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)
04/2014
04/02/2014CN103694150A Method for producing sodium 2-hydroxy-6-naphthalene sulfonate
04/02/2014CN103694149A Method for producing 2,7-sodium naphthalene disulfonate by using reaction mother liquor of 2-naphthalene sulfonic acid
04/02/2014CN103694148A Production method of low-alkali-value sulfonate clearing agent
04/02/2014CN103694147A Preparation method of sulfonate clearing agent
04/02/2014CN103694101A Comprehensive utilization method of sodium hydrosulfite waste residue
04/02/2014CN102952044B Synthesis method of 2-acrylamide-2-methylpropanesulfonic acid (AMPS)
04/02/2014CN102911086B Preparation method of trifluoro methanesulfonic anhydride
04/02/2014CN102775697B Halogen-free environmentally-friendly cationic antistatic agent and preparation method thereof
04/02/2014CN102351755B Fluorine-containing imine cationic surfactant preparation method and application thereof
04/01/2014US8686179 Fluorinated aromatic bis(acyl)-containing compounds and polyesters prepared therefrom
04/01/2014US8685616 Photoacid generators and lithographic resists comprising the same
03/2014
03/26/2014CN103687848A Sustainable chemical process for isolation of naphthalene sulphonic acid compounds with inherent recycle of all acidic streams generated during isolation and washing
03/26/2014CN103665367A Fatty alcohol polyoxyethylene polyoxypropylene ether sulfonate and preparation method thereof
03/26/2014CN103665292A Sulfonic acid type water-based polyurethane chain extender and preparation method thereof
03/26/2014CN103665291A Zwitterionic hydrophilic chain extender and preparation method thereof
03/26/2014CN103664870A Onium compounds and methods of synthesis thereof
03/26/2014CN103664713A Method and device for preparing fluorine sulfimide acid
03/26/2014CN103664712A Method for preparing fluorine sulfimide lithium
03/26/2014CN103664711A Preparation technology of ibutilide fumarate intermediate
03/26/2014CN103664710A Preparation method of quinoline-free dispersing agent
03/26/2014CN103664709A Production method of 2-acrylamide-2-methylpropanesulfonic acid
03/26/2014CN103664708A Refining method of 2-acrylamidyl-2-methul propanesulfonic acid coarse product and product thereof
03/26/2014CN103664707A Acid sulfuric acid-beta-amino ester as well as synthesis method and application thereof
03/26/2014CN103657861A Preparation method of nickel sulfide mineral inhibitor and application thereof
03/26/2014CN103657683A Regeneration method of Pt/C catalyst
03/26/2014CN103657514A Preparation method of fluorine-containing non-ionic surface active agent and application
03/26/2014CN103657513A Gemini-type ampholytic surfactant based on perfluoroolefine and preparation method thereof
03/26/2014CN103657512A Perfluoroolefine type anionic gemini surfactant and preparation method thereof
03/26/2014CN102887836B L-phenylglycine derivative and application thereof
03/26/2014CN102875422B New synthesis method of N-acyl-N-methyltaurine
03/26/2014CN102675166B New intermediate for preparing 2-propylheptylic acid and preparation method thereof, and preparation method of 2-propylheptylic acid
03/26/2014CN102675162B Method for synthesizing CLT acid
03/26/2014CN102617409B Process for purifying alkyl alcohol ether sulfonate or alkyl phenol ether sulfonate
03/26/2014CN102485718B Sitagliptin intermediate and its preparation method
03/26/2014CN102442888B Method for producing 1,5-dihydroxy naphthalene
03/26/2014CN102030680B Novel oxime ether or ester derivatives with insecticidal activity
03/26/2014CN101811993B Process for preparing fatty acid ester sulfonate
03/26/2014CN101074207B Soluble chiral diamino derivative, its production and use
03/25/2014US8680319 Method for producing antifolate agents having glutamic acid part in their structure
03/25/2014CA2634567C Substituted cyclohexylmethyl derivatives
03/20/2014WO2014020614A3 Process for the synthesis of tetrafluoroethanesulfonic acid
03/20/2014US20140081043 Method For The Preparation of Low Overbased Alkyltoluene Sulfonate
03/19/2014EP2708528A1 Photoreactive monomers
03/19/2014CN103641768A Phenylindole high iodine salt compound, and preparation method and use thereof
03/19/2014CN103641751A Alkali metal salts of binary or ternary fluorine-containing sulfimide and ionic liquid and applications thereof
03/19/2014CN103641750A Surfactant containing aralkyl hydrophobic chain and amido bond linking group
03/19/2014CN103641749A Preparation method of nafamostat mesylate
03/19/2014CN103641748A Method for preparing methanesulfonic acid by recycling byproduct, namely hydrochloric acid
03/19/2014CN103641747A Method for ultrasound-microwave synthesis of stearyl alcohol polyoxyethylene (5) ether succinic acid diester sodium sulfonate
03/19/2014CN103638975A Supported gold catalyst, its preparation and its application
03/19/2014CN103183621B Calix[4]arene derivative, non-phosphorus scale inhibition, dispersion and corrosion inhibition agent, preparation method and application
03/19/2014CN102617413B Method for preparing sodium dimethyl isophthalate-5-sulfonate from high-concentration fuming sulfuric acid
