Category: 1195-58-0

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 Vanadium-titanium-tin oxide catalyst for oxidative ammonolysis of alkylbenzenes and alkylpyridines.Synthetic Route of C7H3N3.

Oxidative ammonolysis of alkylbenzenes and alkylpyridines (p-xylene, pseudocumene, 2-, 3-, and 4-picoline, 2,6- and 3,5-lutidine, 3-ethylpyridine, 2-methyl-5-ethylpyridine, and 2-methyl-5-vinylpyridine) on SnO2-modified Ti V oxide catalyst gave the corresponding nitriles in high yields. The catalyst is activated by water vapor.

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Computed Properties of C7H3N3. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: Pyridine-3,5-dicarbonitrile, is researched, Molecular C7H3N3, CAS is 1195-58-0, about Oxidative ammonolysis of 3,5-lutidine on vanadium oxide contacts modified by additives of tin and titanium oxides. Author is Belova, N. A.; Suvorov, B. V.; Kagarlitskii, A. D..

Ammoxidation of 3,5-lutidine on the title catalysts at 340-420° gave 5-methylnicotinonitrile (I) and 3,5-pyridinedicarbonitrile (II) in yields as high as 85 and 65%, resp. At the lower temperatures and contact times, II was formed sequentially via I, but under the more drastic conditions II could also be formed directly from 3,5-lutidine.

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Quality Control of Pyridine-3,5-dicarbonitrile. 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: Pyridine-3,5-dicarbonitrile, is researched, Molecular C7H3N3, CAS is 1195-58-0, about Vanadium-titanium-tin oxide catalyst for oxidative ammonolysis of alkylbenzenes and alkylpyridines. Author is Suvorov, B. V.; Belova, N. A.; Stepanova, L. A..

Oxidative ammonolysis of alkylbenzenes and alkylpyridines (p-xylene, pseudocumene, 2-, 3-, and 4-picoline, 2,6- and 3,5-lutidine, 3-ethylpyridine, 2-methyl-5-ethylpyridine, and 2-methyl-5-vinylpyridine) on SnO2-modified Ti V oxide catalyst gave the corresponding nitriles in high yields. The catalyst is activated by water vapor.

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Quality Control of Pyridine-3,5-dicarbonitrile. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Pyridine-3,5-dicarbonitrile, is researched, Molecular C7H3N3, CAS is 1195-58-0, about Proton chemical shifts of the symmetrically disubstituted pyridines. Author is Wu, Ting Kai.

3,5-Disubstituted pyridines (R2C5H3N, where R = CN, Br, Cl, and Me) and 2,6-disubstituted pyridines (R’2C5H3N, where R’ = NH2, OMe, Me, Cl, Br, and COMe) were studied by N.M.R. spectra to determine the substituent effects on the chem. shifts for further insight into the nature of the shielding mechanisms in the pyridine π-electron system. The additive substituent effects on the proton chem. shifts of the sym. disubstituted pyridines provide further supporting evidence for the interpretation of Wu and Dailey [J. Chem. Phys. 41, 3307(1964)] that the shielding mechanisms in the pyridines are virtually the same as those in benzenes.

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The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: Pyridine-3,5-dicarbonitrile, is researched, Molecular C7H3N3, CAS is 1195-58-0, about Substituted thieno[2,3-d]pyrimidines as adenosine A2A receptor antagonists, the main research direction is thienopyrimidine preparation adenosine A2A antagonist.Category: alcohols-buliding-blocks.

A novel series of benzyl substituted thieno[2,3-d]pyrimidines, e.g. I, were identified as potent A2A receptor antagonists. Several five- and six-membered heterocyclic replacements for the optimized methylfuran were explored. Select compounds effectively reverse catalepsy in mice when dosed orally.

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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. V. Formation of the isomeric 1,2- and 1,4-dihydro derivatives in the reaction of methylmagnesinm iodide with 3,5-dicyanopyridine and 3,5-dicyano-2-methylpyridine》. Authors are Kuthan, J.; Janeckova, E.; Havel, M..The article about the compound:Pyridine-3,5-dicarbonitrilecas:1195-58-0,SMILESS:N#CC1=CC(C#N)=CN=C1).Quality Control of Pyridine-3,5-dicarbonitrile. Through the article, more information about this compound (cas:1195-58-0) is conveyed.

