1. Department of Chemistry and Centre for Sustainable ChemistryGhent University Krijgslaan 281 9000 Ghent Belgium
2. LCMTENSICAENUNICAENCNRSNormandie University 14000 Caen France
3. Separation and Conversion TechnologyVITO (Flemish Institute for Technological Research) Boeretang 200 B-2400 Mol Belgium
4. H.E.J. Research Institute of ChemistryInternational Center for Chemical and Biological SciencesUniversity of Karachi Karachi- 75270 Pakistan
5. Department of ChemistryCollege of ScienceKing Saud University, P. O. Box 2455 Riyadh 11451 Saudi Arabia