03/19/2014CN102179225B Reaction device and reaction process for alkaline melt workshop section of resorcinol
03/18/2014US8674132 N-hydroxylsulfonamide derivatives as new physiologically useful nitroxyl donors
03/12/2014CN103635459A Process for producing fluorosulfuric acid aromatic-ring esters
03/12/2014CN103626736A Preparation method of imatinib mesylate alpha-crystal form
03/12/2014CN103626717A Compound for pigment
03/12/2014CN103626714A Method for synthesizing alpha-amino ketone from ketone and imine
03/12/2014CN103626682A Imine alkali metal salt and ion liquid as well as application thereof as non-water electrolyte
03/12/2014CN103626681A Method for preparing 4,4'-dinitrostilbene-2,2'-disulfonic acid
03/12/2014CN103626680A Diethylstilbestrol disulfamate derivatives and medicinal uses thereof
03/12/2014CN103623743A Fluorine-containing non-ionic surfactant, and preparation method and application thereof
03/12/2014CN103623742A Preparation method for branch type fluorine-containing nonionic sulphonate surfactant and application of branch type fluorine-containing nonionic sulphonate surfactant
03/12/2014CN103623740A Gemini surfactant containing sulfo group and sulfate group anions
03/12/2014CN102786448B Method of synthesizing belinostat
03/12/2014CN102617412B Preparation method of bromoamine acid
03/12/2014CN102603580B Preparation method of water-soluble high molecular weight growth agent
03/12/2014CN102190606B Preparation method of novel sulfonated grease
03/12/2014CN102143943B Polymorphs of acyl sulfonamides
03/12/2014CN101492400B Method for preparing high-purity acamprosate calcium
03/06/2014WO2014034681A1 Method for producing polyoxyethylene alkyl ether sulfate
03/06/2014WO2014034190A1 Radiation-sensitive resin composition, resist pattern forming method, radiation-sensitive acid generator, compound and method for producing compound
03/06/2014US20140066445 Composition and Methods for Modulating a Kinase Cascade
03/05/2014EP2703386A1 Method for producing diamine compound
03/05/2014EP2703383A1 Process for the preparation of agomelatine
03/05/2014EP2702038A1 Synthesis of hydroxyalkyl amides from esters
03/05/2014CN103613521A Water-phase synthetic method of probenecid
03/05/2014CN103613520A Preparation method for 4-aminobenzenesulfonic acid
03/05/2014CN103613519A Production method for dispersing agent XY
03/05/2014CN103613518A Preparation method of alpha-phenylethane sulfonic acid
03/05/2014CN103613517A Novel method for preparing taurine
03/05/2014CN101993398B Method for preparing 1,8-diamido-3,6-naphthalene disulfonic acid by catalytic hydrogenation
03/04/2014US8664423 Process for the preparation of acylated secondary alcohol alkoxylates and secondary alcohol alkoxylates
03/04/2014US8663897 Fluorine-containing sulfonates having polymerizable anions and manufacturing method therefor, fluorine-containing resins, resist compositions, and pattern-forming method using same
02/2014
02/27/2014WO2014030038A1 Method to produce n-acyl amino acid surfactants using n-acyl amino acid surfactants or the corresponding anhydrides as catalysts
02/27/2014WO2014029666A1 Process for sulfonating halobenzene derivatives with sulfur trioxide
02/27/2014US20140057959 Novel compounds derived from taurine, process of their preparation and pharmaceutical compositions containing these
02/26/2014EP2700632A1 Method for purification of calcium channel blockers of dihydropyridine type and preparation of nanoparticles thereof
02/26/2014CN103601658A Precursors of novel PET (polyethylene terephthalate) precursor-fluoride standard ML-10 and preparation method thereof
02/26/2014CN103601657A Method for preparing high range water-reducing admixture monomer by using CLT acid production wastewater original liquid, and compound product
02/26/2014CN103601656A Bisazo compound and composite black dye containing same
02/26/2014CN103601655A Method for extracting natural taurine from squid viscera
02/26/2014CN103601654A Preparation method of taurine substitute
02/26/2014CN103601645A Preparation method of 1-(phenethylamino) propane-2-alcoholic compounds or salts thereof
02/26/2014CN103242207B Amide compound and drilling fluid drag reducer as well as preparation method of drilling fluid drag reducer
02/26/2014CN102633694B Fluorescent probe for detecting mercapto compounds as well as preparation method and using method of fluorescent probe
02/26/2014CN102241611B Preparation method of S(-) ethyl p-methyl benzenesulfonyl propionate
02/20/2014WO2014027658A1 INTERMEDIATE FOR SYNTHESIS OF 1-(2-DEOXY-2-FLUORO-4-THIO-β-D-ARABINOFURANOSYL) CYTOSINE, INTERMEDIATE FOR SYNTHESIS OF THIONUCLEOSIDE, AND METHODS FOR PRODUCING THESE INTERMEDIATES
02/19/2014CN103596921A Chiral synthesis of N-{3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]-6-methoxyphenyl}-1-[2,3-dihydroxy-propyl]cyclopropanesulfonamides
02/19/2014CN103588684A Glycol sulfonate used as hydrophilic chain-extender and its preparation method and application thereof
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