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WO/2020/083118A1 |
Disclosed are a system and a process for rapid extraction and refining of ethyl acetate after synthesis by pressurized esterification, comprising a reaction rectification tower, a refining tower, a deacidification tower and a recovery to...
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WO/2020/082202A1 |
A reactor having a large-scale dimethyl oxalate or ethylene glycol production capacity is provided．The reactor comprises a shell，a gas distribution member，an internal heat exchange member，a inlet pipe member and an outlet pipe me...
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WO/2020/084266A1 |
The invention relates to biobased anti-UV molecules. In particular, the invention relates to a novel process for preparing b-b dimers having anti-UV and antioxidant properties, from p-hydroxycinnamic esters and amides disubstituted in th...
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WO/2020/082200A1 |
The invention relates to a carbonylation catalyst for synthesizing an oxalate from carbon monoxide (CO) and nitrite in a gas phase is provided. The catalyst comprises an active component, an auxiliary agent and a carrier. The active comp...
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WO/2020/086426A1 |
Disclosed are methods of extracting and purifying capsinoids (e.g., capsiate, dihydrocapsiate) from Capsicum species fruit involving drying (e.g., freeze drying) the fruit to produce dried fruit and grinding the dried fruit to produce po...
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WO/2020/082199A1 |
The invention relates to a catalyst for synthesizing an oxalate by a CO coupling reaction. The catalyst comprises an active component, an auxiliary agent and hollow microspheres of α-Al2O3 as a carrier. The auxiliary agent may comprise ...
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WO/2020/079411A1 |
The invention relates to a composite oxide comprising CaO stabilised by Ca3AI2O6 (C3A), wherein the composite is in the form of particles. The mixed oxide composite is useful as a catalyst in the transesterification of triglycerides, e.g...
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WO/2020/076920A1 |
The present disclosure provides compositions and methods for metathesizing a first alkenyl or alkynyl group with a second alkenyl or alkynyl group, the composition comprising a ruthenium metathesis catalyst and a photoredox catalyst that...
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WO/2020/074945A1 |
The present invention provides a plasticizer for vinyl chloride resins which has good compatibility with vinyl chloride resins, and further which may be used to provide a vinyl chloride resin composition capable of being formed into an a...
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WO/2020/063894A1 |
An industrialization method for comprehensive utilization of stevia rebaudiana. The major improvement is in that the stevia rebaudiana is extracted by using a high-concentration alcohol solution, then the extracted solution is purified b...
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WO/2020/063892A1 |
Disclosed is an industrial method for simultaneously preparing stevia rebaudiana chlorogenic acid and stevioside. The industrial method includes carrying out alcohol extraction on stevia rebaudiana which is used as a raw material, and th...
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WO/2020/067391A1 |
The present invention addresses the problem of providing a production method that is for a polycyclic dicarboxylic acid monoester and comprises collecting a polycyclic dicarboxylic acid existing as an unreacted raw material or impurity, ...
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WO/2020/059634A1 |
The purpose of the present invention is to provide an intermediate production method capable of efficiently producing an intermediate containing a compound (I) at a high concentration. An intermediate production method according to the p...
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WO/2020/059824A1 |
A method for producing a boron-containing conjugated polyene compound, the method being provided with a step for reacting a first raw material compound that has a carbon-carbon triple bond and a second raw material compound that has a 1,...
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WO/2020/056564A1 |
Disclosed is a method for preparing a 1,3-dicarbonyl compound based on a metal hydride/palladium compound system. The method comprises the following steps: suspending a palladium compound and a metal hydride in a solvent under the protec...
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WO/2020/058505A1 |
The present invention relates to an isomerization method for alkenes, comprising of reaction an alkene with a Ni(I)-compound. By this method, E-Alkenes are obtained in excellent yield.
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WO/2020/058725A2 |
A method for preparing a partially fluorinated ester comprising acyl and alkoxy groups wherein the acyl group comprises a branched or linear fluorine containing C3-C8 group with one of the structures: (Formulae (I), (II)) wherein X and Y...
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WO/2020/056565A1 |
Provided is an application of a metal hydride/palladium compound system in the preparation of a 1,3-dicarbonyl compound in a cascade reaction of an electron-deficient alkene compound, said reaction comprising the following steps: under t...
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WO/2020/051855A1 |
Disclosed are a reduction method and reduction product of an alkenyl active methylene compound. The reduction reaction comprises the following steps: taking an alkenyl active methylene compound as a substrate, a metal hydride as a reduci...
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WO/2020/054874A1 |
[Problem] To provide a photopolymerization sensitizer which exhibits sufficient photocuring speed during practical use, without causing problems such as staining or powder on the cured article or the appearance of an additive such as the...
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WO/2020/054116A1 |
[Problem] To provide a photopolymerization sensitizer which exhibits sufficient photocuring speed during practical use, without causing problems such as staining or powder on the cured article or the appearance of an additive such as the...
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WO/2020/050339A1 |
Provided is an industrially useful method for manufacturing (1R,2S)-2-{[((2,4-dimethylpyrimidine-5-yl)oxy}methyl]-2-(3-f
luorophenyl)-N-(5-fluoropyridine-2-yl)cyclopropane-1-carboxa
mide. In the present invention, (1R,2S)-2-{[((2,4-dimet...
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WO/2020/050271A1 |
The present invention relates to: a transition metal complex having a PNNP4 ligand that is easily manufactured and handled and that is relatively inexpensive to procure, and a method for manufacturing the same; a method for performing hy...
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WO/2020/049502A1 |
Catalyst compositions comprising catalytic nanoparticles including copper distributed, dispersed on, or mixed with a promoter including magnesium oxide. Pre-catalyst compositions comprising nanoparticles including copper oxides or copper...
