Transit Met Chem (2017) 42:503–508 DOI 10.1007/s11243-017-0154-8 A copper(II) complex of a semicarbazone: crystal structure, spectroscopic analysis and cytotoxicity against human cancer cell lines 1 1 1 1 • • • • Claudia C. Gatto Patrı´cia M. Miguel Carolane M. Almeida Pedro H. O. Santiago 2 2,3 Carlos R. K. Paier Claudia Pessoa Received: 20 March 2017 / Accepted: 24 May 2017 / Published online: 31 May 2017 Springer International Publishing Switzerland 2017 Abstract A Cu(II) complex of 2-hydroxyacetophenone biological activity, although there has so for been limited N(4)-phenyl semicarbazone (H L) has been prepared, and understanding of their molecular mechanisms of action . its crystal structure is reported. The single-crystal X-ray Several transition metal ions play important roles in living study reveals a dimeric structure with a distorted square organisms, and copper is an essential trace metal for both planar coordination geometry around each copper atom, animals and plants. Several types of copper-based com- with an ONO-donor ligand and l -oxo group located plexes have been extensively investigated as potential between the two copper atoms. The secondary coordination antitumor agents . It has been established that copper(II) sphere of Cu(II) is six-coordinate, with a NO ion and is
Transition Metal Chemistry – Springer Journals
Published: May 31, 2017
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