The First Enantiospecific Palladium-Catalyzed Cycloaddition of Aziridines and Heterocumulenes. Novel Synthesis of Chiral Five-Membered Ring Heterocycles
Enantiospecific and stereospecific rhodium(I)-catalyzed carbonylation and ring expansion of aziridines. Asymmetric synthesis of .beta.-lactams and the kinetic resolution of aziridines