%0 Journal Article %T Synthesis of nitrogen heterocycles from ethyl 3-(6-dibenzothiophen-2-yl-pyridazin-3-ylamino)-3-oxopropanoate %A Mohamed Sayed Behalo %A Aly Abdelmaboud Aly %J European Journal of Chemistry %D 2011 %I %R 10.5155/eurjchem.2.3.295-299.376 %X An efficient synthesis of nitrogen-containing heterocycles pyrazole, triazole, pyridinone and pyrimidinone derivatives from ethyl 3-(6-dibenzothiophen-2-yl-pyridazin-3-ylamino)-3-oxopropanoate (2) was described. The structures of all products were confirmed and characterized by the elemental analysis and spectroscopic studies (IR, MS, 1H NMR, 13C NMR). %K Dibenzothiophene %K Pyridazine %K Triazole %K Pyrimidinone %K Pyrazole %K Pyridinone %U http://www.eurjchem.com/index.php/eurjchem/article/view/376