a
Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, Gainesville, USA
E-mail: katritzky@chem.ufl.edu
b
Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig-44519, Egypt
c
Department of Organic Chemistry, College of Pharmacy, Misr University for Science and Technology, Al-Motamayez District, 6th of October, P.O. Box: 77, Egypt
d
Department of Chemistry, King Abdulaziz University, Jeddah, Saudi Arabia