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Matches 1 - 50 out of 9,374

Document Document Title
WO/2018/008040A1
The invention relates to an improved process for the preparation N-[4-[[4-(diethyl amino) phenyl] (2,5-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N - ethylethanaminium inner salt sodium salt (Isosulfan blue) of formula I. The ...  
WO/2018/004606A1
Complexation of metal ions using chelating agents within a subterranean formation can often be desirable, such as to temper the formation of metal-containing precipitates. However, many chelating agents are produced commercially in an al...  
WO/2018/000404A1
Provided in the present application is a method for preparing taurine, characterized in comprising the following steps: (a) mixing isethionate with a taurine salt solution so that the system pH reaches a certain value between 5.0 and 9.5...  
WO/2017/220512A1
The present invention relates to a compound according to Formula (3), wherein the compound comprises from 28 wt.% to 100 wt.% bio-based carbon content, relative to the total mass of carbon in the compound, measured according to standard ...  
WO/2017/217757A1
The present invention relates to modified taurine and a method for preparing the same and, more particularly, to modified taurine different from conventional taurine in a distance between an intramolecular carbon (C) atom and a sulfur (S...  
WO/2017/218764A1
Provided is a method of preparing isosulfan blue.  
WO/2017/218516A1
Compositions comprising a conjugated polymer and one more compounds of structure (I) or (II) or a salt or stereoisomer thereof, wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, L1, L2, L3, L4, L5, a, b and n are as defined herein, p...  
WO/2017/212289A1
The present invention relates to a method of reducing, cleaving and/or coupling at least one C=O, C-O, C=C or C=N bond of a compound, using a reagent comprising a stannyl cation.  
WO/2017/209294A1
According to the present invention, it is possible to safely and easily obtain sulfonimidized aromatic compounds using various substrates and a novel sulfonimidization agent by irradiating, with light in the presence of an oxidizer, a co...  
WO/2017/209120A1
The present invention relates to a liquid detergent composition for textile products which includes: at least 10 mass% but not more than 60 mass% of component (A), namely C17-24 internal olefin sulfonates wherein the mass ratio (IO-1S)/(...  
WO/2017/209199A1
The present invention relates to a method for producing an acid dianhydride, which is characterized in that at least one of the two operations (A) and (B) described below is performed when an olefin compound is reacted with carbon monoxi...  
WO/2017/197870A1
The present invention belongs to a method for preparing p-carboxybenzene sulfonamide. A method for oxidatively synthesizing p-carboxybenzene sulfonamide by means of oxygen. The method comprises: oxygen is taken as an oxidizing agent, an ...  
WO/2017/197670A1
Disclosed in the present application is a method for synthesizing a 1,2-dimethylene cyclobutane chiral compound. The 1,2-dimethylene cyclobutane chiral compound is synthesized from an allenylamine compound in the presence of a rhodium co...  
WO/2017/191932A1
Provided are a novel water-soluble diacetylene monomer, a photolithography composition comprising the water-soluble diacetylene monomer and a conductive polymer, and a fine pattern preparation method using same. The water-soluble diacety...  
WO/2017/191332A3
A process of forming compounds of formula (I) comprising the steps of addition of an amino compound H2NR to a compound of formula (II) followed by cyclization, isomerization and hydrolysis.  
WO/2017/179026A1
Method and unit for reducing dioxane produced as a result of sulfonation of alcohol ether sulfates, said reduction being carried out by at least one distillation step in at least one flash evaporator tank under vacuum. It involves supply...  
WO/2017/175177A1
Oxathiazin-like compounds, processes for making new oxathiazin-like compounds, compounds useful for making oxathiazin-like compounds, and their uses are disclosed. Processes for efficient and safe manufacture of compounds useful for maki...  
WO/2017/168401A1
The present invention relates to a process for the preparation of amorphous Selexipag from Selexipag crystalline salts using a solvent.  
