Synthesis and Synthetic Applications of Samarium Enolates of Unmasked Amides: Efficient Synthesis of 3-Aminoamides and 3-Amino-2-chloroamides - Concellón, José M.; Rodríguez-Solla, Humberto; Concellón, Carmen; Simal, Carmen; Alvaredo, Noemí (Synlett, 2010)