Martinez-Bescos, Patricia; Cagide-Fagin, Fernando; Roa, Luis F.; Ortiz-Lara, Juan Carlos; Kierus, Krzysztof; Ozores-Viturro, Lidia; Fernandez-Gonzalez, Marta; Alonso, Ricardo Journal of Organic Chemistry, 2008 , vol. 73, # 10 p. 3745 - 3753