G. Cainelli et al., ESTER IMINE CONDENSATION MEDIATED BY POTASSIUM TERT-BUTOXIDE - SYNTHESIS OF BETA-LACTAMS AND 3,4-DIHYDROPYRIDIN-2-ONES, Synthesis, (8), 1994, pp. 805-808
The utility of the weak base potassium tert-butoxide has been successf
ully demonstrated in the synthesis of beta-lactams and 3,4-dihydropyri
din-2-ones starting from esters and imines.