93305 ⎘
Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides; Separation; Purification; Stabilisation; Use of additives Separation; Purification
Sub-classes:SYNTHESIS PROCESS FOR HIGH PURITY ISOSULFAN BLUE USING FLASH CHROMATOGRAPHY IN COMMERCIAL PLANT SCALE
#2COMPOSITION, SYSTEM AND METHOD FOR REMOVAL OF DETERGENTS FROM AQUEOUS SOLUTIONS
#38-[(2-HYDROXYNAPHTHALEN-1-YL)DIAZENYL]NAPHTHALENE-1,3-DISULFONIC ACID AS AN ANTIOXIDANT COMPOUND
#4SALT CRYSTALS
#5AMORPHOUS SUBSTANCES, CRYSTALS, PHARMACEUTICAL COMPOSITIONS, PREPARATION METHODS AND USES OF THIOHYDANTOIN COMPOUND OR PHARMACEUTICALLY ACCEPTABLE SALT THEREOF
#6METHOD FOR PRODUCING ORGANIC SULFONIC ACID COMPOUND
#7METHOD FOR PREPARING TAURINE, METHYLTAURATE AND METHYLTAURINE SIMULTANEOUSLY
#8PHARMACEUTICALLY ACCEPTABLE SALT OF ELIGLUSTAT AND CRYSTAL FORM THEREOF
#9SYSTEM FOR PURIFICATION OF ACRYLAMIDO TERTIARY BUTYL SULFONIC ACID AND PROCESS THEREOF
#10Sulfonated Lignin-Derived Compounds And Uses Thereof
#11QUINOLINE COMPOUND SALT OR CRYSTAL FORM, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF
#12PURIFICATION OF ALIPHATIC TAURATE AMIDE
#13HIGH-EFFICIENCY CYCLIC PREPARATION METHOD FOR COLUMNAR TAURINE
#14Method for recycling taurine mother liquor
#15Process for producing alkali taurinate
#16Process for producing taurine
#17SYSTEM FOR SYSTEM FOR PREPARING HIGH-PURITY TAURINE AND SALT
#18METHOD FOR PRODUCING FLUORINATED ETHER COMPOUND
#19Sulfonated lignin-derived compounds and uses thereof
#20PROCESS SULFONATION OF AMINOETHYLENE SULFONIC ESTER WITH CARBON DIOXIDE ADDITION TO PRODUCE TAURINE
#21SYSTEM FOR REMOVING IMPURITIES OUT OF TAURINE MOTHER LIQUOR AND TAURINE MOTHER LIQUOR RECOVERY
#22Method for preparing taurine and method for recovering mother liquor thereof
#23PROCESS FOR MANUFACTURING ALKANESULFONIC ACIDS
#24Method for removing SOand CHfrom mixtures which contain methane sulfonic acid
#25METHOD FOR REMOVING SO3 AND CH4 FROM MIXTURES WHICH CONTAIN METHANE SULFONIC ACID
#26System and method for efficiently preparing taurine
#27Method for preparing taurine
#28RECOVERY OF WATER-FREE METHANESULFONIC ACID FROM THE BOTTOM STREAM OF A DISTILLATION COLUMN
#29METHOD FOR REDUCING THE CONCENTRATION OF SO3 IN A REACTION MIXTURE COMPRISING METHANE SULFONIC ACID AND SO3
#30Process for filtering 2-acrylamido-2-methylpropane sulfonic acid
#31Process for the production of anhydrous methanesulfonic acid from methane and SO3
#32Cyclic process for producing taurine from monoethanolamine
#33Method for the purification of acrylamido-2-methyl-2-propanesulphonic acid
#34Cyclic process for producing taurine from monoethanolamine
#35Cyclic process for producing taurine from monoethanolamine
#36CATIONS AS CATALYST IN THE PRODUCTION OF ALKANE SULFONIC ACIDS
#37Process for preparation of Glycopyrrolate Tosylate
#38Method and system for preparing high-purity taurine and salt
#39Dodecyl sulfate-doped poly(3,4-ethylenedioxythiophene) film and manufacturing method therefor
#40Polymorphic forms of Belinostat and processes for preparation thereof
#41Sulfonated lignin-derived compounds and uses thereof
#42METHOD FOR PREPARING IMIDE SALTS CONTAINING A FLUOROSULFONYL GROUP
#43PROCESS FOR PRODUCING ALKALI TAURINATE
#44Method and production system for fully recovering and treating taurine mother liquor
#45Process for the manufacturing of alkanesulfonic acids
#46Method and system for removing impurities out of taurine mother liquor and taurine mother liquor recovery
#47Composition, system and method for removal of detergents from aqueous solutions
#48Process for the manufacturing of methane sulfonic acid
#49Process for the production of alkanesulfonic acids
#50Process for producing taurine
#51Process for purifying alkanesulfonic anhydride and process for producing alkanesulfonic acid using the purified alkanesulfonic anhydride
#52Processes and systems for recovering methanesulfonic acid in purified form
#53Method for preparing (R)-N-[4-(1-amino-ethyl)-2,6-difluoro-phenyl]-methanesulfonamide
#54Antifungal compound process
#55Method for producing 2-acrylamido-2-methylpropane sulphonic acid
#56SYSTEMS AND METHODS FOR SEPARATING MIXTURES COMPRISING FLUOROCARBOXYLIC AND CARBOXYLIC ACIDS
#57Method for producing C2-C20 fluorine-containing organic acid, and composition comprising C2-C20 fluorine-containing organic acid
#58Solvent-free alkane sulfonation
#59NOVEL PROCESS FOR THE PREPARATION OF BELINOSTAT
