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Matches 1 - 50 out of 9,522

Document Document Title
WO/2019/134584A1
The present invention relates to a crystalline form of compound 3- ( (L-valyl) amino) -3, 3-dideuterium-1-propanesulfonic acid, preparation method and uses thereof.  
WO/2019/110371A1
The application relates to a process for the synthesis of organic sulfonic acid salts of amino acid esters comprising the steps of (i) reacting at least one lactam with at least 3 carbon atoms in the lactam ring with at least one organic...  
WO/2019/088800A9
The present invention relates to a polyethylene glycol derivative and a preparation method thereof. A preparation process of a polyethylene glycol derivative, according to the present invention, may provide a novel polyethylene glycol de...  
WO/2019/109045A1
Provided is a process for converting a hydrocarbon comprising at least one C-H bond to a nitrogen-functionalized product. The process comprises contacting a hydrocarbon and (i) an oxidizing electrophile comprising (a) a main group elemen...  
WO/2019/106982A1
Provided are an internal olefin sulfonate composition which shows excellent hue stability and excellent aroma stability even when preserved for a long period of time, and a method for preserving an internal olefin sulfonate. The internal...  
WO/2019/101132A1
Disclosed in the present invention are a fluorosulfonyl-containing compound, an intermediate thereof, a preparation method therefor and use thereof. The fluorosulfonyl-containing compound disclosed in the present invention comprises a ca...  
WO/2019/095636A1
Disclosed is a method for synthesizing a benzenesulfonate derivative, which belongs to the technical field of compound synthesis. Formula (I) is used as a raw material and reacted with ethylene glycol or R2-OH to produce formula (II) or ...  
WO/2019/088800A2
The present invention relates to a polyethylene glycol derivative and a preparation method thereof. A preparation process of a polyethylene glycol derivative, according to the present invention, may provide a novel polyethylene glycol de...  
WO/2019/080514A1
A preparation method for a propylene epoxidation catalyst: pre-hydrolising a silicon source, adding a titanium source and reacting to form a sol, atomising the sol and then spraying into liquid ammonia for moulding, implementing reaming,...  
WO/2019/076774A1
The invention relates to a method of producing a sulphonated anthraquinone compound by reacting an anthraquinone compound with oleum, then adding water and a bridging liquid, recovering the sulphonated anthraquinone compound in solid for...  
WO/2019/068494A1
The invention relates to a method of enhancing conversion of alkali metal salt, preferably aqueous salt, preferably aqueous sodium salt of N-methyl taurine to alkyl taurate amides. In one aspect, the starting salt is pre-concentrated (at...  
WO/2019/058885A1
Provided is a method for producing a compound, by which a sulfonate salt of a hydrazine compound is able to be safely produced with high yield. Also provided is a method for producing a compound, by which an acid hydrazide compound deriv...  
WO/2019/047493A1
The present invention relates to an ionic liquid, a cation of which contains a hexafluoroisopropylsulfonic acid group. The ionic liquid provided by the present invention introduces a hexafluoroisopropylsulfonic acid group into a cationic...  
WO/2019/045064A1
Provided are: a polymer containing a fluorosulfonyl group having the unit represented by formula u1; a polymer containing a sulfonic acid group, which is the polymer containing a fluorosulfonyl group where the fluorosulfonyl group has be...  
WO/2019/044286A1
Provided is an efficient method for producing a perfluoroalkane sulfonylimide acid metal salt. The perfluoroalkane sulfonylimide acid metal salt is produced by: reacting a perfluoroalkane sulfonyl halide with an organic base and ammonia ...  
WO/2019/045063A1
The present invention relates to: a fluorosulfonyl group-containing compound production method by which a compound represented by formula 5 is obtained using a compound represented by formula 1 as the starting material; and a fluorosulfo...  
WO/2019/043339A1
The present invention relates to a method for preparing a sulfonic acid that is slightly corrosive, or even non-corrosive, with respect to stainless steels, said method comprising at least the steps of adding at least one nitrite to a su...  
