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- Title
Pyridyl-substituted porphyrins: I. Synthesis and basicity of monopyridylporphyrins.
- Authors
Ivanova, Yu. B.; Semeikin, A. S.; Glazunov, A. V.; Mamardashvili, N. Zh.
- Abstract
13,17-Diethyl-2,3,7,8,12,18-hexamethyl-5-(pyridin-2-yl)porphyrin, 13,17-diethyl-2,3,7,8,12,18-hexamethyl-5-(pyridin-2-yl)porphyrin, and 13, 17-diethyl-2,3,7,8,12,18-hexamethyl-5-(pyridin-4-yl)porphyrin were synthesized, and their basic properties were studied by spectrophotometric titration in the system ethanol-sulfuric acid. Concentration ranges for the existence of mono- and dicationic forms of meso-pyridyl-substituted porphyrins and the corresponding ionization constants were determined.
- Subjects
PORPHYRINS; SPECTROPHOTOMETRY; VOLUMETRIC analysis; ALCOHOL; SULFURIC acid; IONIZATION constants
- Publication
Russian Journal of Organic Chemistry, 2010, Vol 46, Issue 1, p144
- ISSN
1070-4280
- Publication type
Article
- DOI
10.1134/S1070428010010161