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)
02/2014
02/19/2014CN103588683A Synthesis technique of paratoluensulfonyl chloride
02/19/2014CN103585925A Preparation method of double-end based amide type glycine betaine surfactant and application thereof
02/19/2014CN102875427B Synthetic method of 2-methoxy methylmesylate
02/19/2014CN102659644B Crystal forms of 2-aminoethyl sulfonic acid and preparation processes for crystal forms
02/19/2014CN102531955B Preparation method of olsalazine disodium and postprocessing method of methyl sulfonation reaction
02/19/2014CN102267929B Preparation of novel N-amino acid substituted azulene sulfamide medicine and anti-gastric ulcer actions thereof
02/19/2014CN101687741B 2-(alkylcarbonyloxy)-1,1-difluoroethanesulfonic acid salt and method for producing the same
02/18/2014CA2610228C Process for the synthesis of sulfonyl halides and sulfonamides from sulfonic acid salts
02/13/2014WO2014026073A1 Compositions with increased stability for inhibiting transient receptor potential ion channel trpa1
02/12/2014EP2694471A1 Process for the preparation of a sulfated derivative of 3,5-diiodo-o-[3-iodophenyl]-l-tyrosine
02/12/2014CN103571567A Cyclotriphosphazene ionic liquid used as lubricant and preparation method thereof
02/12/2014CN103571566A S-triazine ionic liquid used as lubricant and preparation method thereof
02/12/2014CN103570676A Preparation of imatinib mesylate alpha crystal and pharmaceutical composition thereof
02/12/2014CN103570595A Preparation method of 5-chlorine-2-aminobenzene sulfonamide
02/12/2014CN103570593A Method for extracting taurine from oysters
02/12/2014CN103570592A Acesulfame synthesis and acylation production process
02/12/2014CN103570591A Method for removing residues out of dimethyl sulfate
02/12/2014CN103570590A Equipment for producing dimethyl sulfate
02/12/2014CN103570589A Synthesis and preparation of salicylaldehyde-sulfanilamide derivative and application of salicylaldehyde-sulfanilamide derivative in anti-cancer drugs
02/12/2014CN103566851A Dimethyl sulfate esterification reaction tower
02/12/2014CN103566839A Adjustable downward-spray film sulfonation reactor and application thereof
02/12/2014CN103566614A Dimethyl sulfate rectifying tower
02/12/2014CN102875428B Method for performing ring-opening for cyclohexylaziridine by carboxylic acid
02/12/2014CN102875421B Aziridine compound loop opening method based on p-nitrobenzoic acid
02/12/2014CN102295586B Method for synthesizing petroleum sulfonate in micro reactors
02/12/2014CN102143941B Manufacturing method for sulfonic acid group-containing ether compound
02/06/2014WO2014020614A2 Process for the synthesis of tetrafluoroethanesulfonic acid
02/06/2014WO2014020071A1 Ionic liquids for selective sulfur dioxide absorption
02/06/2014US20140039220 Method for producing diamine compound
02/05/2014EP2692721A1 Diamine compound containing sulfonic acid group, and method for producing same
02/05/2014EP2692413A1 Ionic liquids for selective sulfur dioxide absorption
02/05/2014EP2691366A1 Improved method for the preparation of low overbased alkyltoluene sulfonate
02/05/2014CN103553987A Methyl sulfone chloride acyl azide preparation method
02/05/2014CN103553986A Method for preparing 3,4-diamino-benzenesulfonamide
02/05/2014CN103553985A 4-methoxy-N,N-bisubstituted phenyl-1,3-benzene bisulfonamide compound and application thereof
02/05/2014CN103553984A 2-(4'-methoxy phenoxy)-4-nitro methanesulfonanilide crystal form and preparation method thereof
02/05/2014CN103553983A Novel dye intermediate and active dye prepared from same
02/05/2014CN103553982A Preparation technology of 2,4-diaminobenzenesulfonic acid
02/05/2014CN103553981A Sodium fatty acyl oxyisopropyl sulfonate as well as synthetic method and application thereof
02/05/2014CN103553980A Preparation method of ion pair chromatographic-grade reagent sodium 1-heptanesulfonate
02/05/2014CN103553979A Multifunctional neutralization device for producing anionic surfactant
02/05/2014CN103553978A Sulfamide benzylation method
02/05/2014CN103553977A Benzyl sulfonic acid derivative preparation method
02/05/2014CN103553962A Preparation method of synthesized N-(1-substituted phenyl) alkyl hydroxylamine derivative salt
02/05/2014CN103553956A Polycationic viscoelastic compositions
02/05/2014CN103553948A Ionic liquid containing ester-based functional group as well as preparation method and application thereof
02/05/2014CN103553860A Method for synthesizing sulfamide compounds
02/05/2014CN103553857A Method for preparing o-trifluoromethyl phenylamine and derivatives thereof
02/05/2014CN102452963B Production method for 2-acrylamide-2-methylpro panesulfonic acid
