Category: 1671-88-1

Synthetic Route of C12H10N6. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine, is researched, Molecular C12H10N6, CAS is 1671-88-1, about Inhibition effect of 3,5 bis (2-pyridil) 4-amino 1,2,4 triazole and 1-10 phenantrolin on corrosion of mild steel in acid solutions. Author is Arshadi, M. R.; Hosseini, M. G.; Ghorbani, M..

The inhibition effects of 3,5 bis (2-pyridil) 4-amino 1,2,4 triazole (NBTA) and 1-10 phenantrolin (PHEN), on corrosion of mild steel in acid solutions, (sulfuric acid and hydrochloric acid) were studied. The Tafel polarization and ac impedance techniques were employed. Results obtained reveal that both compounds are relatively good inhibitors. The inhibition efficiencies of NBTA are higher in hydrochloric acid than in sulfuric acid. This was attributed to the synergistic effect of chloride ions present in hydrochloric acid. The mechanism of inhibition of PHEN is believed to be owing to the formation of insoluble chelates between the organic mols. and atom/ion on the metal surface. The adsorption of NBTA is believed to occur through the formation of an iron-nitrogen coordinate bond. The adsorption isotherms were also determined and of the Langmuir type.

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In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Light- and Thermal-Induced Spin Crossover in {Fe(abpt)2[N(CN)2]2}. Synthesis, Structure, Magnetic Properties, and High-Spin Low-Spin Relaxation Studies, published in 2001-07-30, which mentions a compound: 1671-88-1, Name is 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine, Molecular C12H10N6, Computed Properties of C12H10N6.

{Fe(abpt)2[N(CN)2]2} (abpt = 4-amino-3,5-bis(pyridin-2-yl)-1,2,4-triazole) represents the 1st example of an Fe(II) spin-crossover compound containing dicyanamide ligand, [N(CN)2]-, as a counterion. It shows an incomplete two-step spin transition with around 37% of HS mols. trapped in the low-temperature region when standard cooling or warming modes, i.e., 1-2 K min-1, were used. The temperature, T1/2 ≈ 86 K, at which 50% of the conversion takes place, is one of the lowest temperatures observed for an Fe(II) spin-crossover compound Quenching experiments at low temperatures showed that the incomplete character of the conversion is a consequence of slow kinetics. The quenched HS state relaxes back to the LS state displaying noticeable deviation from a single-exponential law. The rate of relaxation was evaluated in the range of temperatures 10-60 K. In the upper limit of temperatures, where thermal activation predominates, the activation energy and the pre-exponential parameter were estimated as Ea ≈ 280 cm-1 and AHL ≈ 10 s-1, resp. The lowest value of kHL around 1.2 × 10-4 s-1 (T = 10 K) was obtained in the region of temperatures where tunneling predominates. A quant. light induced excited spin state trapping (LIESST) effect was observed, and the HS → LS relaxation in the range of temperatures 5-52.5 K was studied. From the Arrhenius plot the two above-mentioned characteristic regimes, thermal-activated (Ea ≈ 431 cm-1 and AHL ≈ 144 s-1) and tunneling (kHL ≈ 1.7 × 10-6 s-1 at 5 K), were characterized. The crystal structure was solved at room temperature It crystallizes in the triclinic P1̅ space group, and the unit cell contains a centrosym. mononuclear unit. Each Fe atom is in a distorted octahedral environment with bond distances Fe-N(1) = 2.216(2) Å, Fe-N(2) = 2.121(2) Å, and Fe-N(3) = 2.160(2) Å for the pyridine, triazole, and dicyanamide ligands, resp.

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Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 1671-88-1, is researched, Molecular C12H10N6, about Synthesis, characterization, DNA/protein interaction and cytotoxicity studies of Cu(II) and Co(II) complexes derived from dipyridyl triazole ligands, the main research direction is cobalt copper dipyridyltriazole complex preparation structure anticancer DNA binding; crystal structure cobalt copper dipyridyltriazole complex; BSA; Cytotoxic activity; DNA; Dipyridyl triazole ligands.Application In Synthesis of 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine.

