1. Chemistry Department, Faculty of Science, Minia University, El-Minia, Egypt
2. Medicinal Chemistry Department, Faculty of Pharmacy, Minia University, El-Minia, Egypt
3. Organic and Medicinal Chemistry Department, Faculty of Pharmacy, University of Sadat City, Menoufia, Egypt
4. Chemistry Department, Florida Institute of Technology, Melbourne, FL, USA
5. Organic Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Assuit, Egypt
6. Institute of Organic Chemistry, Karlsruhe Institute of Technology, Karlsruhe, Germany
7. Institute of Biological and Chemical Systems (IBCS-FMS), Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany
8. Department of Chemistry, University of Helsinki, Helsinki, Finland