Category: 1671-88-1

In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Tuning the Spin States of Two Apical Iron(II) Ions in the Trigonal-Bipyramidal [{FeII(μ-bpt)3}2FeII3(μ3-O)]2+ Cations Through the Choice of Anions, published in 2010, which mentions a compound: 1671-88-1, mainly applied to crystal structure iron bispyridinyltriazolato oxo bridged pentanuclear cluster; iron bispyridinyltriazolato oxo bridged pentanuclear cluster preparation spin state; counterion control iron bispyridinyltriazolato oxo bridged pentanuclear spin state, Name: 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine.

Pentanuclear [{FeII(μ-bpt)3}2FeII3(μ3-O)]2+ (Hbpt = 3,5-bis(2-pyridinyl)-1,2,4-triazole) complex salts were prepared with different counterions. The spin states of the apical Fe(2+) centers were tunable depending on the counterion. A [Fe2OCl6]2- counterion induced the high spin state in the pentanuclear cluster while SCN-/ClO4-/I- gave low spin states in the apical Fe centers. Crystal structures are reported for the 4 salts as solvates. The bpt- clusters were prepared from the 4-aminotriazole analog.

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The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine, is researched, Molecular C12H10N6, CAS is 1671-88-1, about Mono- and polynuclear complexes of Pt(II) with polypyridyl ligands, the main research direction is platinum complex pyridyl nitrogen heterocycle preparation antitumor activity.Related Products of 1671-88-1.

An array of poly- and mononuclear complexes of Pt(II) with polypyridyl ligands is reported. The framework complexes [(PtCl2)2(bpp)2(μ-PtCl2)](H2O)2 [bpp = 2,3-bis(2-pyridyl)pyrazine], [PtCl2(μ-tptz)PtClNCPh]Cl [tptz = 2,4,6-tris(2-pyridyl)-1,3,5-triazine], and mononuclear PtCl2(NH2dpt) [NH2dpt = 4-amino-3,5-bis(2-pyridyl)-1,2,4-triazole] were prepared and structurally characterized by IR and NMR spectroscopies. Both neutral and ionic complexes are present, with bifunctional and monofunctional Pt(II) moieties, whose size and shape enable them to behave as novel scaffolds for DNA binding. Pt(II) complexes were tested for their biol. activity. Cell viability assay and flow cytometric anal. demonstrated that these complexes, particularly [PtCl2(μ-tptz)PtClNCPh]Cl, were effective death inducers in human colon rectal carcinoma HT29 cells and their cytotoxic activity was higher than that exerted by cisplatin. Morphol. anal. of treated HT29 cells, performed by fluorescence microscopy after Hoechst 33258 staining, showed the appearance of the typical features of apoptosis. Also, results suggested that mitochondria are involved in apoptosis induced by Pt(II) complexes in HT29 cells as demonstrated by dissipation of mitochondrial transmembrane potential.

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Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Article, Photochemical & Photobiological Sciences called Synthesis and photophysical properties of pyridyl conjugated triazole appended naphthalenediimide derivatives, Author is Kumar, Girijesh; Guda, Ramu; Husain, Ahmad; Patra, Ranjan; Kirandeep; Kasula, Mamatha, which mentions a compound: 1671-88-1, SMILESS is NN1C(C2=NC=CC=C2)=NN=C1C3=NC=CC=C3, Molecular C12H10N6, Formula: C12H10N6.

A series of three substituted triazole appended naphthalenediimide (NDI)-derivatives, 2,7-bis(3,5-di(pyridin-X-yl)-4H-1,2,4-triazol-4-yl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraones (where X = 2, NDI-PyTz-1; 3, NDI-PyTz-2; and 4, NDI-PyTz-3), were designed, synthesized and well characterized using various anal. and spectroscopic techniques. All the three NDI-PyTz derivatives exhibited decent electronic properties as suggested by DFT, cyclic voltammetry and fluorescence studies. In particular, NDI-PyTz-1 demonstrated the generation of a stable anion radical [NDI-PyTz-1].-.

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Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Oriental Journal of Chemistry called Synthesis, spectroscopic, electrochemical and antibacterial activities of mono- and homobi-nuclear of Ru(II) complexes with a triazolate bridging ligand, Author is El-Gahami, Mohamed A.; Albishri, Hassan M., which mentions a compound: 1671-88-1, SMILESS is NN1C(C2=NC=CC=C2)=NN=C1C3=NC=CC=C3, Molecular C12H10N6, Electric Literature of C12H10N6.

Mono- and homodinuclear Ru(II) complexes were prepared by the reaction of [Ru(bipy)2Cl2]H2O with 4-amino-3,5-di(2-pyridyl)-4H-1,2,4-triazole (adapt); 4-(4-pyridyl)-3,5-di(2-pyridyl)-4H-1,2,4-triazole (Pydpt), and 4-(4-methylphenyl)-3,5-di(2-pyridyl)-4H-1,2,4-triazole (mpdpt). The products were characterized by elemental anal., IR, electronic and 1H NMR spectral however molar conductance and their redox chem. was studied using cyclic voltammetry. An octahedral structure was tentatively proposed for the new complexes. All the complexes exhibit reversible, metal-based oxidation processes and reversible, bipy-based reduction process in the potential window studied. The metal complexes are more active than the parent ligands and exhibit mild to moderate antibacterial activity.

