1. Department of Chemistry; Faculty of Science, Sohag University; Sohag 82524 Egypt
2. Departamento de Quimica Organica e Inorganica, Faculad de Quimica; Universdad de Oviedo; 33006 Oviedo Spain
3. Faculty of Specific Education; Ain Shams University; 365 Ramsis Street, Abassia Cairo Egypt
4. Faculty of Science and Arts Turaif for Girls; Northern Border University; Saudi Arabia