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WO/2024/149700A1 |
The present invention relates to a process of preparing a compound having structural formula (I) comprising reacting a compound having structural formula (II) with water in the presence of an organic amide or an organic amine and to the ...
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WO/2024/140282A1 |
The present invention relates to preparation methods for pilocarpine and the intermediate compounds thereof. Specifically, the present invention relates to key intermediates, i.e. compounds of formula (I) and formula (II), for preparing ...
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WO/2024/140776A1 |
Disclosed in the present invention are a preparation method for a stereoisomer and an intermediate thereof, and a preparation method for and the use of the intermediate, in particular the use thereof in the preparation of an active compo...
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WO/2024/141040A1 |
Disclosed in the present invention is a pharmaceutical composition acting as an AXL inhibitor. The pharmaceutical composition comprises a mono-p-toluenesulfonate of a compound as represented by formula (A) or a hydrate thereof serving as...
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WO/2024/139061A1 |
A method for synthesizing amide and/or a polypeptide with an unprotected amino acid as an amine component. The method for preparing the polypeptide comprises using an amino acid or a peptide fragment, which has unprotected amino and carb...
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WO/2024/130837A1 |
The present invention provides a method for synthesizing an N-acyl amino acid surfactant. The method comprises: mixing a fatty acid, sodium N-methyltaurate and an acid catalyst under high-temperature pressurized conditions, and carrying ...
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WO/2024/125979A1 |
The present invention relates to a process for the purification of a solution of bis(fluoro sulfonyl)imide salt.
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WO/2024/125795A1 |
The invention relates to a method for isolating taurine from a fermentation broth following the microbial fermentation of a production strain, having the following isolation steps in the given order: (i) isolating the fermentation supern...
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WO/2024/125980A1 |
The present invention relates to a method for the manufacture of a solution containing bis(fluoro sulfonyl)imide salt(s).
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WO/2024/109665A1 |
The present invention belongs to the field of biomedicines. Disclosed are carbamate-bond-containing lipid compounds and the use thereof. The lipid compounds are compounds of the following structure, the definition of each group being as ...
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WO/2024/106331A1 |
Provided are a method for producing a fluorine-containing sulfonyl chloride and a method for producing a fluorine-containing sulfonyl fluoride that are highly safe and versatile and can provide a fluorine-containing sulfonyl chloride and...
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WO/2024/100964A1 |
Provided are: a new organometallic compound that changes the solubility in solvents through irradiation with light beams having a ultrashort wavelength, and that forms, when being exposed with light beams having a ultrashort wavelength, ...
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WO/2024/094637A1 |
The present invention relates to a process for the preparation of cyclobutenone derivatives of formula (1), wherein Y is O or NH, R is -C(O)-R1 or -S(0)2-R1, and R' is selected from optionally substituted linear or branched C1-12 alkyl, ...
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WO/2024/085386A1 |
It has been identified that an alkynyl amino acid ester derivative preparation method using a photocatalytic reaction, according to the present invention, is simple and enables a linear, cyclic or chiral alkynyl amino acid ester derivati...
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WO/2024/080603A1 |
The present invention relates to a method for preparing terephthalylidene dicamphor sulfonic acid using electrodialysis. The method for preparing terephthalylidene dicamphor sulfonic acid of the present invention supplies a solution cont...
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WO/2024/074501A1 |
The present invention relates to a process for the fluorination and/or cyclization of an amino alkene or alkyne in a continuous-stream microreactor. The invention also relates to a facility for performing such a process.
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WO/2024/061955A1 |
The present invention relates to a new synthetic pathway for manufacturing bis(halogeno sulfonyl)imide, which are useful intermediates in the synthesis of lithium bis(fluorosulfonyl)imide (LiFSI).
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WO/2024/064645A1 |
A process includes the steps of contacting an olefin, an alcohol and a metallosilicate catalyst to form oligomers of an alcohol ethoxylate having structure (I), wherein R1 is an alkyl, R2 is an alkyl, and n has a value of 1 to 3; and sul...
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WO/2024/048925A1 |
The present invention relates to an organic salt of terephthalylidene dicamphor sulfonic acid, which would be useful in cosmetic compositions for blocking ultraviolet rays, and a preparation method therefor. The present invention provide...
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WO/2024/042005A1 |
The present invention relates to a process for producing sulfatized esteramines comprising step a), wherein at least one alcohol containing at least two hydroxy groups (compound (A)) is reacted with at least one amino acid (compound (B))...
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WO/2024/032081A1 |
The present invention provides a preparation method for semaglutide, and an intermediate. The preparation method comprises the steps of: (1) reacting compound SEM110 and compound SEM120 in a solvent under an alkaline condition to obtain ...
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WO/2024/034666A1 |
A ruthenium complex according to one aspect of the present disclosure is represented by general formula (1). In general formula (1), R1 represents a hydrogen atom, a phenyl group, or a monovalent substituent which is obtained by substitu...
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WO/2024/029351A1 |
Provided is a fluorene compound having a sulfonic acid ester structure and an allyl group, the compound being represented by formula (1). (In the formula, R1 each independently are a hydrogen atom or a methyl group. R2 each independently...
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WO/2024/023489A1 |
The present invention provides a N-acylated taurine composition comprising: (a) a first N-acylated taurine compound of the formula (IA) or a salt thereof: and (b) a second N-acylated taurine compound of the formula (IB) or a salt thereof...
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WO/2024/020409A1 |
The present disclosure, in part, is directed to compositions comprising a compound of formula (I): wherein the compositions are substantially free of an impurity, processes of producing thereof, and uses thereof.
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WO/2024/003797A1 |
The present invention relates to pure salts of amphetamine prodrug, in particular, L-lysine-d- amphetamine (known as lisdexamfetamine) and industrial advantageous process for preparation thereof. The present invention relates to the crys...