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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, Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999) called Symmetrically and unsymmetrically 3,6-disubstituted 1,2-dihydro-1,2,4,5-tetrazines including their conversion into the corresponding tetrazines and 3,5-disubstituted 4-amino-1,2,4-triazoles, Author is Bowie, R. A.; Gardner, M. D.; Neilson, D. G.; Watson, K. M.; Mahmood, S.; Ridd, V., the main research direction is PMR dihydrotetrazine aminotriazole; tetrazine dihydrotetrazine oxidation; aminotriazole dihydrotetrazine rearrangement; triazole amino PMR.Recommanded Product: 1671-88-1.

3,6-Disubstituted 1,2-dihydro-1,2,4,5-tetrazines were prepared by the action of H2NNH2.H2O on nitriles in the presence of S or on amidinium chlorides; the dihydrotetrazines were oxidized to the corresponding tetrazines and rearranged by heat or acid to 3,5-disubstituted 4-amino-1,2,4-triazoles. 1,2-Dihydro-1,2,4,5-tetrazines and 4-amino-1,2,4-triazoles were distinguished by PMR spectroscopy.

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So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Nfor, Emmanuel N.; Asobo, Peter F.; Nenwa, Justin; Nfor, Oswald N.; Njapba, Julius N.; Njong, Romanus N.; Offiong, Offiong E. researched the compound: 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine( cas:1671-88-1 ).Synthetic Route of C12H10N6.They published the article 《Nickel (II) and iron (II) complexes with azole derivatives: synthesis, crystal structures and antifungal activities》 about this compound( cas:1671-88-1 ) in International Journal of Inorganic Chemistry. Keywords: preparation crystal structure nickel iron aminopyridyltriazole phenylpyrazoleylpyridine complex; antifungal activity nickel iron aminopyridyltriazole phenylpyrazoleylpyridine complex. We’ll tell you more about this compound (cas:1671-88-1).

Two new complexes of nickel(II) with 4-amino-3,5-bis(pyridyl)-1,2,4-triazole (abpt) and iron(II) with 2-(3-phenyl-1H-pyrazole-5-yl) pyridine (phpzpy) were synthesized and characterized by elemental anal. and IR spectroscopy. The prepared complexes are [Ni(abpt)2(OH2)2](ClO4)2 (1) and [Fe(phpzpy)2(NCS)2] (2). The crystal structures of the complexes were determined by single crystal x-ray diffraction techniques. In the nickel and iron complexes, the ligands are coordinated through nitrogen atoms in bidentate manner. The ligands and their resp. complexes were tested for their antifungal activity against Aspergillus niger, Aspergillus flavus and Candida albicans. The complexes showed enhanced activities against the tested organisms compared to the ligands.

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Chen, Jing; Shao, Chun-Fu; Bi, Yan; Yu, Wen-Jing published the article 《Hydrothermal Syntheses, Crystal Structures, and Fluorescent Properties of Zn(II) Coordination Complexes With 4-Amino-3,5-Bis(2-Pyridyl)-1,2,4-Triazole and Different Aromatic Dicarboxylic Acids》. Keywords: zinc aminopyridyltriazole aromatic dicarboxylate complex hydrothermal preparation crystal structure; luminescence zinc aminopyridyltriazole aromatic dicarboxylate complex.They researched the compound: 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine( cas:1671-88-1 ).Quality Control of 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:1671-88-1) here.

Three new Zn(II) supramol. complexes {[Zn(2-bpt)(tp)(H2O)](H2O)}∞ (1), [Zn(2-bpt)2(Hpa)2] (2), and [Zn(2-bpt)2(H2O)2](Hip-NO2)2 (3) were synthesized under hydrothermal conditions by using 4-amino-3,5-bis(2-pyridyl)-1,2,4-triazole (2-bpt) and Zn(OAc)2 with the presence of different aromatic dicarboxylic acids (H2tp = terephthalic acid, H2pa = phthalic acid, and H2i.p.-NO2 = 5-nitroisophthalic acid). Complex 1 shows a one-dimensional zigzag chain array, 2 represents a neutral mononuclear mol., and 3 consists of the cationic mononuclear coordination unit and Hip-NO2 anion. Notably, in complex 3, the H2i.p.-NO2 ligand is partly deprotonated to balance the charge and uncoordinated to the metal center. In all three structures, the low-dimensional coordination motifs are further extended to distinct two-dimensional or three-dimensional supramol. networks via H-bonding and/or π···π stacking interactions. Fluorescent properties for 1-3 also were studied in solid state at room temperature

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In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Synthesis, structure, spectral, redox properties and anti-cancer activity of Ruthenium(II) Arene complexes with substituted Triazole Ligands, published in 2021-12-01, which mentions a compound: 1671-88-1, mainly applied to cymene ruthenium pyridyltriazolylpyridine preparation crystal mol structure antitumor activity; arene ruthenium pyridyltriazolylpyridine complex preparation crystal mol structure antitumor, Recommanded Product: 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine.

