Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
06/2014
06/25/2014CN103889934A 用于制备乙烯和/或丙烯以及异烯烃贫化的c4烯烃产物的方法 Process for the preparation of ethylene and / or propylene and iso-olefin product of olefin-depleted c4 for
06/25/2014CN103889932A 由包含叔烷基醚的给料制备乙烯和丙烯的方法 Tertiary alkyl ethers by the method comprising feeding ethylene and propylene was prepared
06/25/2014CN103880621A 制备7-甲氧基-2-萘满酮的还原方法 Preparation of 7-methoxy-2-tetralone reduction method
06/25/2014CN103880616A 原甲酸三甲酯中杂质的纯化方法及其专用设备 Purification of trimethyl orthoformate of impurities and special equipment
06/25/2014CN103880615A 一种聚甲氧基二甲醚的制备工艺方法及装置 A polylactic methoxy process for preparing dimethyl ether and apparatus
06/25/2014CN103880614A 聚甲醛二甲醚的合成方法 POM synthesis of DME
06/25/2014CN103880613A 制备聚甲醛二甲基醚的方法 Preparation methods POM dimethyl ether
06/25/2014CN103880612A 由多聚甲醛合成聚甲醛二甲基醚的方法 By paraformaldehyde paraformaldehyde dimethyl ether synthesis method
06/25/2014CN103880611A 一种双羟丙基双酚芴醚的制备方法 A dual-hydroxypropyl ether of bisphenol fluorene Preparation
06/25/2014CN103880610A 1-环己烷-6,7-二甲氧基-1,4-二氢萘及制备方法和用途 1- cyclohexane-6,7-dimethyl-1,4-dihydro-naphthalene and the preparation and use
06/25/2014CN103880609A 一种制备3,4-二甲氧基甲苯的方法 A method of preparing 3,4-dimethoxy toluene
06/25/2014CN103880608A 一种1,2,3,4-四氯-1,4-二烷氧基-1,3-丁二烯的合成方法 One kind of 1,2,3,4-tetrachloro-1,4-dioxane-1,3-butadiene synthesis
06/25/2014CN103880607A 一种润湿剂的生产方法 Producing a wetting agent
06/25/2014CN103880606A 一种液相甲醇脱水生产二甲醚的工艺方法 A process for the production of liquid methanol dehydration DME
06/25/2014CN103880605A 一种脱除甲基叔丁基醚中高沸点硫化物的方法 Methyl tert-butyl ether, a process for removing high boiling sulfides
06/25/2014CN103880573A 一种合成联苯型化合物的方法 Biphenyl-type compound, a synthetic method
06/25/2014CN103877995A 蒙脱土负载纳米Pd/Cu催化剂及其原位一锅法制备和应用 Montmorillonite supported nano Pd / Cu catalyst and in-situ preparation and application of legal pot
06/25/2014CN102757314B 2-羟基-3-氯丙基-2'-氯乙基醚的合成方法及应用 Synthesis of 2-hydroxy-2'-chloro-3-chloropropyl ether and Applications
06/25/2014CN102755904B 一种酸性分子筛与树脂复合催化剂及其制备方法 An acidic zeolite and resin composite catalyst and preparation method
06/25/2014CN102755903B 一种酸性分子筛与树脂复合催化剂的制备方法 Preparation of an acidic zeolite catalyst, and a resin composite
06/25/2014CN102718636B 一种含单偶氮2:1型铬络合物染料及其副产物的乙二醇单乙醚废液的回收处理方法 Recycle method type 1 chromium complex dyes and their byproducts of ethylene glycol monomethyl ether waste: one containing monoazo 2
06/25/2014CN102617300B 联合生产丙二醇甲醚和丙二醇甲醚醋酸酯的方法 The method of joint production of propylene glycol monomethyl ether and propylene glycol monomethyl ether acetate
06/25/2014CN102491862B 一种纯水中制备联芳类化合物的方法 One kind of pure water preparation methods biaryl compounds
06/25/2014CN102408317B 一种制备六氟异丙基甲基醚的方法 A method of hexafluoroisopropyl methyl ether prepared
06/25/2014CN101817761B 苯甲酸酯类衍生物及制备方法和应用 Benzoic acid ester derivatives and preparation method and application
06/25/2014CN101591226B 1,3-二芳基丙烷类衍生物及其用途 Propane-1,3-aryl derivatives and their use
06/19/2014WO2014060649A3 Manufacturing of alkyl ethers
06/19/2014US20140171691 Synthesis of Drop-in Liquid Fuels and Chemicals from Methanol, Ethanol or Syngas Using Mixed Catalysts
06/18/2014CN203648117U 外置反应器式甲缩醛精馏塔 External distillation column reactor type Methylal
06/18/2014CN203648116U 带有溶剂加入口的甲缩醛精馏塔 Methylal distillation column with a solvent to mouth
06/18/2014CN103864585A Method for preparing 3,4,5-triethoxy methylbenzene
06/18/2014CN103864584A Synthetic method of trimethylolpropane polyoxy butylene ether
06/18/2014CN103864583A Heptafluoropropyl-1,2,2,2-tetrafluoroethyl ether preparation method
06/18/2014CN103864548A Method for rapidly and efficiently preparing 1-haloalkyne
06/18/2014CN103864547A Method for catalyzing Sonogashira cross coupling reaction by virtue of trace 1-halogenated benzene-promoted CuI
06/18/2014CN103864097A SAPO-34 molecular sieve adopting diglycol amine as template agent, and synthesis method thereof
06/18/2014CN103864092A Synthesis method and application of composite pore zeolite beta
