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WO/2021/171201A1 |
Disclosed is a process for producing terephthalic acid. The process includes contacting p-xylene with a gaseous stream containing oxygen (O2) in presence of a homogeneous catalyst solution, at a reaction temperature of 180 °C to 195 °C...
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WO/2021/171033A1 |
The invention relates to a process for producing a metal organic framework, wherein the metal organic framework comprises one or more metal ions and one or more organic linkers, wherein the process comprises contacting the one or more me...
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WO/2021/165964A1 |
Industrial fermentation for the production of lactic acid from organic waste combined with chemical recycling of polylactic acid are provided, to obtain lactic acid at high yields.
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WO/2021/164852A1 |
The invention relates to a continuous process for preparing limonene, characterized by isomeriizing beta-pinene or beta-pinene-containing reactants in the presence of acidic catalysts in a trickle be reactor.
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WO/2021/161101A1 |
Disclosed is a method for preparing compound Formula S-1, comprising resolving compound Formula rac-2 with a compound of Formula 3 wherein R1 · R4, m and n are as defined in the disclosure.
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WO/2021/161100A1 |
Disclosed is a method for preparing compound S-1 (S-1) comprising resolving compound rac-2 (rac-2) with a compound of Formula 3 wherein R1, R4, m and n are as defined in the disclosure.
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WO/2021/160470A1 |
The present invention relates to a process for the preparation of aromatic carbonyl compounds of formula I, which can be obtained through reaction of compounds of formula II with molecular oxygen in the presence of a solvent and a cataly...
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WO/2021/161099A1 |
Disclosed are methods for preparing compound S-1 (S-1) from (R)-2-bromobutanoic acid prepared by treating (R)-2-aminobutanoic acid with an alkali metal nitrite compound and hydrobromic acid.
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WO/2021/160649A1 |
Disclosed is a method for preparing compound S-1, from compound S-5; wherein compound S-5 is prepared by treating compound 2 with a tertiary amine and a hydrogen source in the presence of a chiral complex.
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WO/2021/158890A1 |
A method for synthesizing furan-2, 5-dicarboxylate (FDCA2-) is provided. Furan-2-carboxylate is provided with an inorganic base in the form of an inorganic base salt, wherein the furan-2-carboxylate and the inorganic base salt form a mix...
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WO/2021/156406A1 |
The present invention relates to a process for preparing 8-hydroxy-9,10-dioxo-anthracene-1- carboxylic acid. It also relates to a method for preparing an anthraquinone derivative comprising a step for preparing 8-hydroxy-9,10-dioxo-anthr...
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WO/2021/153586A1 |
Trans,trans-muconic acid or an alkyl ester thereof, which serves as a raw material for terephthalic acid or an alkyl ester thereof, is produced by a step in which α-hydromuconic acid or an alkyl ester thereof, which can be derived from ...
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WO/2021/151870A1 |
The invention relates to a method for catalytically producing an alkyl formate, wherein at least one alpha-hydroxy aldehyde, at least one alpha-hydroxy carboxylic acid, at least one carbohydrate, and/or at least one glycoside is reacted ...
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WO/2021/152916A1 |
Provided is a method for producing a catalyst which is used in a gas-phase contact oxidation reaction for producing an unsaturated carboxylic acid such as an acrylic acid and a methacrylic acid from an unsaturated aldehyde such as acrole...
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WO/2021/149788A1 |
Provided is a method for stably providing a high purity R-COF product, the method configured so that a reduction in R-COF yield caused by contamination by impurities is prevented. According to the present invention, provided are: a met...
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WO/2021/148836A1 |
The present invention relates to novel naphthalene-based compounds, to their process of preparation, and to their use as Solid Organic Catalysts (SOC) in lithium-air battery cells to promote oxygen reactions. The invention also concerns ...
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WO/2021/143194A1 |
The present invention relates to a catalyst for a phosgenation reaction and a phosgenation reaction method. The catalyst for a phosgenation reaction of the present invention is a phosphinyl ionic liquid as represented by general formula ...
