El-Sayed; Khodairy
Synthetic Communications, 1998 , vol. 28, # 18 p. 3331 - 3343

Elgemeie, Galal Hamza; Elfahham, Hassan Attia; Ibrahiem, Yusria Rizk; Elnagdi, Mohamed Hilmy
Archiv der Pharmazie (Weinheim, Germany), 1989 , vol. 322, p. 535 - 540

Abdelrazek, Fathy M.; Michael, Farid A.
Journal of Heterocyclic Chemistry, 2006 , vol. 43, # 1 p. 7 - 10