#60Polymorphic forms of belinostat and processes for preparation thereof
#61Compound comprising certain level of bio-based carbon
#62Method for producing fluorine-containing sulfonylamide compound
#63Isosulfan blue, its crystalline form and process for preparation thereof
#64Antifungal compound process
#65Sulfonated aromatic compounds
#66Process for producing taurine
#67CYCLIC PROCESS FOR PRODUCING ALKALI TAURINATE
#68CYCLIC PROCESS FOR PRODUCING ALKALI TAURINATE
#69CYCLIC PROCESS FOR PRODUCING ALKALI TAURINATE
#70Method for producing low molecular weight aromatic lignin-derived compounds
#71Method of reprocessing alkanesulfonic acid
#72Process for purifying alkanesulfonic acids
#73Process for producing alkali taurinate
#74Antifungal compounds and processes for making
#75Antifungal compound process
#76A PROCESS FOR PRODUCING TAURINE
#77Intermediate of preparing high-purity sulfonamide compound
#78PROCESS FOR PRODUCING TAURINE
#79Method for preparing taurine
#80Process for producing alkali taurinate
#81Cyclic process for producing taurine
#82Cyclic process for producing taurine
#83Alkylaromatic sulfonate compositions from mixed hydrocarbons
#84Alkylaromatic sulfonate compositions from mixed hydrocarbons
#85Pure isophthalaldehyde bisulfite adduct and novel preparation method thereof
#86METHODS AND COMPOUNDS USEFUL IN THE SYNTHESIS OF OREXIN-2 RECEPTOR ANTAGONISTS
#87Manufacture of a charge director
#88Method for preparing high-purity sulfonamide compound, and intermediate of sulfonamide compound
#89Chiral resolution method of N-[4-(1-aminoethyl)-phenyl]-sulfonamide derivatives
#90Crystal form of dabigatran etexilate mesylate and preparation method and use thereof
#91Cyclic process for production of taurine from alkali vinyl sulfonate
#92Process for producing taurine
#93Methods and compounds useful in the synthesis of orexin-2 receptor antagonists
#94N-Substituted Glycinium (Fluorosulfonyl)(Trifluoromethylsulfonyl)imide Compound
#95Process for the synthesis of [6,6]-phenyl-Cbutyric acid pentyl ester (PC61BP)
#96Synthesis of [F]-fluoroalkyl tosylate
#97Method for purifying acrylamide alkyl sulfonic acid
#98Preparation method of solid acrylamidealkyl sulfonate
#99POLYMORPHIC FORMS OF LOMITAPIDE AND ITS SALTS AND PROCESSES FOR THEIR PREPARATION
#100Cyclic process for the production of taurine from alkali isethionate
#101Process for producing taurine from alkali taurinates
#102High-purity sodium p-styrenesulfonate with excellent hue, method for producing the same, poly(sodium p-styrenesulfonate) with excellent hue using the same, and dispersant and synthetic starch for clothing finishing using the poly(sodium p-styrenesulfonate)
#103Method for preparing a sulfonimide compound and salts thereof
#104Cyclic process for the production of taurine from monoethanolamine
#105Membrane separation of ionic liquid solutions
#106METHOD FOR PRODUCING PERFLUOROSULFONIC ACID HAVING ETHER STRUCTURE AND DERIVATIVE THEREOF, AND SURFACTANT CONTAINING FLUORINE-CONTAINING ETHER SULFONIC ACID COMPOUND AND DERIVATIVE THEREOF
#107Polymorphic form of N-(S)-(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)-6-methoxyphenyl)-1-(2,3-dihydroxypropyl)cyclopropane-1-sulfonamide and uses thereof
#108SIMPLIFIED RADIOSYNTHESIS OF [18F]FLUOROMETHYL BROMIDE
#109Separation and Manipulation of a Chiral Object
#110Fluoroalkanesulfonic acid production method
#111Method and Process for the Degradation of Cyclic Ethers in Ethoxylate-Containing Actives
#112Process for removing dioxane from a composition
#113Process for reducing inorganics from anionic surfactant solutions
#114Polymorphic form of N-(S)-(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)-6-methoxyphenyl)-1-(2,3-dihydroxypropyl)cyclopropane-1-sulfonamide and uses thereof
#115Use of an acetic acid wash to prepare low-sulfate 5-sulfoisophthalic acid, mono-lithium salt
#116Process for preparing and purifying salts of acrylamido-2-methylpropanesulfonic acid
#117Chemoselective enrichment for compound isolation
#118Method for producing methanesulfonic acid alkyl ester solution
#119Polymorphic form of N-(S)-(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)-6-methoxyphenyl)-1-(2,3-dihydroxypropyl)cyclopropane-1-sulfonamide and uses thereof
#120Metal salts of a dialkyl ester of 5-sulfoisophthalic acid and method of preparing same
