Category: 1195-58-0

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 Three novel zinc(II) metal-organic frameworks based on three tetrazolate ligands: synthesis, structures and photoluminescence, published in 2014, which mentions a compound: 1195-58-0, Name is Pyridine-3,5-dicarbonitrile, Molecular C7H3N3, HPLC of Formula: 1195-58-0.

Three metal-organic frameworks (MOFs), [Zn(BPT)H2O] (JUC-121), [Zn5(IBT)6]·8[H2NMe2]·DMA (JUC-122) and [Zn(TPD)(H2O)2]·0.5H2O (JUC-123) (JUC = Jilin University, China), H2BPT = (5-bromo-1,3-phenylene)bis(tetrazole), H3IBT = 4,5-bis(tetrazol-5-yl)imidazole and H2TPD = 3,5-di(tetrazol-5-yl)pyridine, were obtained by the reactions of Zn(NO3)2·6H2O and three tetrazolate ligands, which were characterized by single crystal x-ray diffraction, thermal gravimetric analyses (TGA), FTIR spectra (FTIR), elemental anal. (CHN) and powder X-ray diffraction (PXRD). From the crystal structures of these complexes and the coordination modes of the ligands, the authors can see that the tetrazolate ligands have multi-connectivity abilities to obtain intriguing varieties of mol. architectures. JUC-121 displays a three-dimensional (3D) network with the point symbol (4·65)2(42·84)(64·82). JUC-122 shows a two-dimensional (2D) framework with the point symbol (243)2(24)9 and JUC-123 has a 2-dimensional bimodal (3, 3)-connected net with the point symbol (4·82). The solid-state fluorescent spectra of JUC-121, JUC-122, JUC-123 and the free ligands were measured at room temperature

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The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Pyridine-3,5-dicarbonitrile(SMILESS: N#CC1=CC(C#N)=CN=C1,cas:1195-58-0) is researched.Computed Properties of C4H6O3. The article 《Alkylation of pyridine-3,5-dicarboxamide and pyridine-3,5-dicarbonitriles by radical substitution》 in relation to this compound, is published in Journal of Heterocyclic Chemistry. Let’s take a look at the latest research on this compound (cas:1195-58-0).

Structural modification of NAD(P) model compounds, N,N,N’,N’-tetramethylpyridine-3,5-dicarboxamide (1), pyridine-3,5-dicarbonitrile (2), and 4-methylpyridine-3,5-dicarbonitrile (3), have been explored by the reaction with alkyl radicals such as the 1-adamantyl, tert-Bu, and iso-Pr radicals. The alkyl substitutions of compounds 1, 2, and 3 with the 1-adamantyl and the tert-Bu radical gave both 2-mono and 2,6-disubstitution products, whereas the reaction of compound 2 with the iso-Pr radical gave 2-mono- I, 2,4-di-, 2,6-di-, and 2,4,6-trisubstitution products.

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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: Pyridine-3,5-dicarbonitrile, is researched, Molecular C7H3N3, CAS is 1195-58-0, about Photochemistry of dicyanopyridines.COA of Formula: C7H3N3.

The photochem. of a variety of dicyanopyridines (2,3-, 2,4-, 2,5-, 2,6-, 3,4- and 3,5-dicyanopyridine) in solution at room temperature was investigated. Pulsed UV (308 nm) laser irradiation in deoxygenated acetonitrile yields the triplet state with lifetimes between 4 and 10 μs and absorption bands in the 400 and 320 nm regions. In the presence of added HCl an air-insensitive transient (τ≈10-12 μs, λmax≈360-380 nm) was observed, suggesting the formation of a protonated excited state. Irradiation in the presence of amines resulted in the production of the pyridyl radical anion (τ≈40-80 μs, air sensitive, λmax≈360-380 nm) formed by electron transfer from the amine to the pyridine triplet excited state. Stern-Volmer anal. gave electron transfer rate constants in the range (1-8)×10-8 M-1s-1. In methanol solvent, irradiation yielded an air-insensitive transient assigned as the neutral pyridyl radical (τ≈30-200 μs, λmax≈370-385 nm). The formation of these transients is discussed in the context of previous photochem. ESR and product studies.

