Category: 4553-62-2

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 2-Methylglutaronitrile, is researched, Molecular C6H8N2, CAS is 4553-62-2, about Anodic Dissolution of Al Current Collectors in Unconventional Solvents for High Voltage Electrochemical Double-Layer Capacitors, the main research direction is anodic dissolution aluminum current collector solvent electrochem capacitor; capacitors; dissolution; electrolytes; high voltage; ion-solvent interactions.HPLC of Formula: 4553-62-2.

This study studied the anodic dissolution of Al current collectors in unconventional electrolytes for high voltage electrochem. double-layer capacitors (EDLCs) containing adiponitrile (ADN), 3-cyanopropionic acid Me ester (CPAME), 2-methyl-glutaronitrile (2-MGN) as solvent, and Et4N+ tetrafluoroborate (Et4NBF4) and Et4N+ bis(trifluoromethanesulfonyl)imide (Et4NTFSI) as conductive salts. To have a comparison with the state-of-the-art electrolytes, the same salts were also used in combination with MeCN (ACN). The chem.-phys. properties of the electrolytes were studied. Also, their impact on the anodic dissolution of Al was analyzed in detail as well as the influence of this process on the performance of high voltage EDLCs. The results of this study indicated that in the case of Et4NBF4-based electrolytes, the use of an alternative solvent is very beneficial for the realization of stable devices. When Et4NTFSI is used, the reduced solubility of the complex Al(TFSI)3 appears to be the key for the realization of advanced electrolytes.

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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: 4553-62-2, is researched, Molecular C6H8N2, about Regioselective biocatalytic hydrolysis of (E,Z)-2-methyl-2-butenenitrile for production of (E)-2-methyl-2-butenoic acid, the main research direction is nitrilase catalyst regioselective hydrolysis methylbutenenitrile; butenenitrile methyl nitrilase catalyst regioselective hydrolysis; methylbutenoic acid preparation; butenoic acid methyl preparation.Recommanded Product: 2-Methylglutaronitrile.

Acidovorax facilis 72W nitrilase catalyzed the regioselective hydrolysis of (E,Z)-2-methyl-2-butenenitrile, producing only (E)-2-methyl-2-butenoic acid with no detectable conversion of (Z)-2-methyl-2-butenenitrile. (E)-2-Methyl-2-butenoic acid, produced in aqueous solution as the ammonium salt, was readily separated from (Z)-2-methyl-2-butenenitrile, and isolated in high yield and purity. The combination of nitrile hydratase and amidase activities of several Comamonas testosteroni strains were also highly regioselective for the production of (E)-2-methyl-2-butenoic acid from (E,Z)-2-methyl-2-butenenitrile.

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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Conformation of biaryls. Dipole moment measurements of o-methylbiphenyls》. Authors are Sato, Takeo.The article about the compound:2-Methylglutaronitrilecas:4553-62-2,SMILESS:N#CC(C)CCC#N).Application In Synthesis of 2-Methylglutaronitrile. Through the article, more information about this compound (cas:4553-62-2) is conveyed.

cf. CA 54, 19584a. 5,5′-Dinitro- (I), 5,5′-dichloro-2,2′-dimethylbiphenyl (II), and 2-methyl-3′,5-dinitrobiphenyl (III) were prepared, their dipole moments measured and the interplanar angles calculated The results for I and II showed the rings to be nearly perpendicular to each other, whereas III showed a slight trans arrangement with inclined C6H6 rings at an angle of 76°. 2-Iodo-4-nitrotoluene (100 g.) and 150 g. dry sand heated to 215° 100 g. activated Cu-bronze (IV) added over 1 hr. with good stirring at 215-20°, heated and kept 1.5 hrs. at 250°, the mixture poured into dry sand and extracted with EtOH gave a low yield of I, yellow needles, m. 177-8° (HOAc or Me2CO). 4-Chloro-2-iodotoluene (16 g.) heated at 240-50°, 20 g. IV added over 1 hr., the mixture heated and kept 40 min. at 280-90°, extracted with Me2CO and distilled gave II, b4 140-55°, n20 1.5961. IV (15 g.) added with stirring over 30 min. to a mixture of 4 g. 2-iodo-4-nitrotoluene and 75 g. m-nitroiodobenzene at 220-30°, heated and kept 30 min. at 240-50°, extracted with Me2CO and the solvent evaporated gave III, yellow plates, m. 145-6° (EtOH).

