Cationic–anionic palladium complexes: effect of hydrogen bond character on their stability and biological activity
Abstract
The solution state of palladium cationic–anionic complexes (AmH n ) k [PdCl4] prepared for the first time, where Am is morpholine, methylmorpholine, aminoethylmorpholine, 5-aminovaleric acid, L-1-phenyl-2-methylaminopropanol, and m-xylilenediamine, has been studied by electronic absorption spectroscopy, NMR, and pH measurements. The agreement of obtained results for the state of the complexes in water and NaCl solutions with IR and X-ray diffraction data for these complexes has allowed us to substantiate the principle for designing patent formulation (C5H12NO)2[PdCl4], a new type of palladium complexes, palladium(II) cationic–anionic complexes showing high antitumor and antimetastatic activity. Crystallographic data for six obtained complexes have been presented.
Publisher URL: https://link.springer.com/article/10.1134/S0036023617110043
DOI: 10.1134/S0036023617110043
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