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

Tobin J Marks; Alan R. Newman

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

Tobin J Marks, Alan R. Newman

Northwestern University

Research output: Contribution to journal › Article › peer-review

98 Citations (Scopus)

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 language	English
Pages (from-to)	769-773
Number of pages	5
Journal	Journal of the American Chemical Society
Volume	95
Issue number	3
Publication status	Published - 1973

ASJC Scopus subject areas

Chemistry(all)

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

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.",

author = "Marks, {Tobin J} and Newman, {Alan R.}",

year = "1973",

language = "English",

volume = "95",

pages = "769--773",

journal = "Journal of the American Chemical Society",

issn = "0002-7863",

publisher = "American Chemical Society",

number = "3",

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T1 - Facile and reversible homolysis of iron-germanium, -tin, and -lead bonds by Lewis bases

AU - Marks, Tobin J

AU - Newman, Alan R.

PY - 1973

Y1 - 1973

N2 - 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.

AB - 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.

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