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)
11/2003
11/27/2003WO2003076366A3 A method for preparing organic fluorocompounds
11/27/2003WO2002098831A3 Process for removal of dimethyl ether in the synthesis of sevoflurane
11/27/2003US20030220527 Catalytic decarboxylation; pollution control
11/26/2003EP1364935A1 Process for preparing perfluoropolyoxyaklylenes with -OCF2H, -OCF2CF2H and -OCF (CF3)H end groups
11/26/2003CN1457913A Mild distilling and separating method for mixture
11/25/2003US6653515 Synthesis of α, β, β-trifluorostyrene via in-situ formation of trifluorovinyl metal halide
11/25/2003US6653511 Perfluoropolyether primary bromides and iodides
11/25/2003CA2223554C Production process for (poly)alkylene glycol monoalkyl ether
11/25/2003CA2162895C Preparation of cyclopropane esters
11/20/2003WO2003095424A1 Process for producing shogaol and intermediates for the synthesis thereof
11/20/2003WO2003095402A1 Method for producing c13-alcohol mixtures
11/20/2003WO2003074534A9 Reagents for asymmetric allylation, aldol, and tandem aldol and allylation reactions
11/20/2003WO2002044119A8 Synthesis of 2-aryl-1-naphthol derivatives via a tandem palladium catalyzed arylation and dehydrogenation
11/20/2003US20030216595 Method for producing a fluorinated ester compound
11/20/2003US20030216583 Accelerated process for preparing O-methyl phenols, N-methyl heteroaromatic compounds, and methylated aminophenols
11/19/2003EP1362625A1 Process for carefully separating a substance mixture by distillation
11/19/2003CN1128129C Acetaldehyde diethyl acetal producing process
11/18/2003US6649717 Stabilized composition of O- and N-vinyl compounds and use of ammonium salts as stabilizers
11/13/2003WO2003093209A1 Method for producing motor fuels
11/13/2003US20030209685 Methods for preparing ethers, ether compositions, fluoroether fire extinguishing systems, mixtures and methods
11/12/2003EP1360222A1 Organopolysiloxanes containing phosphonic groups, methods for the production and use thereof
11/12/2003CN1454884A Method of preparing methyl tert-butylether by methanol and tert butyl alcohol reaction
11/12/2003CN1127467C Method for preparing gamma-halogenated aldehyde tiglate
11/12/2003CN1127465C Fluoric bis (diphenyl) acetylene compounds and preparing process and usage thereof
11/12/2003CN1127464C Polymerizable biaryls, method for the production and use thereof
11/12/2003CN1127457C Process for electrophilic aromatic substitution
11/11/2003US6646170 Intermediates for the synthesis of ether compounds
11/11/2003US6646166 Reacting an arylmethanesulfonyl fluoride or arylmethanephos-phonate with a 3-aryl-2-fluoropropenal
11/11/2003US6646145 Processes for preparing alkoxylated nonionic surfactants using hydrotalcite catalysts
11/06/2003WO2003091192A1 C10-alkanolalkoxylate mixtures and the use thereof
11/06/2003WO2003091191A1 C10-alkanolalkoxylates and the use thereof
11/06/2003WO2003091190A1 Alkoxylate mixtures and detergents containing the same
11/06/2003US20030207938 Such as 5-bromo-6,6'-dimethyl-2,2',3',4'-tetramethoxybenz-hydryl alcohol for controlling harmful phytopathogenic fungi
11/05/2003EP1358143A2 Process and intermediate compounds for the preparation of pesticidal fluoroolefin compounds
11/05/2003EP1358142A1 Process for alkoxylation with a boron-containing catalyst
11/05/2003EP1358140A1 Method for producing 1-octen
11/05/2003EP1153006B1 Stabilised compositions of o- and n-vinyl compounds and the use of ammonium salts as stabilisers
11/05/2003CN1453257A Catalytic hydration and etherification process of olefine
11/04/2003US6642280 Constant or optimum liquid fuel production and constant or limited purge gas flow with highly variable synthesis gas feed condition by adjusting recycle ratio, water addition, and bypass flow
10/2003
10/30/2003WO2003089395A1 Method for producing anis alcohol
10/30/2003WO2003089393A1 Liquid vegetable unsaturated alcohol and process for producing the same
10/30/2003WO2003089392A1 Syngas conversion and catalyst system employed therefor
10/30/2003WO2002088046A3 Single-step method for producing toluene derivatives
10/30/2003US20030204112 Hydrogenation of prochiral ketones
10/29/2003EP1357102A1 Process for the preparation of acetals and ketals using multi-step pervaporation or vapour permeation
10/29/2003CN1451476A Catalyst for ethoxylation and use thereof
10/28/2003US6638892 Catalyst suitable for the conversion of syngas comprising zinc oxide, copper oxide, aluminum oxide, Y zeolite and clay
10/28/2003CA2073353C Glycerol-derived non ionic amphiphilic compounds, a process for their preparation, corresponding intermediary compounds and compositions containing said compounds
10/23/2003WO2003086605A2 Functionalized ionic liquids, and methods of use thereof
10/23/2003WO2003086414A1 Structural modification of resveratrol: sodium resverastatin phosphate
10/23/2003WO2003043960A3 IMPROVED PURIFICATION OF 4, 4'(5')-DI-t-BUTYLCYCLOHEXANO-18-CROWN-6
