C bond decomposes via homolysis. The (ntp)(H₂O)M^III-CH₃ complexes isomerize to a more stable form. The results compared to those obtained in analogous reactions of the M^II-(nta)(H₂O)₂ complexes were shown to be similar with one exception–for the nta complexes no isomerization process is observed.

Original language	English
Pages (from-to)	3445-3457
Number of pages	13
Journal	Journal of Coordination Chemistry
Volume	72
Issue number	22-24
DOIs	https://doi.org/10.1080/00958972.2019.1698736
State	Published - 17 Dec 2019
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2019, © 2019 Informa UK Limited, trading as Taylor & Francis Group.

Funding

This study was supported by a grant from the Israeli Atomic Energy Committee and the Planning and Budgeting committee of the Israel Council of Higher Education.

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

Keywords

methyl radical
ntp complexes
pulse-radiolysis

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10.1080/00958972.2019.1698736

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title = "On the reactions of methyl radicals with nitrilotris(methylenephosphonic-acid) complexes in aqueous solutions",

abstract = "The reactions of methyl radicals with MII-(ntp)(H2O)2 complexes were studied. The formation of an unstable intermediate (ntp)(H2O)MIII-CH3 is observed. This reaction is an equilibrium process, i.e. the MIII-C bond decomposes via homolysis. The (ntp)(H2O)MIII-CH3 complexes isomerize to a more stable form. The results compared to those obtained in analogous reactions of the MII-(nta)(H2O)2 complexes were shown to be similar with one exception–for the nta complexes no isomerization process is observed.",

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AU - Yardeni, Guy

AU - Meyerstein, Dan

AU - Kats, Lioubov

AU - Cohen, Haim

AU - Zilbermann, Israel

AU - Maimon, Eric

PY - 2019/12/17

Y1 - 2019/12/17

N2 - The reactions of methyl radicals with MII-(ntp)(H2O)2 complexes were studied. The formation of an unstable intermediate (ntp)(H2O)MIII-CH3 is observed. This reaction is an equilibrium process, i.e. the MIII-C bond decomposes via homolysis. The (ntp)(H2O)MIII-CH3 complexes isomerize to a more stable form. The results compared to those obtained in analogous reactions of the MII-(nta)(H2O)2 complexes were shown to be similar with one exception–for the nta complexes no isomerization process is observed.

AB - The reactions of methyl radicals with MII-(ntp)(H2O)2 complexes were studied. The formation of an unstable intermediate (ntp)(H2O)MIII-CH3 is observed. This reaction is an equilibrium process, i.e. the MIII-C bond decomposes via homolysis. The (ntp)(H2O)MIII-CH3 complexes isomerize to a more stable form. The results compared to those obtained in analogous reactions of the MII-(nta)(H2O)2 complexes were shown to be similar with one exception–for the nta complexes no isomerization process is observed.

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KW - ntp complexes

KW - pulse-radiolysis

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On the reactions of methyl radicals with nitrilotris(methylenephosphonic-acid) complexes in aqueous solutions

Abstract

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Keywords

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