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Linked Open Data
A Common Active Intermediate in the Oxidation of Alkenes, Alcohols and Alkanes with H2O2 and a Mn(II)/Pyridin-2-Carboxylato Catalyst
Identificadors del recurs
http://hdl.handle.net/10256/23584
Procedència
(DUGiDocs. Recerca)

Fitxa

Títol:
A Common Active Intermediate in the Oxidation of Alkenes, Alcohols and Alkanes with H2O2 and a Mn(II)/Pyridin-2-Carboxylato Catalyst
Matèria:
Oxidació
Oxidation
Alquens
Alkenes
Descripció:
The mechanism and the reactive species involved in the oxidation of alkenes, and alcohols with H2O2, catalysed by an in situ prepared mixture of a MnII salt, pyridine-2-carboxylic acid and a ketone is elucidated using substrate competition experiments, kinetic isotope effect (KIE) measurements, and atom tracking with 18O labelling. The data indicate that a single reactive species engages in the oxidation of both alkenes and alcohols. The primary KIE in the oxidation of benzyl alcohols is ca. 3.5 and shows the reactive species to be selective despite a zero order dependence on substrate concentration, and the high turnover frequencies (up to 30 s−1) observed. Selective 18O labelling identifies the origin of the oxygen atoms transferred to the substrate during oxidation, and is consistent with a highly reactive, e. g., [MnV(O)(OH)] or [MnV(O)2], species rather than an alkylperoxy or hydroperoxy species
Font:
ChemCatChem, 2023, vol. 15, núm. 1, p. e202201072
Articles publicats (D-Q)
Idioma:
English
Relació:
info:eu-repo/semantics/altIdentifier/doi/10.1002/cctc.202201072
info:eu-repo/semantics/altIdentifier/issn/1867-3880
info:eu-repo/semantics/altIdentifier/eissn/1867-3899
Autor/Productor:
Kasper, Johann B.
Saisaha, Pattama
Roo, Maurits de
Groen, Mitchell J.
Vicens Serra, Laia
Borrell Recasens, Margarida
Boer, Johannes W. de
Hage, Ronald
Costas Salgueiro, Miquel
Browne, Wesley R.
Editor:
Wiley
Drets:
Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
Data:
2023-01-09
Tipus de recurs:
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
peer-reviewed
Format:
application/pdf

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    4. < dc:creator > Roo, Maurits de </ dc:creator >

    5. < dc:creator > Groen, Mitchell J. </ dc:creator >

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    2. < creator > Kasper, Johann B. </ creator >

    3. < creator > Saisaha, Pattama </ creator >

    4. < creator > Roo, Maurits de </ creator >

    5. < creator > Groen, Mitchell J. </ creator >

    6. < creator > Vicens Serra, Laia </ creator >

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    9. < creator > Hage, Ronald </ creator >

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    16. < description > The mechanism and the reactive species involved in the oxidation of alkenes, and alcohols with H2O2, catalysed by an in situ prepared mixture of a MnII salt, pyridine-2-carboxylic acid and a ketone is elucidated using substrate competition experiments, kinetic isotope effect (KIE) measurements, and atom tracking with 18O labelling. The data indicate that a single reactive species engages in the oxidation of both alkenes and alcohols. The primary KIE in the oxidation of benzyl alcohols is ca. 3.5 and shows the reactive species to be selective despite a zero order dependence on substrate concentration, and the high turnover frequencies (up to 30 s−1) observed. Selective 18O labelling identifies the origin of the oxygen atoms transferred to the substrate during oxidation, and is consistent with a highly reactive, e. g., [MnV(O)(OH)] or [MnV(O)2], species rather than an alkylperoxy or hydroperoxy species </ description >

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