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WO/2021/145233A1 |
[Problem] To provide a method for producing acrylic acid capable of improving the yield of acrylic acid and lengthening the service life of a catalyst in a method in which acrylic acid is produced by gas-phase catalytic oxidation of acro...
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WO/2021/144423A1 |
The invention pertains to a process for removing lactic acid from an aqueous lactic acid-containing magnesium chloride solution, the weight ratio of magnesium chloride to lactic acid in the aqueous lactic acid-containing magnesium chlori...
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WO/2021/145267A1 |
The purpose of the present invention is to provide a formic acid production method and a formic acid production system that have low cost and high production efficiency. A formic acid production method characterized in that a metal oxide...
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WO/2021/140044A1 |
A process for the preparation of a saturated aliphatic carboxylic acid with 3 to 5 carbon atoms by oxidation of the corresponding aldehyde with oxygen in which (a) the corresponding aldehyde is converted with oxygen at a temperature of 4...
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WO/2021/141133A1 |
A catalyst containing molybdenum, bismuth, and cobalt as essential components, wherein in an X-ray diffraction pattern which is obtained using CuKα radiation as an X-ray source, the sum (S) of peak intensity ratios as represented by the...
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WO/2021/140869A1 |
Provided is a method for efficiently obtaining an organozinc catalyst. More specifically, the present invention provides a method for producing an organozinc catalyst that includes reacting an inorganic zinc compound and an aliphatic car...
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WO/2021/138549A1 |
Provided are methods or processes for producing ferulic acid from a plant material, for example, a rice bran or its derivatives. Provided are methods comprising an ion swapping and solvent extraction process followed by a chromatographic...
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WO/2021/138054A1 |
A process for making a high purity salt comprises the steps of providing an organic compound, providing a metal salt, adding the metal salt and organic compound to an aqueous medium, heating the reaction mixture to react the organic comp...
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WO/2021/135387A1 |
The present invention relates to an amorphous alloy-based process for use in supercritical CO2 hydrogenation. A solvent and an organic amine are mixed in a reaction vessel to form a solution, an amorphous alloy is selected to serve as a ...
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WO/2021/129233A1 |
A method for preparing a natural ferulic acid by using oryzanol-containing saponin as a raw material, comprising the following steps to prepare a natural ferulic acid: hot-dissolving with alkali and alcohol and filtering, acid precipitat...
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WO/2021/130162A1 |
The present invention refers to a co-crystal of Ketoprofen Lysine named Form 4, a pharmaceutical composition comprising said co-crystal, a process for its preparation and to its use in the treatment of pain and inflammatory diseases.
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WO/2021/130316A1 |
The present invention relates to a composition comprising at least an ether carboxylic acid. The present invention also relates to the method for obtaining of the composition and to the use of the composition in industrial applications s...
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WO/2021/129651A1 |
Disclosed is a novel 2-[4-[(E)-(2-ketocyclohexenyl)methyl]phenyl]propionic acid crystal, filling the vacancy of crystal form disclosures at present. In addition, the present crystal form is less likely to absorb moisture and is stable un...
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WO/2021/129082A1 |
The present invention relates to the technical field of organic synthesis, and disclosed is a method for synthesizing an α-acrylic acid compound by using palladium to catalyze carbon dioxide and alkyne. The method comprises: adding an a...
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WO/2021/127743A1 |
The present disclosure relates to substituted hydroxystilbene compounds and derivatives, specifically 2-substituted hydroxystilbene compounds and derivatives, the synthesis of such compounds and their use in therapy.
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WO/2021/128063A1 |
A deep oxidation olefin catalyst, a preparation method therefor and an application thereof, which relate to a method for catalyzing the deep oxidation of carbon-carbon double bonds in unsaturated organic compounds and further relate to a...
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WO/2021/120982A1 |
The present invention relates to a method for preparing m-phenylenediamine, comprising the following steps: (1) using meta-xylene as a starting material, preparing isophthalamide; (2) reacting the isophthalamide with hypohalite or haloge...
