Patents for C07B 39 - Halogenation (1,839) |
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06/08/2005 | CN1205151C Halogenation of protected phenols in meta position |
06/07/2005 | US6903230 Process for producing a fluorine-containing compound |
06/02/2005 | WO2005049535A1 Method of removing water from hydrofluorocarbon manufacturing processes |
06/02/2005 | US20050119349 Process for chlorinating tertiary alcohols |
06/01/2005 | EP1534671A2 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
06/01/2005 | EP1534419A1 Propulsive nozzle injection method in fluidised bed reactors |
05/26/2005 | WO2005047296A1 Process for producing thiazole derivative |
05/26/2005 | CA2773371A1 Process for producing thiazole derivative |
05/26/2005 | CA2545730A1 Process for producing thiazole derivative |
05/25/2005 | EP1028801B1 A method of performing a chemical reaction |
05/25/2005 | CN1620403A Preparation of safety brominized reagent |
05/24/2005 | US6897331 Fluorous triphase and other multiphase systems |
05/18/2005 | CN1202086C Halogenating agent |
05/17/2005 | US6894200 Synthesis of vicinal difluoro aromatics and intermediates thereof |
05/12/2005 | US20050101809 Adding a water reactive agent , a chlorine substituted vinyl compound, trichloroethylene, reacting with oxygen to form an intermediate trichloroethylene oxide, hydrolysis to remove water by-product from fluorination |
05/03/2005 | US6888032 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
04/21/2005 | WO2005021472A3 Fluoridation of electron rich aromatic systems |
04/21/2005 | US20050085474 difluoroamine compounds |
04/19/2005 | US6881698 Ion liquids derived from Lewis acid based on titanium, niobium, tantalum, tin or antimony, and uses thereof |
04/07/2005 | US20050075501 Enantioselective electrophilic fluorinating agent; high yield and selectivity excess |
03/30/2005 | EP1517876A1 Method for producing substituted organic compounds and use of catalysts for substitution reactions |
03/22/2005 | US6869652 Porous polymer/carrier solid phase reactants, method for producing same and the use thereof |
03/17/2005 | WO2005023739A1 Selective catalytic oxybromination of hydroxyaromatic compounds |
03/17/2005 | WO2005023738A1 Bromination of hydroxyaromatic compounds |
03/16/2005 | EP0812308B1 Method for synthesis of aryl difluoromethyl ethers and the like |
03/10/2005 | WO2005021472A2 Fluoridation of electron rich aromatic systems |
03/03/2005 | WO2004074296A3 Phosphazenium salt mixtures containing hexakis(amino)diphosphazenium, tetrakis(amino)-phosphonium and polyaminophospazenium salts |
03/03/2005 | US20050049441 Selective catalytic oxybromination of hydroxyaromatic compounds |
03/03/2005 | US20050049440 contacting a hydroxyaromatic compound with oxygen and elemental bromine in the presence of a metal catalyst; catalyst selectivity |
02/15/2005 | US6855850 Method of manufacturing fluorine compounds, and a method of recovering or regenerating precursors of fluorinating agents |
02/09/2005 | EP1210322B1 Method for carrying out the side chain bromination of 4-methyl biphenyl derivatives substituted at the 2'-position |
02/09/2005 | CN1188392C Process for synthesis of hydrocarbonfluoride |
02/09/2005 | CN1188211C Preparation and use of ionic liquids in microwave-assisted chemical transformation |
02/02/2005 | EP1117733B1 Supercritical fluorination |
01/27/2005 | US20050020855 Process for producing a fluorine-containing compound by liquid phase fluorination |
01/26/2005 | EP1500641A1 High-purity (fluoroalkyl)benzene derivative and process for producing the same |
01/26/2005 | EP1499582A1 Method for chlorinating tertiary alcohols |
01/25/2005 | US6846952 Process for manufacture of a 4-bromo-2-oxyimino butyric acid and its derivatives |
01/19/2005 | EP0944564B9 Halogen exchange reactions and uses thereof |
01/05/2005 | CN1183074C Improved preparing method for chloroine and alkynylamine |
12/30/2004 | DE10326613A1 Use of materials containing aluminum oxide or nickel and aluminum for producing or coating corrosion-resistant machine shafts in contact with chemically aggressive media |
12/21/2004 | US6833476 Fluorinating a dichlorofluoromethyl or methoxy or a trichloromethyl or methoxybenzene isocyanate by reacting with HF to form the carbamoyl fluoride intermediate and forming a trifluoromethyl or methoxybenzene isocyanate |
12/16/2004 | WO2004108633A1 Process for the preparation of aryl diazonium salts and reaction with nucleophiles |
12/16/2004 | CA2528453A1 Process for the preparation of aryl diazonium salts and reaction with nucleophiles |
12/09/2004 | US20040245505 Process for the production of fluorinated organic compounds and fluorinating agents |
12/09/2004 | DE102004019558A1 Fluorination process, e.g. for preparing difluoromethylene bridged compounds, is performed in steel-walled reactor in presence of sacrificial material containing silicon dioxide to reduce reactor corrosion |
12/08/2004 | CN1178882C Liquid-fluorination system and method |
12/02/2004 | US20040242939 reacting alkaline bromine intermediate mixture, obtained from bromine recovery plant, with chlorine gas in the presence of a strong alkali to oxidize the bromide ions to bromate ions; aromatic bromo compounds |
12/01/2004 | CN1177779C Fluorination |
11/30/2004 | US6825383 Catalytic process for regiospecific chlorination of alkanes, alkenes and arenes |
11/24/2004 | CN1549745A Process for preparing fluorination catalyst |
11/23/2004 | US6822129 Catalytic isomerization of aromatic compounds using zeolite with controlled pore structure |
