Preparation and study of amino acid (DL-leucine, L-isoleucine, L-histidine) Schiff bases with ethyl-α-ketocyclopentylcarboxylate and the corresponding copper(II) complexes

1. Angoso, A.
2. Martín-Llorente, J.M.
3. Manzano, J.L.
4. Martín, M.
5. Martín, R.
6. Rodríguez, E.
7. Soria, J.