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- Title
From 0 to II in One-Electron Steps: A Series of Ruthenium Complexes Supported by TropPPh<sub>2</sub>.
- Authors
Yang, Xiuxiu; Gianetti, Thomas L.; Harbort, Joshua; Wörle, Michael D.; Tan, Lilin; Su, Cheng-Yong; Jurt, Pascal; Harmer, Jeffrey R.; Grützmacher, Hansjörg
- Abstract
We report the synthesis of a series of ruthenium complexes supported by the phosphine olefin ligand tropPPh2 (trop=5-H-dibenzo-[a,d]cyclohepten-5-yl) in the oxidation states 0, +I, and +II, formed via successive one-electron oxidization steps from Ru0(tropPPh2)2. The bidentate character of the tropPPh2 ligand and its steric hindrance force the complexes to adopt uncommon geometries, which were investigated by X-ray diffraction analysis. EPR data of the mononuclear RuI complex reveal couplings of the unpaired spin with the ruthenium and two phosphorus nuclei, as well as the olefinic protons which show that the spin is mainly localized on the RuI center.
- Subjects
RUTHENIUM; PHOSPHINE; ALKENES; PROTONS; X-ray diffraction
- Publication
Angewandte Chemie International Edition, 2016, Vol 55, Issue 39, p11999
- ISSN
1433-7851
- Publication type
Article
- DOI
10.1002/anie.201605687