A chiral synthon (2), prepared previously via 1,2-acyl migration of the optically active alpha,beta-epoxy ketone (1), was synthesized from Koga's chiral keto ester (6) in 4 steps.
A chiral synthon (2), prepared previously via 1,2-acyl migration of the optically active alpha,beta-epoxy ketone (1), was synthesized from Koga's chiral keto ester (6) in 4 steps.