Publikation: Redox-Rich Metallocene Tetrazene Complexes : Synthesis, Structure, Electrochemistry, and Catalysis
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Thermal or photochemical metal-centered cycloaddition reactions of azidocobaltocenium hexafluoridophosphate or azidoferrocene with (cyclooctadiene)(cyclopentadienyl)cobalt(I) afforded the first metallocenyl-substituted tetrazene cyclopentadienyl cobalt complexes together with azocobaltocenium or azoferrocene as side products. The trimetallic CpCo compounds are highly conjugated, colored, and redox-active metallo-aromatic compounds, as shown by their spectroscopic, structural, and electrochemical properties. The CpCo-tetrazenido complex with two terminally appended cobaltocene units catalyzes electrochemical proton reduction from acetic acid at a mild overpotential (0.35 V). Replacing cobaltocene with ferrocene moieties rendered the complex inactive toward catalysis.
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VANICEK, Stefan, Markus JOCHRIEM, Christopher HASSENRÜCK, Souvik ROY, Holger KOPACKA, Klaus WURST, Thomas MÜLLER, Rainer F. WINTER, Erwin REISNER, Benno BILDSTEIN, 2019. Redox-Rich Metallocene Tetrazene Complexes : Synthesis, Structure, Electrochemistry, and Catalysis. In: Organometallics. 2019, 38(6), pp. 1361-1371. ISSN 0276-7333. eISSN 1520-6041. Available under: doi: 10.1021/acs.organomet.8b00681BibTex
@article{Vanicek2019-03-25Redox-44423, year={2019}, doi={10.1021/acs.organomet.8b00681}, title={Redox-Rich Metallocene Tetrazene Complexes : Synthesis, Structure, Electrochemistry, and Catalysis}, number={6}, volume={38}, issn={0276-7333}, journal={Organometallics}, pages={1361--1371}, author={Vanicek, Stefan and Jochriem, Markus and Hassenrück, Christopher and Roy, Souvik and Kopacka, Holger and Wurst, Klaus and Müller, Thomas and Winter, Rainer F. and Reisner, Erwin and Bildstein, Benno} }
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