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)
09/2012
09/19/2012CN102675162A Method for synthesizing CLT acid
09/19/2012CN102675161A Method for preparing DSD acid
09/19/2012CN102675160A Device and method for continuously producing sodium methyl taurate in pipeline mode
09/19/2012CN102675159A Photoacid generating monomer and precursor thereof
09/19/2012CN102675153A Antitumor action and preparation method of dicarboxylic acid monoester derivatives of hydroxamic acid
09/19/2012CN102675145A Preparation method of guaiacol sulfonate doxycycline
09/19/2012CN102671657A 6-chloro-3-nitrotolyl-4-sulfonic acid liquid-phase hydrogenation catalyst and preparation method thereof
09/19/2012CN102295767B Jet device and method for removing dioxane from fatty alcohol polyoxyethylene ether sulfate
09/19/2012CN101973913B Clean synthesis method of high purity iron(III) p-toluenesulfonate
09/18/2012CA2549604C Synthesis of optically pure (r)-5-(2-aminopropyl)-2-methoxybenzenesulphonamide
09/13/2012US20120232104 Novel sulfonamides as l-cpt1 inhibitors
09/12/2012CN202430146U Industrial production device for para toluene sulfonamide
09/12/2012CN102659834A Quaternary ammonium class ionic liquid compound containing hydroxy groups and preparation method thereof
09/12/2012CN102659762A Crystal form of imatinib mesylate and preparation method thereof
09/12/2012CN102659647A Method for producing oxydibenzenesulfonyl hydrazide (OBSH) by using caustic soda replacing ammonia water
09/12/2012CN102659646A Method for preparing beta-amino-carbonyl compounds
09/12/2012CN102659645A Method for synthesizing ethylmethane sulfonate
09/12/2012CN102659644A Crystal forms of 2-aminoethyl sulfonic acid and preparation processes for crystal forms
09/12/2012CN102659643A Method for preparing substituted homotaurine from alpha, beta-unsaturated amide
09/12/2012CN102659642A Preparation method of antistatic agent onium salt fluoride
09/12/2012CN102659617A L-tyrosine derivative, medicine compound and application thereof
09/12/2012CN102659195A Processing method for chemical production wastewater
09/12/2012CN102658133A Method for preparing active carbon carrying precious metal catalyst
09/11/2012CA2445159C Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
09/07/2012WO2012118973A2 Metal salts of a dialkyl ester of 5-sulfoisophthalic acid and method of preparing same
09/07/2012WO2012117961A1 Manufacturing method for fluorosulfonylimide ammonium salt
09/07/2012CA2828722A1 Metal salts of a dialkyl ester of 5-sulfoisophthalic acid and method of preparing same
09/07/2012CA2826547A1 Production process for fluorosulfonylimide ammonium salt
09/06/2012US20120225981 Metal salts of a dialkyl ester of 5-sulfoisophthalic acid and method of preparing same
09/05/2012CN102653518A Alpha-sulfo-fatty acid disodium, and preparation method and application thereof
09/05/2012CN102050778B Method for synthesizing gliclazide and intermediate thereof
09/05/2012CN101723863B Preparation method of purple active dye
09/05/2012CN101723859B Method for isomerizing 2,6-naphthalene disulfonic acid into 2,7-naphthalene disulfonic acid
09/05/2012CN101597245B Antioxidation method used in the process of synthesizing Igepon A
09/05/2012CN101519351B Method for preparing high allyl alcohol ester
09/05/2012CN101503381B 1-oxo tetralin-2-sulfonic acid amide, preparation thereof and use as bactericide
09/05/2012CN101402591B Process for preparing high-purity trifluoromethyl sulphonic acid
09/04/2012US8257868 Molten salt composition and use thereof
08/2012
08/30/2012US20120220785 Sultone compound derivatives substituted by nucleophiles, in particular radionuclides, and use thereof for marking macromolecules
08/30/2012US20120220778 Process for the synthesis of naratriptan
08/29/2012EP2492259A1 Thiolates as non-migrating PVC softener
08/29/2012EP2491013A1 Lithium salts of pentafluorophenylamide anions, preparation thereof and use thereof
08/29/2012EP2491012A2 Use of an acetic acid/water solvent mixture for the preparation of low-sulfate 5-sulfoisophthalic acid, mono-lithium salt from 5-sulfoisophthalic acid
08/29/2012CN202400993U Alpha-alkenyl sulphonate hydrolyzing system
08/29/2012CN202398125U Baking kettle
08/29/2012CN102649772A Artificially-synthesized taurocyamine and synthetic method thereof
08/29/2012CN101856600B Amphoteric ionic Gemini surfactant and synthetic method thereof
08/29/2012CN101845056B C1 symmetrical chiral diene ligand, synthesis method and application thereof to asymmetric reactions
08/29/2012CN101450922B Method for extracting perfluoroetane sulfonic acid and perfluorooctanoic acid ammonium from perfluorochemical-containing solid
08/29/2012CN101450921B Optimization of 1,4-butanedisulfonic acid disodium preparation technology
08/23/2012WO2012112828A1 Bio-based linear alkylphenyl sulfonates
08/23/2012WO2012110092A1 Tamsulosin derivatives
08/23/2012US20120214724 Mixtures OF C10-C13 Alkylphenyl Sulfonates
08/23/2012US20120213726 Bio-based linear alkylphenyl sulfonates
08/23/2012DE112010003618T5 Biphenyltetrasulfonsäureverbindung, verfahren zur herstellung derselben, polymer und polymerelektrolyt Biphenyltetrasulfonsäureverbindung, processes for making them, polymer and polymer electrolyte