06/18/2014CN103864087A SAPO-34 molecular sieve with N-methyldiethanolamine as template, and its synthetic method
06/18/2014CN102659752B Tetracene derivative field effect transistor material and preparation method thereof
06/18/2014CN102643177B Preparation method of aromatic hydrofluoroethers
06/18/2014CN102482185B Vinyl ether compound, vinyl ether polymer, and method for producing vinyl ether compound
06/18/2014CN102432425B Preparation method of 1,3-disubstituted-3-aryl propylene compound and application thereof
06/18/2014CN102351664B Preparation method of pentadecylphenol polyoxyethylene ether high-biodegradability surfactant
06/18/2014CN102325745B Process for producing ether compound
06/18/2014CN102143931B Method for isolating di-trimethylol propane
06/18/2014CN101535220B Process for producing fullerene derivative
06/17/2014US8754264 Production method of unsaturated (poly)alkylene glycol ether monomer and production method of (poly)alkylene glycol chain-containing polymer
06/12/2014WO2014086908A1 Process for preparing alkoxylated alcohols
06/12/2014US20140163260 Method for carrying out exothermic catalytic reactions and a reactor for use in the method
06/12/2014US20140163250 Fluorinated aromatic bis(acyl)-containing compounds and polyesters prepared therefrom
06/11/2014EP2740719A1 Process for producing a-fluoroaldehydes
06/11/2014CN203635182U 一种制备甲缩醛的反应塔 A process for producing methylal reaction column
06/11/2014CN203635181U 由制冷装置执行分离和预热的一体化合成反应器 Separation is performed by a refrigerating apparatus and preheated integrated synthesis reactor
06/11/2014CN203635180U 由制冷装置执行分离和预热的自循环化学合成器 Performed by the refrigeration unit separate from the circulation and preheat the chemical synthesizer
06/11/2014CN203635179U 由制冷装置协同分离产物的自循环化学合成系统 Collaborative product isolated from the refrigeration unit from the circulation system of chemical synthesis
06/11/2014CN203635178U 由制冷装置产生内循环动力的化学合成系统 Generating power from the refrigeration cycle apparatus chemical synthesis system
06/11/2014CN203635177U 由制冷装置执行分离和预热的自循环合成反应系统 Performed by the refrigerating apparatus separate from the circulation and preheat the synthesis reaction system
06/11/2014CN203635176U 具有双上升动能的自循环合成反应器 Has a double increase in kinetic energy of the self-loop synthesis reactor
06/11/2014CN103849306A New method for comprehensive utilization of 1,4-butanediol distillation substrate
06/11/2014CN103848809A Dibenzocyclooctene lignans, microbial conversion products thereof and applications of the microbial conversion products
06/11/2014CN103848730A Production device system and production process for polymethoxy dimethyl ether (PODE)
06/11/2014CN103848729A Method for preparing polyoxymethylenedimethylether by using methanol and formaldehyde
06/11/2014CN103848728A Synthesis method of isoeugenol
06/11/2014CN103848727A Method of synthesizing dimethoxymethane by methanol catalytic oxidation one-step method
06/11/2014CN103848726A High-purity dihydroxybutyl ether and preparation method thereof
06/11/2014CN103846082A Mixed metal oxide catalyst loaded on mesoporous carbon, preparation method and application of mixed metal oxide catalyst
06/11/2014CN102617301B Synthesizing process for low rim tetra-benzyl substituted p-tert-butylcalix (4) arene derivative
06/11/2014CN102516028B Method for preparing methanol and dimethyl ether by taking calcium carbide furnace tail gas and sodium chlorate tail gas as well as other hydrogen-containing gas sources as raw materials
06/11/2014CN102320920B Method for removing benzyl protecting group of hydroxyl group
06/11/2014CN102241571B Preparation method of dibutoxy methane
06/11/2014CN102199086B Method for synchronously hydrolyzing cellulosic biomass
06/11/2014CN102177170B Novel ruthenium carbonyl complex having a tridentate ligand and manufacturing method and usage thereof
06/10/2014US8748671 Ether production method involving alcohol separation by an ionic liquid
06/06/2014CA2835459A1 New process for synthesizing 3-(2-bromo-4,5-dimethoxyphenyl) propanenitrile, and application in the synthesis of ivabradine and its addition salts to a pharmaceutically acceptableacid.
