Probing α-Amino Aldehydes as Weakly Acidic Pronucleophiles: Direct Access to Quaternary α-Amino Aldehydes by an Enantioselective Michael Addition Catalyzed by Brønsted Bases

1. García-Urricelqui, A.
2. de Cózar, A.
3. Mielgo, A.
4. Palomo, C.