Cp 2 TiX Complexes for Sustainable Catalysis in Single-Electron Steps

We present a combined electrochemical, kinetic, and synthetic study with a novel and easily accessible class of titanocene catalysts for catalysis in single-electron steps. The tailoring of the electronic properties of our Cp TiX-catalysts that are prepared in situ from readily available Cp TiX is a...

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Bibliographic Details
Published in:Chemistry : a European journal 2018-04, Vol.24 (24), p.6371-6379
Main Authors: Richrath, Ruben B, Olyschläger, Theresa, Hildebrandt, Sven, Enny, Daniel G, Fianu, Godfred D, Flowers, 2nd, Robert A, Gansäuer, Andreas
Format: Article
Language:English
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Summary:We present a combined electrochemical, kinetic, and synthetic study with a novel and easily accessible class of titanocene catalysts for catalysis in single-electron steps. The tailoring of the electronic properties of our Cp TiX-catalysts that are prepared in situ from readily available Cp TiX is achieved by varying the anionic ligand X. Of the complexes investigated, Cp TiOMs proved to be either equal or substantially superior to the best catalysts developed earlier. The kinetic and thermodynamic properties pertinent to catalysis have been determined. They allow a mechanistic understanding of the subtle interplay of properties required for an efficient oxidative addition and reduction. Therefore, our study highlights that efficient catalysts do not require the elaborate covalent modification of the cyclopentadienyl ligands.
ISSN:0947-6539
1521-3765
DOI:10.1002/chem.201705707