The first examples of (arene)Os(ii) curcuminoid derivatives have been prepared and characterized. The neutral complexes [(p-cym)Os(curc)Cl] (1) and [(p-cym)Os(bdcurc)Cl] (2), together with the cationic derivatives [(p-cym)Os(curc)(PTA)][SO3CF3] (3) and [(p-cym)Os(bdcurc)(PTA)][SO3CF3] (4) (PTA = 1,3,5-triaza-7-phosphaadamantane) were characterized by NMR spectroscopy and ESI mass spectrometry, and the crystal structure of 1 was determined by X-ray diffraction analysis. The cytotoxicity of the complexes was evaluated in vitro against human ovarian carcinoma cells (A2780 and A2780cisR), as well as against non-tumorous Human Embryonic Kidney cells (HEK293). Binding of the complexes to potential pharmacological targets and serum carriers was also explored.

Novel osmium(ii)–cymene complexes containing curcumin and bisdemethoxycurcumin ligands

Pettinari, Riccardo;Marchetti, Fabio;Di Nicola, Corrado;Pettinari, Claudio;Cuccioloni, Massimiliano;Bonfili, Laura;Eleuteri, Anna Maria;
2019-01-01

Abstract

The first examples of (arene)Os(ii) curcuminoid derivatives have been prepared and characterized. The neutral complexes [(p-cym)Os(curc)Cl] (1) and [(p-cym)Os(bdcurc)Cl] (2), together with the cationic derivatives [(p-cym)Os(curc)(PTA)][SO3CF3] (3) and [(p-cym)Os(bdcurc)(PTA)][SO3CF3] (4) (PTA = 1,3,5-triaza-7-phosphaadamantane) were characterized by NMR spectroscopy and ESI mass spectrometry, and the crystal structure of 1 was determined by X-ray diffraction analysis. The cytotoxicity of the complexes was evaluated in vitro against human ovarian carcinoma cells (A2780 and A2780cisR), as well as against non-tumorous Human Embryonic Kidney cells (HEK293). Binding of the complexes to potential pharmacological targets and serum carriers was also explored.
2019
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11581/429994
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