The first general palladium-catalyzed intermolecular diamination of internal alkenes employs different nitrogen sources, which add to the alkene in a regio- and diastereoselective fashion. The resulting diamination products can be converted directly into a known ligand motif.
Palladium-catalyzed vicinal difunctionalization of internal alkenes: Diastereoselective synthesis of diamines
Angew. Chem. Int. Ed. 2012, 51, 7031-7034.