Patents for C07B 39 - Halogenation (1,839)
05/2004
05/18/2004US6737525 Electrophilic fluorination
05/13/2004US20040092728 Using halodimethylsulfonium halide as activated nucleophilic agent
04/2004
04/22/2004WO2004018093A3 Cobalt-substituted chromium oxide compositions, their preparation, and their use as catalysts and catalyst precursors
04/22/2004DE10321112A1 Production of pentafluoro sulfuranide compounds, useful as organic fluorinating agents, involves reduction of sulfur hexafluoride with a divalent cation-forming reducing agent e.g. tetrakis dimethylamino-ethylene
04/15/2004US20040073065 Fluorine compound and fluorinating agent comprising the compound
04/15/2004DE10246626A1 Selective halogenation of alkyl aromatic compounds, useful as intermediates for the production of plant protection agents, comprises insertion of halogenating agents in a micro-reactor under photochemical induction
04/14/2004CN1489572A Process for producing fluorine-contained compounds
04/14/2004CN1489560A Production of fluorine compounds
04/07/2004EP1404687A2 Fluorous triphase and other multiphase systems
04/07/2004EP1404443A2 Process for preparing fluorination catalyst
04/07/2004EP1131270B1 Process for converting an alcohol to the corresponding fluoride
04/07/2004CN1144619C Immobilised ionic liquid
04/01/2004US20040062941 Mixture of porous polymer and solid phase support; fine particle sizes; anchoring organic compounds
03/2004
03/31/2004EP1401844A2 Use of a composition of an ionic nature as a substrate reagent, a composition constituting a fluorination reagent and a method using same
03/24/2004CN1484632A Method for using a carbamoyl fluoride as fluorinating agent
03/24/2004CN1483727A Halogenationg agent
03/24/2004CN1483720A Method for synthesizing 'beta'-fluoroamine compound
03/18/2004WO2004022219A1 Propulsive nozzle injection method in fluidised bed reactors
03/18/2004US20040054224 Process for manufacture of a 4-bromo-2-oxyimino butyric acid and its derivatives
03/16/2004US6706933 Mixing a tetrafluoroaromatic derivative in an organic solvent with a reducing agent in aqueous ammonia, under an inert gas
03/11/2004US20040049069 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
03/04/2004WO2004018093A2 Cobalt-substituted chromium oxide compositions, their preparation, and their use as catalysts and catalyst precursors
02/2004
02/26/2004DE10237124A1 Performing reaction, e.g. catalytic cracking, in fluidized particle layer involves suctioning medium to be inserted into particle layer using gaseous propellant medium, mixing with medium and inserting into particle layer
02/25/2004EP1294662B1 Processes for fluorinating aromatic ring compounds
02/19/2004WO2004014820A2 General synthesis of fluorine compounds
02/19/2004US20040034260 Oxidative halogenation of aromatic compound
02/19/2004US20040033892 Ion liquids derived from lewis acid based on titanium, niobium, tantalum, tin or antimony, and uses thereof
02/19/2004DE10236052A1 General method for production of fluorinated organic or inorganic compounds, involves using hydrogen fluoride adducts of mono- or bi-cyclic amines with at least two nitrogen atoms as catalysts or fluorinating agents
02/12/2004WO2004013094A2 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
02/12/2004WO2002102810A8 Synthesis of (dibromocyclobuta) aromatic compounds
02/12/2004US20040030173 Process for producing fluorinated dicyanobenzene
02/12/2004US20040029723 Novel aminophosphonium compounds
02/12/2004CA2494404A1 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
02/05/2004US20040024269 Reacting a carbonyl compound with a compound of the formula X-Z or Z2O (Z = monovalent group which gives a leaving group of structure -OZ, and X= a chlorine, bromine or iodine atom), then acting a fluorinating agent which generates fluorine
02/05/2004US20040024238 Use of nitriles as polar aprotic solvents
01/2004
01/29/2004WO2004009520A1 Method for producing chlorinated hydrocarbon having chlorinated tertiary carbon
01/29/2004CA2492108A1 Method for producing chlorinated hydrocarbon having chlorinated tertiary carbon
01/28/2004CN1471502A Oxidative halogenation of aromatic compound