10/23/2003CA2481202A1 Functionalized ionic liquids, and methods of use thereof
10/22/2003EP1354887A1 Ligands for metals and improved metal-catalyzed processes based thereon
10/22/2003EP1354883A1 Hydrogenation of prochiral ketones
10/22/2003EP1131273B1 1,4-diaryl-2-fluoro-1-buten-3-ol compounds and their use in the preparation of 1,4-diaryl-2-fluoro-1,3-butadiene and 1,4-diaryl-2-fluoro-2-butene compounds
10/22/2003CN1450043A Process for synthesizing (E)-3,4',5-trimethoxy stilbene
10/22/2003CN1450042A Process for preparing Rac-2-0-alkyl glycerine
10/22/2003CN1125035C Method for producing oxalkylated amines or alcohols
10/22/2003CN1125017C Prepn process of triethyl orthobutyrate
10/21/2003US6635787 React phenol compound with sulfuryl chloride in the presence of a secondary amine; intermediates for insecticide production
10/21/2003US6635760 Ring fluorination of non-activated aromatic compounds
10/16/2003WO2003066547A3 METHOD FOR PRODUCTION OF β-CRYPTOXANTHIN AND α-CRYPTOXANTHIN FROM COMMERCIALLY AVAILABLE LUTEIN
10/16/2003WO2003051801A8 Synthesis of alpha, beta, beta-trifluorostyrene via in-situ formation of trifluorovinyl metal halide
10/16/2003US20030195369 Optically active chiral diphosphine ligands
10/15/2003EP1352892A1 Processes for producing fluorinated ester, fluorinated acyl fluoride, and fluorinated vinyl ether
10/15/2003EP1351913A2 1,4-diaryl-2,3-difluoro-2-butene insecticidal and acaricidal agents
10/15/2003EP1351911A2 Materials and methods for synthesizing stilbenes
10/15/2003EP1351910A1 Process for alkoxylation in the presence of rare earth triflimides
10/15/2003EP1208070A4 Diolefin/hydroxyaryl condensates and catalyst therefor
10/15/2003EP0703450B1 Gas chromatographic analysis of fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether
10/15/2003CN1449393A Intermediates for use in the preparation of vitamin e
10/15/2003CN1124263C Stabilised monomer composition
10/15/2003CN1124246C Process for preparing 4-(2-alkoxyethyl) phenol by phase-transfer catalysis
10/14/2003US6632954 Chelate compounds
10/14/2003CA2060643C Process for the separation of ethyltertiobutyl ether and ethanol
10/09/2003WO2003082895A2 Process to prepare eplerenone
10/09/2003WO2003082894A2 C-17 spirolactonization and 6,7 oxidation of steroids
10/09/2003WO2003082786A1 A process for the preparation of pharmacologically active alpha-asarone from toxic beta-asarone rich acorus calamus oil
10/09/2003WO2003082780A1 Oligomerization of olefins
10/09/2003US20030191345 Catalysts, methods for making said catalysts, and methods for making chiral compounds with high enantioselectivity
10/09/2003CA2480151A1 C-17 spirolactonization and 6,7 oxidation of steroids
10/09/2003CA2479466A1 Oligomerization of olefins
10/09/2003CA2474072A1 Process to prepare eplerenone
10/08/2003CN1447783A Alcohol mixturex having 13 and 15 carbon atoms and use thereof in preparation of surface-active substances
10/08/2003CN1446817A 7 alpha-hydroxy dehydroisoandrosterone and its derivative purifying process and obtained solvate
10/08/2003CN1446786A Method and equips for manufacturing dimethyl ether with synthesis gas as raw material by using circulating current bed
10/07/2003US6630606 Acylation reactions of aromatic substrates
10/02/2003WO2003080551A1 Formation of neolignan by ddq mediated dimerisation of dihydroasarone
10/02/2003WO2003080239A2 Method for preparing metal cyanide catalysts using insoluble metal salts
10/02/2003US20030187306 DDQ mediated one step dimerisation of beta-asarone or beta-asarone rich acorus calamus oil in the formation of novel neolignan
10/02/2003US20030187280 (Per) haloethers
10/02/2003CA2478830A1 Method for preparing metal cyanide catalysts using insoluble metal salts
10/01/2003EP0677504B1 Fluorinated hydrocarbon compound, process for producing the same, and refrigerator oil and magnetic recording medium lubricant
10/01/2003CN1446188A Method for fluoromethylation of alcohols via halogenative decarboxylation
09/2003
09/25/2003US20030181688 Coupling of nucleophiles, vinyl compounds or CO with water, alcohols or amines to organic compounds
09/25/2003DE20303420U1 Fischer-Tropsch and corresponding Guerbet alcohol mixtures, derivatives and compositions are useful e.g. in polymer, oil, cosmetic, pharmaceutical, detergent or functional fluid containing polymer surfactant and/or hydraulic fluid
09/24/2003EP1346997A1 Process for the purification of 7-alpha-hydroxy-dehydroepiandrosteron and derivatives thereof, and solvates obtained
09/24/2003EP1346995A1 Process for the preparation of ring compounds
09/24/2003EP1346767A1 Multifunctional catalyst useful in the synthesis of chiral vicinal diols and process for the preparation thereof
09/24/2003EP1346757A1 Liquid-liquid extraction of polar organic substances from their aqueous solutions with fluorinated extracting liquids
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