576-42-1Relevant academic research and scientific papers
Modifications in the nitric acid oxidation of d-glucose
Smith, Tyler N.,Hash, Kirk,Davey, Cara-Lee,Mills, Heidi,Williams, Holly,Kiely, Donald E.
, p. 6 - 13 (2012)
The nitric acid oxidation of d-glucose was reinvestigated in an effort to better understand and improve the oxidation and subsequent work up steps. The oxidation was carried out using a computer controlled reactor employing a closed reaction flask under an atmosphere of oxygen which allowed for a catalytic oxidation process with oxygen as the terminal oxidant. Removal of nitric acid from product included the use of both diffusion dialysis and nanofiltration methodologies. Product analysis protocols were developed using ion chromatography.
Evidence of benzilic rearrangement during the electrochemical oxidation of D-glucose to D-glucaric acid
Ibert, Mathias,Fuerts, Patrick,Merbouh, Nabyl,Feasson, Christian,Marsais, Francis
, p. 512 - 518 (2011)
During the course of the 2,2,6,6-tetramethyl-1-piperidinyloxy free radical-catalyzed electrochemical oxidation of d-glucose to d-glucaric acid a new side-product was observed. This compound was isolated and identified as a tricarboxylic acid of unique structure, which was named maribersonic acid. Its structure was proven by different experiments coupled with several analytical methods, and its appearance during the electrochemical oxidation of d-glucose was rationalized through a thorough study.
METHOD FOR PRODUCING ADIPAMIDE AS INTERMEDIATE FOR PRODUCTION OF RAW MATERIAL FOR BIO-BASED NYLON
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Paragraph 0044-0053, (2020/03/17)
Disclosed is a method for producing adipamide, which may include the steps of: (a) reacting glucose, nitric acid (HNO3), sodium nitrite (NaNO2) and potassium hydroxide (KOH) to produce a glucaric acidpotassium salt, (b) producing glucamide by reacting the glutaric acid potassium salt, with an acidic solution and removing a potassium ion from the glucaric acid potassium salt, (c) preparing an reaction admixture by adding the glucamide and a catalyst to hydrogen halide and acetic acid, and (d) treating the reaction admixture with hydrogen gas in a reactor thereby producing the adipamide.
METHOD OF PREPARING D-GLUCARO-1,4:6,3-DILACTONE
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Paragraph 0065-0067, (2020/03/09)
Disclosed is a method of preparing d-glucaro-1,4:6,3-dilactone using an organic acid or a salt thereof, such that d-glucaro-1,4:6,3-dilactone having high purity can be obtained using potassium glucarate as the organic acid, and simultaneously, the economic efficiency of the preparation process can be remarkably improved.
METHOD OF PREPARING ADIPIC ACID
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Paragraph 0072-0074, (2020/03/23)
Disclosed is a method of preparing adipic acid from d-glucaro-1,4:6,3-dilactone, particularly using a rhenium catalyst and a noble metal catalyst. Further the method may include using an environmentally friendly solvent such as water. Thus, the obtained adipic acid may have high purity as a final product and economic efficiency of the preparation process may be improved.
METHOD FOR PRODUCING ADIPAMIDE AS INTERMEDIATE FOR PRODUCTION OF RAW MATERIAL FOR BIO-BASED NYLON
-
Paragraph 0044-0053, (2020/03/23)
Disclosed is a method for producing adipamide, which may include the steps of: (a) reacting glucose, nitric acid (HNO3), sodium nitrite (NaNO2) and potassium hydroxide (KOH) to produce a glucaric acid potassium salt, (b) producing glucamide by reacting the glutaric acid potassium salt, with an acidic solution and removing a potassium ion from the glucaric acid potassium salt, (c) preparing an reaction admixture by adding the glucamide and a catalyst to hydrogen halide and acetic acid, and (d) treating the reaction admixture with hydrogen gas in a reactor thereby producing the adipamide.
Method of oxidization using nitric acid
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Page/Page column 6, (2008/06/13)
A controlled nitric acid process employing oxygen and nitric acid as co-oxidants is used to oxidize organic compounds subject to nitric acid oxidation, to their corresponding carboxylic acids. Oxidation of some carbohydrates by this process can produce one or more of their corresponding acid forms. The process is carried out at moderate temperatures, typically in the range of 20° C. to 45° C. in a closed reactor, with oxygen gas being introduced into the reaction chamber as needed in order to sustain the reaction. Computer controlled reactors allow for careful and reproducible control of reaction parameters. Nitric acid can be recovered by a distillation/evaporation process, or by diffusion dialysis, the aqueous solution made basic with inorganic hydroxide, and the residual inorganic nitrate removed using a filtration (nanofiltration) device. The method eliminates issues of thermal control of the oxidation, release of nitrogen into the atmosphere, and post-reaction difficulties in the removal of nitric acid and inorganic nitrates.
Process for selective oxidation of primary alcohols
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, (2008/06/13)
Primary alcohols, especially in carbohydrates, can be selectively oxidized to aldehydes and carboxylic acids in a low-halogen process by using a peracid in the presence of a catalytic amount of a di-tertiary-alkyl nitroxyl (TEMPO) and a catalytic amount of halide. The halide is preferably bromide and the process can be carried out at nearly neutral to moderately alkaline pH (5-11). The peracid can be produced or regenerated by means of hydrogen peroxide or oxygen. The process is advantageous for producing uronic acids and for introducing aldehyde groups which are suitable for crosslinking and derivatization.
4-AcNH-Tempo-catalyzed oxidation of aldoses to aldaric acids using chlorine or bromine as terminal oxidants
Merbouh, Nabyl,Bobbitt, James M.,Brueckner, Christian
, p. 64 - 78 (2007/10/03)
The 4-AcNH-TEMPO-catalyzed oxidation of D-glucose to D-glucaric acid using elemental chlorine or bromine as the terminal oxidant is reported. The pH and temperature of the reactions were closely controlled to be between 0-5 deg C and pH 11.5, respectively. Spectroscopically (1H NMR) determined yields of glucarate were greater than 90 percent; yields of crystalline monopotassium D-glucarate (or disodium D-glucarate), isolated and purified by precipitation, were between 70 and 85 percent. Oxidations of mannose to mannaric acid and galactose to mucic acid were also demonstrated.
Facile nitroxide-mediated oxidations of D-glucose to D-glucaric acid
Merbouh, Nabyl,Francois Thaburet, Jean,Ibert, Mathias,Marsais, Francis,Bobbitt, James M
, p. 75 - 78 (2007/10/03)
The oxidation of D-(+)-glucose to D-glucaric acid using the TEMPO-like nitroxide oxidation catalyst, 4-acetamido-2,2,6,6-tetramethyl-1-piperidinyloxy (4-acetamido-TEMPO) was carried out using several oxidizing agents and co-catalyst. The pH and temperature of the reactions were closely monitored to decrease degradations during the oxidation, and several isolation methods were explored.

