Kusumi, Takenori; Takahashi, Haruko; Xu, Ping; Fukusima, Toshiro; Asakawa, Yoshinori; et al.
Tetrahedron Letters, 1994 , vol. 35, # 25 p. 4397 - 4400

Kusumi, Takenori; Takahashi, Haruko; Xu, Ping; Fukusima, Toshiro; Asakawa, Yoshinori; et al. Tetrahedron Letters, 1994 ,  vol. 35,  # 25  p. 4397 - 4400                  Gautier, Nicolas; Noiret, Nicolas; Nugier-Chauvin, Caroline; Patin, Henri Tetrahedron Asymmetry, 1997 ,  vol. 8,  # 4  p. 501 - 505