Výsledky vyhledávání - "Welf O. Koch"

Evidence for an Unusual Thermally Induced Low-Spin (S=1/2) ⇄ Intermediate-Spin (S=3/2) Transition in a Six-Coordinate Iron(III) Complex: Structure and Electronic Properties of a (1,2-Benzenedithiolato)iron(III) Complex ContainingN,N′-Dimethyl-2,11-diaza[3.3](2,6)pyridinophane as Ligand

Autor: Welf O. Koch, Volker Schünemann, Alfred X. Trautwein, Michael Gerdan, Hans-Jörg Krüger

Publikováno v: Chemistry - A European Journal. 4:686-691

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::765a9c6078c9a5dfc2398efdd8a6bf21
https://doi.org/10.1002/(sici)1521-3765(19980416)4:4<686::aid-chem686>3.0.co

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A Highly Reactive and Catalytically Active Model System for Intradiol-Cleaving Catechol Dioxygenases: Structure and Reactivity of Iron(III) Catecholate Complexes ofN,N′-Dimethyl-2,11-diaza[3.3](2,6)pyridinophane

Autor: Welf O. Koch, Hans-Jörg Krüger

Publikováno v: Angewandte Chemie International Edition in English. 34:2671-2674

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5cdd4cf05133e1b68fa09550e8abd9f5
https://doi.org/10.1002/anie.199526711

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Ein sehr reaktives und katalytisch wirksames Modellsystem für intradiolspaltende Catechol-Dioxygenasen: Struktur und Reaktivität von Eisen(III)-Catecholatkomplexen vonN,N′-Dimethyl-2,11-diaza[3.3](2,6)pyridinophan

Autor: Welf O. Koch, Hans-Jörg Krüger

Publikováno v: Angewandte Chemie. 107:2928-2931

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b41d44bcb5c2fe8d42e2166ae36a3bcd
https://doi.org/10.1002/ange.19951072335

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Eight-Coordinate Iron(II) and Iron(III) Ions in Complexes with Distorted Dodecahedral FeN8 Environments: Synthesis and Structures of Bis(2,11-diaza[3.3](2,6)pyridinophane)iron Complexes

Autor: A. Barbieri, Volker Schünemann, Welf O. Koch, Michael Grodzicki, Alfred X. Trautwein, Hans-Jörg Krüger

Publikováno v: Angewandte Chemie International Edition in English. 35:422-424

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b8ab69f144e045955ab21fd07174a3c7
https://doi.org/10.1002/anie.199604221

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First structural characterization of an eight-coordinate cobalt(II) complex containing five-membered chelate rings: evidence for d-orbital ς-stabilization energy favoring eight- over six-coordination at cobalt(II) ions

Autor: Welf O. Koch, Jens T. Kaiser

Publikováno v: Chemical Communications. :2237-2238

For the first time, an eight-coordinate cobalt(II) complex is presented where only five-membered chelate rings are formed with the coordinated ligand; evidence is put forward that in addition to reasons of the tetraazamacrocyclic nature of the ligand

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d2245f78af69a9d1eac8f1b7a9eb567a
https://doi.org/10.1039/a705665f

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Structural, spectroscopic, and chemical properties of the first low-spin iron(III) semiquinonate complexes in the solid state and in solution

Autor: Alfred X. Trautwein, Volker Schünemann, Welf O. Koch, Michael Gerdan, Hans-Jörg Krüger

Publikováno v: Scopus-Elsevier

A strong antiferromagnetic coupling between the S=1/2 spin of the low-spin iron(III) ion and the S=1/2 spin of the coordinated semiquinonate radical ligand characterizes 1. Its solution chemistry and its solid-state properties were investigated by va

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d237223a55cba18fe31a6024931c2df1
http://www.scopus.com/inward/record.url?eid=2-s2.0-0031851104&partnerID=MN8TOARS

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