Bunce, Richard A.; Nammalwar, Baskar
Journal of Heterocyclic Chemistry, 2011 , vol. 48, # 3 p. 613 - 619

Journal of the Chemical Society, Chemical Communications, , # 15 p. 1741 - 1742

Tollari, Stefano; Cenini, Sergio; Ragaini, Fabio; Cassar, Lucia
Journal of the Chemical Society, Chemical Communications, 1994 , # 15 p. 1741 - 1742

Jaiswal, Neelam; Jaiswal, R. K.; Barthwal, J. P.; Kishor, K.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1981 , vol. 20, # 3 p. 252 - 253