Reaktionen von Phosphor‐Yliden mit Übergangsmetallverbindungen, I 2‐(Triphenylphosphoranyliden)acylat‐ und Methoxy[1‐(triphenyl‐phosphoranyliden)alkyl]carben‐Liganden in Komplexen des Typs Fe(CO) ₄ L

Reactions of Phosphorus Ylides with Transition Metal Compounds, I 2-(Triphenylphosphoranylidene)acylate- and Methoxy[1-(triphenylphosphoranylidene)alkyl]carbene Ligands in Complexes of the Type Fe(CO)4L Methylenetriphenyl- and ethylidenetriphenylphosphorane react with pentacarbonyliron to give the complexes [(CO)4FeC(O⊖)C(R)P(C6H5)3] (1: R H, 2: R CH3). By alkylation of 1 and 2 with dimethyl sulfate the yellow stable carbene complexes (CO)4FeC-(OCH3)C(R) P(C6H5)3 (3: R H, 4: R CH3) are synthesized. The structure of the new compounds was established by analysis and spectra.