Abstract
The first C 2-symmetric diphosphine ligand possessing only the planar chirality of ferrocene was prepared from 1,1′-bis(diphenylphosphino)-2,2′-bis(oxazolinyl)ferrocene by the transformation of the oxazoline moieties in the molecule and with this new chiral ferrocene diphosphine ligand, up to 92% ee was obtained for the palladium-catalyzed allylic alkylation of 1,3-diphenyl-2-propenyl acetate with 2,4-pentanedione.
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