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WO/2024/013382A1 |
It relates to a process for preparing a compound of formula (I), or a pharmaceutically or a cosmetically acceptable salt thereof, or a stereoisomer of any of them, wherein: R' is selected from the group consisting of H, (C1-C6)-alkyl, an...
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WO/2024/014801A1 |
The present invention relates to a method for preparing sapienic acid and an ester thereof, sapienic acid being a major component of sebum and having antibacterial, antifungal, and antiviral activity. Sapienic acid has conventionally bee...
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WO/2024/014723A1 |
The present invention relates to a method for producing bis-2-hydroxyethyl terephthalate, the method comprising the steps of: (1) adding a waste polyester raw material into a co-extruder to obtain a co-extrudate; (2) adding the co-extrud...
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WO/2024/014448A1 |
According to the present invention, in the presence of a hydrolysis catalyst, a fluorene-containing resin having a fluorene skeleton and an ester bond and/or a carbonic acid ester bond is reacted with carbonic acid ester to decompose the...
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WO/2024/011156A2 |
Described herein are methods for producing an aryl ester or vinyl ester, the method comprising reacting an aromatic compound or an alkene with CuX2, wherein X is a carboxylate group having the formula RC(O)O-, wherein R is an alkyl group...
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WO/2024/011191A1 |
Polymerization inhibitor compositions are provided. The polymerization inhibitor compositions include at least a first inhibitor compound having a stable nitroxide radical or a derivative thereof, a second inhibitor compound having a phe...
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WO/2024/009998A1 |
Provided is a method for producing a fluorinated organic compound by fluorinating an organic compound in the presence of a fluorination composition which contains IF5, iodine and an amine and in which the iodine is contained at a quantit...
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WO/2024/005039A1 |
The present invention provides a method for producing a very-long-chain polyunsaturated fatty acid, the method comprising reacting a compound represented by formula II of R1-MgX1 and a compound represented by formula III of X2-(CH2)m-X i...
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WO/2024/005446A1 |
The present invention relates to a hybrid depolymerization method for a polymer comprising an ester functional group and, specifically, to a method comprising: using, as a reaction solvent, a mixture of a compound with a carbonyl functio...
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WO/2024/005445A1 |
The present invention relates to a method for depolymerization of a polymer containing an ester functional group, wherein an aromatic compound having an alkoxy functional group and a compound having an alcohol functional group are mixed ...
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WO/2024/003271A1 |
The present invention relates to the field of organic synthesis and, more specifically, it concerns a process for the preparation of an ether, thioether or secondary amine of formula (I) comprising the reaction of an alcohol, thiol or am...
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WO/2024/005572A1 |
The present invention relates to a surfactant for an adhesive, an adhesive composition comprising same, and preparation methods therefor. The surfactant of the present invention is included in an adhesive so as to exhibit excellent adhes...
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WO/2024/003941A1 |
An ester product of polyglycerol with C8 and C10 fatty acids & lactic acid; wherein the polyglycerol is with an average polymeric degree of 3 to 10; and its use in preparing stable personal care compositions.
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WO/2024/006646A1 |
Provided are systems and methods for metal formate synthesis from carbon monoxide supplied by an electrolyzer having a membrane electrode assembly which incorporate the capacity to recover and recycle various chemical components of the p...
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WO/2023/248976A1 |
The present invention provides: a polymer that has excellent storage stability and can yield a cured product having excellent solvent resistance even under low-temperature curing conditions; a photosensitive resin composition that contai...
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WO/2023/247609A1 |
The present invention relates to a process for the preparation of cyclohomogeranates. The invention relates to the synthesis of cyclohomogeranates from well available esters of homogeranic acid in only one step. The cyclohomogeranates pr...
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WO/2023/248205A1 |
The subject of the invention is a novel ruthenium complex with the general formula Ru-1, in which all the variables have the meaning defined in the disclosure. The subject of the invention is also a synthesis method of the ruthenium comp...
