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Matches 1 - 50 out of 7,055

Document Document Title
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 ...  
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...  
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...  
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...  
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.  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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.  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
WO/2023/105411A1
Processes for producing a N,N-dialkyl perfluoroalkyl-sulfonamide product of the formula Rf—S(O)2—NRaRb (I) in which Rf represents fully or partially fluorinated alkyl groups with carbon 1 to 12 and Ra and Rb represents linear or bran...  
WO/2023/106565A1
The present invention relates to a production method for a solution of bis(fluorosulfonyl)imide metal salts and, more specifically, to a production method for powder of bis(fluorosulfonyl)imide metal salts represented by Formula 2 by per...  
WO/2023/107354A1
A process for producing 3,5-di-tert-butylbenzenesulfonic acid includes forming a solution of 1,3,5-tri-tert-butyl benzene in a solvent, exposing said solution to anhydrous hydrogen chloride gas, and reacting 1,3,5-tri-tert-butylbenzene w...  
WO/2023/098083A1
The present invention discloses a method for preparing taurine. The method comprises: (1) in the presence of an ammonia water complex ion catalyst, subjecting an aqueous sodium isethionate solution and ammonia to an ammonolysis reaction ...  
WO/2023/093677A1
The present invention relates to the technical field of organic chemical synthesis, and provides a synthesis process for a fatty acyl taurate. The synthesis process comprises the following steps: adding a fatty acid or an ester thereof, ...  
WO/2023/093560A1
The present invention discloses a method for preparing an N-fatty acyl amino acid surfactant by means of high-temperature melting and direct condensation. The method of the present invention comprises: mixing a fatty acid, a catalyst and...  
WO/2023/048237A1
The present invention is a compound represented by general formula (A) [in the formula, G is -SO2R1, -CO-G1, or -C(CH3)-Ph; R1 is a C1-30 alkyl group which may have a halogen atom or a phenyl group which may have a substituent; G1 is a h...  
WO/2023/046720A1
The present invention relates to a process for manufacturing a bis(chlorosulfonyl)imide (HCSI) of ultra-pure (UP) grade with a purity of at least 99.0 mol.% with respect to the total number of moles of HCSI. In addition, the present inve...  
WO/2023/040106A1
Disclosed in the present invention is a preparation method for an acetamide compound by means of green visible-light catalysis. In the method, LED lamps are used as light sources to provide energy, and economically available aromatic ami...  
WO/2023/035223A1
Provided in the present invention are a pharmaceutical composition containing a therapeutically effective amount of Furmonertinib or a pharmaceutically acceptable salt thereof and optionally a pharmaceutically acceptable carrier, and the...  
WO/2023/029928A1
An amino lipid and an application thereof: using ethenesulfonyl fluoride (ESF), a dual-function electrophile, to build an amine head group and a hydrophobic chain into an amino lipid, fully utilizing the click chemical reaction propertie...  
WO/2023/025058A1
Provided in the present invention are a hydrocarbyl tetralin polyethersulfonate, a preparation method therefor and the use thereof. The hydrocarbyl tetralin polyethersulfonate is represented by formula (I-0). The hydrocarbyl tetralin pol...  
WO/2023/025776A1
The present invention relates to a process for preparing a fluorosulfonylimide salt. More specifically, the present invention relates to a process for preparing lithium bis(fluorosulfonyl)imide (LiFSI).  
WO/2023/025138A1
Disclosed are novel exatecan mesylate intermediates 5 and A, and a preparation method for exatecan mesylate. Raw materials in the preparation method are cheap and easy to obtain, the synthetic route of the intermediate is simple, the "on...  
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...  
WO/2023/023303A1
The invention provides flow batteries and methods of using flow batteries including long-lived redox-active molecules with low redox potential.  
WO/2023/017474A1
This invention provides a flow synthesis process for producing sulfonylurea compounds of formula (1), including gliclazide, chlorpropamide and tolbutamide, and pharmaceutically acceptable salts thereof.  
WO/2023/017475A1
This invention provides for a flow synthesis process for producing sulfonylurea compounds of formula (1), including glipizide and glibenclamide, and pharmaceutically acceptable salts thereof.  
WO/2023/016517A1
Disclosed are a naphthalenesulfonyl compound, a preparation method therefor, and an application thereof. Specifically disclosed is a compound as shown in formula (I) or a salt thereof. As a specific derivatization reagent that can react ...  
WO/2023/010649A1
A method for continuous synthesis of p-toluenesulfonyl chloride. Toluene, sulfur trioxide, chlorosulfonic acid, organic bases and a solvent are mixed in a first static mixer and pumped into a first microreactor for reaction. A primary re...  

Matches 1 - 50 out of 7,055