#121METHOD FOR PRODUCING PERFLUOROSULFONIC ACID HAVING ETHER STRUCTURE AND DERIVATIVE THEREOF, AND SURFACTANT CONTAINING FLUORINE-CONTAINING ETHER SULFONIC ACID COMPOUND AND DERIVATIVE THEREOF
#122Process for recovering and recycling an acid catalyst
#123Process for reducing inorganics from and concentrating anionic surfactant solutions
#124Purification of fluoroalkanesulfonate salts
#125Polymorphic form of N-(S)-(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)-6-methoxyphenyl)-1-(2,3-dihydroxypropyl)cyclopropane-1-sulfonamide and uses thereof
#126PROCESS FOR PRODUCING PERFLUOROALKYLSULFONIC ACID SALT
#127Method for producing alkoxycarbonylfluoroalkanesulfonic acid salt
#128High purity electrolytic sulfonic acid solutions
#129Method for producing anionic surfactant
#130Sulfated psyllium derivative for reducing the risk of chronic human diseases and method for preparing the same
#131Purification of 5-sulfoisophthalic acid by the use of an acetic acid wash on a crude cake
#132PROCESS FOR RECOVERING SULFONIC ACID CATALYST AND NOBLE PRODUCTS FROM ACRYLATE HEAVY ENDS
#1332-acrylamide-2-methylpropanesulfonic acid and process for producing the same
#134Method for isolating concentrated paraffin sulfonic acids
#135Process for producing vinyl sulfonic acid
#136Process for production of precursor compound for radioactive halogen-labeled organic compound
#137Process for preparing alpha-sulfo-fatty acid ester salt surfactants
#138Polymorphic form of N-(S)-(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)-6-methoxyphenyl)-1-(2,3-dihydroxypropyl)cyclopropane-1-sulfonamide and uses thereof
#139Semiconductor mechanical sensor
#140Semiconductor mechanical sensor
#141Separation and manipulation of a chiral object
#142Removal of residual sulfur dioxide from dimethyl sulfate
#143Process and Compound
#144Process for Manufacturing Optically Pure (R) or (S)-5-(2-Aminopropyl)-2-Methoxybenzene Sulfonamide
#145Preparation of R-5- (2-(2-Ethoxyphenoxyetylamino) -2-Methoxybenzen-Sulphonamide Hydrochloride of High Chemical
#146High purity electrolytic sulfonic acid solutions
#147Process for the preparation of enantiomerically pure (r) or (s)-5-(2-aminopropyl)-2-methoxybenzenesulfonamide
#148Process for the resolution of racemic (R,S) -5-(2-(2-(2- ethoxyphenoxy) ethylamino)Propyl)-2-methoxybenzene sulfonamide (tamsulosin), its novel R and S isomers and their salts and processes for their preparation
#149Removal of alkyl alkanesulfonate esters from alkanesulfonic acids and other organic media
#150Semiconductor mechanical sensor
#151Method for treating an imide organic solution bearing a sulphonyl group
#152Manufacture of alkyl benzene sulphonic acids
#153Semiconductor mechanical sensor
#154Process for the production of metal salts of radical-polymerizable compounds
#155Process for resolution of tamsulosin and compounds, compositions, and processes associated therewith
#156Process for preparing R- and S-isomers of (R)-5-(2-( (2-(2-ethoxyphenoxy) ethyl) amino) propyl) -2-methoxybenzenesulfonamide
#157Process for producing crystal of benzenesulfonamide derivative, and novel crystal of intermediate therefor and process for producing the same
#158Semiconductor mechanical sensor
#159Process for the separation of R(-)-and S(+)-5-[2-[[2-(2-ethoxyphenoxy)ethyl]amino]propyl]-2- methoxybenzenesulfonamide
#160Synthesis process for high purity isosulfan blue using flash chromatography in commercial plant scale
#1618-(2-hydroxybenzylideneamino)naphthalene-1,3-disulfonic acid as an antioxidant compound
#1628-((2-hydroxy-5-methylphenyl)diazenyl)naphthalene-1,3-disulfonic acid as an antioxidant compound
#1638-(4-methoxybenzylideneamino)naphthalene-1,3-disulfonic acid as an antioxidant compound
#1648-(4-chlorobenzylideneamino)naphthalene-1,3-disulfonic acid as an antioxidant compound
#1658-((3-formyl-4-hydroxyphenyl)diazenyl)naphthalene-1,3-disulfonic acid as an antioxidant compound
#166Cannabidiol-3-sulfonic acid, preparation method and application thereof, and cannabidiol derivative
#167Method for producing taurine and method for removing impurity from reaction system for producing taurine
#168High-yield circular production method of taurine
#169Method of fabricating [F-18]FEONM precursor
#170Cyclic process for producing taurine
#171Method for preparing taurine
#172Cyclic process for producing taurine
#173Process for producing taurine from alkali taurinates