1. Department of Chemistry , College of Science and Humanities, Shaqra University , Dawadmi , 11911 , Saudi Arabia
2. Applied Organic Chemistry Department , National Research Centre , Dokki , Giza , 12622, Egypt
3. School of Chemistry, Cardiff University , Main Building, Park Place , Cardiff , CF10 3AT, UK
4. Cornea Research Chair, Department of Optometry , College of Applied Medical Sciences, King Saud University , P. O. Box 10219 , Riyadh , 11433, Saudi Arabia