1. Chemistry Department, Faculty of Science, Minia University, 61519 El-Minia, Egypt
2. Chemistry Department, College of Sciences and Humanities, Prince Sattam Bin Abdulaziz University, Al-Kharij, Saudi Arabia
3. Institute of Organic Chemistry, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany
4. Institute of Biological and Chemical Systems (IBCS-FMS), Karlsruhe Institute of Technology, Ggenstein-Leopoldshafen, 76344 Karlsruhe, Germany