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WO/2023/246829A1 |
A liquid composition comprising trans-2-(2-(5-(fluoro[ 18F])tridecyl)cyclopropyl)acetic acid, a preparation method therefor and use thereof in the preparation of a contrast agent for myocardial metabolic PET imaging. The liquid compositi...
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WO/2023/249481A1 |
Provided herein is an ionic liquid comprising: an anionic portion that comprises: at least one carboxylate group; and at least one ester group and/or at least one amide group; and a cationic portion having formula A: A, where: X represen...
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WO/2023/249327A1 |
Recycled bis(2-hydroxyethyl)terephthalate, obtained by depolymerization of a waste polyester, is mixed and stored with a solvent under specific conditions, leading to the stable maintenance of purity and yellowness and the improvement in...
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WO/2023/247638A1 |
The depolymerization method comprises the successive steps of pyrolizing a feed material containing polymer in a pyrolysis reactor so as to generate a hot gas stream, removing solid and liquid impurities from the gas stream in a separato...
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WO/2023/249129A2 |
The present invention provides technology for improving the selectivity of a (meth)acrylic acid ester. The present invention relates to a (meth)acrylic acid ester production method including: reacting (meth)acrylic acid and a secondary a...
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WO/2023/249130A2 |
The present invention provides technology for improving the yield of a (meth)acrylic acid ester. This (meth)acrylic acid ester production method includes: reacting (meth)acrylic acid and a secondary alcohol within a reactor and in the pr...
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WO/2023/246830A1 |
The present application provides a method for preparing a myocardial metabolism PET imaging agent, a liquid composition of trans-2-(2-(5-fluoro[18F]tridecyl)cyclopropyl)acetic acid (compound I for short), and use thereof, wherein a crude...
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WO/2023/247602A1 |
The present invention relates to the use of compound of formula (I) as an aroma chemical to impart a woody note, fruity note, herbal note, green note, rooty note, citrus note, petitgrain note, floral note, damascone note, tobacco note, a...
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WO/2023/242256A1 |
The present invention discloses process strategies and a method for the discontinuous (trans)esterification of (meth)acrylic esters. The method can prepare an alkyl (meth)acrylate product by a (trans)esterification reaction of a reaction...
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WO/2023/241727A1 |
The present invention belongs to the field of chemical separation, and disclosed is a method for separating ethylene glycol from ethylene glycol diacetate by using sulfolane as an entrainer. A mixture of ethylene glycol and ethylene glyc...
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WO/2023/242259A1 |
The present invention discloses a method for increasing a conversion rate of a (trans)esterification reaction for preparing a (meth)acrylate product.of a reaction mixture in a reactor system, the reactor system comprising a reboiler, a r...
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WO/2023/242257A1 |
The present invention discloses a method for pressure enhanced (trans)esterification of (meth)acrylic esters. The method can prepare an alkyl (meth)acrylate product by a (trans)esterification reaction of a reaction mixture. The reaction ...
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WO/2023/242258A1 |
The present invention discloses a method for preparing an alkyl (meth )acry late product by a (trans)esterification reaction of a reaction mixture in a reactor system, the reactor system comprising a reaction chamber (1) comprising the r...
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WO/2023/237027A1 |
Provided are a compound, a method for preparing same, and use thereof in preparing a bicyclopyrone intermediate. The present invention can be used for preparing bicyclopyrone intermediate II from intermediate I (a compound represented by...
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WO/2023/233202A1 |
The invention relates to a method for chromatogenic acylation of a solid material (1, 2) carrying hydroxyl groups capable of reacting with fatty acid chlorides in the gaseous state, wherein: a reactive fatty acid chloride composition (20...
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WO/2023/231628A1 |
A process and system for implementing the continuous preparation of a high-purity BHET monomer from waste polyester. The process comprises: first, carrying out screw extrusion melting and pre-alcoholysis on waste polyester in a screw ext...
