Journal
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
Volume 45, Issue 3, Pages 1051-1058Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ejmech.2009.11.055
Keywords
Ruthenium(II)-arene; Pyridine derivatives; Cytotoxicity
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Funding
- Ministry of Science, Republic of Serbia [142010, 142062, 145035]
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Ruthenium(II)-arene complexes of general formulae [(eta(6)-p-cymene)Ru(L1-3)Cl-2], where L1-3 is 3-acetylpyridine (1), 4-acetylpyridine (2) and 2-amino-5-chloropyridine (3), Correspondingly, [(eta(6)-p-cymene)Ru(HL4,5)Cl-2], where HL4 and HL5 are respectively isonicotinic acid (4) and nicotinic acid (5) and [(eta(6)-p-cymene)Ru(HL6-9)Cl], where H2L6-9 represent 2,3-pyridinedicarboxylic acid (6), 2,4-pyidinedicarboxylic acid (7), 2,5-pyridinedicarboxylic acid (8) and 2,6-pyridinedicarboxylic acid (9), were prepared by the reaction of (eta(6)-p-cymene)(2)RuCl2](2) (10) with the corresponding ligand in 1:2 molar ratio in isopropanol. The complexes were characterized by elemental analysis, mass spectrometry, IR and NMR spectroscopies. According to these data the molecules adopt the usual three-leg piano-stool geometry which is common for this type of complexes. The structures of I and 7 were determined by X-ray crystallography. The complexes revealed low antiproliferative activity in six investigated tumor cell lines (HeLa, B16, FemX, MDA-MB-361, MDA-MB-453 and LS-174). The reaction of 6 with 9-methyladenine was studied by H-1 NMR, H-1, H-1 COSY and H-1, H-1 NOESY spectroscopy. (C) 2009 Elsevier Masson SAS. All rights reserved.
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