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WO/2018/026396A1 |
There is disclosed a process for producing taurine by the ammonolysis of alkali isethionate in the presence of alkali ditaurinate or alkali tritaurinate, or their mixture, to inhibit the formation of byproducts and to continuously conver...
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WO/2018/018863A1 |
Disclosed are a mild and efficient preparation method for an α-acyloxy alkenyl amide compound and a use thereof in the synthesis of an amide and a polypeptide. The α-acyloxy alkenyl amide compound is obtained by an addition reaction of...
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WO/2018/021185A1 |
[Problem] To provide a morphology for storage and the like of a sulfonimide which was difficult to produce by conventional methods, which has a reduced content of halide, and which has polymerizable functional groups having improved spon...
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WO/2018/015191A1 |
The present invention relates to methods for adding an aqueous solution of alkane sulfonic acids to a reactor via a pipe or container, wherein a condensation reaction takes place after addition of the aqueous solution of alkane sulfonic ...
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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 ...
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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...
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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...
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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 ...
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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...
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WO/2017/218764A1 |
Provided is a method of preparing isosulfan blue.
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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...
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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.
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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...
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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)/(...
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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...
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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 ...
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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...
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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...
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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...
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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...
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WO/2017/168401A1 |
The present invention relates to a process for the preparation of amorphous Selexipag from Selexipag crystalline salts using a solvent.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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WO/2017/118882A1 |
The present invention relates to process for preparation of Isosulfan blue (Formula I) substantially free from desethyl impurity. (I)
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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...
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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...
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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...
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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...
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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)...
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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...
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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...
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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. ...
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