1. Department of Pharmaceutical Chemistry, College of Pharmacy , King Saud University , P.O. Box 2457, Riyadh 11451 , Saudi Arabia
2. School of health and biomedical sciences , RMIT University , Melbourne 3083 , Australia
3. Department of Medicinal Chemistry, Faculty of Pharmacy , University of Mansoura , Mansoura , Egypt
4. Organometallic and Organometalloid Chemistry Department, National Research Centre , Dokki 12622, Cairo , Egypt