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WO/2021/122642A1 |
The present disclosure relates generally to processes for separating an effluent in an acetic acid production unit. Accordingly, one aspect of the disclosure provides a process including transferring at least a portion of a carbonylation...
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WO/2021/126549A1 |
A magnesium citrate glycinate co-salt has a formula of Mg2C8H9NO9 - X H2O and a suggested structure of Formula I. The magnesium citrate glycinate co-salt has an apparent density of 1740 kg/m3 and is compressible in a range of compression...
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WO/2021/119899A1 |
A process for producing a supported catalyst comprising metal nanoparticles, said process comprises the following steps: (a) preparing a supported catalyst comprising metal nanoparticles; (b) peducing the catalyst of step (a); (c) treati...
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WO/2021/119389A1 |
Disclosed are methods for polypropylene decomposition. Also disclosed are products obtained from the decomposition polypropylene including carboxylic acids, dicarboxylic acids, nitro-substituted carboxylic acids and dicarboxylic acids; a...
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WO/2021/115264A1 |
The invention relates to the technical field of biomass resource utilization, and in particular, to a method for preparing levulinic acid by molten salt hydrate-based cellulose hydrolysis. First, an inorganic salt and water are prepared ...
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WO/2021/112405A1 |
The present invention relates to an isomerization method of a cyclohexane dicarboxylic acid (CHDA) and, more specifically, to a method for preparing a trans-cyclohexane dicarboxylic acid (t-CHDA) from a cis-cyclohexane dicarboxylic acid ...
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WO/2021/110929A1 |
The presented invention relates to crystalline Forms (I) or (II) or (III) or (IV) of sodium salt of Bempedoic acid, processes for preparation thereof and a composition comprising it.
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WO/2021/113608A1 |
A system and method with a solid oxide electrolysis cell (SOEC), including feeding carbon dioxide and an olefin to the SOEC and discharging carbon monoxide and an olefin oxide from the SOEC, wherein the olefin oxide corresponds to the ol...
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WO/2021/103894A1 |
Disclosed are a molybdenum-vanadium composite oxide catalyst, a preparation method therefor and a use thereof. In the catalyst, X is selected from Nb, Sb, Te, Zn, Ca, and Bi; Y is selected from Nd, La, Ce, W, and Cu; and Z is selected fr...
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WO/2021/105038A1 |
The invention relates to a mixture containing (meth)acrylic acid and/or (meth)acrylic acid ester having C1 to C8 alkyl and one or more compounds of the general formula (II) as shelf life- and storage stabilizers.
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WO/2021/107015A1 |
The present invention addresses the problem of providing a preparation method with which highly pure 2,2'-bis(carboxymethoxy)-1,1'-binaphthyl can be obtained with good production efficiency. As a solution, the present invention provides ...
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WO/2021/107016A1 |
The present invention addresses the problem of providing a production method by which high purity 2,2'-bis(carboxymethoxy)-1,1'-binaphthyl can be obtained. A solution to this problem is a method for producing 2,2'-bis(carboxymethoxy)-1,1...
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WO/2021/104355A1 |
Provided are impurities (I) and (II) of dugliptin L-tartrate and preparation methods thereof. Impurities (I) and (II) are the oxidative impurities of dugliptin L-tartrate, and generate during the preparation and storage of dugliptin L-ta...
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WO/2021/105337A1 |
The present invention relates to a process for synthesizing large scale a compound of formula (I), or pharmaceutically acceptable salt thereof, which is useful as the key intermediate for the synthesis of compounds for prophylaxis and tr...
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WO/2021/101810A1 |
Various processes for preparing aldaric acids, aldonic acids, uronic acids, and/or lactone(s) thereof are described. For example, processes for preparing a C2-C7 aldaric acid and/or lactone(s) thereof by the catalytic oxidation of a C2-C...
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WO/2021/099425A1 |
The present invention is related to a method for the production of a dicarboxylic acid, wherein the method comprises - a bioconversion step, wherein in the bioconversion step, the dicarboxylic acid is produced from a precursor compound c...
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