| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 09/26/2001 | CN1314419A 聚乙烯醚化合物 Polyvinyl ether compound |
| 09/26/2001 | CN1071730C Di-(Fluoromethyl) ether containing compound and its preparing method |
| 09/25/2001 | CA2237073C A method of preparing 1,1-dialkoxycycloalkanes |
| 09/20/2001 | WO2001068657A1 Triphenylphosphine derivative, production process therefor, palladium complex thereof, and process for producing biaryl derivative |
| 09/20/2001 | WO2001068577A1 Production of fluormethyl 2,2,2-trifluoro-1-(trifluoromethyl)ethyl ether |
| 09/20/2001 | DE10013253A1 Production of propene and hexene from butenes in a raffinate II C4 fraction comprises reaction with ethene on a Group VIb, VIIb or VIII metal metathesis catalyst |
| 09/20/2001 | CA2691933A1 Production of fluoromethyl 2,2,2-trifluoro-1-(trifluoromethyl) ethyl ether |
| 09/19/2001 | EP1134271A2 Process for producing propene and hexene |
| 09/18/2001 | US6291723 Preparing reaction medium comprising hydroxyaryl, non-conjugated diene, trifluoromethanesulfonic acid and water as retarder which decreases(does not eliminate) catalytic activity of acid; heating to form condensation product |
| 09/18/2001 | US6291722 Contacting grignard reagent of formula r.sup.7--mgx with an aryl compound of the formula r.sup.1--x in the presence of a catalytic amount of coordination comprising trasition metal complexed to phosphine oxide to prepare bisaryl compound |
| 09/18/2001 | US6291721 Processes for the preparation of 2-arylvinyl alkyl ether and 1,4-diaryl-2-fluoro-2-butene compounds |
| 09/18/2001 | US6291720 Synthesis of glycol ethers |
| 09/18/2001 | US6291714 Continuous process for effecting gas liquid reactions |
| 09/18/2001 | US6291465 Biphenyl derivatives |
| 09/18/2001 | US6291383 Process for preparing aromatic olefins in the presence of palladium catalysts comprising phosphite ligands |
| 09/13/2001 | WO2001066248A2 C-c and c-n coupling catalyst comprising transition metal and carbene |
| 09/12/2001 | EP1132366A1 Process for preparing partial oxidates of lower alcohols |
| 09/12/2001 | EP1132361A1 Coupling of nucleophiles, vinyl compounds or CO with water, alcohols or amines to organic compounds |
| 09/12/2001 | EP1131273A1 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 |
| 09/12/2001 | EP1131270A1 Process for converting an alcohol to the corresponding fluoride |
| 09/12/2001 | CN1070834C Process for preparing alkyl ethers and mixtures thereof |
| 09/12/2001 | CN1070831C Stabilized monomer composition |
| 09/11/2001 | US6288262 Process for the preparation of 2-methoxyethoxy-benzenes and novel 2-methoxyethoxy-benzyl cyanides |
| 09/07/2001 | WO2001064667A1 Producing liquid crystals with cf2o bond |
| 09/06/2001 | US20010020104 Coupling an aromatic compound bearing a substituent group and a leaving group with an organoboron compound in the presence of a palladium and/or nickel catalyst and a base |
| 09/06/2001 | US20010020044 Process for recycling heterogeneous waste |
| 09/06/2001 | DE10008176A1 New 2-substituted 1,3,3-trialkoxyprop-1-enes and preparation of 2-substituted 1,3,3-trialkoxyprop-1-enes, useful in radiation-sensitive mixture or pharmaceutical synthesis, from 2-substituted malonodialdehyde and alcohol |
| 09/05/2001 | CN1311715A Bimetallic-cyanide catalysts used for preparing polyether polyols |
| 09/05/2001 | CN1311182A Catalyst etherifying method for light hydrocarbon containing isomeric olefine |
| 08/30/2001 | WO2001062696A1 Process for the preparation of glyceraldehyde and derivatives thereof |
| 08/29/2001 | EP1127861A1 Method to synthesise substituted benzyl and toluene compounds |
| 08/29/2001 | CN1310161A Formaldehyde acrolactic ester etherified glycerine acetal and its synthesis process |
