Category: 1671-88-1

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 Tuning of the Critical Temperature in Iron(II) Spin-Crossover Materials Based on Bridging Polycyanidometallates: Pentacyanidonitrosylferrate(II) and Hexacyanidoplatinate(IV), the main research direction is coordination polymer iron transition metal aminobispyridinyltriazole cyanido complex preparation; crystal structure coordination polymer iron platinum aminobispyridinyltriazole cyanido complex; magnetic property coordination polymer iron transition metal aminobispyridinyltriazole cyanido; Mossbauer effect coordination polymer iron platinum aminobispyridinyltriazole cyanido complex.Category: isoquinoline.

The reactions of iron(II) sulfate, 4-amino-3,5-di-2-pyridyl-4H-1,2,4-triazole (abpt), and pentacyanidonitrosylferrate(II) or hexacyanidoplatinate(IV) gave one-dimensional iron(II) spin-crossover compounds [Fe(abpt)2(μ-Fe(CN)5(NO))]n (1) and [Fe(abpt)2(μ-Pt(CN)6)]n (2) with the spin-transition critical temperature near or above room temperature accompanied by thermochromism. Furthermore, the critical temperature Tc is influenced by the type of dianionic polycyanidometalate within the series of discussed systems, and it changes in the sequence of [Fe(CN)5(NO)]2- < [Pt((CN)6)]2- < [Ni((CN)4)]2- ≈ [Pd((CN)4)]2- ≈ [Pt((CN)4)]2-. There is still a lot of research devoted to this compound(SMILES：NN1C(C2=NC=CC=C2)=NN=C1C3=NC=CC=C3)Category: isoquinoline, and with the development of science, more effects of this compound(1671-88-1) can be discovered.

Reference:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

White, Nicholas G.; Brooker, Sally 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.

The reaction of some first-row transition metal acetate salts with 4-amino-3,5-di(2-pyridyl)-1,2,4-triazole (adpt) gives crystals of interesting octa, tetra, di- and mononuclear metal complexes with a range of metal-ligand binding modes observed Specifically, an octanuclear iron complex [Fe8(adpt-H)2(OAc)11(O)4(OH)2] was formed, with each deprotonated amine group bridging two iron centers; two different nickel acetate complexes [Ni2(adpt)(adpt-H)(OAc)3(H2O)] and [Ni(adpt)2(OAc)2] co-crystallized in a 2:1 ratio, containing both adpt and adpt-H ligands and exhibiting several different ligand binding modes, whereas reaction of zinc acetate with adpt gave a tetranuclear complex [Zn4(adpt)2(OAc)6(OH)2] with the ligand remaining neutral.

There is still a lot of research devoted to this compound(SMILES：NN1C(C2=NC=CC=C2)=NN=C1C3=NC=CC=C3)Computed Properties of C12H10N6, and with the development of science, more effects of this compound(1671-88-1) can be discovered.

Reference:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine, is researched, Molecular C12H10N6, CAS is 1671-88-1, about Two mixed-ligand Cd(II)-organic frameworks with unique topologies: selective luminescence sensing of TNP and Cu2+ ions with recyclable performances.SDS of cas: 1671-88-1.

Two novel luminescent Cd(II)-organic frameworks, [Cd2(2-abpt)(Hbtca)(H2btca)0.5(H2O)]n (1) and {[Cd3(2-abpt)(btca)1.5]·H2O}n (2) (2-abpt = 3,5-di(2 -pyridyl)-4-amino-1,2,4-triazole, H4btca = 1,2,4,5-benzenetetracarboxylic acid), were hydrothermally synthesized from a rigid aromatic carboxylate ligand and a pyridine ligand containing free amino groups. 1 Exhibits a novel (4,4,5,5)-c 2-dimensional layer architecture with 1-dimensional pipe-like chains. 2 Shows a 3-dimensional framework with unprecedented (4,4,4,6,7)-c topol. Their structural differences mainly stem from the various coordination modes of the rigid aromatic carboxylate ligand. Luminescence sensing experiments show that 1 can highly sensitively and selectively detect TNP in DMF and H2O. Also, test paper was developed to detect TNP as a convenient and practical approach. 1 Shows highly sensitive and selective sensing of Cu2+. The possible detection mechanisms of 1 towards TNP and Cu2+ are discussed. Probably 1 should be a potential sensor for TNP and Cu2+.

There is still a lot of research devoted to this compound(SMILES：NN1C(C2=NC=CC=C2)=NN=C1C3=NC=CC=C3)SDS of cas: 1671-88-1, and with the development of science, more effects of this compound(1671-88-1) can be discovered.

