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WO/2022/155936A1 |
Disclosed in the present invention is a method for synthesizing an aryl benzyl ether compound, i.e., synthesizing a corresponding aryl benzyl ether compound by means of an oxidative coupling reaction of a phenolic compound and a toluene ...
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WO/2022/157370A1 |
The present invention relates to a continuous method for obtaining 2-ethylhexyl acrylate (2-EHA) from a liquid mixture (1) under an absolute pressure in the range from 0.5 to 100 bar which has a temperature in the range from 0 to 300°C,...
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WO/2022/157338A1 |
Method for the production of cannabinoid acid esters of general formula (I) or (II) or (III) or (IV), wherein R1 consists of a straight or branched alkyl group, alkenyl group or alkynyl group having from 1 to 5 carbons, during the simult...
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WO/2022/155932A1 |
Disclosed is an application of an iron (III) complex containing 1,3-di-tert-butyl imidazolium cation in synthesizing arylbenzyl ether compounds. Specifically, di-tert-butyl peroxide is used as an oxidant, and a corresponding arylbenzyl e...
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WO/2022/156624A1 |
Disclosed is a production process for producing a plasticizer from PTA oxidation residue. The production process comprises: S1, esterification, involving: adding PTA oxidation residue, octanol and a catalyst into an esterification reacto...
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WO/2022/156623A1 |
Disclosed is a comprehensive utilization process of PTA oxidation residue, the process comprising the following steps: S1, esterification; S2, rectification, involving: carrying out two-stage rectification on an esterification liquid, an...
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WO/2022/156543A1 |
Provided are a composite liquid antioxidant and a preparation method therefor. The composite liquid antioxidant comprises at least two antioxidants, and the antioxidants in the composite antioxidant each independently have the following ...
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WO/2022/155338A1 |
The present invention relates to a novel process for crystallizing high purity lutein and zeaxanthin esters from marigold oleoresin. In another aspect, the present invention relates to the removal of soft and hard waxes by adsorption on ...
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WO/2022/150016A1 |
The present invention relates to processes for depolymerizing a polyester of a dicarboxylic acid and for hydrolyzing a diester of terephthalic acid in the presence of a first base and a solvent mixture into a mono-salt of a monoester of ...
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WO/2022/145617A1 |
Provided is a pharmaceutical composition for cardiovascular treatment comprising a potassium all-trans retinoate compound and a potassium 9-cis retinoate compound. It has confirmed that the pharmaceutical composition is metabolically sta...
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WO/2022/142159A1 |
Disclosed is a preparation method for icetexane type abietane diterpene, comprising the following steps: S1: adding carnosic acid into a methylation system, carrying out solid-liquid separation, and collecting a solid phase to obtain an ...
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WO/2022/136232A1 |
There is provided a method for preparing homofarnesol (1), the method comprising the steps of: a) providing farnesyl chloride (2); b) reacting farnesyl chloride (2) to homofarnesate (3) by alkoxycarbonylation; and c) reacting homofarnesa...
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WO/2022/139288A1 |
The present invention relates to a process for hydrogenation of a phthalate compound. According to the present invention, following the hydrogenation of a phthalate compound, a reaction product can be stably decompressed to isolate and r...
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WO/2022/134287A1 |
The present invention relates to a method for preparing a carboxylic acid ester compound. Under the catalysis of nitrite, an carboxylic acid reacts with an alcohol in air so as to obtain an ester compound; and the alcohol is ethanol, pro...
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WO/2022/138511A1 |
This production method of a fluorine-containing polyether compound involves producing the compound of formula (3) by reacting the compound of expression (1) and the compound of expression (2) in a ratio such that the compound of formula ...
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WO/2022/138670A1 |
Provided are a compound, polymer, composition, film-forming composition, pattern formation method, method for forming insulating films, and compound production method, that yield a resist that exhibits excellent exposure sensitivity. T...
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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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