1. Chemistry Department, Faculty of Science; Aswan University; 81528 Aswan Egypt
2. Chemistry Department, Faculty of Science; Minia University; 61519 El-Minia Egypt
3. Science and Technology Unit (STU); Umm Al-Qura University; KSA
4. Department of Organometallic and Organometalloid Chemistry; National Research Centre; Dokki 12622 Cairo Egypt
5. Basic and Applied Science Department, Faculty of Oral and Dental Medicine; Nahda University; Beni-Suef Egypt