06/05/2014WO2014083261A1 Method for dehydrating ethanol into ethylene, with pretreatment of the feedstock
06/05/2014WO2014083260A1 Low-energy consumption method for dehydrating ethanol into ethylene
06/05/2014WO2014082838A1 Processes for treating olefin feedstreams and related oligomerization processes
06/04/2014CN203625263U 戊基桂醛二甲缩醛的生产装置 Amyl cinnamaldehyde dimethyl acetal production plant
06/04/2014CN103833532A Method for synthesizing polyoxymethylene dimethyl ethers under catalysis of rare earth elements
06/04/2014CN103833531A Method for preparing 2, 3, 4, 5-tetramethoxytoluene
06/04/2014CN103833530A Preparation method of organic intermediate 3-phenoxyl-1, 2-propylene glycol
06/04/2014CN103830209A Protein tyrosine phosphatase 1B (PTP1B) enzyme inhibitor, and preparation method and application thereof
06/04/2014CN103012075B Method for preparing dimethyl ether through activating carbon dioxide by using plasmas
06/04/2014CN102850192B Method for producing dimethyl ether by carrying out gas-phase dehydration on methanol
06/04/2014CN102757315B Device and method of co-production of dimethyl ether by methanol plant
06/04/2014CN102660012B Preparation method of hydroxy-terminated perfluoropolyether compound
06/04/2014CN102531852B Technology for preparing tert-butyl glycerol ethers by utilizing rare earth modified molecular sieve
06/04/2014CN102476980B Application of tungsten-based catalyst in lignin catalytic hydrogenation for producing aromatic compound
06/03/2014CA2690840C Conversion of carbon dioxide to dimethyl ether using bi-reforming of methane or natural gas
05/2014
05/30/2014WO2014079344A1 Method for preparing 1-(4-chlorophenyl)-2-cyclopropyl-1-propanone and intermediate thereof
05/30/2014WO2014079163A1 Method for increasing chlorhydrin concentration in chlorohydrination reaction by means of cyclic reaction
05/28/2014EP2734494A1 Precursor compounds and methods for making same
05/28/2014CN203610106U 分体式自循环化学合成器 Split from the circulation of chemical synthesizer
05/28/2014CN103827069A 在烷基全氟烯烃醚生产中分离组分的方法 The method of separation of the components in the production of the alkyl ether of the perfluoroolefin
05/28/2014CN103819317A 一种从丁香油属植物中制取丁香酚的方法 Preparation of a plant in the genus eugenol from clove oil method
05/28/2014CN103819316A 可固化的聚芴及其作为耐热材料的应用 Polyfluorene and a curable heat-resistant material as applied
05/28/2014CN103819315A 一种白藜芦醇三甲醚的新晶型及其制备方法 The new crystal form and its preparation method resveratrol three ether
05/28/2014CN103819314A 一种用作起泡剂的无环化合物的制备方法 Preparation of acyclic compounds for use as a foaming agent,
05/28/2014CN103816915A 一种由草酸二甲酯和甲醇加氢制取乙二醇单甲醚的催化剂及其工艺 A take from methanol and dimethyl oxalate hydrogenation of ethylene glycol monomethyl ether catalyst and process
05/28/2014CN102617303B 多氟取代二(苯乙炔基)苯衍生物及其制备方法与应用 Multi-fluoro-substituted bis (phenylethynyl) benzene derivatives, preparation method and application
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