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WO/2023/237382A1 |
The present invention relates to a method for preparing a polyisobutyl benzene sulfonate comprising the steps of alkylation of benzene with a terminal unsaturated polyisobutene to produce a polyisobutyl benzene, sulfonation of the polyis...
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WO/2023/233273A1 |
The present disclosure relates to a process for preparing a salt of 4-hydroxy pentadecyl benzene sulfonic acid. The process comprises reacting 3-N- Pentadecylphenol with sulphuric acid and neutralizing the 4-hydroxy pentadecyl benzene su...
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WO/2023/222550A1 |
A method for producing a hydrocarbon feedstock from waste plastic feedstock and crude oil comprising the steps of: A. providing a first feed stream comprising crude oil; B. providing a second feed stream comprising waste plastic pyrolysi...
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WO/2023/214552A1 |
The present disclosure provides: a trifluoromethane sulfonylation agent composition containing a compound represented by general formula (1) or (11) disclosed in the description; and a method for producing a trifluoromethanesulfonyloxy c...
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WO/2023/202919A1 |
The present disclosure relates to a process for purifying a lithium salt of bis(fluorosulfonyl)imide (LiFSI), wherein the purified LiFSI is extracted from a crude LiFSI through supercritical fluid extraction. The present invention also r...
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WO/2023/202918A1 |
The present disclosure relates to a process for preparing a lithium salt of bis(fluorosulfonyl)imide (LiFSI) in solid form, wherein the solid form LiFSI salt is extracted from a solution comprising at least one solvent through supercriti...
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WO/2023/202920A1 |
The present disclosure relates to a process for preparing a lithium salt of bis(fluorosulfonyl)imide (LiFSI) in solid form, wherein the LiFSI salt in solid form is extracted from a solution comprising at least one solvent through supercr...
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WO/2023/203297A1 |
The present invention relates to a method for preparing a lithium salt A comprising a step a) of bringing a lithium salt B, comprising at least one group –S(O)2-F, into contact with a compound C of formula (I) R-O-SiR1R2R3 in the prese...
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WO/2023/191901A1 |
The disclosure relates to skincare compositions comprising at least one melanin reducing agent; some percent of ecamsule; and at least one additional ingredient; wherein the ecamsule is the sole ultraviolet protecting compound.
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WO/2023/187044A1 |
A process for the production of a surfactant of formula (I) is provided, as well as a surfactant composition. Moreover, specific surfactants and compositions thereof are provided, as well as their use in a wide variety of applications su...
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WO/2023/176209A1 |
A tosylic acid anionic ionic liquid represented by formula (1) is a unique compound that is especially stable in supercooled conditions and maintains a liquid state especially easily, even among ionic liquids, and can be handled as a liq...
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WO/2023/172859A1 |
The need for an alkyl sulfated anionic surfactant containing concentrated surfactant blend which does not require a high pH in order to be hydrolytically stable, and as such, can be used to form detergent compositions which do not compri...
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WO/2023/171597A1 |
Provided are high-purity styrenesulfonic acids having markedly decreased bound bromine and polymers thereof that are useful as modifiers for secondary batteries, dopants for conductive polymers, additives for semiconductor abrasives and ...
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WO/2023/156430A1 |
The invention relates to a process for producing alkyl sulfonic acid in a reaction apparatus (41) which contains a liquid phase comprising aqueous nitric acid, wherein dialkyl disulfide is fed into the liquid phase in the reaction appara...
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WO/2023/142618A1 |
Provided is a synthesis method for Euphorbia diterpenoid Pepluanol A. By using a cycloheptenone derivative as a reaction raw material, a key tricyclic skeleton is constructed by means of key steps such as a Negishi coupling reaction, a D...
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WO/2023/142797A1 |
Relating to the technical field of biological buffer reagent synthesis, provided is a preparation process for a sulfonic acid-containing compound and a slat thereof, comprising the following preparation steps: reacting a compound 1 with ...
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WO/2023/132352A1 |
The present invention provides a method that is for producing an amide compound, that comprises obtaining an amide compound by causing a reaction between a carboxylic acid compound and an amine compound in the presence of a condensing ag...
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WO/2023/123170A1 |
The present invention provides a preparation method for 1,4-butanedisulfonic acid (II). According to the method, disodium 1,4-butanedisulfonate (I) and a hydrogen chloride solution are mixed for reaction, filtration and concentration are...
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WO/2023/123404A1 |
The present application discloses an industrial preparation method for acetoacetyl-N-sulfamate, the acetyl-N-sulfamate being used as an intermediate for synthesizing Acesulfame-K. The method comprises the following steps: step 1, dissolv...
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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/2023/115524A1 |
The present invention provides a method for preparing 1,4-butanedisulfonic acid sodium salt. The method comprises: mixing 1,4-dihalogenated butane (I), sodium sulfite, water and a catalyst, and undergoing a reaction to obtain 1,4-butaned...
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WO/2023/118975A1 |
Disclosed is an oleum reactor (200) and process (400) for preparing a sulfonating mixture in a synthesis of acrylamido tertiary butyl sulfonic acid. The oleum reactor (200) comprises components such as a horizontal tank reactor (203) com...
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WO/2023/118976A1 |
A sulphonating mixture for synthesis of acrylamido tertiary butyl sulfonic acid (ATBS) and preparation process thereof are disclosed herein. The sulphonating mixture may comprise 98% sulphuric acid (H2SO4) and 30% oleum. The mixing ratio...
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WO/2023/109204A1 |
As an important intermediate and product in production, sulfonate is widely applied in various fields, such as anionic surfactants, reaction intermediates, etc. However, during a sulfonation process, sulfur trioxide is usually used as a ...
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