1. Centrale Lille, Univ. Artois, UMR8181 – UCCS – Unité de Catalyse et de Chimie du Solide, Univ. Lille, F-59000 Lille, France
2. Department of Organic Chemistry, Biochemistry and Catalysis, University of Bucharest, B-dul Regina Elisabeta 4-12, Bucharest, Romania