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Preparation and characterization of carbene complexes of iron from azolyl and thienyl precursors

DOI: 10.1039/dt9960004431

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 4431 - 4438 (1996)

Update date:2022-09-26

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Authors:

Raubenheimer, Helgard G.Raubenheimer, Helgard G.

Desmet, MiekeDesmet, Mieke

Olivier, PierreOlivier, Pierre

Kruger, Gert J.Kruger, Gert J.

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Article abstract of DOI:10.1039/dt9960004431

Azolyl and thienyl iron(II) complexes have been synthesized by the addition of 1-phenylpyrazol-5-yllithium, 5-(4,5-dihydro-4,4-dimethyloxazolin-2-yl)-2-thienyllithium, 2-(4,5-dihydro-4,4-dimethyloxazolin-2-yl)-3-thienyllithium or 5-(2-pyridyl)-2-thienyllithium to [Fe(cp)(CO)2Cl] (cp = η-C5H5). Protonation or alkylation of these precursor complexes yielded the corresponding amino(organo)-, organo(thio)- or heterometallacyclic alkoxy(amino)- and hydroxy(amino)-carbene complexes as well as compounds in which the ligand shows more pyridinium character. The molecular structures of the pyrazolyl complex [Fe(cp)(CO)2(C=CHCH=NNPh)] and the pyrazolinylidene complex [Fe(cp)(CO)2(CCH=CHNHNPh)][CF3SO3] have iron-carbon bond lengths of 1.981(2) and 1.969(5) A respectively.

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Product name:Fe(CO)(C5H5)(P(C6H5)3)(C10H9NS)(1+)*CF3SO3(1-) = [Fe(CO)(C5H5)(P(C6H5)3)(C10H9NS)]CF3SO3

Cas No:185841-92-3

185841-92-3

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