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)
11/2005
11/03/2005WO2005102975A1 Method for producing fluorinated ether
11/03/2005WO2005102971A1 Supported ruthenium nanoparticle catalyst for cis-dihydroxylation and oxidative cleavage of alkenes
11/03/2005WO2005102967A1 PROCESS FOR PRODUCING π-CONJUGATED COMPOUND
11/03/2005US20050245772 Derivatives of alcohols and olefins
11/03/2005US20050245770 Method for the production of polyetherols
11/03/2005US20050245769 Process for isolating highly pure 2-methoxypropene
11/02/2005EP1591162A1 Process for production of ethers
11/02/2005EP1294664B1 Alcohol mixtures having 13 and 15 carbon atoms and the use thereof in the preparation of surface-active substances
11/02/2005EP1240125B1 Fluorine containing vinyl ethers
11/01/2005US6960665 Process for arylating or vinylating or alkynating a nucleophilic compound
10/2005
10/27/2005WO2005100291A2 Method for preparing 3-cyclopentyloxy-4-methoxybenzaldehyde
10/27/2005WO2005075386A3 Co-production of hydrocarbons and dimethyl ether
10/27/2005US20050240064 Mixing carboxlylic acid or anhydride in low boiling dispersion medium; neutralization
10/27/2005US20050240062 protecting 3,5-DIhydroxybenzaldehyde with diisopropylethylamine/N,N-/ and silyl chloride, reacting 3,5-di(tert-butyldimethylsilyloxy)-benzaldehyde product with 4-methoxybenzyltriphenylphosphonium bromide to obtain 3,5-di(tert-butyldimethylsilyloxy)-4'-methoxy-stilbene, deprotecting and separating
10/27/2005US20050240039 Method for the telomerisation of non-cyclic olefins
10/27/2005US20050238681 Storage-stable compositions of glycerol monoalkyl ethers
10/27/2005CA2561047A1 Method for preparing 3-cyclopentyloxy-4-methoxybenzaldehyde
10/26/2005CN1688528A Method for producing alkanol alkoxylates at optimal reaction temperatures
10/20/2005WO2005097739A2 Nucleophilic substitution reactions of difluoromethyl phenyl sulfone with alkyl halides leading to the facile synthesis of terminal 1,1-difluoro-1-alkenes and difluoromethylalkanes
10/20/2005WO2005097719A1 A method for preparing hydroxystyrenes and acetylated derivatives thereof
10/20/2005WO2005097318A1 A process for preparing a silver catalyst, the catalyst, and its use for oleffin oxidation
10/20/2005WO2005097316A1 A process for preparing a silver catalyst, the catalyst, and its use for olefin oxidation
10/20/2005US20050234270 Method for producing c13-alcohol mixtures
10/20/2005US20050234268 Chromatographic method for the analysis of both in process and finished sevoflurane
10/20/2005US20050234266 Method for preparing para-(2-hydroxyalkyloxy) styrene monomers and oligomers
10/20/2005US20050234260 supported metal catalyst can effect cis-dihydroxylation and oxidative cleavage of alkenes to give the respective cis-diols and carbonyl products
10/20/2005US20050230669 coupling 4-halobenzotrichlorides in the presence of copper and tertiary amine solvents, to form chemical intermediates for liquid crystals, flameproofing, polyesters, polyethers or polycarbonates
10/20/2005CA2562934A1 A process for preparing a silver catalyst, the catalyst, and its use for oleffin oxidation
10/20/2005CA2561673A1 A process for preparing a silver catalyst, the catalyst, and its use for olefin oxidation
10/19/2005EP1586578A2 Method of removing allyl series protecting group using novel ruthenium complex and method of synthesizing allyl ethers
10/19/2005EP1585712A1 METHOD FOR PRODUCING BUTENE OLIGOMERS AND TERT-BUTYL ETHERS FROM C sb 4 /sb FLOWS CONTAINING ISOBUTENE
10/19/2005EP1246784B1 Reaction of carbonyl compounds with organometallic reagents