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WO/2020/050368A1 |
The purpose of the present invention is to provide: a method for preparing a Vilsmeier reagent, that can be carried out safely, easily, and at a low cost; and a method for producing an aromatic aldehyde or an aromatic ketone, a carboxyli...
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WO/2020/038428A1 |
A catalyst used for producing methyl glycolate by using dimethyl oxalate plus hydrogen and a preparation method and an application thereof. The catalyst comprises the following components in percentage by weight: 65-90% of silicon dioxid...
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WO/2020/035960A1 |
The method for purifying a polymerizable fluoromonomer represented by formula (1) according to the present invention is characterized by incorporating phenolic compound A, e.g., 6-tert-butyl-2,4-xylenol, and phenolic compound B, e.g., 2,...
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WO/2020/035519A1 |
The invention relates to a process for preparing a cycloaliphatic diester, a process for preparing a polyester carbonate using a cycloaliphatic diester, the use of a cycloaliphatic diester for preparing polyester carbonates, and a polyes...
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WO/2020/034038A1 |
Catalysts and methods for use in conversion of glycerides and free fatty acids to biodiesel are described. A batch or continuous process may be used with the catalysts for transesterification of triglycerides with an alkyl alcohol to pro...
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WO/2020/035315A1 |
The invention relates to a method for preparation of (meth)acrylic acid esters from (meth)acrylic acid anhydrides.
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WO/2020/035561A1 |
The application relates to a process for preparing a (meth)acrylic acid diester by reacting a (meth)acrylic acid anhydride with an epoxide in the presence of a catalyst system comprising a first and/or second catalyst in combination with...
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WO/2020/030374A1 |
The present invention relates to a process for producing methacrylic acid or methacrylic acid esters. The present invention is directed to a new process for the production of methacrylic acid or alkyl methacrylate starting from Acrolein,...
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WO/2020/032271A1 |
The present invention relates to a production method for polyvalent alcohol ester compounds. The production method is characterized in that a monocarboxylic acid ester or a polycarboxylic acid ester of a polyvalent alcohol is selectively...
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WO/2020/024078A1 |
The present application provides a medicament having an anti-inflammatory bowel disease function, and a preparation method therefor and an application thereof. The medicament has a structure as represented in formula I or formula II. The...
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WO/2020/022365A1 |
A method for producing 1-acyloxy-2-methyl-2-propene, which is represented by general formula (II), by reacting a carboxylic acid represented by general formula (I), isobutylene and oxygen while in a liquid phase and in the presence of a ...
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WO/2020/019283A1 |
The present invention relates to a propylene glycol methyl ether acetate rectification system and rectification method. The crude product, from which light components have been removed in the previous step, is continuously conveyed into ...
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WO/2020/022364A1 |
A method for producing 1,3-bisacyloxy-2-methylene propane, which is represented by general formula (II), by reacting a carboxylic acid represented by general formula (I), isobutylene and oxygen in a liquid phase while in the presence of ...
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WO/2020/019271A1 |
The present invention relates to the technical field of environmentally friendly solvents, and specifically discloses a method for preparing trimellitic acid triester by means of a continuous esterification method, comprising: heating tr...
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WO/2020/021364A1 |
Processes for producing a disubstituted oxalate and/or disubstituted carbonate are disclosed. The processes use a water removal agent to tune the amount of disubstituted oxalate and/or disubstituted carbonate in the product mixture. One ...
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WO/2020/020873A1 |
The invention relates to a process for preparing a compound of (III) wherein X is a leaving group; and R1 is C1-C6 alkyl; which comprises oxidative rearrangement of a compound of formula (II) or a solvate thereof Compounds of formula (II...
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WO/2020/018581A1 |
Methods for the preparation of alkenes including insect pheromones are described. The methods include homologation reactions employing reagents such as 1,3-diesters, epoxides, cyanoacetates, and cyanide salts for elongation of starting m...
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WO/2020/012806A1 |
The present invention provides a carboxylic ester compound represented by formula (1), which is useful as a perfume ingredient or as a material for mixture perfumes. (In formula (1), R1 is -COOR, where R is a C1-4 alkyl group.)
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WO/2020/007856A1 |
The present invention is directed towards a process for the selective acylation of a primary hydroxy group in a compound that may optionally further comprise at least one secondary hydroxy group and/or one tertiary hydroxy group comprisi...
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WO/2020/007808A1 |
A process for producing a mixture including acrylic acid or derivatives thereof, the process including the step of contacting a mixture of lactic acid or derivatives thereof and a solvent over a dehydration catalyst to produce the mixtur...
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WO/2020/009016A1 |
The present invention provides a method for producing an organic compound in which functional groups are reacted with each other without the use of a solvent. The present invention pertains to a method for producing an organic compound c...
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WO/2020/009593A1 |
A method of obtaining a new crystalline form of insulin glargine with a zinc content corresponding to a molar ratio of zinc to insulin of 1:3 is disclosed, which should find applications in making pharmaceutical preparations intended for...
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WO/2020/001047A2 |
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WO/2020/005693A1 |
A heterogeneous catalyst comprising a support and gold, wherein: (i) said support comprises titanium, (ii) said catalyst comprises from 0.1 to 5 wt% of gold, (iii) at least 90 wt% of the gold is in the outer 60% of catalyst volume, and (...
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WO/2020/006340A1 |
The invention relates to chemically reactive and/or biologically active compounds, reagents and compositions thereof. More particularly, the invention provides novel reagents that are useful in chemical synthesis, functionalization, deli...
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WO/2020/002999A2 |
The present disclosure relates to the formation of dimethyl terephthalate (DMT). The present invention also relates to the depolymerization of polyethylene terephthalate (PET) and the recovery of dimethyl terephthalate (DMT).
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