The directed lithiation route to 2-amino-3-alkylquinones: Highly regioselective introduction of electrophiles at the C-7 position of 2(1H)-quinolinones

1. Sánchez, J.D.
2. Cledera, P.
3. Perumal, S.
4. Avendaño, C.
5. Menéndez, J.C.