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WO/2024/088279A1 |
Disclosed in the present invention is a synthesis method for a 4-methylthio-3-aldehyde-2-methylbenzoate topramezone intermediate represented by general formula V. The reaction synthesis route thereof is as follows: R is an ester, carboxy...
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WO/2024/070537A1 |
Provided is a method for producing a polythiol composition, the method comprising: a preparation step for preparing a crude polythiol composition that is a polythiol composition that is not purified yet; and a purification step for purif...
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WO/2024/061348A1 |
The present invention provides a 1,3-cyclohexanedione compound shown in formula I, and a stereoisomer and an agrochemically acceptable salt thereof, wherein R1, R2, R3, and R4 are as defined in the description. Also disclosed are a prepa...
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WO/2024/061218A1 |
An organic polysulfide and preparation method and use thereof. The preparation method comprises the following steps: S1: adding metal hydroxide solution into a reactor, adding sulfur to react, and lowering the temperature at the end of t...
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WO/2024/058014A1 |
A polythiol composition according to the present invention includes a polythiol compound (A) and at least one type of compound selected from the group that consists of compounds represented by formula (1) and compounds represented by for...
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WO/2024/048389A1 |
This method for producing a polythiol composition comprises a production step in which a polythiol composition is produced by decomposing a thiourethane resin by means of a decomposer that is represented by formula (1) or formula (2). In...
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WO/2024/036181A1 |
The present disclosure generally relates to processes to produce a mercaptan and an asymmetrical sulfide utilize stacked bed catalyst systems containing CoMo and NiMo, and these processes demonstrate a synergistic reduction in the amount...
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WO/2024/031242A1 |
A method for synthesizing an aryl benzyl thioether compound using photocatalysis. By using the iron (III) complex [HIMXy Me][FeBr 4]([HIMXy Me]=l,3-bis(4-methoxy-2,6-dimethylphenyl)-4,5-dimethylimidaz
olium cation) as a catalyst, fac-Ir(...
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WO/2024/011415A1 |
Disclosed in the present invention is a method for preparing an o-iodophenyl compound, wherein an iodobenzene compound and an amide compound as raw materials are reacted in the presence of sodium hydride or n-butyllithium and a solvent t...
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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/2023/241087A1 |
The present invention provides a thiodiglycolic acid extraction agent, and a preparation method therefor and use thereof, in the technical field of extraction separation in the fields of extraction agent synthesis and hydrometallurgy. Th...
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WO/2023/242020A1 |
The invention provides a process for obtaining mixtures containing methionine and potassium hydrogencarbonate from aqueous solutions or suspensions containing titratable potassium in the form of potassium hydrogencarbonate and/or potassi...
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WO/2023/244535A1 |
Disclosed herein are dithiol-based polymers and cyclic compounds that can be formed therefrom. The cyclic compounds also can be used to regenerate recycled polymers. Methods for making native and recycled polymers are described herein, a...
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WO/2023/240057A1 |
Disclosed are compositions comprising a first component comprising an isocyanate, a second component comprising a first polyol comprising a phosphorous, a second polyol comprising a sulfur or a combination of the first polyol and the sec...
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WO/2023/232573A1 |
202100366 Foreign Filing 13 Summary5 The present invention concerns the recovery of methionylmethionine from aqueous alkali ions containing media by intermediate formation of Bis(methionyl)-diketopiperazine.
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WO/2023/214184A1 |
The present invention relates to nanoparticles comprising an inverse vulcanised sulfur polymer and a method of forming said nanoparticles. The invention also relates to a water filtration membrane comprising the nanoparticles as well as ...
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WO/2023/196276A1 |
A method to prepare ɤ-L-Glutamyl-L-Cysteine or bis- ɤ-L-Glutamyl-L-Cystine including direct reaction of cysteine or cystine with Di-tert-butyl (S)-(2,6-dioxotetrahydro-2H-pyran-3-yl)iminodicarbonate (formula 5) is provided (I).
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WO/2023/190874A1 |
Provided are: a method for producing a pentaerythritol mercaptocarboxylic ester that comprises subjecting a mercaptocarboxylic acid and pentaerythritol to a dehydration reaction under solvent-free conditions; a polymerizable composition ...
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WO/2023/190767A1 |
[Problem] The present invention provides: a polyether ether ketone decomposition method which efficiently decomposes a polyether ether ketone; and a novel compound which is synthesized using a starting material that is a decomposition pr...
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WO/2023/186149A1 |
The present invention relates to the technical field of biomedicines, and particularly disclosed are a lipid compound, a composition containing the same, and use thereof. The lipid compound has a structure represented by formula (I) or f...
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WO/2023/187823A1 |
Described herein is a ZnP2 coated separator as a barrier to restrict the polysulfide shuttling. ZnP2 coated separator have surface anchoring group to bind and catalyze sulfide conversion. Further, the present invention provides a process...
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WO/2023/190876A1 |
Provided are: a method for producing a pentaerythritol mercaptocarboxylic ester that comprises subjecting pentaerythritol and a mercaptocarboxylic acid to a dehydration reaction, the pentaerythritol having a light absorbance of 0.1 or hi...
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WO/2023/176487A1 |
The production method according to the present invention is characterized in that a D-amino acid oxidase used in step 2 in the scheme shown below is a polypeptide selected from the below-mentioned polypeptides (a) to (c). According to th...
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WO/2023/176299A1 |
The present invention provides: a naphthalenedithiol which has high purity, while being reduced in the degree of coloring; and a method for producing this naphthalenedithiol. 1,6-naphthalenedithiol according to the present invention ha...
