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Gupta, Gajendra; Prasad, Kota Thirumala; Das, Babulal; Rao, Kollipara Mohan published an article about the compound: 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine( cas:1671-88-1,SMILESS:NN1C(C2=NC=CC=C2)=NN=C1C3=NC=CC=C3 ).Application In Synthesis of 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:1671-88-1) through the article.

A quite general approach for the preparation of η5-and η6-cyclic hydrocarbon platinum group metal complexes is reported. The dinuclear arene ruthenium complexes [(η6-arene)Ru(μ-Cl)Cl]2 (arene = C6H6, C10H14 and C6Me6) and η5-pentamethylcyclopentadienyl rhodium and iridium complexes [(η6-C5Me5)M(μ-Cl)Cl]2 (M = Rh, Ir) react with 2 equivalent of 4-amino-3,5-di-pyridyltriazole (dpt-NH2) in presence of NH4PF6 to afford the corresponding mononuclear complexes of the type [(η6-arene)Ru(dpt-NH2)Cl]PF6 {arene = C10H14 (1), C6H6 (2) and C6Me6 (3)} and [(η6-C5Me5)M(dpt-NH2)Cl]PF6 {M = Rh (4), Ir (5)}. However, the mononuclear η5-cyclopentadienyl analogs such as [(η5-C5H5)Ru(PPh3)2Cl], [(η5-C5H5)Os(PPh3)2Br], [(η5-C5Me5)Ru(PPh3)2Cl] and [(η5-C9H7)Ru(PPh3)2Cl] complexes react in presence of 1 equivalent of dpt-NH2 and 1 equivalent of NH4PF6 in methanol yielded mononuclear complexes [(η5-C5H5)Ru(PPh3)(dpt-NH2)]PF6 (6), [(η5-C5H5)Os(PPh3)(dpt-NH2)]PF6 (7), [(η5-C5Me5)Ru(PPh3)(dpt-NH2)]PF6 (8) and [(η5-C9H7)Ru(PPh3)(dpt-NH2)]PF6 (9), resp. These compounds have been totally characterized by IR, NMR and mass spectrometry. The mol. structures of 4 and 6 have been established by single crystal x-ray diffraction and some of the representative complexes have also been studied by UV-Vis spectroscopy.

I hope my short article helps more people learn about this compound(3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine)Application In Synthesis of 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine. Apart from the compound(1671-88-1), you can read my other articles to know other related compounds.

Reference:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem