Redox-Rich Metallocene Tetrazene Complexes : Synthesis, Structure, Electrochemistry, and Catalysis

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2019
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Vanicek, Stefan
Jochriem, Markus
Roy, Souvik
Kopacka, Holger
Wurst, Klaus
Müller, Thomas
Reisner, Erwin
Bildstein, Benno
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Organometallics. 2019, 38(6), pp. 1361-1371. ISSN 0276-7333. eISSN 1520-6041. Available under: doi: 10.1021/acs.organomet.8b00681
Zusammenfassung

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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ISO 690VANICEK, 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.8b00681
BibTex
@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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