On the question of the diastereoselective alkylation of 4-unsubstituted 3-amino β-lactams. A concise synthesis of α-branched α-amino β-lactams and their coupling with α-amino acid esters

1. Palomo, C.
2. Aizpurua, J.M.
3. Galarza, R.
4. Benito, A.
5. Khamrai, U.K.
6. Eikeseth, U.
7. Linden, A.