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WO/2022/138915A1 |
Provided is a refined rosmarinic acid-containing composition production method that enables obtaining of a highly transparent aqueous solution by reducing the amount of luteolin while causing rosmarinic acid to remain.　This refined ros...
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WO/2022/138748A1 |
The present invention provides a labeling method that comprises a step for labeling a substrate, which has a carbon-hydrogen bond, with an oxygen isotope with use of a catalyst and an oxidant that is produced from a hypervalent iodine co...
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WO/2022/136227A1 |
There is provided a method for preparing homofarnesol (1), the method comprising the steps of: a) providing homofarnesylnitrile (2); b) reacting homofarnesylnitrile (2) to homofarnesic acid (3); and c) reacting homofarnesic acid (3) to h...
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WO/2022/134297A1 |
The present invention relates to a preparation method for a carboxylate ester compound, comprising: under the catalysis of a nitrite ester, reacting carboxylic acid and methanol in air, so as to obtain an ester compound. The preparation ...
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WO/2022/131378A1 |
A novel method for producing a fluorinated organic compound is provided. The method for producing a fluorinated organic compound comprises a step in which a compound represented by formula (1) (wherein R1 and R2 are each independently a ...
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WO/2022/122267A1 |
The invention concerns an oleyl alcohol, wherein the oleyl chain is obtained from a mixture of 1:9 to 6:4, preferably 2:8 to 5:5 of oil (1) : oil (2) by hydrogenation of a fatty acid, a fatty acid methyl ester or a combination thereof to...
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WO/2022/115926A1 |
The present invention relates to the production of biodiesel from seeds of the rubber tree, Hevea brasiliensis. More specifically, the use of oil extracted from within rubber tree seeds, which, after acidity treatment, is subjected to an...
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WO/2022/119070A1 |
The present invention relates to a catalyst system for preparing a carbonate derivative, comprising selenium (Se) and a pyridine amine compound represented by structural formula 1. The catalyst system for preparing a carbonate derivative...
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WO/2022/119792A1 |
Disclosed is a process for preparing 2,2,4,4-tetramethylcyclobutane- 1,3-diol by reacting 2,2,4,4-tetramethylcyclobutanedione with isobutanol in the presence of a tandem transfer hydrogenation and Tischenko reaction catalyst.
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WO/2022/119706A1 |
A process for preparing aldehydes from methanol includes introducing a feed stream comprising methanol and hydrogen gas into a reaction zone of a first reactor, converting the feed stream into an intermediate stream comprising C2 to C4 o...
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WO/2022/118242A1 |
A depolymerization reaction of a polyester input with an organocatalyst and an alcohol solvent produces (i) a recycled monomeric or oligomeric diester from the polyester, (ii) the organocatalyst for reuse, and (iii) the alcohol solvent, ...
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WO/2022/115400A1 |
Provided herein are processes for synthesizing intermediates useful in preparing Mcl-1 inhibitors. In particular, provided herein are processes for synthesizing compound IA, wherein R1 is described herein. Compound IA can be useful in sy...
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WO/2022/114577A1 |
The present invention relates to a method for producing heterogeneous linear carbonates, comprising a step in which transesterification of dimethyl carbonate (DMC) and Ethanol (EtOH) is carried out in the presence of a catalyst, the cata...
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WO/2022/114592A1 |
The present invention relates to a method for producing heterogeneous linear carbonates, the method comprising a step of conducting transesterification of ethanol (EtOH) and dimethyl carbonate (DMC) in the presence of a catalyst, wherein...
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WO/2022/112715A1 |
The present invention relates to the field of recycling PET-type plastics commonly used for the manufacture of disposable plastic bottles, food trays, textiles, etc. More specifically, it relates to a method for converting PET into dimet...
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WO/2022/109716A1 |
It is provided a process of converting syngas resulting from the gasification of a carbonaceous material into acetic acid and acrylic acid comprising converting the syngas into methanol and separating the methanol into a first and second...
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WO/2022/114578A1 |
The present specification provides a method for preparing heterogeneous linear carbonates comprising the step of transesterifying aliphatic alcohol and a symmetric linear carbonate in the presence of a catalyst, wherein the catalyst is a...
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WO/2022/113423A1 |
Provided is a reactor device in which a fixed bed multi-tubular reactor is used to produce alkenyl acetate through a gas phase catalytic oxidation reaction of a lower olefin, acetic acid, and oxygen, and which enables accurate measuremen...
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WO/2022/114576A1 |
The present invention relates to a method for preparing heterologous linear carbonates, the method comprising the steps of: subjecting dimethyl carbonate (DMC) and ethanol (EtOH) to transesterification in the presence of a catalyst; and ...
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WO/2022/113429A1 |
Provided is a method for manufacturing a catalyst with which it is possible to manufacture vinyl acetate at a remarkably high selection rate while ensuring a high catalyst activity. A method for manufacturing a catalyst for manufacture o...
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WO/2022/114591A1 |
The present specification provides a method for preparing a heterogeneous linear carbonate, comprising a step of subjecting a fatty alcohol and a symmetrical linear carbonate to an ester exchange reaction in the presence of a catalyst, w...
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WO/2022/108049A1 |
The present invention relates to a method for preparing a diester-based material and, more specifically, to a method for preparing a diester-based material which is performed as a process of continuously preparing a diester-based materia...
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WO/2022/104580A1 |
Provided is a mordenite molecular sieve, and a preparation method and use therefor. The mordenite molecular sieve is selected from any one of the following anhydrous chemical formulas; RaQbMC(SixAly)O2, wherein R is a first templating ag...
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WO/2022/105199A1 |
Disclosed are a palladium-based catalyst, a preparation method therefor and the use thereof. The palladium-based catalyst contains an active component and a carrier, wherein the carrier is activated carbon with the surface connected with...