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WO/2023/169520A1 |
The use of an arylvinyl α-carbonyl acid ester compound (I) as a photoinitiator in LED photopolymerization and a preparation method therefor, which relate to the field of polymer photocuring, and are provided on the basis of the problems...
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WO/2023/165595A1 |
The present invention relates to a liposome for forming a nanodrug carrier. The liposome can form a nanocomposite that selectively and efficiently delivers a pharmaceutically active molecule, and reduce or minimize treatment-associated t...
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WO/2023/157850A1 |
A method for producing an olefin sulfide according to the present invention enables the achievement of a dialkyl polysulfide (A) by reacting an olefin compound (a) represented by formula (1) R1R2C=CHR3 (wherein each of R1 and R2 represen...
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WO/2023/145837A1 |
The present invention provides a polythiol composition which contains a polythiol compound, wherein: the composition contains a compound C2 that has a retention time of 16.0 minutes to 19.0 minutes as determined by high-speed liquid chro...
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WO/2023/145981A1 |
The present invention relates to a method for preparing an ester thiol compound by reacting a polyalcohol and a mercaptocarboxylic acid and to an optical resin or optical lens obtained therefrom having superior optical properties.
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WO/2023/144265A1 |
The present invention relates to a granular catalyst for the hydrolysis of amino nitriles and/or amino amides to amino acids or derivatives thereof, a process for the preparation of this catalyst and a method for the preparation of an am...
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WO/2023/136688A1 |
The present invention relates to a novel ionizable lipid containing a biodegradable disulfide bond. The ionizable lipid containing a disulfide bond, according to the present invention, stably delivers an anionic drug when prepared into l...
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WO/2023/123566A1 |
Provided is a synthesis method for thiodiethylene bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]. The method comprises: reacting 2,6-di-tert-butylphenol with acrylate and further reacting with 2-chloroethanol to obtain the intermed...
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WO/2023/126376A2 |
The present invention relates to a new, enhanced process for the manufacture of Cysteamine Bitartrate (I) and of its key intermediate thiazolidine (II). Furthermore, it relates to a new processes for the manufacture of crystalline anhydr...
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WO/2023/120292A1 |
Provided is a method for producing a sulfonamide derivative, the method being characterized by including a step of causing a compound having a nitro group to react with a compound having a thiol group under light irradiation, and forming...
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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/2023/067059A1 |
The invention provides a process for producing DL-methionine and methionine diketopiperazine (DKP), characterized in that a DKP-containing mother liquor which originates from a process for producing DKP starting from a precursor product ...
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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/2023/058449A1 |
Provided are: a naphthalene dithiol capable of achieving both high refractive index and high solubility (compatibility) or a derivative thereof; and a production method and a use for the same. A naphthalene compound according to the pr...
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WO/2023/056716A1 |
The present invention provides a preparation method for a silk fibroin (SF) composite porous stent, comprising: degumming silkworm silk, dissolving, dialysis, filtering, and concentrating same to obtain a SF solution; activating ketal th...
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WO/2023/058781A2 |
The present invention provides a novel naphthalene compound, a synthesis method for said naphthalene compound, and a composition containing said naphthalene compound. This composition can be employed in coating materials, inks, adhesives...
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WO/2023/047856A1 |
Provided are: a photosensitive composition in which, even upon heating, there is unlikely to be an excessive decrease in the weight of components in the photosensitive composition or a composition (components other than a solvent, if the...
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WO/2023/030279A1 |
Provided are a 3, 3-difluoroallylic onium salt as represented by formula (C), and a preparation method of the substance. Cheap industrial raw materials are used to prepare the important fluorine-containing reagent, which can be used as a...
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WO/2023/032598A1 |
This episulfide composition comprises: an episulfide compound (A) that contains an episulfide ring and a polysulfide bond in which at least three bonds represented by -S- are connected, and an episulfide compound (B) that contains an epi...
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WO/2023/024532A1 |
Disclosed in the present invention is a one-step method for preparing a C-N coupling product using nitroaromatic hydrocarbon and alkyl or phenylboronic acid. The method comprises: adding nitroaromatic hydrocarbon, alkyl or phenylboronic ...
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WO/2023/024222A1 |
Disclosed in the present invention is a synthesis method for manganese hydroxymethionine, relating to the technical field of trace element preparation and solving the technical problem of current trace elements being difficult to absorb ...
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WO/2023/024231A1 |
Disclosed in the present invention are a polyonium salt photoacid generator for ArF light source dry lithography, and a preparation method therefor and an application thereof. The photoacid generator is an onium salt having an anions and...
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WO/2023/023201A1 |
The present invention relates to precious metal (Pd/Pt/Rh/Ru) free, preferably Pd free, processes for preparing a compound having formula (1) wherein: R1, R2, and X are as defined in the specification, or a salt thereof. Preferably, the ...
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WO/2023/008528A1 |
A polythiol composition comprising a polythiol compound, wherein the composition contains a compound C1 which exhibits a retention time of 32.0-35.0 minutes in a high performance liquid chromatography assay performed at a specific measur...
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WO/2023/006607A1 |
The present invention relates to a process for preparing (2,2,2-trifluoroethyl)sulfanylaniline derivatives of formula (I), in which R1 und R2 have the meanings cited in the description.
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WO/2022/270533A1 |
The purpose of the present invention is to provide a method for manufacturing a sulfur-containing polymer, such as polyarylene sulfide. In the method, by-products of the polymerization reaction are scarce and the impact on optical proper...
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