Iwamura, Tatsunori; Fujita, Masaru; Kawakita, Tetsuya; Kinoshita, Sayaka; Watanabe, Shin-Ichi; Kataoka, Tadashi
Tetrahedron, 2001 , vol. 57, # 40 p. 8455 - 8462

Basavaiah, Deevi; Hyma, Rachakonda Suguna; Padmaja, Kisari; Krishnamacharyulu, Marimganti
Tetrahedron, 1999 , vol. 55, # 22 p. 6971 - 6976