Abstract
Allyl groups of (η3-allyl)Fe(CO)2(NO) complexes undergo regioselective cabonylation at the less substituted carbon of the η3-allyl ligands in the presence of 1,2-bis(diphenylphosphino)ethane to give (β,γ-unsaturated acyl)Fe(CO)(NO)(dppe) complexes in good yields. X-ray analysis of the acyl complex thus obtained revealed that the complex has a trigonal bipyramid geometry. A characteristic substituent effect of the η3-allyl ligands on the CO insertion reaction was observed.
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