Hartung, Ingo V.; Eggert, Ulrike; Haustedt, Lars Ole; Niess, Barbara; Schaefer, Peter M.; Hoffmann, H. Martin R.
Synthesis, 2003 , # 12 p. 1844 - 1850

Evans; Fitch; Smith; Cee
Journal of the American Chemical Society, 2000 , vol. 122, # 41 p. 10033 - 10046