1. CP3A Organic Synthesis Group, ICMMO, CNRS; Université Paris Sud, Université Paris Saclay; 15 Rue George Clemenceau 91405 Orsay Cedex France
2. School of Chemistry; University of Leeds; Woodhouse Lane Leeds LS2 9JT UK
3. Astbury Centre for Structural Molecular Biology; University of Leeds; Woodhouse Lane Leeds LS2 9JT UK
4. UFR Sciences Pharmaceutiques et Biologiques; Université Paris Descartes; 4 Avenue de l'Observatoire 75270 Paris cedex 06 France