The preparation, spectroscopic study and crystal structures of two copper(II) complexes of closely related carboxyphenylazopyrimidine ligands, involving distorted square-pyramidal CuN4O and CuN3O2 chromophores

1. Moreno, J.M.
2. Ruiz, J.
3. Dominguez-Vera, J.M.
4. Colacio, E.
5. Galisteo, D.
6. Kivekäs, R.