Abstract

Abstract A series of amphiphilic resin-supported MOP ligands PEP-MOP were prepared on a polyethylene glycol-polystyrene graft copolymer. Palladium complexes of PEP-MOP were found to be effective as catalysts for the asymmetric substitution of 1,3-diphenyl-2-propenyl acetate with 3-methyl-2,4-pentanedione in aqueous K2CO3 to give 1,3-diphenyl-4-acetyl-4-methyl-1-hexen-5-one of up to 81% ee.

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