Migration of the ferrocenyl moiety during the McMurry coupling of ferrocenyl ketones

Peter Härter, Klaus Latzel, Michael Spiegler, Eberhardt Herdtweck

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

The coupling of [3]-ferrocenophan-1-one 1 with McMurry type reagents to yield olefins E,Z-bis([3]-ferrocenophane-1-ylidene) 2a,b is described. In the case of the TiCl3/Zn reagent only pinacol rearrangement to complex 3 subsequent to coupling takes place in high yield. In contrast, upon addition of pyridine the reaction proceeds to the olefins in high yield. The X-ray structure of 3 and the electrochemistry of the olefins 2a,b is described.

Original languageEnglish
Pages (from-to)1141-1148
Number of pages8
JournalPolyhedron
Volume17
Issue number7
DOIs
StatePublished - 1998

Keywords

  • Biferrocenes
  • Crystal structure
  • Electrochemistry
  • Ferrocenyl ketones
  • Mcmurry coupling
  • Pinacol rearrangement

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