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WO/2023/176736A1 |
The present invention addresses the problem of providing a novel bisphenol compound that has a further improved refractive index. Provided is a 1,3-bis(1-methyl-1-phenylethyl)benzene compound represented by general formula (1).
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WO/2023/167321A1 |
The present invention addresses the problem of providing mechanochemical reaction additive that can be handled in air, that can be easily synthesized, that when used in a mechanochemical reaction can increase the activity of the mechanoc...
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WO/2023/160035A1 |
A β-elemene vinylation coupled derivative, and a preparation method therefor and the use thereof in the preparation of an antitumor drug. Provided are a β-elemene vinylation coupled derivative having a structure as represented by formu...
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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/2023/157909A1 |
Provided is a novel method for producing a diarylacetylene derivative. An alkyne derivative having aryl substituents at both ends is provided by subjecting a tetrahalogenated ethylene and phenylboronic acid to a cross-coupling reaction...
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WO/2023/153494A1 |
The present invention addresses the problem of providing a new catalyst for selectively generating formamides from urea-based compounds and urethane-based compounds. The present invention pertains to: a complex having a partial structure...
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WO/2023/153933A1 |
The invention relates to the electrochemical synthesis of oxymethylene dimethyl ethers via paired electrolysis.
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WO/2023/149432A1 |
The objective of the present disclosure is to provide a composition with a stabilized fluorine-containing monomer, a method for stabilizing a fluorine-containing monomer, etc. The present disclosure relates to the following composition...
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WO/2023/149559A1 |
[Problem] The present invention provides a catalyst for hydrogenation reactions, the catalyst having excellent catalyst durability and being capable of selectively hydrogenating only some functional groups and/or unsaturated bonds of an ...
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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/2023/134406A1 |
The present invention relates to the technical field of organic synthesis, in particular to a preparation method for veratrole. Veratrole is prepared by replacing sodium hydroxide with lithium hydroxide and by using catechol as a raw mat...
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WO/2023/134240A1 |
Disclosed in the present invention are lignan compounds from Eucommiae folium, a preparation method therefor and the use in neuroprotection. The lignan compounds from Eucommiae folium produce antioxidant proteins by means of regulating a...
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WO/2023/131849A1 |
A composition comprising a mixture of two or more stereoisomers of a synthetic charged isoprenoid glycolipid of Formula (I), or a pharmaceutically acceptable salt thereof, in which n is 0 or 1, R and R' are independently hydrogen or hydr...
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WO/2023/123126A1 |
Disclosed are a nitrogen-containing porous organic polymer composite material and preparation method and application thereof. Specifically, using aluminum trichloride as a catalyst, 2,6-bis (benzimidazole) pyridine and biphenyl are copol...
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WO/2023/126186A1 |
Use of a membrane which is permeable to the enantiomers present in a starting racemic or scalemic mixture, for isolating on one side of said membrane a first mixture optically enriched in a first enantiomer and on the other side of the m...
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WO/2023/118454A1 |
Metal-organic framework material (MOF), comprising at least one metal center and at least one organic compound selected among the compounds according to formula (I): (I) - wherein n is from 1 to 2, - R is –(CH2-CH2-O)m-CH3 with m from ...
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WO/2023/122495A1 |
A supercritical ethylene extraction process for selectively recovering a phenolic compound from bio-crude and/or bio-oil comprises providing a reactor containing bio-crude and/or bio-oil, wherein the reactor has an operating pressure, in...
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WO/2023/120361A1 |
[Problem] To easily and cost-effectively produce an oxypropylene group-containing glycol ether that does not adversely affect polymerization reaction when used as a reaction solvent or a diluent for a polyether-polysiloxane block copolym...
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WO/2023/116663A1 |
The present invention provides a method for synthesizing tyloxapol of formula (I), comprising the following steps: first reacting p-tert-octylphenol of formula (III) with formaldehyde under alkaline conditions to obtain 2,5-dimethylol p-...
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WO/2023/111567A1 |
A process for recovering 2-methoxyethanol from a waste water stream comprising water and 2-methoxyethanol is disclosed. The process comprises: passing the waste water stream and a solvent to an extractive distillation zone; recovering fr...
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WO/2023/108677A1 |
Provided is a method for preparing 2-(2,4,6-trichlorophenoxy)ethyl chloride. An organic base is mixed with an organic system of 2,4,6-trichlorophenol and dichloroethane, wherein the organic base, as a first material, can promote the diss...
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WO/2023/114437A1 |
Methods for preparation of aldehydes from carboxylic acid esters, including unsaturated fatty acid esters and triacyl glycerides, are described. The methods include combining an ester with a silane reagent and a borane catalyst to form a...
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WO/2023/110270A1 |
The present application is directed to a polythiol compound obtainable independently from a) eugenol, b) gallic acid, c) the adduct of guaiacol and vanillin or d) resveratrol and, respectively, having the general Formula VIA, VIB, VIC or...
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WO/2023/104328A1 |
The invention relates to a reactor (200, 300, 400) for catalytically producing secondary methanol products, in particular dimethyl ether, from syngas. The reactor is designed in the form of a tube bundle reactor comprising a tube bundle ...
