Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 303 - Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
Patents for C07C 303 - Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides (11,473)
12/2012
12/27/2012US20120330008 Novel process for the preparation of bazedoxifene acetate and intermediates thereof
12/27/2012US20120328519 Dentric polyglycerol sulfates and sulfonates and their use for inflammatory diseases
12/27/2012CA2837625A1 Composition comprising fatty acyl isethionate and synthetic wax and method producing the same
12/26/2012EP2537829A1 Aminobenzoylsulfamides and their preparation
12/26/2012CN202626061U Synthesizing device of ethylmethane sulfonate
12/26/2012CN102838553A Synthesis method for electron carrier 1-methoxyl-5-methyl phenazine methosulfate
12/26/2012CN102838515A Cinnamoyl sulfonamide compound preparation and applications of cinnamoyl sulfonamide compounds in anti-tumor treatment drugs
12/26/2012CN102838514A Synthetic method of hexamethylene flusulfamide
12/26/2012CN102838513A Preparation method of 2-naphthylamine 3, 6, 8 trisulfonic acid
12/26/2012CN102838232A Process for processing 2-sodium naphthalene sulfonate mother liquor by blowing and resin absorption
12/26/2012CN101759612B Method for producing sodium fatty acid methyl ester sulfonate
12/26/2012CN101311151B Process for the preparation of 3,3-dimethylbutanal
12/25/2012US8338054 Proton transporting material, starting material thereof, ion exchange membrane, membrane electrolyte assembly, and fuel cell using the same
12/20/2012WO2012173694A1 Ionic liquid containing sulfonate ions
12/20/2012WO2012173235A1 Compound, radical polymerization initiator, method for producing compound, polymer, resist composition, and method for forming resist pattern
12/20/2012WO2012171484A1 Substituted cyanoaniline compounds, preparation and use thereof
12/19/2012CN202610136U Waste liquor discharge-free dominant bath continuous sulfonating device
12/19/2012CN202606023U Absorption device for neutralization and restoration tail gas in production of CLT acid
12/19/2012CN102827206A Pradefovir crystal
12/19/2012CN102827040A Preparation method of 6-gingesulfonic acid
12/19/2012CN102827032A Cyano-diphenylamine-containing compounds and applications thereof
12/19/2012CN102824907A Catalyst for preparing DNS (4, 4'-dinitrostilbene-2, 2'-disulfonic acid) acid and salt of DNS acid and preparation method of catalyst
12/19/2012CN101481338B Synthesizing method and use of vanadium taurate
12/18/2012CA2477326C Improved process for the preparation of stabilized polyalkenyl sulfonic acids
12/13/2012US20120316058 Ionic liquids having uronium of thiouronium cations
12/12/2012CN202595008U 2-amino-4-methyl-5-chlorobenzene sulfonic (CLT) acid production equipment
12/12/2012CN202595007U Chloration reaction tower used for CLT acid production
12/12/2012CN202590804U Anti-clogging alkali fusion kettle for H-acid production
12/12/2012CN202590801U Nitration reaction kettle for CLT acid production
12/12/2012CN202590799U Sulfonation reaction still for producing chlorotoluene (CLT) acid
12/12/2012CN202590772U Alkali fusion reaction still for producing H-acid
12/12/2012CN202590607U Synthesis tail gas absorbing device for CLT acid production
12/12/2012CN202590585U Hydrogen chloride absorption device for producing 2-amino-4-methyl-5-chlorobenzene sulphonic acid
12/12/2012CN202590458U Solid-liquid separation device for producing CLT acid
12/12/2012CN102816154A Amorphous state monohydrate (-)-doxazosin mesylate and preparation method and application thereof
12/12/2012CN102816097A Salt, photoresist composition and method for producing photoresist pattern
12/12/2012CN102816092A Device for continuously preparing m-benzenedisulfonic acid
12/12/2012CN102816043A Production method for sulfonyl isocyanate
12/11/2012US8329934 Isotopically labeled chemically stable reagents and process for the synthesis thereof
12/11/2012US8329757 Curcumin analog compositions and related methods
12/06/2012WO2012163799A1 Chiral synthesis of n-{3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]-6-methoxyphenyl}-1-[2,3-dihydroxy-propyl]cyclopropanesulfonamides
12/06/2012US20120310010 Method for producing sulfonamides
12/06/2012CA2837162A1 Chiral synthesis of n-{3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]-6-methoxyphenyl}-1-[2,3-dihydroxy-propyl]cyclopropanesulfonamides
12/05/2012EP2530186A1 Process for producing perfluorobutanesulfonic acid salt
12/05/2012CN102807520A Ionic liquid and power storage device including the same
12/05/2012CN102807515A Method for synthesizing 3-methylsulfonylamido-4-phenoxy-6-(N-formyl)amidoacetylphenol
12/05/2012CN102807514A Substituted phenylenediamine derivative and preparation method and application thereof
12/05/2012CN102807513A Process utilizing H acid mother liquor to recover and produce chromotropic acid sodium salt
12/05/2012CN102807512A Method for producing 2-naphthol 6,8 potassium hydrazinodisulfonate by partial circulation of mother liquor
12/05/2012CN102807511A Method for extracting taurine from mussel