10/19/2005CN1684933A 1, 7, 8-trifluoro-2-naphthol and method for producing liquid crystal compound by using the same
10/19/2005CN1683301A Fluorine containing bromo-diphenyl ether compound and its synthetic method
10/19/2005CN1683300A Method for preparing active monomer peonol from paniculate swallowwort root
10/19/2005CN1683296A Method for refining waste tobacco primary extract at subcritical DMC
10/19/2005CN1683076A Catalyst for preparing dimethyl ether from synthetic gas by one step
10/19/2005CN1223573C Processes for producing fluorinated ester, fluorinated acyl fluoride, and fluorinated vinyl ether
10/19/2005CN1223562C Intermediate compound for preparing fluoroolefines and producing process for the same intermediate compound
10/18/2005US6956134 Oxidation of methanol and/or dimethyl ether using supported molybdenum-containing heteropolyacid catalysts
10/18/2005US6956062 Storage-stable compositions of glycerol monoalkyl ethers
10/18/2005CA2129610C Process for preparing 1-bromoalkylbenzene derivatives and intermediates thereof
10/18/2005CA2076584C Process for the production of a cut which is rich in tert amylalkylether free from olefins and of a paraffinic cut rich in n-pentane
10/13/2005WO2005095471A1 Novel fluorine-containing polymer and method for producing same
10/13/2005WO2005095310A2 The utilization of zirconium and zirconium based alloys for the containment of halogen containing environments used in the production of olefins, alcohols, ethers, ethoxylates glycols, and olefin oxides from alkanes
10/13/2005WO2005023735A3 Carbon-carbon bond creation method comprising the coupling of a transferable group and an acceptor group
10/13/2005US20050228199 Method for preparing 3-cyclopentyloxy-4-methoxybenzaldehyde
10/13/2005US20050228191 Method for preparing hydroxystyrenes and acetylated derivatives thereof
10/13/2005DE102004007561B3 Verfahren zur Herstellung von Alkylenglykoldiethern A process for producing alkylene glycol diethers
10/12/2005EP1583729A1 Method of purifying reduced coenzyme q
10/12/2005CN1681868A Process for preparation of polyetherols
10/12/2005CN1681592A 钯催化剂组合物 Palladium catalyst composition
10/12/2005CN1680244A Water heating synthesis of diaryl ether
10/12/2005CN1680243A Process for the preparation of non-steroidal glucocorticoid receptor modulators
10/12/2005CN1680242A 2-allyloxy-1, 3-propylene alcohol and its preparation and use
10/12/2005CN1680241A Process for preparing fluorohalogenethers
10/12/2005CN1222496C 1, 1, 4, 4-tetramethoxy-2-butylene preparation
10/12/2005CN1222495C Method for preparing alkoxy compound by oxyalkylation
10/11/2005US6953766 Preparation of efficient REPO and LAPO catalysts
10/11/2005US6953765 Double metal cyanide catalysts for preparing polyether polyols
10/06/2005WO2005092820A2 Synthesis of carbon-labeled perfluoroalkyl compounds
10/06/2005US20050222462 Process for preparing a catalyst, the catalyst, and a use of the catalyst
10/06/2005US20050222442 Process for preparing a catalyst, the catalyst, and a use of the catalyst
10/06/2005US20050218532 higher reactivity with an electrophile; lithium chloride complexes; using organometallic R1(MgX).LiY, a fast exchange reaction occurs leading to Grignard reagents in high yields under mild conditions; ether solvent; phenyl-(4-cyanophenyl)methanol from benzaldehyde, 4-bromobenzonitrile and i-PrMgCl.LiCl
10/05/2005EP1582523A1 Method of preparing organomagnesium compounds
10/05/2005EP1581469A1 Method for producing naphthalene derivatives
10/05/2005EP1581467A2 Ligands for metals and improved metal-catalyzed processes based thereon
10/05/2005EP1444241B1 Bidendate ligands for the carbonylation of unsaturated compounds
