Br. Lagu et Dc. Liotta, DIASTEREOSELECTIVE SYNTHESIS OF THE KEY LACTONE INTERMEDIATE FOR THE PREPARATION OF HYDROXYETHYLENE DIPEPTIDE ISOSTERES, Tetrahedron letters, 35(4), 1994, pp. 547-550
An efficient and highly stereoselective route for preparing hydroxyeth
ylene dipeptide isosteres from alpha-N,N-dibenzylamino ketones has bee
n developed.