02/05/2014CN102329254B Method for preparing N-[4-[1-hydroxy-2-[(1-methylethyl)amino]ethyl]methylsulfonyl benzylamine hydrochloride
02/04/2014US8642809 Methods of synthesis of certain hydroxamic acid compounds
02/04/2014US8642808 Bis-aryl sulfonamides
02/04/2014CA2672914C Process for production of precursor compound for radioactive halogen-labeled organic compound
01/2014
01/30/2014WO2014016657A1 Process for the preparation of phosphonium sulfonates
01/30/2014WO2014016530A1 Specific sulfonate compounds that can be used as electrolyte solvent for lithium batteries
01/30/2014WO2014016130A1 Method for preparing a sulfonimide compound and salts thereof
01/29/2014EP2688977A1 Highly-concentrated flowable salts of alkyl polyalkoxy sulphates
01/29/2014EP2688868A1 Method for the synthesis of dha
01/29/2014CN103540694A Hydrogenated castor oil sulfosuccinate fatting agent and preparation method thereof
01/29/2014CN103539742A Preparation method of ionic liquid type hydroxylamine salt
01/29/2014CN103539709A N-(-1-hydro-indenyl-1-yl)sulfonamide compound and its preparation method and use
01/29/2014CN103539708A Water-soluble fluorescent crystalline state network compound as well as synthetic method and application thereof
01/29/2014CN103539707A Preparation process of 2-naphthylamine-3,6,8-trisulfonic acid
01/29/2014CN103539691A N, N'-di-fatty acyl diethoxy aliphatic diamine dipolyoxypropylene ether carboxylate or sulfonate as well as preparation method thereof
01/29/2014CN102690641B Sulfonate surfactant and preparation method thereof
01/28/2014CA2535265C Compositions and methods for the treatment of disease associated with trp-p8 expression
01/23/2014WO2014012467A1 Diarylaniline or diarylpyridinamine compound and preparation method and medical use thereof
01/23/2014US20140024855 Process to produce fluorinated betaines
01/22/2014CN103534867A Ionic liquid containing sulfonate ions
01/22/2014CN103534329A Highly-concentrated flowable salts of alkyl polyalkoxy sulphates
01/22/2014CN103534232A Process for the preparation of a sulfated derivative of 3,5-diiodo-o-[3-iodophenyl]-l-tyrosine
01/22/2014CN103524460A Sulfanilamide derivative as well as preparation method and application thereof
01/22/2014CN103524387A Preparation method of imidodisulfuryl fluoride lithium salt
01/22/2014CN103524386A Method for preparing 2-amino-4-methanesulfonamide methylbenzoate
01/22/2014CN103524385A Preparation method for modified disperse dye dispersing agent and product
01/22/2014CN103524384A Salt-extracting treatment method of inorganic salt sodium sulfate in sulfonate liquor
01/22/2014CN103524370A Fatty acid mixture amide propyl betaine and preparation method thereof
01/22/2014CN102702040B Method for preparing high-purity docusate sodium
01/22/2014CN102491575B Method for performing comprehensive treatment by utilizing waste water from production of ternary monomer
01/22/2014CN102489216B Preparation method and application of amphoteric fluorinion-containing ionic surfactant
01/15/2014CN103509006A Flumatinib mesylate crystal form, and preparation method and use thereof
01/15/2014CN103508927A Method for preparing 2-methanesulfonyl amino diphenyl ether
01/15/2014CN103508926A Synthesis method of p-toluenesulfonic anhydride
01/15/2014CN103508925A Preparation method for methanesulfonic acid
01/15/2014CN103506138A Preparation method of copper powder carrier catalyst for bromamine acid Ullman condensation reaction
01/09/2014US20140012024 Method for the synthesis of dha
01/08/2014EP2681225A2 Metal salts of a dialkyl ester of 5-sulfoisophthalic acid and method of preparing same
01/08/2014CN103502208A Method for producing diamine compound
01/08/2014CN103497126A Synthesis method of tamsulosin hydrochloride
01/08/2014CN102516134B Process for hydrolyzing alpha-olefin sulfonate and system for hydrolyzing alpha-olefin sulfonate
01/08/2014CN102441312B Recyclable ionic liquid type carbon dioxide absorbent and preparation method thereof
01/08/2014CN102206175B Method for preparing DSD (4,4'-Diamino 2,2'-Stilbene Disulphonic) acid by hydrogenating and reducing disodium dinitrosalicylate (DNS) at high temperature
01/02/2014US20140005420 Salts and Polymorphs of a Tetracycline Compound
01/02/2014US20140005149 Substituted diphenyl derivatives
01/01/2014CN103492360A Synthesis of hydroxyalkyl amides from esters
01/01/2014CN103483230A Preparation method of sulfanilamide
01/01/2014CN103483229A ATP releasing agent and germ fast detection reagent containing ATP releasing agent
01/01/2014CN103483228A Preparation method of sodium hydroxyethyl sulfonate fatty acid ester
01/01/2014CN103483117A Method for producing compound
01/01/2014CN103480163A Device for removing dioxane from ethoxylation alkyl sulfate through centrifugal spray
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