10.22376/ijpbs.2019.10.1.p1-12 Volume 5 Issue 4 2014 (October - December) This paper reports the synthesis of nitrogen containing heterocyclic compounds such as quinoxalines (5-7), imidazoles (8, 9,10,11), aminothiazole (12), aminooxazole (13), aminoimidazole (14) and benzothiazine (17) from the reaction with unsymmetrical diketone 4, 3 and 4a respectively. The aforementioned compounds with 4-pyridyl,4-fluorophenyl groups have different positions in their ring skeleton. The quinoxalinone derivatives (19, 20) were synthesized by the reaction of (18) with o-phenylenediamine and 4,5-dimethyl- o-phenylenediamine respectively. KUO CHU HWANG AND PERIYASAMY MURUGAN p38 MAP kinase inhibitor, inflammatory, triarylimidazole, unsymmetrical diketones, benzothiazine, 1,3,5- trione, o-phenylenediamine, quinoxalinone. 212-224