参考文献

O'Connor, Matthew J.; Boblak, Kenneth N.; Spitzer, Ashley D.; Gucciardo, Peter A.; Baumann, Andrew M.; Peter, Joshua W.; Chen, Connie Y.; Peter, Ronald; Mitton, Adam A.; Klumpp, Douglas A. Tetrahedron Letters, 2010 , vol. 51, # 38 p. 4984 - 4987