参考文献

Martins, Marcos A.P; Beck, Paulo; Cunico, Wilson; Pereira, Claudio M.P; Sinhorin, Adilson P; Blanco, Rogerio F; Peres, Rodrigo; Bonacorso, Helio G; Zanatta, Nilo Tetrahedron Letters, 2002 , vol. 43, # 39 p. 7005 - 7008