Highly enantioselective synthesis of α-azido-β-hydroxy methyl ketones catalyzed by a cooperative proline-guanidinium salt system

1. Martínez-Castañeda, Á.
2. Kȩdziora, K.
3. Lavandera, I.
4. Rodríguez-Solla, H.
5. Concellón, C.
6. Del Amo, V.