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