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Zeitschrift für Naturforschung B

A Journal of Chemical Sciences

12 Issues per year


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1865-7117
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Volume 51, Issue 11

Issues

Transition Metal Complexes of Diazenes, XXXVIII [1] Activation of Aromatic C-Cl Bonds in the Oxidative Addition of ortho-Chlorophenyldiazenes to Chlorotris(triphenylphosphine)rhodium

Uwe R. Aulwurm
  • Institut für Anorganische Chemie der Universität Erlangen-Nürnberg, Egerlandstraße 1, D-91058 Erlangen
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Falk Knoch
  • Institut für Anorganische Chemie der Universität Erlangen-Nürnberg, Egerlandstraße 1, D-91058 Erlangen
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Horst Kisch
  • Institut für Anorganische Chemie der Universität Erlangen-Nürnberg, Egerlandstraße 1, D-91058 Erlangen
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2014-06-02 | DOI: https://doi.org/10.1515/znb-1996-1103

Refluxing a slightly acidic n-BuOH solution of RhCl(PPh3)3 and 2-chloro-, 2,4-dichloro-, or 2,4,6-trichloroazobenzene affords cyclometalated complexes (1) via loss of one phosphine ligand and oxidative addition of the ortho -C-Cl bond. X-ray structural analysis indicates a trans-position of the two triphenylphosphine ligands. The reaction proceeds only in polar solvents like alcohols or dimethyl sulfoxide but not in toluene. In the presence of air or oxygen a hydrido complex was formed as a by-product.

Keywords: ortho-Metalation; C-Cl Activation; 1,2-Diaryldiazenes

About the article

Received: 1996-04-10

Published Online: 2014-06-02

Published in Print: 1996-11-01


Citation Information: Zeitschrift für Naturforschung B, Volume 51, Issue 11, Pages 1555–1558, ISSN (Online) 1865-7117, ISSN (Print) 0932-0776, DOI: https://doi.org/10.1515/znb-1996-1103.

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© 1946 – 2014: Verlag der Zeitschrift für Naturforschung. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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[1]
Daniel I. McIsaac, Stephen J. Geier, Christopher M. Vogels, Andreas Decken, and Stephen A. Westcott
Inorganica Chimica Acta, 2006, Volume 359, Number 9, Page 2771

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