From model compounds to applications: Kinetic studies on the activation of dioxygen using an iron complex in a SuperFocus mixer

•An iron system that could be used for selective oxidation reactions.•Mechanistic studies using stopped-flow and continuous flow.•A recyclable reaction KIT system applicable in industrial settings. It was demonstrated previously that a system consisting of a dinuclear iron complex with the ligand HP...

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Bibliographic Details
Published inChemical engineering science Vol. 190; pp. 459 - 465
Main Authors Miska, Andreas, Schurr, Daniela, Rinke, Günter, Dittmeyer, Roland, Schindler, Siegfried
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 23.11.2018
Subjects
Continuous-flow
Diiron peroxido complex
Dioxygen activation
Kinetics
Reusable reaction KIT system
Stopped-flow
Diiron peroxido complex
Reusable reaction KIT system
Kinetics
Continuous-flow
Dioxygen activation
Stopped-flow
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Summary:•An iron system that could be used for selective oxidation reactions.•Mechanistic studies using stopped-flow and continuous flow.•A recyclable reaction KIT system applicable in industrial settings. It was demonstrated previously that a system consisting of a dinuclear iron complex with the ligand HPTB (N,N,N′,N′-tetrakis[2-benzimidazolylmethyl]-1,3-diamino-2-propanol) reacts with dioxygen to form a peroxido complex that may be used for the oxidation of organic substrates. Detailed kinetic studies using stopped-flow techniques and a SuperFocus mixer clearly demonstrate that this complex has a high potential for future applications in catalytic selective oxidation processes in industry. Especially for that reason a reaction KIT system for easy handling was developed that allows to start with a stable iron(III) complex that is reduced (activated) prior to its oxidation with dioxygen. This work has been selected by the Editors as a Featured Cover Article for this issue.
ISSN:0009-2509
1873-4405
DOI:10.1016/j.ces.2018.05.064