Abstract
Complexes [RuCp(Adeninate‐κN9)(PTA)2] (1), [RuCp(Guaninate‐κN9)(PTA)2] (2), [RuCp(Theophyllinate‐κN7)(PTA)2] (3), [RuCp(Adeninate‐κN9)(PPh3)(PTA)] (4), [RuCp(Guaninate‐κN9)(PPh3)(PTA)] (5) and [RuCp(Theophyllinate‐κN7)(PPh3)(PTA)] (6) were synthesized and characterized by NMR spectroscopy, elemental analysis and FT‐IR (PTA = 1,3,5‐triaza‐7‐phosphaadamantane). Crystal structures of 1·H2O·3EtOH, 3·CH3COCH3 and 4·H2O were also determined by single‐crystal X‐ray diffraction. The antiproliferative activities of the complexes against cisplatin‐sensitive T2 and cisplatin‐resistant SKOV3 cell lines have also been evaluated. Theoretical studies were preformed to elucidate how the adeninate ligand is coordinated to the metal.
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