Mali, R. S.; Manekar, Anita R.; Tilve, S. G.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1988 , vol. 27, # 1-27 p. 1090 - 1092

Tetrahedron Letters, , vol. 50, # 25 p. 3070 - 3073

Lee, Hyun Jung; Seo, Jai Woong; Lee, Bong Ho; Chung, Kyoo-Hyun; Chi, Dae Yoon
Bioorganic and Medicinal Chemistry Letters, 2004 , vol. 14, # 2 p. 463 - 466