Four different transition metal complexes containing dipyridyltriazole ligands, [Cu(abpt)2Cl2]·2H2O (1; abpt = 4-amino-3,5-bis(pyridin-2-yl)-1,2,4-triazole), [Cu(abpt)2(ClO4)2] (2), [Co2(abpt)2(H2O)2Cl2]Cl2·4H2O (3) and [Co2(bpt)2(CH3OH)2(NO3)2] (4; Hbpt = 3,5-bis(pyridin-2-yl)-1,2,4-triazole) were designed, synthesized and further structurally characterized by x-ray crystallog., ESI-MS, elemental anal., IR and Raman spectroscopy. In these complexes, the both ligands act as bidentate ligands with N, N donors. DNA binding interactions with calf thymus DNA (ct-DNA) of the ligand and its complexes 1-4 were investigated via electronic absorption, fluorescence quenching, CD and viscosity measurements as well as confocal Laser Raman spectroscopy. The results show these complexes are able to bind to DNA via the noncovalent mode i.e. intercalation and groove binding or electrostatic interactions. The interactions with bovine serum albumin (BSA) were also studied using UV-visible and fluorescence spectroscopic methods which indicated that fluorescence quenching of BSA by these compounds was the presence of both static and dynamic quenching. Also, the in vitro cytotoxic effects of the complexes against four cell lines SK-OV-3, HL-7702, BEL7404 and NCI-H460 showed the necessity of the coordination action on the biol. properties on the resp. complex and that all four complexes exhibited substantial cytotoxic activity.

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Safety of 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine, is researched, Molecular C12H10N6, CAS is 1671-88-1, about Hydroxylation of azomethine carbon: isolation of complexes of η5 and η6-cyclic hydrocarbon platinum group metals with a new Schiff-base ligand. Author is Gloria, Sairem; Gupta, Gajendra; Rao Anna, Venkateswara; Das, Babulal; Rao, Kollipara Mohan.

A new Schiff base, (pyridin-2-yl)-N-(3,5-di(pyridin-2-yl)-4H-1,2,4-triazol-4-yl)methanimine, (L), was synthesized. Reaction of [(η6-arene)Ru(μ-Cl)Cl]2 and [Cp*M(μ-Cl)Cl]2 (M = Rh and Ir) with one equivalent of L in the presence of NH4PF6 in methanol yielded dinuclear complexes, [(η6-arene)2Ru2(L-OH)Cl](PF6)2 {arene = C6H6 (1), p-iPrC6H4Me (p-cymene) (2) and C6Me6 (3)}, and [Cp*2M2(L-OH)Cl](PF6)2 [M = Rh (4) and Ir (5)], resp., leading to the formation of five new chiral complexes with -OH on the azomethine carbon. L is a pentadentate ligand where one of the metal centers is coordinated to two nitrogen atoms in a bidentate chelating fashion while the other metal is bonded tridentate to three nitrogen atoms. Although the ligand is neutral before coordination, after complexation it is anionic (uni-neg.) with neg. charge on the azo nitrogen {see the structures: N(5) in 2[PF6]2 and N(3) for 4[PF6]2}. The complexes have been characterized by various spectroscopic methods including IR and 1H NMR and the mol. structures of the representative complexes are established by single-crystal x-ray diffraction studies.

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Dupouy, Gaelle; Marchivie, Mathieu; Triki, Smail; Sala-Pala, Jean; Gomez-Garcia, Carlos J.; Pillet, Sebastien; Lecomte, Claude; Letard, Jean-Francois 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 ).Computed Properties of C12H10N6. 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 new polymeric approach, based on cyanocarbanion ligands, for the design of spin crossover (SCO) compounds led the authors to [Fe(abpt)2(tcpd)] (1) (tcpd2- = (C[C(CN)2]3)2-, abpt = 4-amino-3,5-bis(pyridin-2-yl)-1,2,4-triazole) which was characterized by crystal structure as the 1st SCO mol. chain involving a cyanocarbanion as bridging ligand.

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Safety of 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine, is researched, Molecular C12H10N6, CAS is 1671-88-1, about A simple one-step synthesis of new 3,5-disubstituted 4-amino-1,2,4-triazoles. Author is Bentiss, Fouad; Lagrenee, Michel; Traisnel, Michel; Mernari, Bouchaib; Elattari, Hassan.

Sym. 3,5-disubstituted 4-amino-1,2,4-triazoles have been prepared by reaction of aromatic nitriles with hydrazine dihydrochloride or sulfate with an excess of hydrazine hydrate in ethylene or diethylene glycol under a nitrogen atm. The structures of the new triazoles were confirmed by anal. and spectral data.

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Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 1671-88-1, is researched, SMILESS is NN1C(C2=NC=CC=C2)=NN=C1C3=NC=CC=C3, Molecular C12H10N6Journal, Transition Metal Chemistry (Dordrecht, Netherlands) called Mononuclear complexes of manganese(II), iron(II), cobalt(II), nickel(II), copper(II), and zinc(II), with 4-amino-3,5-bis(pyridin-2-yl)-1,2,4-triazole and tris(2-aminoethyl)amine: crystal structure of [Ni(tren)(abpt)](NO3)2(H2O)2.25, Author is Shakir, Mohammad; Parveen, Shama; Begum, Nishat; Chingsubam, Poonam, the main research direction is transition metal pyridinyl aminotriazole trisaminoethylamine complex preparation structure; nickel pyridinyl aminotriazole trisaminoethylamine complex preparation structure; crystal structure nickel pyridinyl aminotriazole trisaminoethylamine complex.Computed Properties of C12H10N6.

