Nawwar, Galal A. M.; Zaki, Magdi M. E. A.; Chabaka, Laila M., Phosphorus, Sulfur and Silicon and the Related Elements, 1993, vol. 79, # 1,4, p. 195 - 206
Synthesis of Structurally Related Purines: Benzimidazo[1,2-a]pyridines, Benzimidazo-[1,2-c]pyrimidines, and Pyrazolo-[1,5-a]pyrimidines
作者:Galal H. Elgemeie、Nadia H. Metwally
DOI:10.1007/s007060050025
日期:——
alkanones with 2-cyanomethylbenzimidazole afforded benzimidazo[1,2- a ]pyridines. Analogues reactions with 2-aminobenzimidazole and 5-aminopyrazoles afforded benzimidazo[1,2- c ]pyrimidines and pyrazolo[1,5- a ]pyrimidines.