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WO/2022/107463A1 |
One objective of the present invention is to provide a novel method for producing a ketone derivative. Provided is a method for producing a ketone derivative (I) represented by formula (I), the method comprising a step for forming a keto...
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WO/2022/107865A1 |
[Problem] To provide a 11C-labelled acyclic retinoid that can be efficiently synthesized in a short amount of time and is suited to elucidating intracerebral kinetics using PET, a PET probe that uses the retinoid, and production methods ...
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WO/2022/108048A1 |
The present invention relates to a method for preparing a diester compound and, more specifically, to a method for preparing a diester compound, in which the method is performed through a continuous process comprising a reaction section ...
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WO/2022/108051A1 |
The present invention relates to a method for preparing a diester compound and, more specifically, to a method for preparing a diester compound, in which the method is performed through a continuous process comprising a reaction section ...
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WO/2022/105047A1 |
A quaternary phosphonium salt polymer loaded bimetallic monatomic catalyst, and a preparation method and a use. The quaternary phosphonium salt polymer loaded bimetallic monatomic catalyst comprises a first metallic active component, a s...
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WO/2022/108050A1 |
The present invention relates to a method for preparing a diester-based material and, more specifically, to a method for preparing a diester-based material, the method comprising the steps of: conducting a continuous-type production proc...
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WO/2022/099826A1 |
The present invention relates to a Gemini polyoxyethylene ether succinate surfactant for oil displacement and a preparation method therefor. The present invention is characterized in that the surfactant is a Gemini alkylphenol polyoxyeth...
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WO/2022/101025A1 |
The present invention relates to a two-component system for chemically fastening an anchoring means in a drill hole by a dual cure process. The dual cure process is a combination of radical polymerization and ring-opening olefin metathes...
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WO/2022/101287A1 |
A method for generating a carboxylic acid from carbon dioxide (CO2), the method includes (a) feeding a gas stream having the CO2 to a first reactor having a base (MOH) to produce bicarbonate (MHCO3) and (b) feeding the MHCO3 generated in...
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WO/2022/097813A1 |
The present invention relates to an eco-friendly and highly efficient method for preparing an ester compound based on an esterification reaction using a salt ion-exchange method, and an ester compound thereof. In conventional esterificat...
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WO/2022/098824A1 |
The invention relates to methods for the synthesis of hydroxy fatty acids from unsaturated fatty acids via epoxidation and catalytic hydrogenation.
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WO/2022/097115A1 |
The present invention relates to an improved and efficient process for the preparation of Prohexadione and its calcium salt of formula (I). The present invention further relates to a one step process for preparation of ethyl 3,5-dioxo-4-...
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WO/2022/097903A1 |
The present invention relates to a method for purifying bis-2-hydroxylethyl terephthalate and to providing polyester resin comprising same.
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WO/2022/089534A1 |
The present invention relates to a method for preparing a synthetic-organic-ester-type base oil and the use thereof. The method involves weighing reactants and an auxiliary agent for an esterification reaction, wherein the reactants are ...
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WO/2022/088583A1 |
The present invention provides 5-methylchromone, and a preparation method therefor and an application thereof. The 5-methylchromone has the following structure as shown in the formula, wherein R1 and R2 are alkyl. The substituted chromon...
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WO/2022/088286A1 |
Provided are a water-soluble controllable antibacterial substance and synthesis process. Provided is the water-soluble controlled antimicrobial substance R-(-)-3-hydroxybutyrate ethyl oligomer, having a pH value near neutral, the degree ...
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WO/2022/094420A1 |
Disclosed herein are deuterated compounds and transition metal catalyzed methods for making deuterated compounds. The disclosed methods are regioselective and enantioselective and may be utilized to prepare isomerically and/or enantiomer...
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WO/2022/090714A1 |
The invention relates to compounds of formula (I) and to their use in treating or preventing an inflammatory disease or a disease associated with an undesirable immune response: wherein RA1, RA2, RA3, RB, RC, RD, m, n and p are as define...
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WO/2022/094247A1 |
The present disclosure provides processes for making pleuromutilins.
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WO/2022/084046A1 |
The present invention relates to a process for preparing methyl methacrylate (MMA) and/or methacrylic acid (MAS) with improved yield, comprising the process steps of amidation, conversion and hydrolysis/esterification, especially high yi...
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WO/2022/085211A1 |
The present invention provides a method for producing a compound represented by formula (I), the method comprising: (a) a step for obtaining the compound represented by formula (I) as crystals by reacting, in a hydrated ketone solvent an...
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WO/2022/083024A1 |
According to the present invention, a photo-thermal dual-curing epoxy resin is prepared by one-step reaction of bio-based itaconic acid with an epoxy resin. Epoxy groups are arranged on both ends of the resin, double bonds are arranged o...
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WO/2022/084032A1 |
The invention relates to an improved process for synthesizing alkyl methacrylates, in particular methyl methacrylate (MMA), involving reacting acetone cyanohydrin (ACH) and sulfuric acid in a first reaction stage (amidation) and heating ...
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WO/2022/085384A1 |
The present invention addresses the problem of providing a novel ruthenium complex, in which addition of a base during catalyst activation is not necessary, which exhibits excellent crystallinity and stability, for which large scale synt...
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WO/2022/082937A1 |
A diester structure monomer and a preparation method therefor and an application thereof in ArF photoresist formulation. The preparation method for the diester structure monomer comprises the following steps: dissolving a glycolic acid e...
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WO/2022/083395A1 |
The present invention relates to a vinyl acetate production process and device. The composition of circulating gas is changed by providing a stabilization process, an acetic acid recovery system, and a desorption system and device, thus ...
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