1. Department of Pharmaceutical Organic Chemistry; Faculty of Pharmacy; Zagazig University; Zagazig 44519 Egypt
2. Department of Pharmaceutical Chemistry; Faculty of Pharmacy; Damanhour University; Damanhour 22516 Egypt
3. Department of Pharmaceutical Chemistry; College of Pharmacy; Almaarefa Colleges for Science and Technology; Riyadh 11597 Saudi Arabia
4. Department of Organic Chemistry; College of Pharmacy; Misr University for Science and Technology; 6th of October, P.O. Box: 77 Giza Egypt
5. Department of Chemistry & Physics; Augusta University; Augusta GA 30912 USA