Vanderlei, Jose Mauricio De L.; Coelho, Fernando; Almeida, Wanda P.
Synthetic Communications, 1998 , vol. 28, # 16 p. 3047 - 3055

Isemori, Yuichi; Kobayashi, Yuichi
Synlett, 2004 , # 11 p. 1941 - 1944