Dienyl complexes of transition metals. Part II. The addition of hydride to halogen-substituted arenecyclopentadienyliron cations

Authors:
  • IKI. U. Khand
    I. U. Khand
  • PPP. L. Pauson
    P. L. Pauson
  • WWW. E. Watts
    W. E. Watts
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Abstract
The addition of hydride to a series of (halogenoarene)cyclopentadienyliron cations has been shown to occur exclusively at the arene ring, with reaction at positions ortho to the halogen substituent favoured. The bromoarene derivatives undergo partial debromination both under the conditions of their formation from ferrocene and by reaction with borohydride. The 1H n.m.r. spectra of these compounds are discussed.