Aziridination and unpredicted homologation reaction of N-sulfonylimines were achieved easily with a very simple, rapid and mild procedure through the use of diazomethane without the presence of any catalyst. The method represents an attractive alternative to metal-catalyzed processes.
Branco, P. C. D. S., & DQ Group Author (2010). Catalyst-free aziridination and unexpected homologation of aziridines from imines. Organic & Biomolecular Chemistry, 8(13), 2968-2974. https://doi.org/10.1039/c001894e