Reference:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Mason, Helen E.; Li, Wei; Carpenter, Michael A.; Hamilton, Michelle L.; Howard, Judith A. K.; Sparkes, Hazel A. published the article 《Structural and spectroscopic characterisation of the spin crossover in [Fe(abpt)2(NCS)2] polymorph A》. Keywords: iron pyridinyltriazole isocyanato complex preparation structure spin crossover; crystal structure iron pyridinyltriazole isocyanato complex.They researched the compound: 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine( cas:1671-88-1 ).Category: isoquinoline. 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.

A crystallog. and solid state spectroscopic study of the spin crossover behavior of [Fe(abpt)2(NCS)2] (abpt = 4-amino-3,5-bis(pyridin-2-yl)-1,2,4-triazole) polymorph A is reported. Structural features including crystallog. cell parameters, bond lengths and distortion parameters were monitored between 375 K and 30 K and crystal structures are reported at seven temperatures across the spin transition. The light induced excited spin state trapping (LIESST) metastable high spin structure, HS*, is reported at 30 K by continuous irradiation with a 670. nm, 5 mW continuous-wave laser during the data collection. Relaxation of the HS* state at 30 K with the laser switched off occurs within ∼4000 s in accordance with the literature. High pressure single crystal datasets are also reported to examine the effect of pressure on the spin transition. Single crystal variable temperature UV-visible spectroscopy and resonant ultrasound spectroscopy support the crystallog. evidence relating to the spin crossover transition presented herein. Strain anal. of the lattice parameters yields the temperature dependence of the spin order parameter, indicating strong spin-lattice coupling to give a volume strain of up to ∼4% and a shear strain of up to ∼1.5%. These, in turn, are responsible for changes in elastic constants by up to ∼35%.

There is still a lot of research devoted to this compound(SMILES：NN1C(C2=NC=CC=C2)=NN=C1C3=NC=CC=C3)Category: isoquinoline, and with the development of science, more effects of this compound(1671-88-1) can be discovered.

Reference:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Ramos Silva, Manuela; Silva, Joana A.; Martins, Nuno D.; Matos Beja, Ana; Sobral, Abilio J. F. N. published the article 《4-Amino-3,5-di-2-pyridyl-4H-1,2,4-triazole》. Keywords: amino dipyridyl triazole crystal structure; mol structure aminodipyridyl triazole; hydrogen bond aminodipyridyltriazole.They researched the compound: 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine( cas:1671-88-1 ).Computed Properties of C12H10N6. 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.

In the crystal structure of the title compound, C12H10N6, the mols. deviate slightly from planarity. The plane of the central triazole ring makes angles of 6.13 (9) and 3.28 (10)° with the pyridyl ring planes. Intramol. N-H…N interactions form six-membered closed rings. The crystal packing also shows weak C-H…π and C-H…N interactions. Crystallog. data are given.

There is still a lot of research devoted to this compound(SMILES：NN1C(C2=NC=CC=C2)=NN=C1C3=NC=CC=C3)Computed Properties of C12H10N6, and with the development of science, more effects of this compound(1671-88-1) can be discovered.

Reference:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

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, Article, Acta Crystallographica, Section C: Structural Chemistry called Co(NCS)2(abpt)2 and Ni(NCS)2(abpt)2 [abpt is 4-amino-3,5-bis(pyridin-2-yl)-1,2,4-triazole]: structural characterization of polymorphs A and B, Author is Mason, Helen E.; Howard, Judith A. K.; Sparkes, Hazel A., the main research direction is cobalt nickel complex polymorph synthesis structural property; 4-amino-3,5-bis(pyridin-2-yl)-1,2,4-triazole; abpt; crystal structure; polymorphism.HPLC of Formula: 1671-88-1.

The synthesis and structures of bis[4-amino-3,5-bis(pyridin-2-yl)-1,2,4-triazole-κ2N2,N3]bis(thiocyanato-κN)cobalt(II), [Co(NCS)2(C12H10N6)2] or Co(NCS)2(abpt)2, and bis[4-amino-3,5-bis(pyridin-2-yl)-1,2,4-triazole-κ2N2,N3]bis(thiocyanato-κN)nickel(II), [Ni(NCS)2(C12H10N6)2] or Ni(NCS)2(abpt)2, are reported. In both cases, two polymorphs, A and B, were identified and structurally characterized. For both polymorphs, the structures obtained with the different metals, i.e. CoII or NiII, were found to be isostructural. All of the structures contained an intramol. N-H···N hydrogen bond, C-H···N interactions and π-π stacking interactions. No structural evidence was observed for a thermal spin crossover for either of the Co(NCS)2(abpt)2 polymorphs between 300 (2) and 120 (2) K.

