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)
01/2014
01/01/2014CN102153434B Method for preparing aryl ketone
12/2013
12/25/2013EP2675784A1 Bio-based linear alkylphenyl sulfonates
12/25/2013CN103476745A Diamine compound containing sulfonic acid group, and method for producing same
12/25/2013CN103468228A Surface active agent and oil-soluble viscosity reducer for crude oil as well as preparation method of surface active agent
12/25/2013CN103467446A Preparation method of imatinib mesylate alpha crystal form
12/25/2013CN103467366A Preparation method of 4-(4-dimethylaminostyryl)methylpyridyl p-toluenesulfonate
12/25/2013CN103467346A Method for preparing N-[4-(sulfamide)phenyl]methacrylamide
12/25/2013CN103467345A Lacquer-wax fatty acid methyl ester sulfonate and preparation method thereof
12/25/2013CN103467336A Synthesis process of doxycycline hydrochloride intermediate 11alpha-chlorinated methacycline
12/25/2013CN103467309A Aqueous-phase synthesis method of super capacitor electrolyte
12/25/2013CN103464049A Perfluorohexyl sulfonyloxy benzyl cation surfactant as well as preparation method and application thereof
12/25/2013CN102807511B Method for extracting taurine from mussel
12/25/2013CN102633691B Method for preparing optically active L-D-3-bromocamphor-10-sulfonic acid
12/25/2013CN102631864B Amphoteric Gemini surfactant and method for preparing same
12/25/2013CN102504247B Hyperbranched polymer, hyperbranched polycarboxylic acid-series super plasticizer and preparation method thereof
12/25/2013CN102503861B Ring opening method of propane diacid and diethyl ester double N-heterocyclic propane compound
12/25/2013CN102464598B Fatty acid amide polyoxylethylene ether benzene sulfonate and preparation method thereof
12/25/2013CN102414172B Method for producing alkanolamine salt of alpha-sulfo fatty acid alkyl ester
12/24/2013US8614346 Methods and compositions for preparation of amphetamine conjugates and salts thereof
12/24/2013US8614201 Heterocyclic amides as modulators of TRPA1
12/19/2013WO2013186305A1 Process for preparing an internal olefin sulfonate
12/19/2013US20130338227 Green Glycine Betaine Derivative Compounds And Compositions Containing Same
12/18/2013EP2674395A1 Process for production of fluorosulfonylimide ammonium salt
12/18/2013CN103450172A Preparation method of antipsychotic drug lurasidone
12/18/2013CN103450057A Synthesis method of p-toluene sulfonic acid pleuromutilin ester
12/18/2013CN103450056A Mahogany petroleum sulfonate preparation method for oil exploitation
12/18/2013CN103450055A Preparation method of improved sulfosuccinate penetrant
12/18/2013CN103450054A Preparation method of 1,4-butylene glycol gemini di-sec-octyl succinate sodium sulfonate
12/18/2013CN103450053A Preparation method of ethylene glycol gemini di-isooctyl succinate sodium sulfonate
12/18/2013CN103450052A Preparation method of 1,3-propylene glycol gemini di-sec-octyl succinate sodium sulfonate
12/18/2013CN103450051A Preparation method of 1,4-butylene glycol gemini di-n-octyl succinate sodium sulfonate
12/18/2013CN103450050A Purification method of trifluoromethanesulfonic anhydride
12/18/2013CN103450049A Preparation method of 1,3-propylene glycol gemini di-n-octyl succinate sodium sulfonate
12/18/2013CN103450015A Synthetic method of tri-n-butyl citrate
12/18/2013CN103446943A Gemini perfluoroalkylsulfonyloxybenzyl cationic surfactant as well as preparation and application thereof
12/18/2013CN102993062B Preparation method for producing 1,6-sodium naphthalenedisulfonate by use of 2-naphthalene sulfonic acid reaction mother liquid
12/18/2013CN102807513B Process utilizing H acid mother liquor to recover and produce chromotropic acid sodium salt
12/18/2013CN102351812B Methanesulfonic acid cinepazide crystal form III and preparation method thereof
12/18/2013CN102260199B Composite sulfonating agent and application thereof
12/18/2013CN102030687B Method for preparing sulfonium salt and sulfonium salt prepared by same
12/18/2013CN101273011B Potassium perfluoroalkane sulfonate and process for production thereof
12/17/2013US8609881 Cure accelerators for anaerobic curable compositions
12/12/2013US20130331610 Halogenated Pyrazolo[1,5-A]Pyrimidines, Processes, Uses, Compositions and Intermediates
12/11/2013EP2671878A1 Substituted n-pentanamide compounds, preparation methods and uses thereof
12/11/2013CN203333542U Condensation and neutralization reaction device for preparing dispersing agent MF
12/11/2013CN103443071A Improved method for the preparation of low overbased alkyltoluene sulfonate
12/11/2013CN103435649A Bidentate phosphine functionalization ionic liquid and synthetic method thereof
12/11/2013CN103435523A Preparation method for (1R, 2S)-2-fluoro-cyclopropanamine tosylate
