Ibrahim, Yehia A; Kaul, Kamini; Al-Awadi, Nouria A
Tetrahedron, 2001 , vol. 57, # 51 p. 10171 - 10176

Singh; Balasubrahmanyam; Prasad
Indian Journal of Chemistry - Section B Organic Chemistry Including Medicinal Chemistry, 1990 , vol. 29, # 9 p. 804 - 810

Ibrahim, Yehia A; Kaul, Kamini; Al-Awadi, Nouria A
Tetrahedron, 2001 , vol. 57, # 51 p. 10171 - 10176