From this literature《Co(NCS)2(abpt)2 and Ni(NCS)2(abpt)2 [abpt is 4-amino-3,5-bis(pyridin-2-yl)-1,2,4-triazole]: structural characterization of polymorphs A and B》,we know some information about this compound(1671-88-1)HPLC of Formula: 1671-88-1, but this is not all information, there are many literatures related to this compound(1671-88-1).

Reference:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

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 Effect of linear and non-linear pseudohalides on the structural and magnetic properties of Co(II) hexacoordinate single-molecule magnets, published in 2018, which mentions a compound: 1671-88-1, Name is 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine, Molecular C12H10N6, Electric Literature of C12H10N6.

Mononuclear hexacoordinate Co(II) complexes with the 4-amino-3,5-bis(2-pyridyl)-1,2,4-triazole (abpt) ligand and various linear and nonlinear pseudohalides, such as NCSe (selenocyanate), N{C(CN)2}2 (1,1,3,3-tetracyano-2-azapropenide, tcap), NO2C(CN)2 (nitrodicyanomethanide, nodcm), C(CN){C(CN)2}2 (1,1,2,3,3-pentacyanopropenide, pcp), NO2NCN (nitrocyanamide, nca), and ONC(CN)2 (nitrosodicyanomethanide, ndcm), was prepared X-ray analyses revealed the formation of [Co(abpt)2(solv)2]X2 (solv = H2O and X = tcap (1), solv = H2O and X = nodcm (2), solv = CH3OH and X = pcp (3)) or [Co(abpt)2(X)2] (X = nca (4), X = NCSe (5), X = ndcm (6)). The impact of axial co-ligands (solv or X) on the magnetic properties was studied exptl. by measuring temperature- and field-dependent static (d.c.) and dynamic magnetic (a.c.) data as well as theor. using the CASSCF/NEVPT2, AILFT, and AOM methods. Large magnetic anisotropy was found for all complexes 1-6 and was treated either by the spin Hamiltonian or with the Hamiltonian including the orbital angular momentum. Also, the a.c. susceptibility measurements confirmed the slow relaxation of the magnetization in a nonzero static magnetic field, thus these complexes can be classified as field-induced single-mol. magnets with an estimated energy barrier Ueff up to 100 K.

From this literature《Effect of linear and non-linear pseudohalides on the structural and magnetic properties of Co(II) hexacoordinate single-molecule magnets》,we know some information about this compound(1671-88-1)Electric Literature of C12H10N6, but this is not all information, there are many literatures related to this compound(1671-88-1).

Reference:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

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, New Journal of Chemistry called Structural studies into the spin crossover behavior of Fe(abpt)2(NCS)2 polymorphs B and D, Author is Mason, Helen E.; Musselle-Sexton, Jake R. C.; Howard, Judith A. K.; Probert, Michael R.; Sparkes, Hazel A., which mentions a compound: 1671-88-1, SMILESS is NN1C(C2=NC=CC=C2)=NN=C1C3=NC=CC=C3, Molecular C12H10N6, COA of Formula: C12H10N6.

The spin-crossover behavior of [Fe(abpt)2(NCS)2] (abpt = 4-amino-3,5-bis(pyridin-2-yl)-1,2,4-triazole) polymorphs B and D was studied using single crystal x-ray diffraction to monitor changes in structural features. High pressure single crystal measurements on polymorph B showed that it underwent a monoclinic P21/n (Z’ = 0.5) to triclinic P-1 (Z’ = 2 x 0.5) phase transition between 11.5 and 13.5 kbar, at which point it also starts to undergo a thermally inaccessible spin crossover. In polymorph D which also crystallizes in the monoclinic space group P21/n (Z’ = 2 x 0.5) one of the unique Fe centers undergoes a thermal spin transition. It also displays light-induced excited spin-state trapping (LIESST), and a structure was obtained at 30 K through continuous irradiation with a 670. nm 5 mW continuous-wave laser. In addition high pressure single crystal measurements on polymorph D showed a stepped pressure induced spin transition. At ~9.6 kbar one of the unique Fe centers had undergone a spin transition and by ~15 kbar both of the unique Fe centers are essentially low spin, a situation that is thermally inaccessible. Crystallog. data were collected for both polymorphs using variable temperature or high pressure single crystal x-ray diffraction to allow changes in cell parameters, bond lengths and distortion parameters to be monitored for the spin crossover or phase transition.

From this literature《Structural studies into the spin crossover behavior of Fe(abpt)2(NCS)2 polymorphs B and D》,we know some information about this compound(1671-88-1)COA of Formula: C12H10N6, but this is not all information, there are many literatures related to this compound(1671-88-1).

