Synthesis and properties of 172-phenyl-5,10,15,20-tetraazatribenzo[b,g,l]pyrazino[2,3-q]porphyrin-173(174
H)-one |
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| Authors: | A S Malyasova E A Kokareva P A Tarakanov V V Aleksandriiskii O G Khelevina O I Koifman |
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| Institution: | 1. Research Institute of Chemistry of Macroheterocyclic Compounds, Ivanovo State University of Chemistry and Technology, pr. F. Engel’sa 7, Ivanovo, 153000, Russia
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| Abstract: | 172-Phenyl-5,10,15,20-tetraazatribenzob,g,l]pyrazino2,3-q]porphyrin-173(174 H)-one was synthesized for the first time by template cyclotetramerization of 5,7-diphenyl-6H-1,4-diazepine-2,3-dicarbonitrile with phthalonitrile. Its complexation with zinc(II) acetate followed a bimolecular mechanism. Acid-base properties of the resulting zinc complex in benzene-acetic acid were studied, and the stability constant of its monoprotonated (at the meso-nitrogen atom) form was determined. |
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