Übergangsmetall-Methylen-Komplexe, X [1] Methylen-und Alkyl-Eisen-Komplexe aus Diazoalkanen. Molekülstruktur von μ-Carbonyl-μ-tert-butoxycarbonyl-methylen- bis [carbonyl(η5 -cyclopentadienyl)eisen] (Fe-Fe)/Transition Metal Methylene Complexes, X [1] Methylene and Alkyl Iron Complexes from Diazoalkanes. Molecular Structure of μ-Carbonyl-μ-tert-butoxycarbonyl-methylene- bis[carbonyl(η5-cyclopentadienyl)iron] (Fe-Fe)
Open Access
- 1 June 1980
- journal article
- research article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 35 (6) , 680-688
- https://doi.org/10.1515/znb-1980-0607
Abstract
The novel doubly bridged μ-methylene iron complexes μ-[C(H)CO2R]-μ-CO[(η5-C5H5)Fe(CO)]2 (R = C2H5: 3a; R = tC4H9: 3b) have been synthesized by low-temperature photolysis of the corresponding alkyldiazoacetates 2a and 2b, resp., in the presence of [(η5-C5H5)Fe(CO)2]2 (1) and characterized by means of their analytical data and IR, 1H NMR and mass spectroscopy. The geometry of 3b has been established by single crystal X-ray diffraction techniques. δ-Alkyl iron complexes of the type (η5-C5H5)Fe(CO)2[CHRRʹ] are accessible from the corresponding diazoalkanes N2 = CRRʹ.Keywords
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