1. Chemistry Department, Faculty of Science, New Valley University, El-Kharja, Egypt
2. Chemistry Department, Faculty of Science, Assiut University, Assiut, Egypt
3. Department of Chemistry, University of Science and Technology of China, Hefei, China
4. Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Assiut University, Assiut, Egypt
5. Helmholtz Institute for Pharmaceutical Research Saarland, Helmholtz Centre for Infection Research, Saarbrucken, Germany
6. Department of Pharmacy, Saarland University, Saarbrucken, Germany
7. Materials Science and Engineering Laboratory, Department of Chemistry, Faculty of Science, Assiut University, Assiut, Egypt