08/23/2012CA2827658A1 Bio-based linear alkylphenyl sulfonates
08/22/2012CN102643368A Method for synchronously extracting taurine, chitin and polypeptide from shrimp heads and shrimp leftovers
08/22/2012CN102643218A Fluorescent material and preparation method and application thereof
08/22/2012CN102643217A Method for circularly producing benzene sulfonyl chloride
08/22/2012CN102643216A Method for preparing surfactant by using extracted oil alkylation product sulfonation method
08/22/2012CN102642946A Treatment method of waste water produced in process for producing caprolactam by utilizing toluene method
08/22/2012CN102641691A Sulfamate gemini surfactant and preparation method thereof
08/22/2012CN102205248B Preparation method of high-selectivity DSD (4,4'-Diaminodiphenylethylene-2,2'-disulfonic acid) hydrogenation catalyst
08/22/2012CN101381331B Method for preparing color-forming intermediate H acids
08/22/2012CN101381330B Application of roasted product of magnesia-alumina hydrotalcite in adsorption treatment of naphthol green B
08/22/2012CN101367751B 105% acid sulfonation manufacturing technique of 2-naphthalenol
08/16/2012WO2012108284A1 Process for production of fluorosulfonylimide ammonium salt
08/16/2012CA2826747A1 Process for production of fluorosulfonylimide ammonium salt
08/15/2012CN202379912U 2B acid and 4B acid recovering device
08/15/2012CN102633697A Naphthenic sulfonamide series compounds and preparation method thereof as well as application of compounds serving as bactericides and herbicides
08/15/2012CN102633696A Method and technology for preparing p-substituted alkyl benzene sulfonyl chloride by two-step synthesis
08/15/2012CN102633695A Preparation method and technology of 4-isopropyl benzene sulfonyl chloride
08/15/2012CN102633694A Fluorescent probe for detecting mercapto compounds as well as preparation method and using method of fluorescent probe
08/15/2012CN102633693A Method for synthesizing dimethyl isophthalate-5-sodium sulfonate
08/15/2012CN102633692A Method for preparing optically active L-D-3-bromocamphor-8-sulfonic acid
08/15/2012CN102633691A Method for preparing optically active L-D-3-bromocamphor-10-sulfonic acid
08/15/2012CN102633690A Method for preparing levo- and dextro-camphor sulfonic acid by induced crystallization and resolution of racemized camphor sulfonic acid
08/15/2012CN102633689A Method for preparing taurine by adopting sulfonation of ammonium sulfite
08/15/2012CN102633688A Perfluorovinyl ether sulfonate as well as preparation method and application thereof
08/15/2012CN102633687A Method and technology for preparing p-substituted alkyl benzene sulfonyl chloride
08/15/2012CN102631916A Mesoporous carbon catalyst with load palladium (Pd) and application of mesoporous carbon catalyst
08/15/2012CN102631864A Amphoteric Gemini surfactant and method for preparing same
08/15/2012CN102631863A Anionic type fluorocarbon surfactant and preparation method thereof
08/15/2012CN101492402B Method for recycling asulam by-product to prepare asulam
08/14/2012US8242300 Process for selective, partial, substantially solvent-free, oxidation of methane to methanol and/or a methanol derivative with a heterogeneous catalyst and sulfur trioxide
08/09/2012WO2012105586A1 Perfluorobutane sulfonyl fluoride, potassium perfluorobutane sulfonate salt, and method for producing perfluorobutane sulfonyl fluoride
08/09/2012WO2012103799A1 Substituted n-pentanamide compounds, preparation methods and uses thereof
08/09/2012US20120203031 Sustainable chemical process for reduction of nitro compounds (R-NO2) or nitroso compounds (R-NO) containing sulphonic or carboxylic group into corresponding amino compounds (R-NH2) with inherent recycle of all acidic streams generated in synthesis
08/09/2012US20120203030 Photoacid generator, method for producing the same, and resist composition comprising the same
08/08/2012EP2484662A1 Method for producing perfluorosulfonic acid having ether structure and derivative thereof, and surfactant containing fluorine-containing ether sulfonic acid compound and derivative thereof
08/08/2012EP2483224A1 Highly z-selective olefin metathesis
08/08/2012CN102629074A Photoacid generator, method for producing the same, and resist composition comprising the same
08/08/2012CN102627589A Method and technology for synthesizing and preparing 4-isopropylbenzenesulfonyl chloride through two steps
08/08/2012CN102627588A Method for removing solvent in petroleum sulfonate production
08/08/2012CN102627587A Method for preparing 1-substituted tramiprosate from alpha, beta-unsaturated nitrile
08/08/2012CN102627586A Photoacid generator, method for producing the same, and resist composition comprising the same
08/08/2012CN101690875B Technology for producing fatty alcohol polyethyleneglycol ether sulfate with low dioxane content by continuous vacuum tube type neutralization
08/07/2012US8236986 Process for preparing acylsulfamoylbenzamides
08/02/2012US20120196884 Urea substituted sulphonamide derivatives
08/01/2012EP2480526A1 Crystalline forms and processes for the preparation of pgi2 receptor agonists
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