Севастополь, Севастополь, Россия
В работе исследована агрегативная способность комплексов Pt(II) на основании данных эксперимента титрованием 1H ЯМР и DOSY. Приведен вывод уравнений статистико-термодинамической модели, описывающей процесс агрегации. Рассчитаны количественные параметры самоассоциации металлокомплексов.
самоассоциация, спектроскопия ЯМР, диффузионно-упорядоченная спектроскопия (DOSY), циклометаллированные комплекcы Pt(II), число агрегации
1. Харламов С.В. [и др.] Современная диффузионно-упорядоченная спектроскопия ЯМР в химии супрамолекулярных систем: возможности и ограничения. Успехи химии, 2010, № 8, с. 699-716. [Harlamov S.V. Sovremennaya diffuzionno-uporyadochennaya spektroskopiya YAMR v himii supramolekulyarnyh sistem: vozmozhnosti i ogranicheniya. Uspekhi himii, 2010, no. 8, pp. 699-716. (In Russ.)]
2. Hayamizu K. [et al.] Molecular motions and ion diffusions of the room-temperature ionic liquid 1,2-dimethyl-3-propylimidazolium bis (trifluoromethylsulfonyl) amide (DMPImTFSA) studied by 1H, 13C and 19F NMR. J. Phys. Chem. A, 2008, vol. 112, pp. 12027-12036.
3. Hoffman R.E. [et al.]High-resolution NMR “chromatography” using a liquids spectrometer. J. Magn. Reson., 2008, vol. 194, pp. 295-299.
4. Carrara C. [et al.]Chromatographic NMR in NMR solvents. J. Magn. Reson., 2008, vol. 194, pp. 303-306.
5. Evans R. [et al.]Isomer resolution by micelle-assisted diffusion-ordered spectroscopy. Anal. Chem., 2009, vol. 81, pp. 4548-4550.
6. Marchione A.A. [et al.] Spectral separation of gaseous fluorocarbon mixtures and measurement of diffusion constants by 19F gas phase DOSY NMR. J. Magn. Reson., 2009, vol. 201, pp. 34-38.
7. Durand E. [et al.] 1H diffusion-ordered spectroscopy (DOSY) nuclear magnetic resonance (NMR) as a powerful tool for the analysis of hydrocarbon mixtures and asphaltenes. Energy Fuels, 2008, vol. 22, pp. 2604-2610.
8. Cohen Y. [et al.] Diffusion NMR spectroscopy in supramolecular and combinatorial chemistry: an old parameter-new insights. Angew. Chem., Int. Ed., 2005, vol. 44, pp. 520-524.
9. Cohen Y., Avram L., Evan T. [et al.] Diffusion NMR in Supramolecular Chemistry. In Analytical Methods in Supramolecular Chemistry, 2007, pp. 163-219.
10. Pastor A. [et al.] NMR spectroscopy in coordination supramolecular chemistry: A unique and powerful methodology. Coord. Chem. Rev., 2008, vol. 252, pp. 2314-2345.
11. Kozhevnikov V.N. [et al.] A versatile strategy for the synthesis of functionalized 2,2 '-bi- and 2,2 ': 6 ',2 ''-terpyridines via their 1,2,4-triazine analogues. J. Org. Chem., 2003, vol. 68, pp. 2882-2888.
12. Kozhevnikov V.N. [et al.] From 1,2,4-triazines towards substituted pyridines and their cyclometallated Pt complexes. Tetrahedron Lett., 2008, vol. 49, pp. 4096-4098.
13. Boger D.L. Diels-Alder reactions of heterocyclic aza dienes. Scope and applications. Chem. Rev., 1986, vol. 86, pp. 781-793.
14. Kozhevnikov V.N. [et al.] Mesomorphic 1,2,4-triazine-4-oxides in the synthesis of new heterocyclic liquid crystals. J. Mat. Chem., 2008, vol. 18, pp. 1703-1710.
15. Hernandez Santiago A.A. [et al.] Shape-independent model (SHIM) approach for studying aggregation by NMR diffusometry. J. Chem. Phys., 2015, vol. 142, Art. No. 104202.
16. Buchelnikov A.S. [et al.] General statistical-thermodynamical treatment of one-dimensional multicomponent molecular hetero-assembly in solution. Chem. Phys., 2013, vol. 421, pp. 77-83.
17. Scheraga H.A. [et al.] Theory of helix-coil transitions. Academic Press, 1970.