1. Chemistry Department, Faculty of Science, Al-Azhar University, 11884 Nasr City, Cairo, Egypt
2. Pharmaceutical Chemistry Department, Drug Exploration and Development Chair (DEDC), College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
3. Applied Organic Chemistry Department, National Research Centre, Dokki, Giza 12622, Egypt
4. Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P. O. Box 2457, Riyadh 11451, Saudi Arabia
5. Department of Medicinal Chemistry, Faculty of Pharmacy, University of Mansoura, Mansoura 35516, Egypt