| 08/29/2001 | CN1070166C Catechol monoethers compound and process for producing catechols compound |
| 08/29/2001 | CN1070165C Refining process of ethylene glycol monotertbutyl ether |
| 08/28/2001 | US6281392 Preparation of orthoesters |
| 08/28/2001 | US6281250 Retinyl ethers, derivatives and analogues and inhibition of breast carcinogenesis |
| 08/23/2001 | WO2001060775A1 Process for preparing alkoxy or arylmethoxy aroxyethanes |
| 08/23/2001 | US20010016664 New phenolic compounds derived from dialkoxyethanals, their preparation process and their application |
| 08/23/2001 | US20010015267 Sizing agent consists of a dialkyl acetal of a c8-c30 aldehyde and an emulsifier selected from cationic starach and synthetic polymer; reacting carbohydrate with a base, in alcohol to form intermediate, reacting it with alkylbromide |
| 08/23/2001 | DE10007939A1 Verfahren zur Herstellung substituierter Benzylverbindungen und Toluolderivate Process for preparing substituted benzyl and toluene derivatives |
| 08/22/2001 | EP1125908A1 New phenolic compounds derived from dialkoxyethanals, their preparation process and their application |
| 08/22/2001 | EP1124780A1 A process for making butyl ethers of glycols |
| 08/22/2001 | EP1124619A1 Process for purifying solid chemical products by dry-sweating |
| 08/22/2001 | CN1309113A Separation and refining process for raw material of etherification |
| 08/22/2001 | CN1308987A Carried heteropoly acid catalyst for preparing dimethyl ether by dewatering methanol and its preparing process |
| 08/21/2001 | US6278031 Catalyst and process for preparing 2-buten-1-ol compounds |
| 08/21/2001 | US6277867 Synergistic mixtures |
| 08/21/2001 | CA2030792C Perfluorovinyl compounds |
| 08/16/2001 | WO2001058843A1 Process for preparing optically active secondary alcohols having nitrogenous or oxygenic functional groups |
| 08/16/2001 | WO2001058836A1 Process for producing aryl ether |
| 08/16/2001 | WO2001058834A1 Method for preparing a polyaromatic compound |
| 08/16/2001 | WO2001058833A1 Method for functionalising a double bond |
| 08/16/2001 | US20010014760 Gas-phase dehydration reaction process |
| 08/16/2001 | US20010014697 Process for the preparation of 2-methoxyethoxy-benzenes and novel 2-methoxyethoxy-benzyl cyanides |
| 08/16/2001 | EP1123913A2 Process for preparing 2-methoxyethoxybenzenes and new 2-methoxyethoxybenzyl cyanides |
| 08/16/2001 | EP0825972B1 Novel ether compound and process for producing the same |
| 08/16/2001 | DE10005792A1 Preparation of bisphenol alkoxylates, useful e.g. for synthesis of polyester resin or polyurethane, uses phosphine catalyst free from alkali metal hydroxide in reaction of bisphenol with alkylene oxide |
| 08/16/2001 | DE10005570A1 Verfahren zur Herstellung von 2-Methoxyethoxy-benzolen und neue 2-Methoxyethoxy-benzylcyanide A process for the preparation of 2-methoxyethoxy-benzenes and new 2-methoxyethoxy-benzyl cyanides |
| 08/16/2001 | CA2397834A1 Method for functionalising a double bond |
| 08/15/2001 | CN1069626C Alcohol ether synthetic improved technology and synthetic reactor thereof |
| 08/14/2001 | CA2150392C Recovery of glycols from used glycol-containing technical fluids |
| 08/09/2001 | WO2001056964A1 Process for producing unsaturated ether |
| 08/09/2001 | WO2001021565A3 Process for producing 3-bromobenzoyl halides |
| 08/09/2001 | DE10061216A1 Verfahren zur Herstellung von Malondialdehyd-Acetalen A process for the production of malondialdehyde acetals |
| 08/08/2001 | EP1122228A1 Gas-phase dehydration reaction process |
| 08/08/2001 | EP0990017B1 Method and device for drying a gas |
| 08/07/2001 | US6271423 Preparation of butenyl ethers |
