Acta Cryst. (2005). E61, m1413-m1415  [ doi:10.1107/S1600536805019483 ]

Tricarbonyl[⁴-2-phenyl-4-(3-phenylallylidene)-4H-oxazol-5-one]iron(0)

W. Imhof and S. Garms

Abstract: The title compound, [Fe(C₁₈H₁₃NO₂)(CO)₃], is produced by the reaction of Fe₂(CO)₉ with an azlactone obtained from hippuric acid and cinnamaldehyde. Although, in principle, various coordination sites are possible in the ligand, the 1,3-butadiene subunit exclusively binds to the transition metal in an ⁴-fashion. The crystal structure is stabilized by intermolecular interactions between the O atoms of the lactone and terminal carbon monoxide ligands and various CH groups.

Online 30 June 2005

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