Three versatile half-sandwich ruthenium(II) p-cymene complexes bearing substituted triazole ligands exhibit promising cancer cell growth inhibition activity towards A549 lung adenocarcinoma and MDA-MB-231 breast adenocarcinoma cells. In this context, the triazole based phthalimide protected new ligand (2-(3, 5-di(pyridin-2-yl)-4H-1,2,4-triazol-4-yl)isoindoline-1,3-dione) (L1) was prepared Three ruthenium(II) p-cymene complexes [Ru(η6-p-cymene)(L1)Cl]Cl: [1]Cl, L1: (2-(3,5-di(pyridin-2-yl)-4H-1,2,4-triazol-4-yl)isoindoline-1,3-dione), [Ru(η6-p-cymene)(L2)Cl]Cl: [2]Cl and [Ru(η6-p-cymene)(L2)Cl](PF6): [2](PF6), L2 (2,2′-(4-(1H-pyrrol-1-yl)-4H-1,2,4-triazole-3,5-diyl)dipyridine) have been successfully synthesized and characterized by different spectral and anal. tools. Pyrrole protected substituted ruthenium complexes [2]Cl and [2](PF6) have been successfully identified structurally by single-crystal x-ray diffraction studies and confirmed the successful anion exchange. The redox properties of the ligands and the targeted metal complexes have been carefully examined Cellular staining, live-cell imaging and MTT assay have been performed for all the complexes. Authors have demonstrated that their synthesized ruthenium(II) p-cymene complexes are capable of inducing significant cytotoxicity in A549 lung cancer cell lines, with an IC50 values of 6.56 ± 0.31μM, 4.74 ± 0.2μM and 13.67 ± 0.64μM and in MDA-MB-231 breast cancer cell lines with an IC50 values of 1.13 ± 0.046μM, 0.36 ± 0.016μM and 11.32 ± 0.49μM for [1]Cl, [2]Cl and [2](PF6) resp.

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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, Journal of Organometallic Chemistry called Synthesis and complexation properties of novel triazoyl-based ferrocenyl ligands, Author is Gasser, Gilles; Carr, Jonathan D.; Coles, Simon J.; Green, Stephen J.; Hursthouse, Michael B.; Cafferkey, Sean M.; Stoeckli-Evans, Helen; Tucker, James H. R., the main research direction is pyridinyl triazolyl ferrocene carbimine carbamide preparation crystal mol structure; copper silver zinc cadmium complexation pyridyl triazoyl ferrocenyl ligand; electrochem redox pyridyl triazoyl ferrocene carbimine carbamide metal complex.Formula: C12H10N6.

Two new ligand derivatives of ferrocene, namely N-4-[3,5-di-(2-pyridyl)-1,2,4-triazoyl]ferrocene carbimine (L1) and N-4-[3,5-di-(2-pyridyl)-1,2,4-triazoyl]ferrocene carbamide (L2), were synthesized in good yields by reacting the known compound 3,5-di-pyridine-2-yl-[1,2,4]triazol-4-ylamine (1) with ferrocenecarbaldehyde and chlorocarbonyl ferrocene, resp. The structures of L1 and L2 were determined by x-ray crystallog. The complexation of L1 and L2 with CuI, AgI, ZnII and CdII was studied by NMR and UV-vis spectroscopies, as well as by electrochem., with titrations used to determine metal:ligand stoichiometries. The cyclic voltammograms of L1 and L2 and their resp. complexes indicated reversible one-electron transfers corresponding to the Fc0/+ redox couple (Fc = ferrocene), with formal electrode potentials shifting to more pos. values upon metal complexation.

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The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine(SMILESS: NN1C(C2=NC=CC=C2)=NN=C1C3=NC=CC=C3,cas:1671-88-1) is researched.Reference of 1-Bromo-2-pentyne. The article 《Slow Magnetic Relaxation in Octahedral Cobalt(II) Field-Induced Single-Ion Magnet with Positive Axial and Large Rhombic Anisotropy》 in relation to this compound, is published in Inorganic Chemistry. Let’s take a look at the latest research on this compound (cas:1671-88-1).

Pseudooctahedral mononuclear cobalt(II) complex [Co(abpt)2(tcm)2] (1), where abpt = 4-amino-3,5-bis(2-pyridyl)-1,2,4-triazole and tcm = tricyanomethanide anion, shows field-induced slow relaxation of magnetization with U = 86.2 K and large axial and rhombic single-ion zero-field-splitting parameters, D = +48(2) cm-1 and E/D = 0.27(2) (D = +53.7 cm-1 and E/D = 0.29 from ab initio CASSCF/NEVPT2 calculations), thus presenting a new example of a field-induced single-ion magnet with transversal magnetic anisotropy.

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