Chemoselective reactions of N1-methyl-2-hydroxy-3-methylamino-3-phenylpropanamide with electrophiles. Synthesis of chiral hexahydro-4-pyrimidinones and oxazolidines - Hajji, Chakib; Testa, Mª Luisa; Zaballos-Garcıa, Elena; Zaragozá, Ramón J.; Server-Carrió, Juan; Sepúlveda-Arques, José (Tetrahedron, 2002)