1. Laboratoire de Chimie Organique
2. Institute of Chemistry
3. Biology and Innovation (CBI)
4. UMR 8231, ESPCI ParisTech/CNRS/PSL Research University
5. 75231-Paris Cedex 05
6. Chemistry and Biotechnology Development
7. SANOFI
8. 34184-Montpellier Cedex 04
9. France
10. Sanofi Process Development
11. 04210-Sisteron Cedex