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A Manganese(V)–Oxo Tetraamido Macrocyclic Ligand (TAML) Cation Radical Complex: Synthesis, Characterization, and Reactivity Studies

Title
A Manganese(V)–Oxo Tetraamido Macrocyclic Ligand (TAML) Cation Radical Complex: Synthesis, Characterization, and Reactivity Studies
Authors
Karmalkar D.G.Li X.-X.Seo M.S.Sankaralingam M.Ohta T.Sarangi R.Hong S.Nam W.
Ewha Authors
남원우서미숙
SCOPUS Author ID
남원우scopus; 서미숙scopusscopus
Issue Date
2018
Journal Title
Chemistry - A European Journal
ISSN
0947-6539JCR Link
Citation
Chemistry - A European Journal vol. 24, no. 68, pp. 17927 - 17931
Keywords
C−H bond activationmanganeseolefin epoxidationradicalssulfoxidation
Publisher
Wiley-VCH Verlag
Indexed
SCI; SCIE; SCOPUS WOS scopus
Document Type
Article
Abstract
A mononuclear manganese(V)–oxo complex with tetraamido macrocyclic ligand (TAML), [MnV(O)(TAML)]− (1), is a sluggish oxidant in oxidation reactions. Herein, a mononuclear manganese(V)–oxo TAML cation radical complex, [MnV(O)(TAML+.)] (2), is reported. It was synthesized by reacting [MnIII(TAML)]− with 3.0 equivalents of [RuIII(bpy)3]3+ or upon addition of one-electron oxidant to 1 and then characterized thoroughly with various spectroscopic techniques along with DFT calculations. Although 1 is a sluggish oxidant, 2 is a strong oxidant capable of activating C−H bonds of hydrocarbons (i.e., hydrogen atom transfer reaction) and transferring its oxygen atom to thioanisoles and olefins (i.e., oxygen atom transfer reaction). © 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
DOI
10.1002/chem.201804898
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자연과학대학 > 화학·나노과학전공 > Journal papers
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