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WO/2024/054881A1 |
The application discloses industry scalable methods of using bifunctional bidentate pyridone-carboxylic acid ligands, such as 2-methyl-2-(6-oxo-1,6-dihydropyridin-2-yl)propanoic acid, that enable room-temperature Pd-catalyzed C-H hydroxy...
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WO/2024/041972A1 |
The present invention concerns proteins having improved lipase activity, nucleic acid molecules encoding respective proteins having improved lipase activity and methods for stereo-selective synthesis of chiral amines or increasing of chi...
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WO/2023/232002A1 |
Disclosed in the present invention is a method for preparing a carboxylate compound by means of the direct oxidation and esterification of alcohol under the catalysis of iron with oxygen or air as an oxidant. The method comprises: under ...
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WO/2023/225645A1 |
The present disclosure pertains to a new synthetic method for the preparation of lactones, an important class of organoleptic compounds which find use in the flavor and fragrance industries.
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WO/2023/196806A1 |
A hydrocarbon compound and carbon monoxide are reacted in the presence of either a supported chromium (VI) catalyst or a supported chromium (II) catalyst, optionally with UV-visible light irradiation and/or exposure to an oxidizing atmos...
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WO/2023/178538A1 |
The present invention relates to the field of pharmaceutical chemical engineering, in particular to a method for purifying a levetiracetam intermediate, which comprises the following steps: (1) hydrolyzing and acidifying a crude product ...
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WO/2023/180786A1 |
The invention relates to a method of manufacture of a thermoset polymer foam that is at least from 50 to 100 percent by weight of renewable raw material resources and to the foam obtained by the method. Foam is obtained from a two-compon...
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WO/2023/164848A1 |
Provided are a catalyst loaded with a TEMPO compound, and a preparation method therefor and the use thereof. The catalyst loaded with a TEMPO compound uses a polymer resin as a carrier, wherein the polymer resin is a polystyrene resin co...
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WO/2023/157699A1 |
This method for supporting operation of a multitubular reactor or a preparation action thereof including a plurality of reaction tubes configured to produce at least one of unsaturated aldehyde and unsaturated carboxylic acid by oxidatio...
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WO/2023/157862A1 |
Provided is a method for producing α-fluoroether starting from an inactivated chloride. Disclosed is a method for producing a compound represented by formula (3), the method comprising step A in which a compound represented by formula (...
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WO/2023/157700A1 |
This method for supporting air treatment in a multitubular reactor including a plurality of reaction tubes for producing at least one of unsaturated carboxylic acid and unsaturated aldehyde by means of an oxidation reaction using a catal...
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WO/2023/144482A1 |
The present invention relates to a process for hydrogenating esters in the presence of a manganese catalyst, and to a manganese catalyst that can be used for carrying out said process.
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WO/2023/136721A1 |
The present invention relates to a method for obtaining a monomer by degrading a polymer, the polymer being a homo or copolymer of the monomer, the method comprising the steps of providing the polymer and a solvent as a reaction mixture ...
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WO/2023/125667A1 |
Described herein is the preparation of a compound for treating gout or hyperuricemia and chemical intermediates used in the synthetic process.
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WO/2023/122724A1 |
The present disclosure pertains to a new synthetic method for the preparation of 3,6-dimethylhexahydrobenzofuran-2-one, a derivative of mint lactone, and an important organoleptic compound which finds use in the flavor and fragrance indu...
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WO/2023/101592A1 |
A molecule having a formula (7) for use as a fuel in a combustion engine: and wherein said molecule is a di(2-ethylhexyl) ether.
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WO/2023/061999A1 |
The present invention discloses a distinct mode of action of a nickel catalyst to forge C-0 bonds to unlock the mild utilization of N2O as O-atom transfer reagent in the synthesis of complex phenols from the corresponding aryl halides.
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WO/2023/044884A1 |
Disclosed is a method for synthesizing a diaryl ether by reacting a nickel/ketone double-catalyzed halogenated aromatic hydrocarbon with an arylphenol, comprising: under the protection of an inert gas, adding a halogenated aromatic hydro...
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WO/2023/040105A1 |
Disclosed is a preparation method for a green visible light-catalyzed acetate compound. In this method, an LED lamp is used as a light source to provide energy, economically available primary, secondary, and tertiary alcohols are used as...
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WO/2023/017202A1 |
Method for directly converting methane and carbon dioxide into oxygenated hydrocarbons with more than one carbon atom The present invention relates to a method for directly converting methane and carbon dioxide into, preferably, oxygenat...
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WO/2023/283207A1 |
An improved process and catalyst are provided for making an FDCA diester monomer product with improved productivity compared to an autocatalyzed esterification but with comparable or at least not greatly diminished color properties compa...
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WO/2022/204490A1 |
Ferrocenyl-based unsymmetrical ligands containing di(l-adamantyl)phosphino groups with general formula, Fc(Ad2P)(R2P) and corresponding metal complexes, include metal halide complexes, N-biphenyl metal cationic complexes and R-allyl meta...
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WO/2022/178692A1 |
Disclosed in the present invention is a method for preparing 2-iodo aryl ether under the action of alkali metal hydride: adding alkali metal hydride and phenol to a solvent, then adding 1,2-diiodoarene, and reacting at 0-100℃ to obtain...
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WO/2022/175508A1 |
The present invention is directed to methods for the preparation of (CnF2n+1)O-substituted arenes and heteroarenes and the direct perfluoralkoxylation of arenes and heteroarenes with a (CnF2n+1)O-group, respectively, characterized in tha...
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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/2022/149090A1 |
Provided is a method for the production of refined, low-acetal ethanol, comprising providing a fermentation product produced by fermentation of a carbon source with an ethanol-producing organism, which fermentation product comprises betw...
