The stereoselective synthesis of α,α-difluoro-β-hydroxyketones of high enantiomeric purity is described starting from opticallyactiveα,α-difluoro-β-hydroxy esters. The esters were converted to the corresponding N-methoxy-N-methyl amides, which were treated with Grignard and organolithium reagents to provide the α,α-difluoro-β-hydroxyketones with up to 100% ee.