Abstract
1H and 13C nmr studies on the Pd(II)Gly-His complex interaction with cytidine and GMP have shown that the nucleoside binds the palladium complex via N3 nitrogen and the nucleotide binds that complex via N7 nitrogen. The analysis of the Cyd or GMP aromatic ring influence on the chemical shift of the H2 proton or the C2 carbon of imidazole ring has supported the earlier suggestions that nucleoside or nucleotide base and Pd(II) complex plane are almost perpendicular to each other. The Pd(II)Gly-His: Cyd or GMP ternary systems are easily decomposed already in weak basic solutions, which may suggest that the polymerization of Pd(II)Gly-His binary species might be the competitive process in the interactions with nucleosides or nucleotides.
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