1. Department of Chemistry College of Science United Arab Emirates University P.O. Box 15551 Al Ain United Arab Emirates
2. School of Chemical and Biomedical Engineering Nanyang Technological University 62 Nanyang Drive, N1.2-B1-14 Singapore.
3. Applied Organic Chemistry Department National Research Centre, Cairo Egypt
4. Faculty of Science and Arts Mohail Asser, King Khalid University Saudi Arabia
5. Chemistry Department, Faculty of Science Al-Azhar University (Boys), Cairo Egypt