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Related Products of 1195-58-0. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: Pyridine-3,5-dicarbonitrile, is researched, Molecular C7H3N3, CAS is 1195-58-0, about Three novel zinc(II) metal-organic frameworks based on three tetrazolate ligands: synthesis, structures and photoluminescence. Author is He, Hongming; Sun, Fuxing; Zhao, Nian; Yuan, Rongrong; Zhu, Guangshan.

Three metal-organic frameworks (MOFs), [Zn(BPT)H2O] (JUC-121), [Zn5(IBT)6]·8[H2NMe2]·DMA (JUC-122) and [Zn(TPD)(H2O)2]·0.5H2O (JUC-123) (JUC = Jilin University, China), H2BPT = (5-bromo-1,3-phenylene)bis(tetrazole), H3IBT = 4,5-bis(tetrazol-5-yl)imidazole and H2TPD = 3,5-di(tetrazol-5-yl)pyridine, were obtained by the reactions of Zn(NO3)2·6H2O and three tetrazolate ligands, which were characterized by single crystal x-ray diffraction, thermal gravimetric analyses (TGA), FTIR spectra (FTIR), elemental anal. (CHN) and powder X-ray diffraction (PXRD). From the crystal structures of these complexes and the coordination modes of the ligands, the authors can see that the tetrazolate ligands have multi-connectivity abilities to obtain intriguing varieties of mol. architectures. JUC-121 displays a three-dimensional (3D) network with the point symbol (4·65)2(42·84)(64·82). JUC-122 shows a two-dimensional (2D) framework with the point symbol (243)2(24)9 and JUC-123 has a 2-dimensional bimodal (3, 3)-connected net with the point symbol (4·82). The solid-state fluorescent spectra of JUC-121, JUC-122, JUC-123 and the free ligands were measured at room temperature

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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Dihydropyridines. XII. Electronic structure and reactivity of monocyanopyridines and symmetric dicyanopyridines》. Authors are Kuthan, J..The article about the compound:Pyridine-3,5-dicarbonitrilecas:1195-58-0,SMILESS:N#CC1=CC(C#N)=CN=C1).Product Details of 1195-58-0. Through the article, more information about this compound (cas:1195-58-0) is conveyed.

cf. CA 65, 3828a. The electronic structure of 2-cyanopyridine, 3-cyanopyridine, 4-cyanopyridine, 2,6-dicyanopyridine, and 3,5-dicyanopyridine were studied by means of the simple mol. orbital theory (HMO). The reactivity of these compounds toward nucleophilic reagents is discussed with respect to possible formation of corresponding dihydro derivatives or products with transformed functional groups. Ir, N.M.R., and uv spectra of the compounds studied are compared with the calculated values for the bond orders, π-electron densities, and with the theoretical excitation energies. Bond orders and π-electron densities as calculated on the basis of HMO-approximation are correlated with analogous data obtained by the self-consistent-field method.

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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: 1195-58-0, is researched, Molecular C7H3N3, about Dihydropyridines. XVIII. Atom localization energies of monocyanopyridines and symmetrical dicyanopyridines, the main research direction is cyanopyridines localization energy; localization energy cyanopyridines.Product Details of 1195-58-0.

Satisfactory agreement was found between the exptl. data of nucleophilic and homolytic reactions of monocyanopyridines and sym. dicyanopyridines and the corresponding atom localization energies. The calculation of π-elec-tonic structure of these compounds was carried out by the Hueckel M.O. L.C.A.O. method.

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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 Photochemistry of dicyanopyridines, published in 1995-09-13, which mentions a compound: 1195-58-0, mainly applied to photochem dicyanopyridine UV laser flash photolysis, Synthetic Route of C7H3N3.

