Ethyl 4,4-dimethyl pyroglutamate (DMPG): a chiral auxiliary in cyclopropanation and carbonyl group activator - Ezquerra, Jesus; Mantecón, Susana; Vaquero, Juan Jose; Losada, Pablo García; Puente, María Luz de la; Espinosa, Felix; Rivera-Sagredo, Alfonso (ARKIVOC, 2010)
doi: 10.3998/ark.5550190.0012.305