Reheim, M. A. M. A.; Hafiz, I. S. A.; Mohamed, S. Utility of β-Diketones in Heterocyclic Synthesis: Synthesis of New Tetrahydro-Pyrimidinethione, Pyrazole, Thiophene, Dihydropyridine, Dihydropyrane, Pyridazine Derivatives and Investigation of Their Antimicrobial Activity. Eur. J. Chem. 2016, 7, 298-308.