M. A. M. A. Reheim, I. S. A. Hafiz, and S. Mohamed, “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., vol. 7, no. 3, pp. 298–308, Sep. 2016.