Rigidified Bis(sulfonyl)ethylenes as Effective Michael Acceptors for Asymmetric Catalysis: Application to the Enantioselective Synthesis of Quaternary Hydantoins

1. Villaescusa, L.
2. Hernández, I.
3. Azcune, L.
4. Rudi, A.
5. Mercero, J.M.
6. Landa, A.
7. Oiarbide, M.
8. Palomo, C.