WO/2017/162545A1
The invention relates to a method for producing acrylamido tertiary-butyl sulfonic acid by determining the water content of a water-containing acrylonitrile and mixing the water-containing acrylonitrile with oleum, the dissolved sulfur t...  
WO/2017/150244A1
In the present invention, a perfluoroalkane sulfonyl imide acid metal salt is produced by reacting a perfluoroalkane sulfonyl halide with an organic base and ammonia or an ammonium halide to obtain a mixture containing "a salt or a compl...  
WO/2017/151330A1
The present invention discloses a process and catalysts for producing taurine by catalytic ammonolysis of alkali ditaurinate, alkali tritaurinate, and their mixture. Useful catalysts are the ammonium and alkali salts of sulfate, bisulfat...  
WO/2017/145716A1
In this production method according to the present disclosure, a 1,1'-binaphthyl derivative precursor having, at each of the 2-position and 2'-position of a 1,1'-binaphthyl skeleton, an electron-donating group including an oxygen atom di...  
WO/2017/138068A1
The present invention relates to: a method for producing a compound represented by formula (1), which comprises a step for hydrolyzing a compound represented by formula (2) under acidic or basic conditions, a step for reacting a compound...  
WO/2017/133675A1
The present invention relates to a method for preparing a high-purity cyclohexenone long-chain alcohol represented by formula I. The compound represented by formula I is prepared by using metal-mediated Barbier reaction. The method of th...  
WO/2017/124835A1
The present invention discloses a compound (I) having 1-sulfonamido-4-aryloxy as a basic backbone. A preliminary activity test showed that the compound of the present invention provides excellent interference of a binding of NRF2 by KEAP...  
WO/2017/126851A1
The present invention relates to a method for preparing lithium fluorosulfonylimide and, particularly, provides a method for preparing lithium fluorosulfonylimide from a mixture containing a fluorosulfonylimide inorganic salt, a lithium ...  
WO/2017/119666A1
The present invention relates to a chiral resolution method for a stereoisomeric mixture, the method comprising a step for mixing a stereoisomeric mixture of a compound, in which an amine group is attached to an asymmetric carbon atom, a...  
WO/2017/118882A1
The present invention relates to process for preparation of Isosulfan blue (Formula I) substantially free from desethyl impurity. (I)  
WO/2017/111598A1
The invention relates to a method for preparing a compound comprising two phenyl groups by reacting a bisfuranic compound with a dienophile; and to such compounds.  
WO/2017/104589A1
Provided is a method for producing a perfluoroalkylated compound at low cost, safely and with high efficiency. A method for producing a perfluoroalkylated compound, comprising reacting a bis(perfluoroalkanoyl)peroxide with a compound tha...  
WO/2017/093279A1
The present invention relates to a process for preparing alkanesulphonic acid by oxidizing an alkyl mercaptan, a dialkyl disulphide and/or a dialkyl polysulphide having three to nine sulphur atoms with an oxidizing agent, wherein additio...  
WO/2017/096333A1
The present invention provides a process for producing hydrogen bis(fluorosulfonyl)- imide (HFSI) by fluorination of a liquid hydrogen bis(chlorosulfonyl)imide (HCSI) using a gaseous hydrogen fluoride. In some embodiments, HFSI that is p...  
WO/2017/088819A1
The present application relates to a preparation method of intermediate compounds with formula II and formula III of a compound (N-{3-[3-(9H-purin-6-yl) pyridin-2-ylamino]-4-chloro-2-fluorophenyl}-3-fluoropropane- 1-sulfonamide) for regu...  
WO/2017/080831A1
The invention relates to a method for the preparation of bis(fluorosulfonyl)-imide, the method starts from bis(chlorosulfonyl)-imide or its respective derivatives, which is reacted with HF in the presence of chlorosulfonyl isocyanate, an...  