WO/2019/044462A1
The present invention relates to: a N,N'-diarylurea derivative represented by general formula (1); and a manufacturing method thereof. Also, the present invention relates to a thermosensitive recording material in which a thermosensitive...  
WO/2019/043338A1
The present invention relates to a weakly corrosive and weakly coloured sulfonic acid, with APHA colour index less than 20, comprising chlorides and nitrites in a chloride/sulfonic acid molar ratio of between 1 ppm and 200 ppm, and a nit...  
WO/2019/036698A1
The present disclosure, in general, relates to portable/transportable apparatuses, methods, and systems for generating and delivering sulfur trioxide on-site or near an item to be treated. The present disclosure also relates to portable/...  
WO/2019/031454A1
Provided are: a high-purity arylsulfonic acid amine salt vinyl monomer which has both of excellent storage stability and amphipathicity such that the monomer is soluble in both of water and an organic solvent and which is an extremely in...  
WO/2019/020016A1
Disclosed are a CA-4 antitumour drug, a synthesis method and the use thereof. The CA-4 antitumour drug introduces an alkoxy group or a fluorine-containing alkoxy group at the 4' position of a natural product, i.e., combretastatin, and ca...  
WO/2019/004114A1
Provided is a production method for efficiently synthesizing a compound (1-2) which is an important intermediate in production of edoxaban. The method comprises dripping a compound (1-1) into a solution A that is obtained by causing a re...  
WO/2019/006025A1
Aspects of the present disclosure include antibacterial aromatic sulfonyl fluoride agents. The subject aromatic sulfonyl fluoride agents have a pharmacophore that can provide for potent antibacterial activity. The subject agents are comp...  
WO/2019/002447A1
The present invention relates to a process for the production of alkane sulfonic acid with a regulator as well as two specific compounds which can be used as regulator in a respective process.  
WO/2018/228079A1
The present invention discloses a fluorescent probe for detecting a sulfenated protein, having the following structural general formula (I). The fluorescent probe has good stability and can be preserved for long-term use. The fluorescent...  
WO/2018/219728A1
The present invention relates to a process for the manufacturing of methane sulfonic acid (MSA) by reaction of a radical initiator composition with methane and sulfur trioxide comprising the steps (a) preparation of the intiator composti...  
WO/2018/219726A1
The present invention deals with a process for the production of alkanesulfonic acids, in particular methanesulfonic acid, and a method of purification of the raw products.  
WO/2018/211457A3
A method includes combining first components including at least one of CF2=CF-CF2-OSO2Cl or CF2=CF-CF2-OSO2CF3, a polyfluorinated compound having at least one ketone or carboxylic acid halide, and fluoride ion to provide a compound compr...  
WO/2018/211457A2
A method includes combining first components including at least one of CF2=CF-CF2-OSO2Cl or CF2=CF-CF2-OSO2CF3, a polyfluorinated compound having at least one ketone or carboxylic acid halide, and fluoride ion to provide a compound compr...  
WO/2018/212216A1
Provided is a method for producing an optically active isomer, the method including an asymmetry induction step in which an asymmetry-inducing agent is caused to act on chiral molecules having an enantiomeric-excess half-life period less...  
WO/2018/208701A1
Aspects of the invention relate to systems and processes for recovering methanesulfonic acid, in a purified form, from a composition additionally including sulfur trioxide. In accordance with one aspect, the invention provides a process ...  
WO/2018/192954A1
The invention relates to a process for purifying alkanesulfonic anhydride which comprises the following steps of: (a) feeding a stream comprising alkanesulfonic anhydride, sulfuric acid, high boilers and residual low boilers into a melt ...  
WO/2018/186436A1
The present invention provides: a novel anionic hydrophilic group-containing (meth)acrylamide compound represented by formula (I), which is highly durable under acidic and/or alkaline conditions and has excellent antifouling properties a...  
