Category: 4553-62-2

Qi, Xuan; Feng, Ya-qing; Ni, Jing published an article about the compound: 2-Methylglutaronitrile( cas:4553-62-2,SMILESS:N#CC(C)CCC#N ).Application In Synthesis of 2-Methylglutaronitrile. 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:4553-62-2) through the article.

A review. The production methods and application of 3-picoline were described. The production methods included gas-solid phase catalysis reactions of acrolein and ammonia; ethanol, methanal and ammonia; ethanol, methanal and ammonia; ethanol or paraldehyde, methanal and urotropine; acrolein and propanol; triallylamine; 2 methylglutaronitrile and gas-liquid phase catalysis reaction. The method using 2-methylglutaronitrile as raw material was introduced in detail.

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Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Oligomers. XVI. Oligomers of acrylonitrile. II. Polymerization and degradation investigations》. Authors are Zahn, Helmut; Schafer, Paul.The article about the compound:2-Methylglutaronitrilecas:4553-62-2,SMILESS:N#CC(C)CCC#N).Application of 4553-62-2. Through the article, more information about this compound (cas:4553-62-2) is conveyed.

cf. C.A. 53, 13993c. The polymerization of acrylonitrile with dodecyl mercaptan in the presence of pyridine resulted in a polymer of average mol. weight 950. From 170° on, melting oligomers with mol. weights from 280 were obtained by fractional precipitation Some HCN has been split off during thermal degradation of polyacrylonitrile. The liquid products formed at 550° were shown to be mainly nitriles which could be separated into 4 fractions. Acrylonitrile and a dimer could be found, the latter was identical with synthetic 1,3-dicyanobutane. 33 references.

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Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

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 Optimizing organic electrosynthesis through controlled voltage dosing and artificial intelligence, published in 2019-09-03, which mentions a compound: 4553-62-2, Name is 2-Methylglutaronitrile, Molecular C6H8N2, Quality Control of 2-Methylglutaronitrile.

Organic electrosynthesis can transform the chem. industry by introducing electricity-driven processes that are more energy efficient and that can be easily integrated with renewable energy sources. However, their deployment is severely hindered by the difficulties of controlling selectivity and achieving a large energy conversion efficiency at high c.d. due to the low solubility of organic reactants in practical electrolytes. This control can be improved by carefully balancing the mass transport processes and electrocatalytic reaction rates at the electrode diffusion layer through pulsed electrochem. methods. The authors explore these methods in the context of the electrosynthesis of adiponitrile (ADN), the largest organic electrochem. process in industry. Systematically exploring voltage pulses in the timescale between 5 and 150 ms led to a 20% increase in production of ADN and a 250% increase in relative selectivity with respect to the state-of-the-art constant voltage process. Also, combining this systematic exptl. study with artificial intelligence (AI) tools allowed the authors to rapidly discover drastically improved electrosynthetic conditions, reaching improvements of 30 and 325% in ADN production rates and selectivity, resp. This powerful AI-enhanced exptl. approach represents a paradigm shift in the design of electrified chem. transformations, which can accelerate the deployment of more sustainable electrochem. manufacturing processes.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Qi, Xuan; Feng, Ya-qing; Ni, Jing published an article about the compound: 2-Methylglutaronitrile( cas:4553-62-2,SMILESS:N#CC(C)CCC#N ).Product Details of 4553-62-2. 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:4553-62-2) through the article.

A review. The production methods and application of 3-picoline were described. The production methods included gas-solid phase catalysis reactions of acrolein and ammonia; ethanol, methanal and ammonia; ethanol, methanal and ammonia; ethanol or paraldehyde, methanal and urotropine; acrolein and propanol; triallylamine; 2 methylglutaronitrile and gas-liquid phase catalysis reaction. The method using 2-methylglutaronitrile as raw material was introduced in detail.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Reference of 2-Methylglutaronitrile. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 2-Methylglutaronitrile, is researched, Molecular C6H8N2, CAS is 4553-62-2, about Purification, cloning, sequencing and over-expression in Escherichia coli of a regioselective aliphatic nitrilase from Acidovorax facilis 72W. Author is Chauhan, S.; Wu, S.; Blumerman, S.; Fallon, R. D.; Gavagan, J. E.; DiCosimo, R.; Payne, M. S..