WO/2017/080991A1
The invention relates to a method for purifying alkanesulfonic acids, having the following steps: (a) distilling a melt which contains raw alkanesulfonic acid (1) in order to completely or partly separate low-boiling constituents, wherei...  
WO/2017/080994A1
The invention relates to a process for reprocessing alkane sulfonic acid, which is used in a chemical process as an agent, catalyst, or solvent, which comprises the following steps: (a) separating a stream containing alkane sulfonic acid...  
WO/2017/074220A1
The invention relates to methods for producing fluorinated acid esters, particularly bromodifluoroacetic acid and especially ethyl bromodifluoroacetate. Ethyl bromodifluoroacetate is an important reaction intermediate in the synthesis of...  
WO/2017/063155A1
The present invention provides compounds of formula I. The present invention also provides a preparation method for the compounds and a medicine composition comprising the compounds. The medicine composition can be used for treating a bo...  
WO/2017/049343A1
The present invention relates novel methods of synthesizing terphenyl compounds and in particular to novel methods for the synthesis of a compound of Formula I or intermediates thereof.  
WO/2017/050092A1
Provided is a method for preparing an intermediate of formula II for odanacatib, comprising a step of reducing the compound of formula II to a compound of formula IA, wherein the reduction is performed by adding a metal chloride and a me...  
WO/2017/046546A1
The invention relates to a method for producing 2-acrylamido-2-methylpropane sulfonic acid. Said method consists in reacting together acrylonitrile, fuming sulphuric acid and isobutylene. It is characterised in that the isobutylene conta...  
WO/2017/041665A1
Provided are a 3-(N,N-disubstituted amino group) propanamide derivative shown in a general formula (I) and a pharmaceutically acceptable salt thereof. Also provided are a 3-(N,N-disubstituted amino group) propanamide compound and a prepa...  
WO/2017/031599A1
A quaternary ammonium sulfonamide compound of formula (I): wherein R = (II), C1-C3 linear or branched alkyl, R1 and R2 are the same or different and selected from C1 to C18 linear or branched alkyl, R3 and R4 are the same or different an...  
WO/2017/023664A1
Methods of making an alpha-olefin sulfonic dimer acid (AOS dimer acid) are disclosed. In one method, an alpha-olefin is sulfonated, preferably with sulfur trioxide, to produce a mixture comprising an alpha-olefin sulfonic acid (AOS acid)...  
WO/2017/016943A1
A method for the obtainment of an ester or a halide of a fluorinated sulfonic acid from an salt of a sulfonic acid is herein disclosed. The method is particularly useful for recovering waste sulfonate salts from reaction mixtures obtaine...  
WO/2017/006929A1
The present invention makes it easy to obtain, with good yield and stereoselectivity, an optically active α-tetrasubstituted α-amino nitrile derivative, or an intermediate for the synthesis of said derivative, by reacting a cyanometala...  
WO/2017/003026A1
The present invention relates to a method for preparing N-(4-acetyl-2,6-difluorophenyl)methanesulfonamide, the method comprising a step of reacting 3,4,5-trifluoroacetophenone and methanesulfonamide in the presence of a nitrile solvent. ...  
WO/2016/198374A1
Substituted aromatic sulfonamides of formula (I) pharmaceutical compositions and combinations comprising said compounds and the use of said compounds for manufacturing a pharmaceutical composition for the treatment or prophylaxis of a di...  
WO/2016/197398A1
Disclosed are a sulfonic acid inner salt compound of amidine and a preparation method therefor. The product of a sulfonic acid inner salt of amidine is obtained and synthesized by adopting an o-aminobenzenesulfonyl chloride compound and ...  
WO/2016/194881A1
A method for producing an alkylamine derivative represented by formula (I) and having a urea bond or a salt of the alkylamine derivative, which comprises steps (a) and (b) described below. Step (a): (drawing) Step (b): a step for elimina...  

Matches 1 - 50 out of 9,374