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Browsing by Author "Koifman O."

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Aza-substitution, benzo-annulation effects and catalytic activity of β-octaphenyl-substituted tetrapyrrolic macroheterocyclic cobalt complexes. I. heterogeneous catalysis

Vashurin A.; Maizlish V.; Kuzmin I.; Petrov O.; Razumov M.; Pukhovskaya S.; Golubchikov O.; Koifman O. (2017)

© 2016, Springer Science+Business Media Dordrecht.The influence of the size of conjugated π-system on catalytic activity of cobalt complex with β-octaphenylporphyrin and its tetraaza-, tetrabenzo and tetrabenzotetraaza ...
Encapsulation of vitamin B<inf>12</inf> into nanoengineered capsules and soft matter nanosystems for targeted delivery

Maiorova L.; Erokhina S.; Pisani M.; Barucca G.; Marcaccio M.; Koifman O.; Salnikov D.; Gromova O.; Astolfi P.; Ricci V.; Erokhin V. (2019)

© 2019 Elsevier B.V. Targeted delivery of vitamins to a desirable area is an active branch in a modern pharmacology. The most important and difficult delivery of vitamin B12 is that to bone marrow and nerve cells. Herein ...
Interaction between creatinine and sulfonated derivatives of cobalt phthalocyanine

Vashurin A.; Voronina-Chernova A.; Maizlish V.; Koifman O. (2017)

© 2017Sulfonated derivatives of cobalt phthalocyanine strongly fix the creatinine (2-amino-1-methyl-1H-imidazol-4-ol) thus forming ordered dimeric structures. Such bonding may be used to create materials for sorption of ...
Medium viscosity effect on fluorescent properties of Sn(IV)-tetra(4-sulfonatophenyl)porphyrin complexes in buffer solutions

Mamardashvili G.; Maltceva O.; Lazovskiy D.; Khodov I.; Borovkov V.; Mamardashvili N.; Koifman O. (2019)

© 2019 Elsevier B.V. Supramolecular triads consisting of hydrophilic Sn(IV)-tetra(4-sulfophenyl)-porphyrin and two axial guests such as propylphenol, tyrosine, and 2-(2-hydroxyphenyl)-benzoxazole were synthesized. The ...
N-Confused porphyrins: Complexation and<sup>1</sup>H NMR studies

Khodov I.; Maltceva O.; Klochkov V.; Koifman O.; Mamardashvili N. (2017)

© 2017 The Royal Society of Chemistry and the Centre National de la Recherche Scientifique. The complexation of 2-aza-21-carba-tetraphenylporphyrin and 2-aza-2-methyl-5,10,15,20-tetraphenyl-21-carbaporphyrin with nickel ...
Novel Co(II) phthalocyanines of extended periphery and their water-soluble derivatives. Synthesis, spectral properties and catalytic activity

Filippova A.; Vashurin A.; Znoyko S.; Kuzmin I.; Razumov M.; Chernova A.; Shaposhnikov G.; Koifman O. (2017)

© 2017 Elsevier B.V. Novel complexes of cobalt and copper with substituted phthalocyanines were synthesized and characterized. Their water-soluble derivatives were obtained by sulfonation under mild conditions and structurally ...
Symmetrical and difunctional substituted cobalt phthalocyanines with benzoic acids fragments: Synthesis and catalytic activity

Vashurin A.; Maizlish V.; Kuzmin I.; Znoyko S.; Morozova A.; Razumov M.; Koifman O. (2017)

© 2017 World Scientific Publishing Company.Difunctional and symmetric phthalonitriles were synthesized by nucleophilic substitution of brome and nitro-group in 4-bromo-5-nitro-phthalonitrile for residues 4-amino-, 4-hydroxyl- ...
Symmetrical and difunctional substituted cobalt phthalocyanines with benzoic acids fragments: Synthesis and catalytic activity

Vashurin A.; Maizlish V.; Kuzmin I.; Znoyko S.; Morozova A.; Razumov M.; Koifman O. (2017)

© 2017 World Scientific Publishing Company Difunctional and symmetric phthalonitriles were synthesized by nucleophilic substitution of brome and nitro-group in 4-bromo-5-nitro-phthalonitrile for residues 4-amino-, 4-hydroxyl- ...
Synthesis and spectroscopic characterization of Ru(II) and Sn(IV)-porphyrins supramolecular complexes

Khodov I.; Nikiforov M.; Alper G.; Mamardashvili G.; Mamardashvili N.; Koifman O. (2015)

Copyright © 2014 Published by Elsevier B.V. All rights reserved. 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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Browsing by Author "Koifman O."

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