Journal of Organometallic Chemistry p. 221 - 228 (1993)
Update date:2022-07-30
Topics:
Stepowska, Halszka
Zamojski, Aleksander
The effect of replacement of triphenylphosphine in CpFe(CO)PPh3(COR) by methyldiphenylphosphine on the reactivity of the acyl ligand attached toFe has been investigated.Reactions of anions generated from complexes (η5-C5H5)Fe(CO)(CH3PPh2)COCH3 (5) and (η5-C5H5)Fe(CO)(CH3PPh2)COC2H5 (6) with a variety of electrophilic reagents gave mixtures of diastereo- and regio-isomeric products.The proportion of these was found to be independent of the type of base used for deprotonation but dependent on the stoichiometric base-to-complex ratio.The product of benzylation 12gave methyl 3-phenylpropionate after decomplexation with NBS in methanol.
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