1. Department of Mechanical and Process Engineering, ETH Zürich, Switzerland
2. Zelinsky Institute of Organic Chemistry, RAS, Moscow, Russia
3. Centre de RMN à hauts champs de Lyon, UMR 5082 (CNRS, ENS Lyon, Université Lyon 1), Université de Lyon, Villeurbanne F-69100, France
4. Department of Chemistry and Applied Biosciences, ETH Zürich, Switzerland
5. CNRS, CEMHTI UPR3079, Université d'Orléans, France