cf. CA 58, 5626a. MeMgI adds to 3,5-dicyanopyridine (I) to give 3,5-dicyano-2-methyl-1,2-dihydropyridine (II) and 3,5-dicyano-4-methyl-1,4-dihydropyridine (III). Similarly, 3,5-dicyano-2-methylpyridine (IV) forms 3,5-dicyano-2,6-dimethyl-1,2-dihydropyridine (V) and 3,5-dicyano-2,4-dimethyl-1,4-dihydropyridine (VI), resp. Nicotinoyl chloride-HCl (from 500 g. nicotinoic acid and 1400 ml. SOCl2) refluxed 35 hrs. with 500 ml. Br, the mixture evaporated on a steam bath, the residue dissolved in 1 l. absolute EtOH, and the solution heated 30 min. on a steam bath gave 81% HBr salt of Et 5-bromonicotinate, m. 147-7.5° (EtOH), from which 80% Et 5-bromonicotinate (VII), b0.5 86-92°, m. 42°, was obtained by treatment with Na2CO3. VII (50 g.) stirred with 30 g. CuCN in 50 ml. HCONMe2 2 hrs. at 160-75°, the mixt evaporated in vacuo, and the residue shaken with 500 ml. concentrated NH4OH and extracted successively with 800 ml. C6H6 and 200 ml. Et2O gave after evaporation 45% Et 5-cyanonicotinate (VIII), b16 143-5°, m. 89-90° (petr. ether). VIII (50 g.) in 1 l. absolute EtOH saturated with NH3 kept 7 days at room temperature gave 72% 5-cyanonicotinamide (IX), m. 220-1° (H2O, EtOH). A mixture of 14 g. IX and 40 ml. anhydrous C5H5N treated over 15 min. with 9 ml. POCl3, stirred 8 hrs., decomposed with ice, alkalized with NH4OH, and extracted with CHCl3 gave 64% I, m. 113-13.5° (dilute EtOH), sublimed 80-90°/10 mm. K salt of 2-hydroxy-3,5-dicyano-6-methylpyridine (6.07 g.) and 7 g. PCl5 treated with 10 ml. POCl3, and the mixture refluxed 30 min., evaporated in vacuo, decomposed with ice, and extracted with C6H6 gave 35% 3,5-dicyano-2-chloro-6-methylpyridine, m. 143-3.5°, which gave IV, m. 76-7°, on catalytic hydrogenation. Reaction of 1.04 g. I in 70 ml. Et2O with MeMgI (from 0.8 g. Mg, 2 ml. MeI, and 30 ml. Et2O) followed by chromatography on Al2O3 (activity II) gave 512 mg. yellow II, m. 114-15° (C6H6, dilute EtOH), and 240 mg. yellowish III, m. 180.5-81° (dilute EtOH). Similarly, 670 mg. IV with MeMgI (from 0.72 g. Mg, 1.9 ml. MeI, and 25 ml. Et2O) afforded 405 mg. yellow V, m. 152-3° (dilute MeOH), and 138 mg. yellowish VI, m. 129.5-30.5°. Dehydrogenation of II, III, V, and VI by heating with equal amounts 30% Pd-C 20 min. at 200-5° gave IV, 3,5-dicyano-4-methylpyridine, m. 84.5-85°, 3,5-dicyano-2,6-dimethylpyridine, m. 118-18.5°, and 3,5-dicyano-2,4-dimethylpyridine, m. 115-15.5°, resp. Ultraviolet and infrared data for II, III, V, and VI, and of some of the intermediates, are given.

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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.Shook, Brian C.; Chakravarty, Devraj; Barbay, J. Kent; Wang, Aihua; Leonard, Kristi; Alford, Vernon; Powell, Mark T.; Rassnick, Stefanie; Scannevin, Robert H.; Carroll, Karen; Wallace, Nathaniel; Crooke, Jeffrey; Ault, Mark; Lampron, Lisa; Westover, Lori; Rhodes, Kenneth; Jackson, Paul F. researched the compound: Pyridine-3,5-dicarbonitrile( cas:1195-58-0 ).Recommanded Product: 1195-58-0.They published the article 《Substituted thieno[2,3-d]pyrimidines as adenosine A2A receptor antagonists》 about this compound( cas:1195-58-0 ) in Bioorganic & Medicinal Chemistry Letters. Keywords: thienopyrimidine preparation adenosine A2A antagonist. We’ll tell you more about this compound (cas:1195-58-0).

A novel series of benzyl substituted thieno[2,3-d]pyrimidines, e.g. I, were identified as potent A2A receptor antagonists. Several five- and six-membered heterocyclic replacements for the optimized methylfuran were explored. Select compounds effectively reverse catalepsy in mice when dosed orally.

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Name: Pyridine-3,5-dicarbonitrile. 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 Sodium cyanoborohydride.

Properties and applications of sodium cyanoborohydride as a selective, mild reducing reagent for reductive aminations of aldehydes and ketones, reductions of imines, iminium ions, oximes and oxime derivatives, hydrazones, enamines, reductive deoxygenation of carbonyls via sulfonyl hydrazones, reductions of aldehydes and ketones, polarized alkenes, alkyl halides, epoxides, acetals and allylic ester groups were reviewed.

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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 π-Electronic structure and electronic spectra of methylated 3,5-dicyanopyridines, published in 1977, which mentions a compound: 1195-58-0, mainly applied to methyldicyanopyridine UV MO; cyanopyridine UV MO; pyridine cyano UV MO, Formula: C7H3N3.

Quantum-chem. interpretation is given for the UV spectra of mono-, di-, and trimethylated title compounds using the limited-configuration-interaction method on the bases of Hueckel MO and SCF wave functions. Results of both procedures agree well with exptl. The modifications agree also in qualities of individual transitions and weights of configurations. The influence of Me-group on 3,5-dicyanopyridine skeleton was followed by the electron d. change.

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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.Recommanded Product: 707-61-9. The article 《π-Electronic structure and electronic spectra of methylated 3,5-dicyanopyridines》 in relation to this compound, is published in Collection of Czechoslovak Chemical Communications. Let’s take a look at the latest research on this compound (cas:1195-58-0).

Quantum-chem. interpretation is given for the UV spectra of mono-, di-, and trimethylated title compounds using the limited-configuration-interaction method on the bases of Hueckel MO and SCF wave functions. Results of both procedures agree well with exptl. The modifications agree also in qualities of individual transitions and weights of configurations. The influence of Me-group on 3,5-dicyanopyridine skeleton was followed by the electron d. change.

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