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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, Agricultural and Biological Chemistry called Microbial degradation of nitrile compounds. Part III. Degradation of dinitriles by Fusarium merismoides TG-1, Author is Asano, Yasuhisa; Ando, Shinji; Tani, Yoshiki; Yamada, Hideaki, which mentions a compound: 4553-62-2, SMILESS is N#CC(C)CCC#N, Molecular C6H8N2, SDS of cas: 4553-62-2.

The triacrylonitrile-utilizing fungus F. merismoides TG-1 grew on a medium containing dinitriles as the N source. It degraded glutaronitrile to 4-cyanobutyric acid and diacrylonitrile to 4-cyanopentanoic acid.

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Safety of 2-Methylglutaronitrile. 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: 2-Methylglutaronitrile, is researched, Molecular C6H8N2, CAS is 4553-62-2, about Optimization of an immobilized-cell biocatalyst for production of 4-cyanopentanoic acid. Author is Hann, Eugenia C.; Sigmund, Amy E.; Hennessey, Susan M.; Gavagan, John E.; Short, David R.; Ben-Bassat, Arie; Chauhan, Sarita; Fallon, Robert D.; Payne, Mark S.; DiCosimo, Robert.

Optimization of microbial cell immobilization, catalyst specific activity, and volumetric productivity were required for scale-up of the nitrilase-catalyzed hydrolysis of 2-methylglutaronitrile to 4-cyanopentanoic acid, an intermediate in the preparation of 1,5-dimethyl-2-piperidone. As an alternative to the immobilization of Acidovorax facilis 72W cells in carrageenan, immobilization in alginate, followed by crosslinking with glutaraldehyde and polyethylenimine, produced a catalyst which was stable in reaction mixtures containing high concentrations of 4-cyanopentanoic acid ammonium salt. Immobilization in alginate produced catalysts with a higher nitrilase specific activity than was achieved in carrageenan, and volumetric productivity of 4-cyanopentanoic acid was increased from 19 to 49 g/L-h. Substituting alginate for carrageenan also eliminated 1 process step in the immobilization. A further increase in volumetric productivity to 79 g/L-h was achieved by using an immobilized Escherichia coli transformant which expresses A. facilis 72W nitrilase.

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The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 2-Methylglutaronitrile( cas:4553-62-2 ) is researched.HPLC of Formula: 4553-62-2.Phadke, Satyajit; Cao, Mingli; Anouti, Meriem published the article 《Approaches to Electrolyte Solvent Selection for Poly-Anthraquinone Sulfide Organic Electrode Material》 about this compound( cas:4553-62-2 ) in ChemSusChem. Keywords: polyanthraquinone sulfide organic electrode material electrolyte solvent selection; Hansen parameters; organic batteries; organic electrode; polyanthraquinone; solubility. Let’s learn more about this compound (cas:4553-62-2).

Organic materials such as polyanthraquinone sulfide (PAQS) are receiving increased attention as electrodes for energy storage systems owing to their good environmental compatibility, high rate capability, and large charge-storage capacity. However, one of their limitations is the solubility in organic solvents typically composing the electrolytes. Here, the solubility of PAQS was tested in 17 different solvents using UV/Vis spectroscopy. The results show that PAQS exhibits a very wide range of solubility according to the nature of the solvent and the obtained trend agrees well with the predictions from Hansen solubility anal. Furthermore, the transport properties (conductivity, σ, and viscosity, η) of selected electrolytes composed of non-solubilising solvents with 1 M LiTFSI are compared and discussed in the temperature range from -40 °C to 80 °C. In the second part of this study, the electrochem. characterization of PAQS as electrode material in selected pure or mixture of solvents with 1 M LiTFSI as salt was made in half-cells by a galvanostatic method. In a methylglutaronitrile (2MeGLN)-based electrolyte that exhibits low solubility of PAQS, it appears that the capacity fade is intricately linked to the large irreversibility of the second step of the redox process. Although the standard cyclic carbonate solvents mixture (ethylene carbonate and propylene carbonate) led to rapid capacity fade in the initial 10-15 cycles owing to their high solubilising ability. Finally, it is shown that a pure linear alkylcarbonate (di-Me carbonate) or binary mixture of ether-based (dioxolane/dimethoxy ethane) electrolyte is much more compatible for enhanced capacity retention in PAQS with more than 120 mAh g-1 for 1000 cycles at 4 C.

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The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 2-Methylglutaronitrile(SMILESS: N#CC(C)CCC#N,cas:4553-62-2) is researched.Name: Bis(2,5-dioxopyrrolidin-1-yl) O,O’-ethane-1,2-diyl disuccinate. The article 《Interactions in SMA-SAN blends》 in relation to this compound, is published in Journal of Polymer Science, Part B: Polymer Physics. Let’s take a look at the latest research on this compound (cas:4553-62-2).

