Eisencarbonylkomplexe des Äthylens und Hexatriens

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Abstract
The reactions of ethylene and hexatriene with di‐iron enneacarbonyl give π‐ethylene iron tetracarbonyl, and π‐hexatriene iron tricarbonyl, π‐hexatriene di‐iron octacarbonyl, π‐hexatriene di‐iron heptacarbonyl, and π‐hexatriene iron tetracarbonyl respectively. The compounds with the exception of the latter were isolated and characterised. Their structures are discussed on the basis of Ir.‐, NMR.‐ and dipole moment data.