| 08/07/2001 | US6271422 An alcohol is reacted with an alpha-haloester to form an alpha-alkoxy acid which is then decarboxylatively halogenated to form a chloromethyl ether. the chloromethyl ether is then converted to the desired fluoride |
| 08/07/2001 | US6271417 Process for producing 3-bromobenzoyl halides |
| 08/07/2001 | US6271411 Process for preparing 2-aryl-substituted indenes |
| 08/07/2001 | US6270843 Process for generating useful electrophiles from common anions and their application in electrophilic reactions with organic substrates |
| 08/07/2001 | CA2132318C Process for preparing methyl ethers |
| 08/02/2001 | US20010011148 Single-stage process for preparing glycol monoethers from olefins |
| 08/02/2001 | US20010011147 Oxyalkylenation using ethylene oxide |
| 08/02/2001 | DE10061211A1 Verfahren zur Herstellung substituierter Malondialdehyd-Acetale Process for preparing substituted malondialdehyde acetals |
| 08/01/2001 | EP1119540A1 Process for the preparation of 4,4'-dihalogen-o-hydroxydiphenyl compounds |
| 08/01/2001 | EP1119539A1 A process for the preparation of 4,4'-dihalogen-o-hydroxydiphenyl compounds |
| 08/01/2001 | EP1119537A1 Method in recovery of trimethylolpropane triallyl or diallyl ether |
| 07/31/2001 | CA2077650C Fatty alcohol alkoxylate |
| 07/26/2001 | WO2001053239A1 Preparation of optically active 1-alkoxy or aryloxy-2-alkanol compounds |
| 07/26/2001 | DE10002469A1 Production of tertiary alkyl alkenyl ethers, useful as monomers and intermediates, by reacting tertiary alcohols with acetylenes comprises limiting the alcohol conversion to reduce formation of high boilers |
| 07/25/2001 | EP1118653A1 Method for obtaining components of a packet of additives for engine fuels |
| 07/25/2001 | EP0912479B1 Process for the manufacture of alpha-hydroxycarbonyl compounds |
| 07/25/2001 | CN1304920A Process for removing diglycol from high-boiling-point morpholinium compound |
| 07/24/2001 | US6265528 Heating feedstream comprising soluble condensation promoting component capable of activating heterogeneous acidic catalyst and source of formaldehyde formed by conversion of dimethyl ether in presence of silver catalyst with acidic catalyst |
| 07/24/2001 | US6264800 Purification process |
| 07/19/2001 | WO2001051434A1 Reaction of carbonyl compounds with organometallic reagents |
| 07/19/2001 | US20010008942 Cyclization |
| 07/19/2001 | DE10001317A1 Reaction of carbonyl compound with organometallic reagent, e.g. preparation of biotin intermediate or 4-(4-(trans-4-pentylcyclohexyl) -1-cyclohexen-1-yl)-1-trifluoromethoxybenzene, uses mini- or microreactor |
| 07/18/2001 | EP1115679A1 Method for producing olefins |
| 07/18/2001 | EP0939749B1 Process for the preparation of benzyl-ethers |
| 07/18/2001 | CN1304393A Method for producing alkyl chloride, alkenyl chloride and alkinyl chloride |
| 07/17/2001 | US6262320 Addition of trifluoromethanes to fluoroolefins and isomerization of monohaloperfluoro alkanes |
| 07/17/2001 | US6262319 Bromination of the corresponding alcohol compound |
| 07/17/2001 | US6262314 From petroleum feedstock |
| 07/17/2001 | US6262278 Reacting water and mixture of stereoisomers of chiral cyclic substrate in the presence of non-racemic chiral catalyst to produce by kinetic resolution stereoisomerically enriched cyclic substrate or stereoisomerically enriched hydrolyzate |
| 07/11/2001 | EP1115035A1 Acetylenic diol ethylene oxide/propylene oxide adducts and their use in photoresist developers |
| 07/11/2001 | EP1114842A2 A process for the preparation of perfluoropolyoxyalkylenes with hydroxyl end groups |
| 07/11/2001 | EP1114029A1 Novel compounds |
| 07/11/2001 | CN1302790A Method of preparing aromatic alkyl phenol |