Nitrogen-containing rings are among the most useful heterocycles and their utility has been widely demonstrated [1]. Heteroaromatic nitrogen ligands have attracted strong interest because they have found applications in several important research and technological fields such as supramolecular chemistry [2], asymmetric homogeneous and heterogeneous catalysis [3], photosensitisation [4], DNA binding [5], use as diagnostic agents and drugs [6 ...
[Mohareb, Rafat M.; Sherif, Sherif M.; Habashi, Adiba; Abdel-Sayed, Nadia I.; Osman, Samia S. Collection of Czechoslovak Chemical Communications, 1995 , vol. 60, # 9 p. 1578 - 1586]