Communication

Air-Stable {(C5H5)Co} Catalysts for [2+2+2] Cycloadditions†

  1. Anaïs Geny Dr.,
  2. Nicolas Agenet Dr.,
  3. Laura Iannazzo,
  4. Max Malacria Prof. Dr.,
  5. Corinne Aubert Dr.,
  6. Vincent Gandon Dr.

Article first published online: 28 JAN 2009

DOI: 10.1002/anie.200806001

Issue

Angewandte Chemie International Edition

Angewandte Chemie International Edition

Volume 48, Issue 10, pages 1810–1813, February 23, 2009

Additional Information

How to Cite

Geny, A., Agenet, N., Iannazzo, L., Malacria, M., Aubert, C. and Gandon, V. (2009), Air-Stable {(C5H5)Co} Catalysts for [2+2+2] Cycloadditions. Angew. Chem. Int. Ed., 48: 1810–1813. doi: 10.1002/anie.200806001

Author Information

  1. Université Pierre et Marie Curie Paris 06, IPCM, FR2769, 4 Place Jussieu, 75252 Paris cedex 05 (France) http://www.umr7611.upmc.fr/homepage/vgandon

  1. †

    This work was supported by CNRS, MRES, IUF, and DGA.

Publication History

  1. Issue published online: 17 FEB 2009
  2. Article first published online: 28 JAN 2009
  3. Manuscript Received: 9 DEC 2008

Funded by

  • CNRS
  • MRES
  • IUF
  • DGA

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Keywords:

  • alkynes;
  • cobalt;
  • cycloaddition;
  • cyclopentadienyl ligands;
  • nitrogen heterocycles

Abstract

Thumbnail image of graphical abstract

Cobalt cyclopentadienyl complexes incorporating a fumarate and a CO ligand (see picture) efficiently catalyze inter- and intramolecular [2+2+2] cycloadditions of alkynes, nitriles, and/or alkenes to give benzenes, pyridines, or 1,3-cyclohexadienes. Unlike catalysts such as [CpCo(CO)2] or [CpCo(C2H4)2] (Cp=C5H5), they are air-stable, easy to handle, compatible with microwave conditions, and do not necessarily require irradiation to be active.

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