Studies With Functionally Substituted Heteroaromatics: A Novel Route for the Synthesis of 1-Aryl-6-oxopyridazinones, 1-Arylpyridazine-6-imines and 1-Aryl-6-imino-4-pyridazinals - Al-Omran, Fatima; Khalik, Mervat Mohammed Abdel; Abou-Elkhair, Adel; Elnagdi, Mohammed Hilmy (Synthesis, 1997)