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Thianaphthene-Annulated Tetrapyrazinoporphyrazines

Ekaterina S. Taraymovich,a@ Yulia Yu. Enakieva,b Yulia V. Mitasova,a and Pavel A. Stuzhina@


aIvanovo State University of Chemistry and Technology, Ivanovo, 153000, Russia

bFrumkin Institute of Physical Chemistry and Elecrochemistry RAS, Moscow, 119991, Russia


@Corresponding authors E-mail:,


DOI: 10.6060/mhc2010.1.48

Macroheterocycles 2010 3(1) 48-50


Tetrapyrazinoporphyrazine with fused thianaphthene fragments, i.e. tetra(benzo[4’,5’]thieno[2’,3’:5,6]pyrazino[2,3-b,g,l,q]porphyrazine, [H2TSNpPyzPA], and its tetra-tert-butyl-substituted derivative, [H2TSNpPyzPAtBu4], having enhanced solubility in organic solvents, have been prepared by cyclotetramerization in a melt of corresponding benzo[4,5]thieno[2,3-b]pyrazine-2,3-dicarbonitriles obtained by condensation of diaminomaleodinitrile with 2,3-thianaphthenquinones [2,3-dihydrobenzo[b]thiophene-2,3-diones] easily available by acylation of thiophenols with oxalylchloride.


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