Asymmetric 1,4-addition of oxazolones to nitroalkenes by bifunctional cinchona alkaloid thiourea organocatalysts: synthesis of α,α- disubstituted α-amino acids

1. Alemán, J.
2. Milelli, A.
3. Cabrera, S.
4. Reyes, E.
5. Jørgensen, K.A.