A regioselective aliphatic nitrilase from Acidovorax facilis 72W was purified and characterized, and the corresponding gene was cloned and sequenced. This nitrilase gene was over-expressed in Escherichia coli, generating a microorganism that efficiently and regioselectively catalyzes the conversion of aliphatic dinitriles to cyanocarboxylic acids. The high yields obtained, mild reaction conditions used, and robustness observed make this biocatalyst suitable for industrial applications.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

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 A Pseudomonas putida capable of stereoselective hydrolysis of nitriles, published in 1997-02-28, which mentions a compound: 4553-62-2, Name is 2-Methylglutaronitrile, Molecular C6H8N2, Recommanded Product: 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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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Oligomers. XVI. Oligomers of acrylonitrile. II. Polymerization and degradation investigations》. Authors are Zahn, Helmut; Schafer, Paul.The article about the compound:2-Methylglutaronitrilecas:4553-62-2,SMILESS:N#CC(C)CCC#N).Safety of 2-Methylglutaronitrile. Through the article, more information about this compound (cas:4553-62-2) is conveyed.

cf. C.A. 53, 13993c. The polymerization of acrylonitrile with dodecyl mercaptan in the presence of pyridine resulted in a polymer of average mol. weight 950. From 170° on, melting oligomers with mol. weights from 280 were obtained by fractional precipitation Some HCN has been split off during thermal degradation of polyacrylonitrile. The liquid products formed at 550° were shown to be mainly nitriles which could be separated into 4 fractions. Acrylonitrile and a dimer could be found, the latter was identical with synthetic 1,3-dicyanobutane. 33 references.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Name: 2-Methylglutaronitrile. 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: 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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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Reference of 2-Methylglutaronitrile. 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: 2-Methylglutaronitrile, is researched, Molecular C6H8N2, CAS is 4553-62-2, about Purification, cloning, sequencing and over-expression in Escherichia coli of a regioselective aliphatic nitrilase from Acidovorax facilis 72W. Author is Chauhan, S.; Wu, S.; Blumerman, S.; Fallon, R. D.; Gavagan, J. E.; DiCosimo, R.; Payne, M. S..

A regioselective aliphatic nitrilase from Acidovorax facilis 72W was purified and characterized, and the corresponding gene was cloned and sequenced. This nitrilase gene was over-expressed in Escherichia coli, generating a microorganism that efficiently and regioselectively catalyzes the conversion of aliphatic dinitriles to cyanocarboxylic acids. The high yields obtained, mild reaction conditions used, and robustness observed make this biocatalyst suitable for industrial applications.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

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 Chemoenzymatic production of 1,5-dimethyl-2-piperidone, published in 2001-01-22, which mentions a compound: 4553-62-2, mainly applied to chemoenzymic dimethylpiperidone synthesis, Synthetic Route of C6H8N2.

A chemoenzymic process for the preparation of 1,5-dimethyl-2-piperidone (1,5-DMPD) from 2-methylglutaronitrile (MGN) has been demonstrated. MGN was first hydrolyzed to 4-cyanopentanoic acid (4-CPA) ammonium salt using the nitrilase activity of immobilized Acidovorax facilis 72W cells. The hydrolysis reaction produced 4-CPA ammonium salt with greater than 98% regioselectivity at 100% conversion, and at concentrations of 170-210 g 4-CPA/l. Catalyst productivities of at least 1000 g 4-CPA/g dry cell weight (dcw) of immobilized cells were achieved by recycling the immobilized-cell catalyst in consecutive stirred-batch reactions. After recovery of the immobilized cell catalyst for reuse, the 4-CPA ammonium salt in the aqueous product mixture was directly converted to 1,5-DMPD by low-pressure catalytic hydrogenation in the presence of added methylamine.

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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com