Synthesis of novel C-4 disubstituted beta-lactam that has N-methyl pyrrole system has been achieved through Staudinger cycloaddition reaction of acid chloride and imine. Interestingly, this reaction has produced a single stereoisomer.
Rodriguez, Robert; Nambiar, Anjali; Yadav, Ram N.; and Banik, Bimal K., "SYNTHESIS OF NOVEL C-4 DISUBSTITUTED β-LACTAMS THROUGH STAUDINGER CYCLOADDITION REACTION" (2014). Chemistry Faculty Publications and Presentations. 97.