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ISSN 1998-9539

Synthesis, Physicochemical Characterization and Pyridine Binding to (2,3,7,8,12,18-Hexamethyl-13,17-diethyl-5-(2-pyridyl)- porphinato)cobalt(II)

Ekaterina N. Ovchenkova,a@ Nataliya G. Bichan,a Alexander S. Semeikin,b and Tatyana N. Lomovaa
Dedicated to Prof. Oleg A. Golubchikov on the occasion of his 70th Birthday
aG.A. Krestov Institute of Solution Chemistry of the Russian Academy of Sciences, 153045 Ivanovo, Russian Federation
bIvanovo State University of Chemistry and Technology, Research Institute of Macroheterocyclic Compounds, 153000 Ivanovo, Russian Federation
@Corresponding author E-mail: enk@isc-ras.ru
 
DOI: 10.6060/mhc170301o
Macroheterocycles 2018 11(1) 79-84
 

New (2,3,7,8,12,18-hexamethyl-13,17-diethyl-5-(2-pyridyl)porphinato)cobalt(II) (CoIIP) was obtained in the reaction of 2,3,7,8,12,18-hexamethyl-13,17-diethyl-5-(2-pyridyl)porphyrin with Co(AcO)2.4H2O in boiling DMF. This porphyrin complex was characterized by UV-Vis, IR, 1H NMR and mass spectra. Coordination of pyridine to CoIIP was studied by spectrophotometric titration. Cobalt(II) complex was found to react with pyridine forming 1:1 donor-acceptor complex in one-step reversible process. The obtained results are of interest for the creating of porphyrin-based donor-acceptor systems as components for photoactive materials. 

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