Te. Gunda et F. Sztaricskai, ASYMMETRIC-SYNTHESIS OF CIS-3-PHTHALIMIDO-4-STYRYL-2-AZETIDINONES - APPLICATION OF A NEW CHIRAL N-PROTECTING GROUP IN MONOBACTAM CHEMISTRY, Bioorganic & medicinal chemistry letters, 3(11), 1993, pp. 2379-2382
-dihydroxy-2-propyl)-3-phthalimido-4-styrylazetidi n-2-ones (6a-d), ob
tained in optically pure form via chiral Staudinger reactions, were tr
ansformed to the N-deprotected derivatives (8a,b) by means of a two-st
ep oxidative procedure.