[M(tren)(abpt)](NO3)2(H2O)n [M = MnII, FeII, CoII, CuII, ZnII (n = 2), NiII (n = 2.25), tren = tris(2-aminoethyl)amine, and abpt = 4-amino-3,5-bis(pyridin-2-yl)-1,2,4-triazole] were prepared The bonding mode and overall geometry of the complexes were deduced by elemental analyses, molar conductance values, spectral studies (obtained from FTIR), 1H-NMR, electronic spectral analyses and magnetic susceptibility measurements. A detailed mol. structure of the nickel complex was determined by single x-ray crystallog.

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Recommanded Product: 1671-88-1. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine, is researched, Molecular C12H10N6, CAS is 1671-88-1, about Bis(4-amino-3,5-di-2-pyridyl-4H-1,2,4-triazole)diaquanickel(II) bis(perchlorate). Author is Shao, Chun-Fu; Geng, Li-Chuan.

In the mol. structure of the centrosym. mononuclear complex [Ni(2-bpt)2(H2O)2](ClO4)2 [2-bpt = 4-amino-3,5-di-2-pyridyl-1,2,4-triazole, (C12H10N6)], the central NiII atom is six-coordinated by a pair of chelating 2-bpt ligands and two water mols. Intermol. O-H…N interactions link the monomeric units into a two-dimensional hydrogen-bonded (4,4) network, which is extended to a three-dimensional supramol. aggregate via π…π stacking interactions [centroid-centroid distances 3.809 (3) and 3.499 (3) Å]. Crystallog. data are given.

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Electric Literature of C12H10N6. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine, is researched, Molecular C12H10N6, CAS is 1671-88-1, about Fluorescence modulation via photoinduced spin crossover switched energy transfer from fluorophores to FeII ions. Author is Wang, Jun-Li; Liu, Qiang; Meng, Yin-Shan; Liu, Xin; Zheng, Hui; Shi, Quan; Duan, Chun-Ying; Liu, Tao.

Mol. materials possessing phototunable fluorescence properties have attracted great interest owing to their potential applications in optical switches and storage. However, most fluorescence modulation is realized through light-responsive structural isomerization in solution It is a formidable challenge to achieve phototunable fluorescence emission with high fatigue resistance and a fast response rate in the solid state for the development of devices. Here, a mononuclear compound was constructed via the coordination of fluorophores with FeII ions, whose electronic configuration changed from low spin to high spin upon light irradiation The photoinduced spin crossover of FeII ions was accompanied by a 20% increase in the fluorescence emission intensity. A temperature-dependent spectroscopic study together with time-dependent d. functional theory calculations revealed that the effective spectral overlap between the emission of the fluorophores and the absorption band of the FeII ions differed between the low spin and high spin states. The photoinduced spin crossover switched the energy transfer from the fluorophore to the FeII ion, resulting in fluorescence modulation. The presented results provide a novel approach for developing optical memory and sensors via electron rearrangement of photoinduced spin crossover.

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In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Hydrothermal synthesis and crystal structure of 2D K2[Co3(OH)2(SO4)3(H2O)2] coordination polymer with the in-situ formation of SO42-, published in 2007-12-10, which mentions a compound: 1671-88-1, Name is 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine, Molecular C12H10N6, Related Products of 1671-88-1.

Reaction of CoCl2·6H2O, 4-amino-3,5-di(2-pyridyl)-4H-1,2,4-triazole (abpt), KSCN gave two new complexes, 0-dimensional mononuclear complex named [Co(abpt)2(NCS)2] (1α) and 2-dimensional inorganic coordination framework K2[Co3(OH)2(SO4)3(H2O)2] (1β), in the same hydrothermal reaction system and were characterized by elemental anal. and IR. X-ray diffraction crystal structure anal. shows that 1α crystallizes in monoclinic system, space group P21/c with a 1.07391(11), b 1.58959(16), c 1.74041(18) nm, β 106.720(2)°, Z = 4; and 1β crystallizes in orthorhombic system, space group Cmc21 with a 1.79424(17), b = 0.755 83(7) nm, c 0.976 05(10) nm, V = 1.323 7(2) nm3, Z = 4. In complex 1α, both abpt and SCN- ligands are coordinated to Co (II) to form two different mononuclear units and further generate a 3-dimensional supramol. architecture by the hydrogen bonds between the S atoms and uncoordinated N atoms of the abpt ligand. While in 1β, the abpt ligand is uncoordinated and the SCN- anion is changed to SO42- anion coordinated to Co(II) atoms to result in a 2-dimensional coordination layer. Adjacent layers are linked to each other by hydrogen bonds to generate a 3-dimensional porous supramol. architecture with 1-dimensional channels running along the c-axis, which are occupied by the counter K+ ions.

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