Regioselective synthesis of 2(1H)-pyridinones from β-aminoenones and malononitrile. Reaction mechanism

1. Alberola, A.
2. Calvo, L.A.
3. Ortega, A.G.
4. Ruíz, M.C.S.
5. Yustos, P.
6. Granda, S.G.
7. García-Rodriguez, E.