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Kazbanov V. I. Starkov A. K. Kozhukhovskaya G. A. Kazbanova T. K. Trofimov V. I. Pavlenko N. I. 《Russian Journal of Coordination Chemistry》2001,27(1):65-69
A comparison study of the bis(-oxalato)tetramminediplatinum(II) dimer [Pt2(NH3)4(-C2O4)2] and the oxalatodiammineplatinum(II) chelate [Pt(NH3)2C2O4] is performed. The kinetics and mechanism of substitution of C2O2–
4 for Cl– in aqueous chloride solutions are studied by photoelectronic spectroscopy, gravimetry, and chemical phase analysis within the 1.0–6.7 pH range at 75°C. The rate constants of substitution and the equilibrium constants for a two-step protonation for the dimeric and chelate complexes are calculated. Their solubility in 1 M KCl at 75°C; is determined. The unit cell parameters for [Pt2(NH3)4(-C2O4)2] are determined: a = 3.858 Å, b = 10.704 Å, c = 6.795 Å, = 94.35°. The IR spectra of [Pt(NH3)2C2O4], [Pt2(NH3)4(-C2O4)2], and their deuterated analogs are studied. 相似文献
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A. K. Starkov G. A. Kozhukhovskaya N. I. Pavlenko 《Russian Journal of Coordination Chemistry》2014,40(9):695-696
A reaction of cis-diamminedichloroplatinum(II) with the natural polysaccharide arabinogalactan gave a product characterized by X-ray powder diffraction, IR spectroscopy, UV spectrophotometry, and thermogravimetry. It was demonstrated that cis-diamminedichloroplatinum(II) is bound to arabinogalactan by a linkage between its -C-O-C- bond and the hydrogen atom of the NH3 group of the starting complex. The product can suppress tumor growth with no toxic effect on the organism. 相似文献
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V. M. Kozhukhovskaya N. N. Monapova N. L. Alarkon S. D. L'vova R. P. Evstigneeva 《Chemistry of Natural Compounds》1974,8(4):502-505
Summary The synthesis of an eicosapeptide corresponding to the sequence 74–93 of the polypeptide chain of cytochrome b5 isolated from the microsomes of calf thymus has been performed by the solid-phase method.M. V. Lomonosov Moscow Institute of Fine Chemical Technology. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 510–514, July–August, 1972. 相似文献
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S. D. L'vova V. M. Kozhukhovskaya M. N. Averin R. P. Evstigneeva 《Chemistry of Natural Compounds》1973,7(4):443-444
Summary The synthesis of the hydrobromide of the tetradecapeptide HBr·H-L-
-L-Pro-L-Asp-L-Asp-L-
-L-Ser-L-Lys-'L-Ile-L-Thr-L-Lys-L-Pro-L-Ser-L-Glu-L-Ser-OH corresponding to sequence 80–93 of cytochrome B5 isolated from the microsomes of calf thymus has been synthesized by the solid-phase method.M. V. Lomonosov Moscow Institute of Fine Chemical Technology. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 466–468, July–August, 1971. 相似文献
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V. M. Kozhukhovskaya S. D. L'vova R. P. Evstigneeva 《Chemistry of Natural Compounds》1973,6(5):612-615
Conclusions 1. The hydrobromide of N-tosyl-L-lysyl-L-phenylalanyl-L-leucyl-L-glutamyl-L-glutamyl-Nim-benzyl-L-histidyl-L-orolylglycylglycine, corresponding to sequence 26–34 of cytochrome B5, has been synthesized by the solid-phase method.2. The lability of the bond between proline and the amino acids adjacent to it under the conditions of the splitting off of the peptide from the resin has been shown.Lomonosov Moscow Institute of Fine Chemical Technology. Translated from Khimiya Prirodnykh Soedinenii, No. 5, pp. 599–602, September–October, 1970. 相似文献
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