12/05/2012CN102806047A Amino acid gemini surfactant and preparation method and application thereof
12/05/2012CN101693677B Preparation method of ion pair chromatography reagent sodium pentanesulfonate, sodium hexanesulfonate, sodium heptanesulfonate or octane sodium sulfonate
12/04/2012US8324417 Process for the preparation of (S)-2-amino-5-cyclopropyl-4,4-difluoropentanoic acid and alkyl esters and acid salts thereof
11/2012
11/28/2012CN102803207A Fluorosurfactants
11/28/2012CN102796029A Clean synthesis process for cosmetic grade 2-hydroxy-4-methoxybenzophenone-5-sulfonic acid
11/28/2012CN102795953A Method for synthesizing caffeic acid amide derivative by using caffeic acid and sulfanilamide drug as raw materials and application
11/28/2012CN101811999B Method for preparing sulfonates of components of different groups of petroleum distillate
11/28/2012CN101811997B Water-soluble self-doping aniline oligomer and preparation method thereof
11/28/2012CN101747239B Method for separating and refining trifluoro-methanesulfonyl fluoride CF3SO2
11/28/2012CN101747238B Method for separating and preparing methanesulfonyl fluoride CH3SO2F by material generated after reaction of methylsufonyl chloride and potassium fluoride
11/28/2012CN101628884B Preparation method of ampholytic surfactant and application thereof in tertiary oil recovery
11/28/2012CN101351443B Method for producing sulfonamides
11/27/2012CA2604341C Process to obtain a highly soluble linear alkylbenzene sulfonate
11/22/2012WO2012112828A4 Bio-based linear alkylphenyl sulfonates
11/22/2012US20120296109 Levodopa Prodrugs, and Compositions and Uses Thereof
11/21/2012CN102791680A Process for preparation of alkyl methanesulfonate solution
11/21/2012CN102791679A Method for producing 4-chlorobenzene sulphonic acid and 4,4'-dichlorodiphenylsulphone
11/21/2012CN102786452A Preparation method of bis(sulfonyl fluoride) imine and (perfluoroalkyl sulfonyl fluorine sulfonyl) imine alkali metal salt
11/21/2012CN102786451A Preparation method of bis(sulfonyl fluoride) imine and (perfluoroalkyl sulfonyl fluorine sulfonyl) imine alkali metal salt
11/21/2012CN102786450A Method for synthesizing perfluor alkyl sulfonyl imine metal salt
11/21/2012CN102786449A Ionic liquid synthesized from perfluoroalkyl sulfonyl imide alkali metal salt
11/21/2012CN102786448A Method of synthesizing belinostat
11/21/2012CN102786447A N,N-disubstituted aryl sulfonamide compound as well as preparation method and purpose of N,N-disubstituted aryl sulfonamide compound
11/21/2012CN102786446A New production process for chlorosulfonation of para-ester by using thionyl chloride
11/21/2012CN102786445A Method and device for producing m-nitrobenzenesulphonic acid
11/21/2012CN102786444A Preparation method for sulfonates of sibutramine analogues
11/21/2012CN102786443A Binary or ternary fluorine-containing sulfimide alkali metal salt and ionic liquid and applications thereof
11/21/2012CN102786422A Method for preparing rasagiline mesylate
11/21/2012CN102786372A Synthesis of m-nitrobenzaldehyde derivative
11/21/2012CN102784586A Fluorine-containing surfactant and preparation method thereof
11/21/2012CN102127091B Heterocyclic ring-containing schiff base compound
11/21/2012CN102127005B Intermediate of alvimopan and synthesis method thereof
11/21/2012CN102093551B Method for preparing alkylphenol polyether sulfate
11/21/2012CN102060737B Secondary alkyl sodium sulfonate posttreatment method
11/21/2012CN101972707B Preparation method and application of pyrite inhibitor
11/21/2012CN101935522B Preparation of long-chain alkyl acyl benzene sulfonic acid sodium salt and application thereof in enhancing oil recovery rate
11/21/2012CN101869815B Preparation of hybrid fluorine-containing surfactant and application in weak cationic fabric three-proof finishing agent
11/21/2012CN101575306B Method for preparing sivelestat sodium
11/21/2012CN101386586B Modified alkyl sulfate and preparation method thereof
11/20/2012US8314148 Selective hydroxamate based MMP inhibitors
11/15/2012WO2012118973A3 Metal salts of a dialkyl ester of 5-sulfoisophthalic acid and method of preparing same
11/14/2012CN102781888A Highly Z-selective olefin metathesis
11/14/2012CN102775697A Halogen-free environmentally-friendly cationic antistatic agent and preparation method thereof
11/14/2012CN102775332A Preparation method of N-substituted sulfonamides compounds
11/14/2012CN102775331A Environment-friendly synthesis technology of o-methyl formate benzenesulfonic acid
11/14/2012CN102775320A Dextro-gossypol amino acid sodium salt derivative for blocking invasion of H5N1 avian influenza virus, and preparation method and application thereof
11/14/2012CN102276822B Alkylphenol polyoxyethylene ether hydroxyl sulfonate type betaine and preparation method thereof
11/14/2012CN101884954B Novel Li-Be flotation regulator and preparation method and using method thereof
11/14/2012CN101850305B Novel mica inhibitor and preparation method and use method thereof
11/08/2012WO2012122667A8 Betaine surfactants and preparation methods and uses thereof
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