10/05/2005EP1320516B1 Process for the preparation of halogenated hydroxydiphenyl compounds
10/05/2005EP1309533B1 Production of 3-alkylcycloalkanols
10/05/2005CN1678395A Novel nickel-carbene, palladium-carbene and platinum-carbene complexes, their production and use in catalytic reactions
10/05/2005CN1678392A Preparation of earth phosphate catalysts from carbonate salts and their use in alkoxylation reactions
10/05/2005CN1221505C Process for the production of alkanediol derivatives
09/2005
09/29/2005WO2005090272A1 Cyclone reactor and associated methods
09/29/2005WO2005090270A1 Method for producing fluorine-containing halide
09/29/2005US20050215837 The utilization of zirconium and zirconium based alloys for the containment of halogen containing environments used in the production of olefins, alcohols, ethers, and olefin oxides from alkanes
09/29/2005US20050215830 Process for producing allyl ether
09/29/2005US20050215804 Synthesizing method for compound, and catalyst for synthesis reaction
09/29/2005US20050215794 Group IB compounds used as condensation, amination, amidation or arylation catalysts; catalysis; efficiency; forming a carbon-carbon bond between a reactant comprising a nucleophilic carbon atom, e.g., enolate or malonate anion, and activated carbon of an aryl, heteroaryl, or vinyl halide or sulfonate
09/29/2005US20050215452 C10-alkanolalkoxylate mixtures and the use thereof
09/29/2005DE10105751B4 Verfahren zur Herstellung von 1-Octen A process for the preparation of 1-octene
09/29/2005CA2559527A1 Cyclone reactor and associated methods
09/28/2005EP1578709A2 Polycondensation method employing dielectric heating, in particular for the production of polyglycerols and similar
09/28/2005CN1675155A Process for preparing aryl allyl ethers
09/28/2005CN1674987A Process for producing ether compounds in presence of a copper (II) salt
09/27/2005US6949615 Monomer having electron-withdrawing group and process for preparing the same
09/22/2005WO2005087696A1 Method for producing monoalkylene glycol monoether
09/22/2005WO2005087695A1 Method for producing alkylene glycol diethers
09/22/2005DE102004012336A1 Verfahren zur Herstellung von Monoalkylenglykolmonoethern A process for preparing Monoalkylenglykolmonoethern
09/21/2005EP1577284A1 Fluorine-containing ether compound and method for producing same
09/21/2005EP1575889A1 A microwave induced process for the preparation of substituted 4-vinylphenols
09/21/2005CN1219738C Method for producing 1-octen
09/20/2005US6946560 Ligands for metals and improved metal-catalyzed processes based thereon
09/20/2005CA2127047C Preparation of astaxanthin, novel intermediates therefor and the preparation thereof
09/15/2005WO2005037756A3 Novel methods for the preparation of 4-[4-(4-methoxymethoxy-4'-methyl-biphenyl-2-yl)-but-3-ene-(e)-1-ynyl]-benzoic acid
09/15/2005US20050203317 Removing the allyl group in a single reaction step with a high reaction rate and a high functional group selectivity without using any additive; cyclopentadienyl ruthenium (II) complex; catalytic dehydration type reaction of alcohols using the ruthenium complex
09/15/2005DE4315047B4 Verfahren zur Herstellung von 3-Methoxybutanol und Butanol aus Crotonaldehyd A process for the preparation of 3-methoxybutanol and butanol from crotonaldehyde
09/14/2005EP1574493A1 Process for producing anthracene diether
09/14/2005EP1254881B9 Process for producing aryl ether
09/14/2005CN1668562A Methods for preparing ethers, ether compositions, fluoroether fire extinguishing systems, mixtures and methods
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