Synthesis and spectroscopic characterization of Ru(II) and Sn(IV)-porphyrins supramolecular complexes

•Ru(II) and Sn(IV)-porphyrins were synthesized.•2D DOSY NMR spectra for title compounds were studied.•The association constants were calculated. Synthesis and NMR studies of Ru(II) and Sn(IV) tetraphenylporphyrins supramolecular complexes were carried out. The diffusion coefficients of the complexes...

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Bibliographic Details
Published in:Journal of molecular structure 2015-02, Vol.1081, p.426-430
Main Authors: Khodov, I.A., Nikiforov, M.Yu, Alper, G.A., Mamardashvili, G.M., Mamardashvili, N.Zh, Koifman, O.I.
Format: Article
Language:English
Subjects:
Axial coordination
Binding
Diffusion coefficient
Intervals
Molecular structure
NMR spectroscopy
Organic substrate
Ru(II) porphyrins
Sn(IV) porphyrins
Solvents
Supramolecular complexes
Synthesis
Titration
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Summary:•Ru(II) and Sn(IV)-porphyrins were synthesized.•2D DOSY NMR spectra for title compounds were studied.•The association constants were calculated. Synthesis and NMR studies of Ru(II) and Sn(IV) tetraphenylporphyrins supramolecular complexes were carried out. The diffusion coefficients of the complexes, porphyrinates, and solvents were determined by DOSY NMR spectroscopy. By the method of spectrophotometric titration a binding ability of Ru(II) tetraphenylporphyrin towards 4-(imidazol-1-yl)-phenol was investigated, stability constant of resulting complexes and concentration intervals of their existence were defined.
ISSN:0022-2860
1872-8014
DOI:10.1016/j.molstruc.2014.10.070