Facile and reversible homolysis of iron-germanium, -tin, and -lead bonds by Lewis bases

Tobin J Marks, Alan R. Newman

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Abstract

Molecules of the general formula [R2MFe(CO)4]2, M = Ge, Sn, or Pb, readily and reversibly undergo homolytic cleavage by relatively weak Lewis bases to produce tetracarbonyliron complexes of the general formula base · R2M→Fe(CO)4. The relative cleavage propensity for metals is Ge > Sn ≥ Pb and for bases is pyridine > acetone > tetrahydrofuran > diethyl ether. It is seen that diaryl- and dialkylgermylenes, -stannylenes, and -plumbylenes, when coordinated to a transition metal, can still function as strong Lewis acids.

Original languageEnglish
Pages (from-to)769-773
Number of pages5
JournalJournal of the American Chemical Society
Volume95
Issue number3
Publication statusPublished - 1973

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ASJC Scopus subject areas

  • Chemistry(all)

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