12/11/2013CN103435522A Preparation method of 1,3-propanediol gemini dioctyl sodium sulfosuccinate
12/11/2013CN103435521A Preparation method of ethylene glycol gemini di-n-octyl phthalate sodium sulfosuccinate
12/11/2013CN103435520A Preparation method of 1,4-butanediol gemini dioctyl sodium sulfosuccinate
12/11/2013CN103435519A Preparation method of ethylene glycol gemini di-sec-octyl phthalate sodium sulfosuccinate
12/11/2013CN103432959A Surface active agent containing hexafluoropropylene tripolymer group and preparation method thereof
12/11/2013CN102911089B Method for preparing iron p-toluenesulfonate and solution thereof
12/11/2013CN102659646B Method for preparing beta-amino-carbonyl compounds
12/05/2013WO2013181083A1 A laundry detergent composition and method of making thereof
12/04/2013CN103421175A N,N'-bis fatty acyl hydroxyethyl aliphatic diamine polyoxyethylene ether carboxylate or sulfonate, and preparation method thereof
12/04/2013CN103420976A Method for preparing imatinib and mesylate
12/04/2013CN103420876A Method for improving use ratio of sulfonating agent
12/04/2013CN103420875A CLT acid production method
12/04/2013CN103012224B Production process of medicinal sulphaguanidine
12/04/2013CN102942509B Synthetic method of etamsylate
12/04/2013CN102584641B Process for preparing alkylphenol formaldehyde oligomer sulfonate
11/2013
11/28/2013US20130316248 Process for the preparation of compounds containing perfluoroalkanesulfonic acid groups
11/27/2013CN203307265U Automated production system of poly-phenol polyoxyethylene sulfonates
11/27/2013CN103408473A A method of extracting natural taurine from scallop viscera
11/27/2013CN103408472A Preparation method of ion pair chromatographic reagent sodium n-undecyl sulfonate
11/27/2013CN103408471A Preparation method of ion pair chromatographic reagent sodium n-dodecyl sulfonate
11/27/2013CN103408470A Preparation method of ion pair chromatographic reagent sodium n-tridecyl sulfonate
11/27/2013CN103408469A Preparation method and application of novel polymeric surfactant
11/27/2013CN103408468A Alkyl (sulfonated phenethyl) benzene sulfonate and preparation method thereof
11/27/2013CN102898336B Preparation method of tamsulosin hydrochloride
11/27/2013CN102838514B Synthetic method of hexamethylene flusulfamide
11/27/2013CN102775331B Environment-friendly synthesis technology of o-methyl formate benzenesulfonic acid
11/27/2013CN102757370B Derivatives of p-aminobenzoic acid and applications thereof
11/27/2013CN102617408B Amino acid benzyl derivative and intermediate thereof
11/27/2013CN102604023B Sulfoacid/carboxylic acid type hydrophilic chain extender and preparation method thereof
11/27/2013CN102503912B High epoxide number environment-friendly plasticizer production process
11/27/2013CN102216262B Method for producing aqueous alpha-sulfo fatty acid alkyl ester salt solution
11/26/2013US8592629 Sulfonamide derivatives as Nav 1.7 inhibitors
11/21/2013WO2013172412A1 Method for producing sulfonyl amide compound containing fluorinated aliphatic group and method for producing anionic hydrophilic group-containing surfactant
11/21/2013WO2013172190A1 Method for producing imidic acid compound
11/21/2013WO2013170738A1 Agomelatine acid radical composite, and preparation method and application thereof
11/21/2013US20130310600 Process for preparation of isosulfan blue
11/20/2013CN203295399U Device system for purifying tobias acid from tobias acid liquid waste
11/20/2013CN103396402A Substituted aminoindanes and analogs thereof, and pharmaceutical use thereof
11/20/2013CN103396345A Preparation method of acid chrome blue K
11/20/2013CN102746196B Sulfonating technique for producing dye dispersant MF (melamine-formaldehyde)
11/20/2013CN102417471B Preparation method of 4-amino-2-sulfonic benzoic acid
11/20/2013CN102408285B Method for directly aminating benzyl hydrocarbon of methylbenzene derivative
11/19/2013CA2595889C N-halogenated amino acids and n,n-dihalogenated amino acids in combination with hypohalous acids
11/13/2013CN103391896A Manufacturing method for fluorosulfonylimide ammonium salt
11/13/2013CN103387524A Preparation method of fomesafen
11/13/2013CN103387523A Preparation method of calconcarboxylic acid sodium salt
11/13/2013CN103387522A Method for extracting taurine from golden-brownalgae
11/13/2013CN103387521A Method for extracting taurine from shellfish meat
11/13/2013CN102702035B Method for continuously preparing fluorinated vinyl ether
11/13/2013CN102701989B Method for removing nitrosamine from dinitroaniline herbicides
11/13/2013CN102633693B Method for synthesizing dimethyl isophthalate-5-sodium sulfonate
11/13/2013CN102618244B Betaine surfactant and preparation method and application thereof
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