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Acid-base equilibria of the aqua adducts of Ru(II) arene complexes with functionalised pyridines

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2012
Authors
Dražić, Branka
Grgurić-Sipka, Sanja
Ivanović, Ivanka
Tešić, Živoslav
Popović, Gordana
Article (Published version)
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Abstract
Acid-base equilibria of the aqua adducts of Ru(II) arene complexes, general formulae [(eta(6)-p-cymene)Ru (L1-3)Cl-2] where L-1 = 3-acetylpyridine (1), L-2 = 4-acetylpyridine (2) and L-3 = 2-amino-5-chloropyridine (3), then [(eta(6)-p-cymene)Ru(HL4)Cl-2] with HL4 = isonicotinic acid (4); [(eta(6)-p-cymene)Ru(HL5-8)Cl] where H2L5 = 2,3-pyridine dicarboxylic acid (5), H2L6 = 2,4-pyridine dicarboxylic acid (6), H2L7 = 2,5-pyridine dicarboxylic acid (7) and H2L8 = 2,6-pyridine dicarboxylic acid (8) have been studied. pK (a) values were determined by potentiometry at 25 A degrees C and constant ionic strength of 0.1 M NaNO3. The assumed equilibria were confirmed by UV and H-1-NMR spectroscopy.
Keywords:
Metal complexes / Ruthenium(II) / Arene ligands / Acid-base equilibria / Potentiometry
Source:
Journal of the Iranian Chemical Society, 2012, 9, 1, 7-12
Publisher:
  • Springer, New York
Projects:
  • Structure-properties relationships of natural and synthetic molecules and their metal complexes (RS-172017)

DOI: 10.1007/s13738-011-0001-3

ISSN: 1735-207X

WoS: 000300079700002

Scopus: 2-s2.0-84859154792
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URI
http://farfar.pharmacy.bg.ac.rs/handle/123456789/1723
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Institution
Pharmacy

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