Synthesis, structure and reactivity of cationic base-stabilized gallyleneiron complexes

Keiji Ueno, Takahito Watanabe, Hiroshi Ogino

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22 Citations (Scopus)


Addition of 2,2′-bipyridine (bpy) to an acetonitrile solution of dichlorogallyliron complex FpGaCl2 (1: Fp = (η-C5H5)Fe(CO)2) afforded almost quantitatively a salt consisting of a cationic base-stabilized gallylene complex [FpGaCl·bpy]+ ([3a]+) and an anionic complex [FpGaCl3]- ([4]-). Reaction of Fp′GaCl2 (Fp′ = Fp (1), Fp* (2); Fp* = (η-C5Me5)Fe(CO)2) with NaBPh4 in the presence of a bidentate donor (Do2) gave [Fp′GaCl·Do2]BPh4 where Do2 was bpy or 1,10-phenanthroline (phen). These cationic complexes may be useful precursors for the synthesis of gallyleneiron complexes with various substituents on the gallium atom. Indeed, reaction of [Fp*GaCl·phen]BPh4 ([5b]BPh4) with NaSPTol or Me3SiSPTol afforded the gallyleneiron complex [Fp*GaSPTol·phen]BPh4 ([6]BPh4), the first example of a gallium-transition metal complex having a thiolate group on the gallium atom. The molecular structures of [5b]BPh4 and [6]BPh4 were determined by single crystal X-ray diffraction.

Original languageEnglish
Pages (from-to)403-408
Number of pages6
JournalApplied Organometallic Chemistry
Issue number6-7
Publication statusPublished - 2003


  • Dehalosilylation reaction
  • Gallyl iron complexes
  • Gallylene iron complexes

ASJC Scopus subject areas

  • Chemistry(all)
  • Inorganic Chemistry


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