Sanchez-Eleuterio, Alma; Sandoval-Lira, Jacinto; Garcia-Sanchez, Jenny; Monterrosas-Perez, Lorena; Hernandez-Perez, Julio M.; Quintero, Leticia; Sartillo-Piscil, Fernando Journal of Organic Chemistry, 2013, vol. 78, # 18 p. 9127 - 9136 doi: 10.1021/jo4012943