11/17/2004 | EP1051376B1 Method of producing fluorinated organic compounds |
11/11/2004 | US20040225160 Process for functionalizing a double bond |
10/28/2004 | DE10162801B4 Mikrofallfilmreaktor Falling-film microreactor |
10/27/2004 | EP1404687A4 Fluorous triphase and other multiphase systems |
10/20/2004 | EP0907625A4 Fluorous reaction and separation systems |
10/19/2004 | CA2071235C Anodic electrode for electrochemical fluorine cell |
10/13/2004 | EP1465835A1 Preparation of non-hazardous brominating reagents |
10/07/2004 | US20040198975 prepared by reacting the corresponding amide or urea compounds in the presence of oxalyl fluoride or a mixture of oxalyl fluoride and difluorophosgene |
10/06/2004 | CN1169759C Process for producing substituted aromatic compound |
09/23/2004 | WO2004080492A1 Methods of radiofluorination of biologically active vectors |
09/23/2004 | CA2518889A1 Methods of radiofluorination of biologically active vectors |
09/15/2004 | EP1194227B1 Preparation and use of ionic liquids in microwave-assisted chemical transformations |
09/15/2004 | CN1529684A Use of composition of ionic nature as substitute reagent, composition constituting fluorination reagent and using method thereof |
09/07/2004 | US6787678 Adding such as phosgene or thionylchloride; reducing corrosion; recycling waste stream |
09/02/2004 | WO2004074296A2 Phosphazenium salt mixtures containing hexakis(amino)diphosphazenium, tetrakis(amino)-phosphonium and polyaminophospazenium salts |
09/02/2004 | DE10307558A1 Phosphazeniumsalz-Mischungen enthaltend Hexakis(amino)diphosphazenium Tetrakis(amino)-phosphonium und Polyaminophosphazenium-Salze Phosphazenium mixtures containing hexakis (amino) Diphosphazenium tetrakis (amino) phosphonium salts and polyaminophosphazenium |
08/31/2004 | US6784327 Organic compounds having hydrogen atoms, which serve as starting materials, are fluorinated using if5 |
08/26/2004 | WO2004013094A3 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
08/25/2004 | EP1189855B1 Use of nitriles as polar aprotic solvents |
08/25/2004 | CN1163453C Synthesis of hydrocarbon compound containing fluorine on at least one alkyl chain carbon |
08/24/2004 | US6780815 Process for preparing fluorination catalyst |
08/19/2004 | WO2004069772A1 Process for production of iodine compounds and process for production of high-purity 5-iodo-2-methylbenzoic acid |
08/18/2004 | EP1284975B1 Ammonium compounds bearing an electrophilic fluorine, reagent containing same, method using same and synthesis method for obtaining them |
08/11/2004 | EP1445245A1 Synthesis of vicinal difluoro aromatics and intermediates thereof |
08/03/2004 | US6770776 Synthesis of fluorocarbon compounds |
07/29/2004 | US20040147789 Allyl esters substituted by a difluoromethylene group, their process of synthesis and their use, and a process for functionalizing a double bond |
07/29/2004 | US20040147390 Catalysts for nucleophilic substitution, systhesis thereof, composition containing them and use thereof |
07/29/2004 | US20040144947 Use of a composition of an ionic nature as a substrate reagent, a composition constituting a fluorination reagent and a method using same |
07/28/2004 | EP0976700B1 Process for halogenating hydroxyl group |
07/22/2004 | WO2004060805A1 Aluminium fluoride |
07/21/2004 | EP1439170A1 Fluorinating reactants and process for their preparation |
07/15/2004 | US20040138468 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
07/15/2004 | DE10300113A1 Production of 1,1-difluoroalkyl amines useful as fluorinating agents comprises reacting a carboxamide with oxalyl fluoride or difluorophosgene |
07/15/2004 | DE10300112A1 Fluorierungsreagenzien und Verfahren zu deren Herstellung Fluorinating reagents and methods for their preparation |
07/14/2004 | EP1437342A2 Fluorinating reactants and process for their preparation |
06/24/2004 | WO2004052860A1 Method for photochemical halogenation |
06/24/2004 | DE10256999A1 Production of halogenated compounds, especially chlorinated picoline, lutidine and collidine, involves photohalogenation in presence of an acid, e.g. trifluoroacetic acid, which prevents formation of hydrogen halide adducts |
06/17/2004 | WO2004050676A1 Method of fluorination |
06/17/2004 | US20040116755 Synthesis of (Dibromocyclobuta) aromatic compounds |
06/16/2004 | EP1268566B1 Porous polymer/carrier solid phase reactants, method for producing same and the use thereof |
06/16/2004 | CN1505547A Catalysts for nucleophilic substitution, synthesis thereof, compositions containing same and use thereof |
06/08/2004 | US6747178 Flow path in which at least two miscible fluids react; one compound to be fluorinated and one a fluorinating agent; microreactor |
06/03/2004 | WO2004045763A1 Porous aluminum fluoride |
05/26/2004 | EP1422216A1 Fluorine compound and fluorinating agent comprising the compound |
05/26/2004 | EP1214278B1 Regeneration of onium fluoride-hf adducts |
05/25/2004 | US6740253 From alkaline bromine byproduct solution obtained from bromine recovery plant, solution containing 25-35% bromine dissolved in aqueous lime or sodium hydroxide as alkali bromide and alkali bromate; replacement for liquid bromine |
05/20/2004 | US20040097758 Halogen-fluorine exchange or addition of HF to a C-C multiple bond in with a fluorination agent in the presence of an HF adduct of a monocyclic or bicyclic amine containing at least two nitrogen atoms at least one of which in in the ring |
05/19/2004 | CN1150148C Reagent and process which are useful for grafting substituted difluoromethyl group onto compound containing at least one electrophilic function |