1. Department of Organic Chemistry, Biochemistry and Catalysis University of Bucharest 4-12 Regina Elisabeta Av., S3 030018 Bucharest Romania
2. Department of Inorganic Chemistry University of Bucharest 4-12 Regina Elisabeta Av., S3 030018 Bucharest Romania
3. Institute of Organic Chemistry “C. D. Nenitzescu” Romanian Academy 202 B Spl. Independenţei, S6 060023 Bucharest Romania
4. Univ. Lille CNRS, Centrale Lille, Univ. Artois, UMR 8181 – UCCS – Unité de Catalyse et Chimie du Solide F-59000 Lille France