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WO/2023/233098A1 |
The invention relates to a process for producing renewable hydrocarbon fluids comprising at least: a) a step of providing a first oil of natural origin and a second oil of natural origin, b) a step of producing fatty acid ethyl esters by...
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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/2023/228034A1 |
The present invention relates to a heterogenous catalyst and to a process for producing the heterogenous catalyst, which consists in impregnating an active metal onto activated carbon, the catalyst being supported inside a reactor by a m...
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WO/2023/221851A1 |
Provided is a method for preparing valproamide represented by chemical structural formula I and sodium valproate represented by formula II. The method is characterized in that cyanoacetate and 1-chloropropane are subjected to composite c...
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WO/2023/222359A1 |
The present invention relates to a process for purifying a hydrocarbon stream comprising at least Cx alkanes, Cx olefins, low boilers such as Cx-1 hydrocarbons and high boilers such as Cx+1 hydrocarbons, with x = 3 to 5. According to the...
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WO/2023/225377A1 |
Post-treatment process for crude biodiesel containing residual monoacylglycerol (MAG) and comprising contacting said crude biodiesel with a concentrated alkaline solution, double counter-current washing each followed by a phase separatio...
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WO/2023/216615A1 |
The present application discloses a method for synthesizing dimethyl 3-(3-oxo-2-pentyl)cyclopentylmalonate and a catalyst. According to the method, dimethyl 3-(3-oxo-2-pentyl)cyclopentylmalonate is prepared by means of reactions under th...
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WO/2023/213583A1 |
A Process for making methanol having a deuterium content below 90 ppm, based on the total hydrogen content, comprising the steps: (a) providing hydrogen with a deuterium content below 90 ppm, based on the total hydrogen content, by water...
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WO/2023/214211A1 |
The present invention provides methods for separating polyenes from monoenes as well as products produced by the methods, and in particular to methods that comprise cryo-injection of an alcohol into a mixed-lipid composition.
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WO/2023/213700A1 |
The present invention relates to a method for producing a di(meth)acrylate diester mixture, which contains a first and a second di(meth)acrylate diester, by reacting a hydroxyalkyl(meth)acrylate mixture with (meth)acrylic acid and/or a C...
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WO/2023/213434A1 |
The invention relates to a method for preparing a C13-C29 alkyl diester of 1,4:3,6-dianhydrohexitol, said method comprising: a) a first step of esterification of 1,4:3,6-dianhydrohexitol with a fatty acid having a C13-C29 alkyl chain, sa...
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WO/2023/210370A1 |
Provided are a purification method and purification apparatus that deplete the metal impurities in an organic solvent. This organic solvent purification method is a purification method that depletes the metal impurities in an organic sol...
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WO/2023/207051A1 |
Disclosed is a method for synthesizing α-hydroxycarboxylate. According to the present invention, α-hydroxycarboxylic acid and alcohol are used as raw materials, one or more of boric acid, metaboric acid, pyroboric acid, and boric anhyd...
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WO/2023/210589A1 |
Provided is a method for producing a tetrakis[methylene-3-(3',5'-tert-butyl-4'-hydroxyphenyl)prop
ionate]methane having good properties. In a process for crystallizing, by means of a crystallization solvent, a crude product including t...
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WO/2023/207921A1 |
Taxamairin analogs useful in the treatment of cancer, pharmaceutical compositions including the same, methods of use thereof, and methods of preparation are provided. An efficient and scalable semi-synthesis of taxamairin compounds and a...
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WO/2023/203980A1 |
[Problem] To provide: a method for producing BHET, by which BHET can be produced in a simple manner from PE waste materials; and a method for producing recycled PET using said BHET as a raw material. [Solution] One embodiment of the pres...
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WO/2023/202559A1 |
The application provides a phenyl acrylic compound, and a preparation method and application thereof. The phenyl acrylic compound has a structure as shown in formula (I). The phenyl acrylic compound provided by the present application ca...
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