参考文献

Markgraf, J. Hodge; Chang, Raymond; Cort, John R.; Durant Jr., Joseph L.; Finkelstein, Manuel; Gross, Andrew W.; Lavyne, Michael H.; Moore, W. Michael; Petersen, Raymond C.; Ross, Sidney D. Tetrahedron, 1997 , vol. 53, # 29 p. 10009 - 10018