参考文献

Lopez-Romero, J. Manuel; Rico, Rodrigo; Martinez-Mallorquin, Rocio; Hierrezuelo, Jesus; Guillen, Elena; Cai, Chengzhi; Otero, J. Carlos; Lopez-Tocon, Isabel Tetrahedron Letters, 2007 , vol. 48, # 35 p. 6075 - 6079