Synthesis, crystal structure and electroluminescent properties of fac-bromotricarbonyl ([1,2,5]oxadiazolo[3',4':5,6]pyrazino- [2,3-f][1,10]phenanthroline) rhenium (I)

Taydakov, Ilya V.; Vashchenko, Andrey A.; Lyssenko, Konstantin А.; Konstantinova, Lidia S.; Knyazeva, Ekaterina A.; Obruchnikova, Natalia V.

doi:10.24820/ark.5550190.p010.130

Cited by 8 publications

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“…1,10-Phenanthroline-5,6-dione (phendione) 11 and 3,4-diaminofurazan (DAF) 12 were refluxed in acetic acid (AcOH) for 2 h to give dipyrido 13 by the classical condensation of an orthoquinone and ortho-diamine (Scheme 1). In the next step, dipyrido[3,2-f:2¤,3¤-h]quinoxaline-2,3-diamine (DPQDA) was obtained as a precursor of TPy-TANC by the hydrogenation of DPOZQ using palladium on activated carbon (Pd/C) as a catalyst.…”

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Synthesis of Pyridine-fused 5,6,11,12-Tetraazanaphthacene as a Bis-bidentate Ligand and Electrochemistry of a Ruthenium(II) Dinuclear Complex

et al. 2020

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synthesized. TPy-TANC is a pyridine-fused tetraazanaphthacene which has the potential to behave as an n-type semiconductor. TPy-TANC was determined to have a monoclinic P2 1 /n space group by single-crystal X-ray diffraction analysis. The cyclic voltammogram of [(bpy) 2 Ru II (TPy-TANC)Ru II (bpy) 2 ]-(PF 6) 4 (bpy = 2,2¤-bipyridine) showed a reversible four-step/ six-electron transfer in the reduction at ¹0.553 (1e ¹ , TPy-TANC), ¹1.15 (1e ¹ , TPy-TANC), ¹1.81 (2e ¹ , bpy), and ¹2.02 V (2e ¹ , bpy) (vs. Fc/Fc +).

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“…Enomoto noxaline (DPTZQ) 13,14 instead of DPOZQ by reductive desulfurization. 1518 However, DPTZQ was quite insoluble in almost all common organic solvents.…”

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