Abstract
4,5-Diaminophthalonitrile was reacted with carboxylic acids and acetylacetone to synthesize 2-alkyl-5,6-dicyanobenzimidazoles and 2,2'-dimethyl-5,6-dicyanobenzodiazepine, respectively. The products were converted into copper(II) porphyrazines. An effect of the heterocyclic residue on the physicochemical and spectral properties of the porphyrazines was revealed.
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Balakirev, A.E., Kudrik, E.V. & Shaposhnikov, G.P. Synthesis and Properties of Copper(II) Tetra(2-alkyl-4,5-benzimidazolo)- and Tetra(2,2'-Dimethyl-4,5-benzodiazepino)porphyrazines. Russian Journal of General Chemistry 72, 1616–1619 (2002). https://doi.org/10.1023/A:1023343918982
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DOI: https://doi.org/10.1023/A:1023343918982