Reference:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Quality Control of 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine. 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 DNA and protein targeting 1,2,4-triazole based water soluble dinickel(II) complexes enhances antiproliferation and lactate dehydrogenase inhibition. Author is Poornima, Sengottaiyan; Anbu, Sellamuthu; Ravishankaran, Rajendran; Sundaramoorthy, Shanmugam; Natesan Vennila, K.; Karande, Anjali A.; Velmurugan, Devadasan; Kandaswamy, Muthusamy.

Water soluble dinickel(II) complexes [Ni2(L)21-2](NO3)4 (1-2), where L1-2 are triazole based dinucleating ligands, were synthesized and characterized. The DNA binding, protein binding, DNA hydrolysis and anticancer properties were investigated. The interactions of complexes 1 and 2 with calf thymus DNA were studied by spectroscopic techniques, including absorption and fluorescence spectroscopy. The DNA binding constant values of the complexes 1 and 2 were found to be 2.36 × 105 and 4.87 × 105 M-1 and the binding affinities are in the following order: 2 > 1. Both the dinickel(II) complexes 1 and 2, promoted the hydrolytic cleavage of plasmid pBR322 DNA under both anaerobic and aerobic conditions. Kinetic data for DNA hydrolysis promoted by 1 and 2 under physiol. conditions give the observed rate constants (kobs) of 5.05 ± 0.2 and 5.65 ± 0.1 h-1, resp., which shows 108-fold rate acceleration over the uncatalyzed reaction of ds-DNA. Meanwhile, the interactions of the complex with BSA have also been studied by spectroscopy. Both the complexes 1 and 2 display strong binding propensity and the binding constant (Kb), number of binding sites (n) were obtained are 0.71 × 106 [1.47] and 5.62 × 106 [1.98] M-1, resp. The complexes 1 and 2 also promoted the apoptosis against human carcinoma (HeLa, and BeWo) cancer cells. Cytotoxicity of the complexes was further confirmed by lactate dehydrogenase enzyme level in cancer cell lysate and content media.

There is still a lot of research devoted to this compound(SMILES：NN1C(C2=NC=CC=C2)=NN=C1C3=NC=CC=C3)Quality Control of 3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine, and with the development of science, more effects of this compound(1671-88-1) can be discovered.

Reference:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

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.Computed Properties of C8H17BrO. The article 《A Known Iron(II) Complex in Different Nanosized Particles: Variable-Temperature Raman Study of Its Spin-Crossover Behavior》 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).

The spin-crossover (SCO) polymorph B (complex 1) of the known compound [FeII{N(CN)2}2(abpt)2], where abpt is 4-amino-3,5-bis(pyridin-2-yl)-1,2,4-triazole, has been prepared in three different particle sizes averaging ∼300 (sample 1a), ∼80 (sample 1b), and ∼20 nm (sample 1c). Two independent octahedral mols. possessing Fe1 and Fe2 were found to be present in the crystal of B. Magnetostructural relationships had established that at room temperature both FeII sites are in the high-spin state (HS-HS), whereas a decrease in the temperature to 90 K induces the complete high-spin to low-spin conversion of the Fe1 site, with Fe2 remaining in the high-spin state (LS-HS). The three samples have been characterized by elemental analyses, ATR spectra, solution UV/vis spectra (to exclude resonance Raman effects) and powder X-ray diffraction patterns, while their morphol. characteristics have been examined by SEM. The SCO behavior of the originally prepared sample 1a has been monitored in detail by variable-temperature Raman studies in the 300-80 K range using mainly low-frequency ν(Fe-N) and δ(NFeN) modes and the ν(CN) mode of the axial dicyanamido groups as spin-sensitive vibrations. The new peaks that appear in the low-temperature Raman spectra of the LS-HS form of the complex are reproduced in the calculated spectrum of the LS state of [FeII{N(CN)2}2(abpt)2]. The influence of the average particle size on the SCO properties of 1 has also been studied by variable-temperature Raman spectra. The studies indicate that, during the HS-HS → LS-HS transition, the latter form of the complex appears at higher temperatures for the smaller particles; the T1/2 shift accomplished by manipulating the particle size within a range of roughly 1 order of magnitude (300-20 nm) may be as high as ∼30 K. The SCO features of 1, as deduced from the Raman study, are in excellent agreement with those derived from a traditional variable-temperature magnetic susceptibility study, indicating the utility of the former.

If you want to learn more about this compound(3,5-Di(pyridin-2-yl)-4H-1,2,4-triazol-4-amine)HPLC of Formula: 1671-88-1, you may wish to communicate with the author of the article,or consult the relevant literature related to this compound(1671-88-1).

Reference:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem