| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
|---|
| 08/01/2012 | CN102617639A Lycopene intermediate 3,7-dimethyl-1,6-octadiene-1-phosphonic acid dialkyl ester, and preparation method and application thereof |
| 08/01/2012 | CN102617342A (+/-)-alkannin naphthazarin parent nucleus oxygen alkyl acylation derivant and preparation method thereof |
| 08/01/2012 | CN102617306A Fluorochemical ketone compounds |
| 08/01/2012 | CN102617305A Process for preparing polyoxymethylene dimethyl ether |
| 08/01/2012 | CN102617304A Lateral difluorophenylalcoxylether liquid crystal compound and preparation method and application thereof |
| 08/01/2012 | CN102617303A Multi-fluorine substituted bi-(phenyl acetenyl) benzene derivative, preparation method thereof and application |
| 08/01/2012 | CN102617302A Process for synthesizing trimethoxyphenyl stilbene |
| 08/01/2012 | CN102617301A Synthesizing process for low rim tetra-benzyl substituted p-tert-butylcalix (4) arene derivative |
| 08/01/2012 | CN102617300A Method for coproducing propylene glycol methyl ether and propylene glycol methyl ether acetic ester |
| 08/01/2012 | CN102617299A Continuous production method of electronic-grade propylene glycol monomethyl ether |
| 08/01/2012 | CN102617298A Synthesis method of desflurane |
| 08/01/2012 | CN102617297A Device and method for removing disulfide from methyl tertiary butyl ether (MTBE) |
| 08/01/2012 | CN102617296A On-line agent changing method of methyl tert-butyl ether (MTBE) expanded bed reactor |
| 08/01/2012 | CN102617295A Method for manufacturing neuraminic acid derivatives |
| 08/01/2012 | CN102617285A Method for generating trimethylolpropane by condensation of formaldehyde and n-butyl alcohol |
| 08/01/2012 | CN102617260A Method for removing boric acid group by using aryl boric acid compound |
| 08/01/2012 | CN102617257A Synthetic method of diol phenylate compounds |
| 08/01/2012 | CN102617256A Method for preparing biaryl compound in pure water |
| 08/01/2012 | CN102614927A Copper catalyst system for decarboxylation coupling reaction |
| 07/31/2012 | CA2518328C Method for preparing transcription factors and use |
| 07/26/2012 | US20120190896 Molecular Sieve Of MFS Framework Type With Controllable Average Size, Its Method of Making And Use |
| 07/26/2012 | US20120190811 Process for the preparation of an allyl alkyl ether by catalytic allylation |
| 07/26/2012 | US20120186144 Condensation of alcohols for biofuel production |
| 07/25/2012 | EP2479161A1 A novel process for producing 1,1,1,3,3,3-hexafluoro-2-methoxypropane |
| 07/25/2012 | EP2479160A1 Process for production of oxidation reaction product of aromatic compound |
| 07/25/2012 | CN202342929U Catalytic rectifying tower |
| 07/25/2012 | CN1895776B Catalyst for producing dimethyl ether by methanol liquid-phase or mixed-phase dewatering method |
| 07/25/2012 | CN102604073A Method for preparing high-polymerization polyglycerol by microwave |
| 07/25/2012 | CN102603797A Phosphine imide ligand (E)-(2-(diphenyl phosphino) benzylidene) hydrazine as well as synthetic method and application of phosphine imide ligand (E)-(2-(diphenyl phosphino) benzylidene) hydrazine |
| 07/25/2012 | CN102603522A Phenol derivatives and application thereof to preparation of anti-HBV (hepatitis B virus) medicines |
| 07/25/2012 | CN102603499A Synthetic method of 1-bromo-4-fluorin-5-isopropyl-2-metoxybenzene |
| 07/25/2012 | CN102603498A Method for extracting phenolic compounds from biological oil |
| 07/25/2012 | CN102603497A 1-alkoxy-4-[4-(4-alkyl cyclohexyl) phenyl]-2, 3-difluorobenzene and synthetic method thereof |
| 07/25/2012 | CN102603496A Method for synthesizing 1-butoxy-2,3-difluorobenzene |
| 07/25/2012 | CN102603495A Preparation method of aromatic iodide in water phase |
| 07/25/2012 | CN102603494A Method for synthesizing polyglycerol with solid base catalyst |
| 07/25/2012 | CN102600852A Catalyst for preparing dimethyl ether as well as preparation method and application thereof |
| 07/25/2012 | CN102174187B Synthetic method of targeted pegylated lipid medicinal material |
| 07/25/2012 | CN102040731B Method for preparing polyether polyol |
| 07/25/2012 | CN101974149B Method for preparing polyether polyol |
| 07/25/2012 | CN101920197B Catalyst for preparing ether alcohol by ether aldehyde hydrogenation reaction and preparation method thereof |
| 07/25/2012 | CN101745385B Preparation method of load type palladium/shell powder catalyst |
| 07/25/2012 | CN101704711B Method for preparing 1,2-diol compound by using catalytic hydration of epoxide |
| 07/25/2012 | CN101693649B Process for preparing 1.3.5-trimethoxybenzene |
| 07/25/2012 | CN101531574B Method for preparing 3,4,5-trimethoxy toluene |
| 07/25/2012 | CN101428211B Catalyst for producing dimethoxymethane with methanol selective oxidation and preparation method thereof |
| 07/25/2012 | CN101405240B Reagent for organic synthesis and method of organic synthesis reaction with the reagent |
| 07/24/2012 | US8227645 Cyclisation process of forming a multiple ring compound |
| 07/24/2012 | CA2473700C Method for stabilizing reduced coenzyme q10 and composition therefor |
| 07/19/2012 | WO2012095858A1 Process for the preparation of alditol acetals |
| 07/19/2012 | WO2012095857A1 Method of making diacetal compound in aqueous medium |
| 07/19/2012 | WO2012095856A1 Process for preparing alditol acetals |
| 07/19/2012 | WO2012095855A1 Process for preparation of acetals |
| 07/19/2012 | WO2012094788A1 Paraterphenyl derivative and use thereof for preparing antitumor medicaments |
| 07/19/2012 | US20120184682 Biocompatible and biodegradable polymers from renewable natural polyphenols |
| 07/18/2012 | EP2476663A1 Vinyl ether compound, vinyl ether polymer, and method for producing vinyl ether compound |
| 07/18/2012 | EP1827678B1 Method and apparatus for performing micro-scale chemical reactions |
| 07/18/2012 | CN102596884A Process for the synthesis of fluorinated ethers of aromatic acids |
| 07/18/2012 | CN102596875A Vinyl ether compounds and methods of their preparation and use |
| 07/18/2012 | CN102585839A Cyclohexadiene polyfluoro liquid crystal compound and preparation method thereof |
| 07/18/2012 | CN102585201A Method for preparing polyol for hard polyurethane foam by using kitchen waste |
| 07/18/2012 | CN102585197A Method for addition of epoxide, and use of alkali metal and salts thereof for method |
| 07/18/2012 | CN102585194A Method for synthesizing allyl fatty alcohol-polyoxyethylene ether or allyl alkylphenol ethoxylate |
| 07/18/2012 | CN102584777A Benzenoid compounds of antrodia cinnamomea, preparation and analysis method thereof |
| 07/18/2012 | CN102584548A Preparation method for bromine benzyls compound |
| 07/18/2012 | CN102584546A Synthesis method of 2,3-difluorobenzene ester |
| 07/18/2012 | CN102584545A Fluorine contained aromatic polymerizing monomer with vinyl ether serving as end group and synthetic method |
| 07/18/2012 | CN102584544A Process for separating ethylene glycol monomethyl ether and water with intermittent azeotropic distillation method |
| 07/18/2012 | CN102584543A Preparation method of chromatographic-grade organic solvent ethylene glycol monomethyl ether |
| 07/18/2012 | CN102584540A Technology for transforming biomass into organic acid by using papermaking black water |
| 07/18/2012 | CN102584527A Method for utilizing coal and salt comprehensively |
| 07/18/2012 | CN102584513A Method for preparing ketal by catalysis of ionic liquid and dehydration of acid-resistant molecular sieve membrane |
| 07/18/2012 | CN102584511A Preparation method for secondary alcohol |
| 07/18/2012 | CN102050945B Polyether glycol, polyurethane rigid foamed plastic and preparation methods thereof |
| 07/18/2012 | CN101547735B Method of separating target substance according to membrane separation and apparatus therefor |
| 07/18/2012 | CN101544547B Synthesis method of 1,1,1,3,3,3-hexafluoroisopropyl methyl ether |
| 07/18/2012 | CN101448873B Polyether and method for producing the same |
| 07/18/2012 | CN101374791B Method for producing optically active alcohol compound |
| 07/18/2012 | CN101326149B Process for producing polyglyceryl ether derivative |
| 07/18/2012 | CN101238082B Dehydration of alcohols to form alkenes or ethers |
| 07/18/2012 | CN101085753B Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives |
| 07/12/2012 | WO2012093271A1 A new palladium catalyst, method for its preparation and its use |
| 07/12/2012 | US20120178945 Benzenoid compounds of antrodia cinnamomea, preparation and analysis method thereof |
| 07/11/2012 | EP2474518A1 Cyclic compound, process for production of the cyclic compound, radiation-sensitive composition, and method for formation of resist pattern |
| 07/11/2012 | EP2473471A2 Process for the synthesis of fluorinated ethers of aromatic acids |
| 07/11/2012 | EP2473466A1 Process for producing acetic acid and dimethyl ether using a zeolite catalyst |
| 07/11/2012 | CN202322672U 一种八溴醚物料处理装置 An eight-bromo ether material handling equipment |
| 07/11/2012 | CN202322671U 一种八溴醚溶剂蒸馏装置 An eight-bromo ether solvent distillation unit |
| 07/11/2012 | CN102559201A Allyloxy lateral multi-fluoric liquid crystal compound and preparation method thereof |
| 07/11/2012 | CN102558540A Preparation method for polyether polyol based on plant phenol |
| 07/11/2012 | CN102557899A Methylal catalytic synthesizing method employing methanol and trioxymethylene |
| 07/11/2012 | CN102557898A Method and device for preparing high-concentration methylal |
| 07/11/2012 | CN102557897A Plant-phenol-based polyether polyol |
| 07/11/2012 | CN102557896A (Poly) fluorine substituted phenyl diacetylene (bi) phenyl derivative, and preparation method and application thereof |
| 07/11/2012 | CN102557895A Method for preparing trichlorine metoxybenzene |
| 07/11/2012 | CN102557894A Synthesis process of 1, 2, 3-trimethoxy benzene |
| 07/11/2012 | CN102557893A Lignan compounds with glucokinase (GK) activation effect |
| 07/11/2012 | CN102557892A Method for extracting quebrachitol from natural latex |
| 07/11/2012 | CN102557891A Preparation method for 4-isopropoxy ethyoxyl methyl phenol |
| 07/11/2012 | CN102557890A Process for preparing 2,2,3,3-tetrafluoropropyl difluoromethyl ether |