Gonzalez-Calderon, Davir; Benitez-Puebla, Luis J.; Gonzalez-Gonzalez, Carlos A.; Assad-Hernandez, Salomon; Fuentes-Benitez, Aydee; Cuevas-Yanez, Erick; Corona-Becerril, David; Gonzalez-Romero, Carlos Tetrahedron Letters, 2013 , vol. 54, # 37 p. 5130 - 5132