Styrene-maleic anhydride copolymers form miscible blends with styrene-acrylonitrile copolymers when the maleic anhydride (I) and acrylonitrile (II) contents do not differ too greatly. This is the result of a weak exothermic interaction between the I and II units, as indicated by measuring the heats of mixing for appropriate liquid analogs of the various monomer units. The region of copolymer compositions for blend miscibility is predicted from the Sanchez-Lacombe mixture theory using net interaction parameters calculated from analog calorimetry results via a simple binary interaction model for copolymers. Lower critical solution temperature behavior was observed for blends of copolymers having compositions near the edge of the miscibility region. Various glass transition, volumetric, and FTIR results are discussed in terms of the interactions observed

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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 Electrochemical reduction of 2-methylglutaronitrile on deposited electrodes in aqueous media, published in 1985-06-30, which mentions a compound: 4553-62-2, Name is 2-Methylglutaronitrile, Molecular C6H8N2, Quality Control of 2-Methylglutaronitrile.

H2N(CH2)3CHMeCH2NH2 was obtained in 40-60% yield by the electrochem. reduction of NCCH2CH2CHMeCN using deposited nickel black and palladium black cathodes under different conditions. Various synthetic parameters were standardized. The results obtained from various reduction experiments are discussed.

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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Conformation of biaryls. Dipole moment measurements of o-methylbiphenyls》. Authors are Sato, Takeo.The article about the compound:2-Methylglutaronitrilecas:4553-62-2,SMILESS:N#CC(C)CCC#N).Quality Control of 2-Methylglutaronitrile. Through the article, more information about this compound (cas:4553-62-2) is conveyed.

cf. CA 54, 19584a. 5,5′-Dinitro- (I), 5,5′-dichloro-2,2′-dimethylbiphenyl (II), and 2-methyl-3′,5-dinitrobiphenyl (III) were prepared, their dipole moments measured and the interplanar angles calculated The results for I and II showed the rings to be nearly perpendicular to each other, whereas III showed a slight trans arrangement with inclined C6H6 rings at an angle of 76°. 2-Iodo-4-nitrotoluene (100 g.) and 150 g. dry sand heated to 215° 100 g. activated Cu-bronze (IV) added over 1 hr. with good stirring at 215-20°, heated and kept 1.5 hrs. at 250°, the mixture poured into dry sand and extracted with EtOH gave a low yield of I, yellow needles, m. 177-8° (HOAc or Me2CO). 4-Chloro-2-iodotoluene (16 g.) heated at 240-50°, 20 g. IV added over 1 hr., the mixture heated and kept 40 min. at 280-90°, extracted with Me2CO and distilled gave II, b4 140-55°, n20 1.5961. IV (15 g.) added with stirring over 30 min. to a mixture of 4 g. 2-iodo-4-nitrotoluene and 75 g. m-nitroiodobenzene at 220-30°, heated and kept 30 min. at 240-50°, extracted with Me2CO and the solvent evaporated gave III, yellow plates, m. 145-6° (EtOH).

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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 A Pseudomonas putida capable of stereoselective hydrolysis of nitriles, published in 1997-02-28, which mentions a compound: 4553-62-2, mainly applied to stereoselective nitrile hydratase amide Pseudomonas; nitrilase stereoselective Pseudomonas, Safety of 2-Methylglutaronitrile.

P. putida NRRL-18668 contains a nitrile hydratase capable of stereoselective hydrolysis of 2-(4-chlorophenyl)-3-methylbutyronitrile at >90% enantiomeric excess (ee) to the (S)-amide. This soil isolate was recovered from enrichments using (R,S)-2-methylglutaronitrile as the sole nitrogen source. Enzyme expression is constitutive and does not show a high level of catabolite repression. The organism is capable of growth on a wide variety of aliphatic mono- and dinitrile compounds The hydrolysis activity on propionitrile is ∼10.3 μmol/h-mg wet cells. The enzyme in cell-free preparations is inhibited by a number of heavy metals, phenylhydrazine, and cyanide. Substrate specificity is broad, with highest rates shown on C4 and C5 aliphatic mononitriles. The strain appears somewhat unusual in its dependence on Co supplementation for maximum enzyme activity and the ability to hydrolyze some aromatic nitriles. This strain is also capable of a 2-step hydrolysis of 2-(4-isobutylphenyl)-propionitrile and 2-(6-methoxy-2-naphthyl)-propionitrile to the (S, with stereoselectivity residing primarily in the aliphatic amidase. This appears to be the 1st description of a stereoselective nitrile hydratase from a gram-neg. organism.

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