WO/2018/181906A1
Provided is a novel alkyl sulfate ester having a carbonyl group, or a salt of this alkyl sulfate ester. A compound which is characterized by being represented by formula R1-C(=O)-(CR2 2)n-(OR3)p-(CR4 2)q-L-OSO3X. (In the formula, R1 repr...  
WO/2018/172783A1
There is described a method of reducing polymer tar build-up in the production of methyl methacrylate and/or methacrylic acid by the acetone cyanohydrin process. In the method a stabiliser is contacted with the amide stage reaction mediu...  
WO/2018/172677A1
The present invention relates to a method for producing 2-acrylamido-2-methylpropane sulphonic acid comprising at least the following successive steps: 1) mixing acrylonitrile with at least one SO3 delivery compound at a temperature of b...  
WO/2018/172676A1
The present invention relates to a crystalline form hydrated with 2-acrylamido-2-methylpropane sulphonic acid having an x-ray diffraction pattern on powder comprising spikes at 10.58°, 11.2°, 12.65°, 13.66°, 16.28°, 18.45°, 20°, 2...  
WO/2018/169252A1
The present invention relates to an N-benzyl-N-phenoxyl carbonyl-phenyl sulfonamide derivative, which inhibits PGE2 generation by means of inhibiting microsomal prostaglandin E2 synthase-1 (mPGES-1) and has enhanced activity, a method fo...  
WO/2018/161892A1
A benzene sulfonamide compound having structural features of formula (I) or a pharmaceutically acceptable salt thereof, a preparation method therefor, and use thereof as an indoleamine 2,3-dioxygenase 1 (IDO1) inhibitor. Experimental res...  
WO/2018/158333A2
An absorbent material which can be obtained by crosslinking, more particularly by the thermal crosslinking of a polymer material with a sulphosuccinic acid material. The sulfosuccinic acid material is devoid, or substantially devoid of a...  
WO/2018/158333A3
An absorbent material which can be obtained by crosslinking, more particularly by the thermal crosslinking of a polymer material with a sulphosuccinic acid material. The sulfosuccinic acid material is devoid, or substantially devoid of a...  
WO/2018/158334A1
The invention relates to a method for producing sulfosuccinic acid and compounds derived therefrom by reacting fumaric acid, maleic acid, maleic acid anhydride and compounds with sulphur dioxide in the presence of water, derived from sai...  
WO/2018/149991A1
The present invention relates to particular sulfonamide derivatives, the pharmaceutically acceptable addition salts thereof, the hydrates thereof and/or the solvates thereof, and also the use thereof as inverse agonists of retinoid-relat...  
WO/2018/146153A1
The present invention relates to methods for the production of alkane sulfonic acids, especially methane sulfonic acid, from alkane, especially methane, in which a carbocation, particularly a carbenium ion, is formed, as well as to the u...  
WO/2018/144800A1
Provided are compositions, methods and devices for reducing scarring during healing of a tissue wound. The compositions and methods involve use of sphingosine-1 -phosphate (SIP), and/or an expression vector that encodes sphingosine kinas...  
WO/2018/132445A1
A method of: reacting a dihydroxybenzene with bromine to form a bromodihydroxybenzene; reacting the bromodihydroxybenzene with trifluoromethanesulfonyl chloride or trifluoromethanesulfonic anhydride to form a bromotrifluorometiianesulfon...  
WO/2018/117467A1
Disclosed in the specification is a method which selectively separates an R type enantiomer contained in a racemate (R/S=1/1) of N-[4-(1-amino-ethyl)-2,6-difluoro-phenyl]-methanesulfonamide , and then can convert the same back into the r...  
WO/2018/104105A1
The invention relates to a method for producing 3-substituted 2-vinylphenylsulfonates.  
WO/2018/106238A1
Processes and systems for separating a mixture including at least one fluorocarboxylic acid and at least one carboxylic acid are provided herein. In some aspects, the present invention relates to processes and systems configured to provi...  

Matches 1 - 50 out of 9,522