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WO/2022/146970A1 |
Provided herein is process of preparing metopimazine acid by reacting metopimazine, or a pharmaceutically acceptable salt thereof, with human microsomal liver amidase. Also provided herein are methods of treating gastroparesis in a human...
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WO/2022/133314A1 |
Disclosed herein are enzymatic and modified host cell methods for prepared modified indole alkaloids. Also disclosed herein are modified indole alkaloids and their therapeutic use for treating diseases and disorders.
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WO/2022/096875A1 |
The present invention is directed to a process for hydrogenation of an ester-containing substrate, comprising treating an ester-containing substrate with a base and a transition metal catalyst in the presence of molecular hydrogen, where...
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WO/2022/081953A1 |
This disclosure relates to N-substituted Pd(II)-N-heterocyclic carbene-pyridine complexes, methods of preparing the complexes, and methods of using the complexes in Sonogashira coupling reactions.
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WO/2021/250558A1 |
The invention provides an improved process for the preparation of fluoxastrobin and intermediates thereof. The present invention provides a process for the preparation of fluoaxastrobin, 4,6-dichloro-5-fluoro-pyrimidine and diethyl 2-chl...
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WO/2021/237371A1 |
The present application describes process for preparing an ortho-allylated hydroxy aryl compounds such as compounds of Formula (I) by reacting an allylic alcohol with a hydroxy aryl compound in the presence of aluminum compound selected ...
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WO/2021/180611A1 |
A method of making copper (I) 5-nitrotetrazolate (DBX-1) in isolated form comprising: a) reacting bis(ethylenediamine) copper (II) nitrotetrazolate with nitric acid or sulfuric acid to form a reaction product, subsequently b) reducing th...
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WO/2021/172940A1 |
The present invention relates to a method for preparing anhydrosugar alcohol diethers and, more specifically, to a method for preparing anhydrosugar alcohol diethers by reacting an anhydrosugar alcohol with an alkylating agent (for examp...
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WO/2021/161200A1 |
The present invention provides a process for preparation of arthropodicidal anthranilamide compounds. The present invention further relates to one pot process for preparation of anthranilamide compounds.
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WO/2021/103462A1 |
The present invention relates to an intelligent strengthening reaction system and process for preparing isoformaldehyde by using olefin carbonylation, comprising: a reactor, a micro-interface generator, an intelligent control module, and...
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WO/2021/106000A1 |
The invention provides a method of preparing a biaryl-bridged cyclic peptide compound of Formula (I), where R1, R2, R3, R4, R5, R8, R7, R8, R9, R10, R11, R12, n and m are as defined in the specification. The biaryl-bridged cyclic peptide...
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WO/2021/086643A1 |
A carbon pitch or dry coke is produced by reacting a mixture of carbon dioxide and hydrogen in a reactor at a predetermined temperature and pressure with an iron catalyst being fed into the reactor, using a process that also involves pro...
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WO/2021/059287A1 |
A method of oxygenating a benzylic C-H bond is provided. The method comprises light induced activation of an initiator and subsequent reaction with oxygen, resulting in the formation of free radicals. Subsequently, free radicals catalyze...
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WO/2021/046630A1 |
A process for producing THC-O-acetate using a succession of distillation, salting-out assisted liquid-liquid extractions (SALLEs), and solvent recovery techniques. Tetrahydrocannabinol (THC) in cannabis oil dissolved in hexane reacts wit...
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WO/2021/043994A1 |
The present invention relates to an azolium compound of formula (I) and to its use as a precursor of the active catalytic species (carbene) for click chemistry reactions in water.
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WO/2021/031756A1 |
Disclosed is a new method for synthesizing carboxylic acid or ketone compounds from an alcohol or corresponding aldehyde using oxygen or oxygen in the air as an oxidant. Under the catalysis of a nitrate/4-hydroxy-2,2,6,6-tetramethylpiper...
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WO/2021/022469A1 |
The present invention provides a continuous synthesis-purification integrated device and a continuous reaction system containing the same. The continuous synthesis-purification integrated device comprises: a reaction section, a purificat...
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WO/2021/010878A1 |
Use of a method for reduction of heavy end formation and catalyst loss in a hydroformylation process, wherein the method comprises the steps; a) Reacting an olefin and syngas in a reactor assembly (1) utilizing at least one catalyst and ...
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WO/2021/006795A1 |
The present invention refers to a method for reducing heavy end formation and catalyst loss in a continuous hydroformylation process, where an olefin or an olefin mixture is reacted with carbon monoxide and hydrogen in a reactor assembly...
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WO/2021/006792A1 |
The present invention refers to the use of an epoxide in order to reduce the formation of heavy ends in: a continuous hydroformylation process, where an olefin or olefin mixture is reacted with carbon monoxide and hydrogen in the presenc...
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WO/2020/248127A1 |
A borohydride reduction stabilizing system and a method for reducing an ester to an alcohol. The borohydride reduction stabilizing system comprises: a borohydride reducing agent and a stabilizing agent for stabilizing the borohydride red...
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WO/2020/212928A1 |
The present invention relates to a process for the preparation of strobilurin of compounds of Formula (I) of and its intermediates using 1,5,7-triazabicyclo[4.4.0]dec-5-ene or salts thereof, or derivatives thereof as a catalyst. The pres...
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WO/2020/172506A1 |
A new process to synthesis of compound OBI-3424 R-form and S-form products is provided. The "R-form" compound OBI-3423 was first synthesized with 48% overall yield from compound OBI-3424-5 by installation of the labile phosphate motif at...
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WO/2020/129901A1 |
[Problem] To provide a novel method for preparing a ketone compound. [Solution] Provided is a method for preparing compound (I) represented by formula (I), the method comprising a step for obtaining compound (I) by reacting compound (II)...
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