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78-97-7Relevant academic research and scientific papers
Photochemical reductive homologation of hydrogen cyanide using sulfite and ferrocyanide
Xu, Jianfeng,Ritson, Dougal J.,Ranjan, Sukrit,Todd, Zoe R.,Sasselov, Dimitar D.,Sutherland, John D.
supporting information, p. 5566 - 5569 (2018/06/04)
Photoredox cycling during UV irradiation of ferrocyanide ([FeII(CN)6]4-) in the presence of stoichiometric sulfite (SO32-) is shown to be an extremely effective way to drive the reductive homologation
Photoiodocarboxylation of Activated C=C Double Bonds with CO2 and Lithium Iodide
Mello, Rossella,Arango-Daza, Juan Camilo,Varea, Teresa,González-Nú?ez, María Elena
, p. 13381 - 13394 (2018/11/20)
The photolysis at 254 nm of lithium iodide and olefins 1 carrying an electron-withdrawing Z-substituent in CO2-saturated (1 bar) anhydrous acetonitrile at room temperature produces the atom efficient and transition metal-free photoiodocarboxylation of the C=C double bond. The reaction proceeds well for terminal olefins 1 to form the new C-I and C-C σ-bonds at the α and β-positions of the Z-substituent, respectively, and is strongly inhibited by polar protic solvents or additives. The experimental results suggest that the reaction channels through the radical anion [CO2?-] in acetonitrile, yet involves different intermediates in aqueous medium. The stabilizing ion-quadrupole and electron donor-acceptor interactions of CO2 with the iodide anion play a crucial role in the reaction course as they allow CO2 to penetrate the solvation shell of the anion in acetonitrile, but not in water. The reaction paths and the reactive intermediates involved under different conditions are discussed.
2 - methyl malonic acid diester synthetic method of the compound
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Paragraph 0033-0036, (2017/08/10)
The invention discloses a synthetic method of 2-diester methylmalonate compounds, and relates to the technical field of carboxylic ester preparation. The synthetic method comprises steps as follows: C, sulfonic acid 2-ethyl N-cyanoethanimideate IV and cyanide react under the action of a solvent and a catalyst, and 2-methyl malononitrile V is obtained; D, 2-methyl malononitrile V and ROH react under the action of the solvent and concentrated sulfuric acid, and products of 2-diester methylmalonate compounds I are obtained, wherein MCN is cyanide, M is Na or K, ROH is alkyl alcohol, alkenyl alcohol or a fluoride group containing alcohol, is benzyl alcohol or benzyl alkyl, halogen or nitro substituted benzyl alcohol, or is phenol or C1-C5 containing alkyl, halogen or nitro substituted phenol. The method is unique, the reaction conditions are mild, the reaction process is basically free of by-products, the yield is high, adopted raw materials have extensive sources, and acetaldehyde can be used as the raw material; the synthetic method is applicable to industrial production.
Preparation method of 2-hydroxy acid ester
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Paragraph 0034-0035, (2017/04/11)
The invention relates to a preparation method of 2-hydroxy acid ester and belongs to the technical field of organic synthesis. According to the preparation method of 2-hydroxy acid ester, 2-hydroxy alkyl cyanogens is taken as a raw material to be added to a reaction solution formed by hydrogen chloride, alcohol and water, and after reaction, 2-hydroxy acid ester is obtained. According to the preparation method of 2-hydroxy acid ester, use of a large amount of nonpolar solvent is not needed, and a target product can be obtained by a one-pot method, thus lowering production cost, improving production efficiency and the purify of the target product, and having energy-saving and environment-friendly effects.
Method of manufacturing cyanohydrins
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Paragraph 0072; 0073, (2016/12/26)
Disclosed is a process for producing a cyanohydrin, the process comprising reacting a carbonyl compound with hydrocyanic acid in a buffer solution with a pH less than 7 to obtain the cyanohydrin.
Nickel-Catalyzed Asymmetric Reductive Cross-Coupling between Heteroaryl Iodides and α-Chloronitriles
Kadunce, Nathaniel T.,Reisman, Sarah E.
supporting information, p. 10480 - 10483 (2015/09/28)
A Ni-catalyzed asymmetric reductive cross-coupling of heteroaryl iodides and α-chloronitriles has been developed. This method furnishes enantioenriched α,α-disubstituted nitriles from simple organohalide building blocks. The reaction tolerates a variety of heterocyclic coupling partners, including pyridines, pyrimidines, quinolines, thiophenes, and piperidines. The reaction proceeds under mild conditions at room temperature and precludes the need to pregenerate organometallic nucleophiles.
Synthesis of aldehydic ribonucleotide and amino acid precursors by photoredox chemistry
Ritson, Dougal J.,Sutherland, John D.
supporting information, p. 5845 - 5847 (2013/07/11)
Light work: UV irradiation of a system formed by adding copper(I) cyanide to an aqueous solution of glycolonitrile, sodium phosphate, and hydrogen sulfide efficiently generates aldehyde precursors to the building blocks of RNA and proteins. Copyright
Hydration of alkenes and cycloalkenes in the presence of chromium and copper complexes
Khusnutdinov,Oshnyakova,Shchadneva
, p. 1428 - 1432 (2014/01/06)
Chromium and copper complexes catalyzed hydration of acyclic and cyclic olefins in the presence of carbon tetrachloride at 110-160 C (4-12 h) with formation of the corresponding alcohols.
PROCESS FOR PRODUCTION OF CYANOHYDRIN COMPOUND, AND PROCESS FOR PRODUCTION OF ALPHA HYDROXYESTER COMPOUND
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Page/Page column 6, (2010/10/19)
A process according to the present invention for producing a cyanohydrin compound is a process for producing a cyanohydrin compound by performing a reaction between a carbonyl compound such as an aldehyde compound and hydrogen cyanide in the presence of a catalyst, a content of the carbonyl compound in a reaction system being not more than 50 mol % with respect to the cyanohydrin compound. Thus provided is a process for producing a cyanohydrin compound in good yield from an aldehyde compound and hydrogen cyanide.
PROCESS FOR PRODUCTION OF CYANOHYDRIN COMPOUND, AND PROCESS FOR PRODUCTION OF ALPHA-HYDROXYESTER COMPOUND
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Page/Page column 9, (2010/08/09)
A process according to the present invention for producing a cyanohydrin compound is a process for producing a cyanohydrin compound by performing a reaction between a carbonyl compound such as an aldehyde compound and hydrogen cyanide in the presence of a catalyst, a content of the carbonyl compound in a reaction system being not more than 50 mol% with respect to the cyanohydrin compound. Thus provided is a process for producing a cyanohydrin compound in good yield from an aldehyde compound and hydrogen cyanide.