The photochem. of a variety of dicyanopyridines (2,3-, 2,4-, 2,5-, 2,6-, 3,4- and 3,5-dicyanopyridine) in solution at room temperature was investigated. Pulsed UV (308 nm) laser irradiation in deoxygenated acetonitrile yields the triplet state with lifetimes between 4 and 10 μs and absorption bands in the 400 and 320 nm regions. In the presence of added HCl an air-insensitive transient (τ≈10-12 μs, λmax≈360-380 nm) was observed, suggesting the formation of a protonated excited state. Irradiation in the presence of amines resulted in the production of the pyridyl radical anion (τ≈40-80 μs, air sensitive, λmax≈360-380 nm) formed by electron transfer from the amine to the pyridine triplet excited state. Stern-Volmer anal. gave electron transfer rate constants in the range (1-8)×10-8 M-1s-1. In methanol solvent, irradiation yielded an air-insensitive transient assigned as the neutral pyridyl radical (τ≈30-200 μs, λmax≈370-385 nm). The formation of these transients is discussed in the context of previous photochem. ESR and product studies.

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Synthetic Route of C7H3N3. 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. Compound: Pyridine-3,5-dicarbonitrile, is researched, Molecular C7H3N3, CAS is 1195-58-0, about Correlation of 2-, 3-, 4- and disubstituted pyridine gas-phase proton affinities with ab initio calculated energies at the STO-3G basis set level.

Total energies of 2-, 3-, 4- and disubstituted pyridines were calculated for the salt and the free base using ab initio MO calculations at the STO-3G basis set level. In each set, the difference in energy, ΔEH, between the salt and the free base was calculated and plotted against exptl. derived gas-phase proton affinities. The correlation was very good for each of the substituent categories listed. All of the energies and proton affinities were then plotted together on the same graph. The result was an excellent correlation with r = 0.97. The linear equation for gas phase proton affinity, PAB = 28.51 + 435.45ΔEH kcal/mol, was derived from this plot and was used to calculate proton affinities for all 31 compounds used in this study as well as for a series of dicyanopyridines for which values of proton affinity are not available at this time.

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The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Pyridine-3,5-dicarbonitrile(SMILESS: N#CC1=CC(C#N)=CN=C1,cas:1195-58-0) is researched.Formula: C5H11I. The article 《A study of solvent effect on photochemically induced reactions between pyridinedicarbonitriles and alkenes: an easy approach to the synthesis of cyclopenta[b or c]pyridines》 in relation to this compound, is published in Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry. Let’s take a look at the latest research on this compound (cas:1195-58-0).

Photochem. induced reactions of pyridinedicarbonitriles and alkenes showed an interesting dependence on solvent polarity. In non-polar solvents ipso-substitution of the cyano groups in positions α or γ to the heterocyclic nitrogen occurred to a larger extent, while in polar solvents the reaction provided a path to the formation of a new ring between the carbon atom of one of the cyano groups and a ring position, forming a cyclopenta[b]pyridine or cyclopenta[c]pyridine derivatives Studies on the multiplicity of the excited state controlling the reaction showed that the singlet state was involved in the ipso-substitution, while the triplet state controlled the formation of the pyridine. An explanation for the solvent effect was given in terms of shift of the excited states with the solvent used. Theor. calculations justified the position of the cyclization, although no correlation was found for the regioisomers ratio. This reaction represented an effective entry to the biol. interesting pyrindine systems.

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Volke, J.; Skala, V. published an article about the compound: Pyridine-3,5-dicarbonitrile( cas:1195-58-0,SMILESS:N#CC1=CC(C#N)=CN=C1 ).COA of Formula: C7H3N3. 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:1195-58-0) through the article.

Electrochem. reduction of mono- and dicyanopyridines at a Hg electrode proceded via intermediates containing a cyclic π-electron septet formed after uptake of the 1st electron; these intermediates underwent either protonation, dimerization, or further 1-electron reduction, depending on the position of the cyano group(s), the acidity of the medium, and the electrode potential. This mechanism was substantiated by LCAO-MO and SCF calculations; the exptl. half-wave potentials were correlated to the energy of the lowest free MO of the substrate.

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