A general route to novel dinuclear iron carbonyl complexes containing alkanethiolate and bridging organic ligands

Article abstract of DOI:10.1021/om00121a037

The reaction of Fe₃(CO)₁₂ with mercaptans (RSH, R = Et, Me₃C) in the presence of stoichiometric Et₃N in THF gives the reactive salt [Et₃NH⁺][(μ-RS)(μ-CO)Fe₂(CO) ₆^-]. Reactions of the latter with benzoyl and acetyl chloride, diphenylchlorophosphine, allyl chloride, and propargylic halides have been studied. New bridging ligands (μ-RC=O, μ-Ph₂P, μ-C₃H₆, μ-η¹, η²-allenyl) were introduced between the iron atoms in all of these reactions. X-ray crystal structures of (μ-EtS)(μ-C₃H₆)Fe₂(CO)₆ and (μ-Me₃CS)(μ-η¹,η²-CH=C=CH ₂)Fe(CO)₆ were determined.