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WO/2023/104332A1 |
The invention relates to a method for synthesising dimethyl ether, in which method: a feed-gas mixture (E) containing carbon dioxide and/or carbon monoxide and hydrogen is conducted through reaction tubes (1), fitted with a first catalys...
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WO/2023/107322A1 |
An alcohol mixture includes greater than 90 wt% of a linear tridecanol based on the total weight of the alcohol mixture.
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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/2023/083029A1 |
Disclosed in the present invention are a green alkali lignin micromolecule separation method and a product. The method of the present invention comprises: adding water or ethanol/water into black liquor for dilution, performing centrifug...
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WO/2023/081173A1 |
A process for producing an ether including treating (a) an ester with (b) hydrogen in the presence of (c) a heterogeneous catalyst to reduce the ester by hydrogenation to form an ether product, wherein the heterogeneous catalyst comprise...
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WO/2023/081174A1 |
A process for producing an ether including treating (a) an ester with (b) hydrogen in the presence of (c) a heterogeneous catalyst to reduce the ester by hydrogenation to form an ether product, wherein the heterogeneous catalyst comprise...
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WO/2023/070907A1 |
The present invention relates to the technical field of organic synthesis, and provides an etherification method for a halogenated phenol. According to the preparation method provided in the present invention, a mixture of a halogenated ...
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WO/2023/065802A1 |
The present invention belongs to the field of polythiol compounds and uses thereof, relating in particular to a polythiol compound and a preparation method therefor, a curing agent, a resin composition, an adhesive, and a sealant. The po...
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WO/2023/063653A1 |
Disclosed is a method for synthesizing a fluorene derivative. The method for synthesizing a fluorene derivative comprises: a first step of mixing fluorenone and graphite and then raising the temperature of the mixture to a reaction tempe...
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WO/2023/061971A1 |
The present invention relates to a fuel composition comprising at least 80 or 90 wt% of a symmetric branched C12-C18 ether, or 3-(((2-ethylhexyl)oxy)methyl)heptane, and up to 100 wt% of one or more additives/lubricants. The invention rel...
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WO/2023/047104A9 |
The invention relates to a process for producing a compound comprising an 18F-difluoromethyl group or a compound comprising an 18F-difluoromethylene group, which process comprises contacting a compound comprising a nucleophilic group wit...
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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/2023/057982A1 |
The present disclosure generally relates to the synthesis of an alkoxylated cannabinoid using a double metal cyanide (DMC) catalyst. This procedure affords a novel process for preparing water-dispersible and water-soluble versions of can...
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WO/2023/057770A1 |
The present disclosure relates to a method of coupling a first carbon atom with a second carbon atom to form a C-C bond and a kit suitable for said method. The method comprises contacting carbon atoms with microbially supported metal nan...
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WO/2023/049696A1 |
A method of forming a compound of formula (I) (shown below) is provided. The method comprises combining an organic liquid comprising a compound of formula (II) (shown below) and an aqueous solution comprising an alkali base at 20–40 °...
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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/2023/040759A1 |
A crystalline modification I of N'-tert-butyl-N'- (3, 5-dimethylbenzoyl) -3-methoxy-2-methylbenzohydrazide (Methoxyfenozide) is provided. There is also provided a process for preparing this crystalline form. The use of this novel crystal...
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WO/2023/036732A1 |
The present invention relates to the field of perfumery. More particularly, it concerns valuable new chemical intermediates for producing perfuming ingredients. Moreover, the present invention comprises also a process for producing compo...
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WO/2023/033285A1 |
The present invention provides a hybrid fluorinated non-ionic surfactant preparation method enabling high-purity materials to be produced in a high yield.
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WO/2023/031841A1 |
The present disclosure relates to a novel process for the synthesis of stereospecific compounds of Vitamin K2 group in general and Vitamin K2-7, in particular. It also discloses novel intermediates useful in the synthesis of stereospecif...
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WO/2023/028112A1 |
The present disclosure provides a method for isolating dialkylene phenolic glycol ether (DPGE) from a mixture that includes DPGE and glycosylated phenol impurities. The method includes adding a source of an alkali metal to the mixture to...
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WO/2023/019849A1 |
The present invention relates to a method for preparing 5-bromo-2-chloro-benzoic acid as a raw material in hypoglycemic drug synthesis and the use thereof. Specifically, in the present invention, a 5-bromo-2-aminobenzoic acid derivative ...
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WO/2023/021080A1 |
The present invention relates to a method for producing at least one vinyl ether compound using at least one Iridium catalyst, at least one base and at least one solvent selected from ester and/or ether solvents. Such a vinyl ether compo...
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WO/2023/021081A1 |
The present invention relates to a method for producing at least one vinyl ether compound having at least one cyclic structure using at least one Iridium catalyst, at least one base and at least one solvent selected from ester and/or eth...
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WO/2023/022019A1 |
Provided is a method which is for producing an ether compound and by which a target compound can be obtained while suppressing the production of a by-product (dietherified body).
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WO/2023/017394A1 |
A functionalised PET with an antioxidant activity and the relative synthesis method are described.
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