Concise synthesis of α-alkyl α-amino acids and their incorporation into peptides via β-lactam-derived α-amino acid N-carboxy anhydrides

1. Palomo, C.
2. Aizpurua, J.M.
3. Ganboa, I.
4. Odriozola, B.
5. Urchegui, R.
6. Görls, H.