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Interactions of purine derivatives with 1-naphthol and 1,5-naphthalenediol in aqueous solutions

Ľ. Mitterhauszerová, K. Kráľová, and Ľ. Krasnec

Scientific-Research Institute, Faculty of Pharmacy, Komenský University, 880 34 Bratislava


Abstract: The equilibrium constants of complexes of 7 purine derivatives with 1,5-naphthalenediol and of 5 purine derivatives with 1-naphthol were estab­lished in aqueous solutions at 20°C by using electron absorption spectrometry. The study of interactions has shown that the equilibrium constants of the complexes of the studied purines with 1,5-naphthol are generally higher than those of the complexes with 1-naphthalene and that the presence of further methyl and oxo groups, respectively, in the purine molecule results in significant increase of equilibrium constants of the formed complexes.

Full paper in Portable Document Format: 354a525.pdf


Chemical Papers 35 (4) 525–531 (1981)

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