Formation of mono- and di- nuclear complexes of Zn2+ from a 26 membered tetraester crown of 3,5-disubstituted pyrazole able to act as neutral and dianionic ligand

1. Acerete, C.
2. Bueno, J.M.
3. Campayo, L.
4. Navarro, P.
5. Rodriguez-Franco, M.I.
6. Samat, A.