Synthesis of 3, 4-disubstituted 2-azetidinones has been achieved following Staudinger reaction under microwave-induced conditions. The stereoselectivity of β-lactam formation depends on the nature of the solvents used in the reaction.
Bandyopadhyay, Debasish; Yanez, Marco; and Banik, Bimal K., "MICROWAVE-INDUCED STEREOSELECTIVITY OF β-LACTAM FORMATION: EFFECTS OF SOLVENTS" (2011). Chemistry Faculty Publications and Presentations. 109.