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NaClO-Generated Iron(IV)oxo and Iron(V)oxo TAMLs in Pure Water.


ABSTRACT: The unique properties of entirely aliphatic TAML activator [FeIII{(Me2CNCOCMe2NCO)2CMe2}OH2]- (3), namely the increased steric bulk of the ligand and the unmatched resistance to the acid-induced demetalation, enables the generation of high-valent iron derivatives in pure water at any pH. An iron(V)oxo species is readily produced with NaClO at pH values from 2 to 10.6 without any observable intermediate. This is the first reported example of iron(V)oxo formed in pure water. At pH 13, iron(V)oxo is not formed and NaClO oxidizes 3 to an iron(IV)oxo derivative.

SUBMITTER: Mills MR 

PROVIDER: S-EPMC5479757 | biostudies-literature | 2016 Oct

REPOSITORIES: biostudies-literature

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NaClO-Generated Iron(IV)oxo and Iron(V)oxo TAMLs in Pure Water.

Mills Matthew R MR   Weitz Andrew C AC   Hendrich Michael P MP   Ryabov Alexander D AD   Collins Terrence J TJ  

Journal of the American Chemical Society 20161017 42


The unique properties of entirely aliphatic TAML activator [Fe<sup>III</sup>{(Me<sub>2</sub>CNCOCMe<sub>2</sub>NCO)<sub>2</sub>CMe<sub>2</sub>}OH<sub>2</sub>]<sup>-</sup> (3), namely the increased steric bulk of the ligand and the unmatched resistance to the acid-induced demetalation, enables the generation of high-valent iron derivatives in pure water at any pH. An iron(V)oxo species is readily produced with NaClO at pH values from 2 to 10.6 without any observable intermediate. This is the firs  ...[more]

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