01/08/2004DE10227223A1 Verfahren zur Herstellung substituierter organischer Verbindungen und Verwendung von Katalysatoren für Substitutionsreaktionen Process for preparing substituted organic compounds, and use of catalysts for substitution reactions
01/07/2004EP1377376A1 Catalysts for nucleophilic substitution, synthesis thereof, composition containing same and use thereof
12/2003
12/24/2003WO2003106379A1 Method for producing substituted organic compounds and use of catalysts for substitution reactions
12/24/2003WO2002102810A3 Synthesis of (dibromocyclobuta) aromatic compounds
12/24/2003WO2002092608A3 Use of a composition of an ionic nature as a substrate reagent, a composition constituting a fluorination reagent and a method using same
12/17/2003EP1370506A1 Production of fluorine compounds
12/16/2003US6664391 N-fluorotriazinium fluorinating agents
12/16/2003CA2248407C Thermally stable aminosulfur trifluorides
12/16/2003CA2088431C Process for producing 4-bromomethylbiphenyl compounds
12/11/2003WO2003101926A1 Method for producing a compound containing fluorine via fluorine-halogen exchange by special polyamino phosphazene catalysts
12/11/2003WO2002100802A3 Fluorous triphase and other multiphase systems
12/10/2003CN1130254C Fluorating catalyst
12/02/2003US6657094 Deiodination by reaction with chlorine gas
11/2003
11/27/2003WO2003076366A3 A method for preparing organic fluorocompounds
11/26/2003EP1364938A1 Process for producing fluorine compound
11/26/2003EP1364937A1 Method for controlling reaction and controlling apparatus
11/26/2003CN1457924A Phase transfer catalyst for haloarene replacing fluorination
11/20/2003US20030216603 Fluorinated quaternary ammonium salt
11/19/2003CN1457335A Method for controlling reaction and controlling apparatus
11/13/2003WO2003093212A1 High-purity (fluoroalkyl)benzene derivative and process for producing the same
11/12/2003CN1127457C Process for electrophilic aromatic substitution
11/11/2003US6645904 Use as phase transfer catalysts, in halogen-fluorine exchange reactions and nucleophilic substitutions; bis(2-methoxyethyl)amino-tris(pyrrolidino)phosphonium chloride for example; lower dermal toxicity
11/06/2003WO2003091199A1 Method for chlorinating tertiary alcohols
11/05/2003CN1454195A Process for fluorinating aromatic ring compounds
10/2003
10/30/2003US20030204099 Process for producing a fluorine-containing compound by liquid phase fluorination
10/21/2003US6635760 Ring fluorination of non-activated aromatic compounds
10/14/2003US6632949 Halogenating agents
10/08/2003EP1349831A2 Method for using a carbamoyl fluoride as fluorinating agent
10/07/2003US6630610 Liquid phase catalysis; vaporization of high boiling by-products; recovery of fluorinated/chlorinated by-products
09/2003
09/25/2003US20030181760 Liquid phase reaction system is a reaction system in which methanol and carbon monoxide are reacted in the presence of a carbonylation catalytic system to produce acetic acid
09/25/2003US20030181759 Reacting a benzoic acid with a halogenating agent in presence of palladium catalyst to form halogenated benzoic acid or derivatives
09/24/2003CN1122004C Halogen exchange reactions and uses thereof
09/18/2003WO2003076366A2 A method for preparing organic fluorocompounds
09/18/2003US20030176747 Process for the production of fluorinated organic compounds and fluorinating agents
09/16/2003US6620972 Fluorous sulfoxides used to oxidize primary or secondary alcohols to aldehydes or ketones in presence of activator, followed by treatment with organic base
09/03/2003EP1180091B1 Fluorination
08/2003
08/28/2003WO2002098924A3 Compositions including fluorinated peroxides, methods of making, and the use thereof
08/20/2003EP1165464B1 Preparation of selectively fluorinated organic compounds
08/13/2003EP0946504B1 Compounds useful for perhalogenoalkylation, reagent for implementing these compounds and synthesis method for obtaining these compounds
08/13/2003CN1436159A Processes for production of fluorinated organic compounds and fluorinating agent
08/13/2003CN1117736C Method for producing 2-(3-pyrazolyl-oxymethylene) nitrobenzenes
08/07/2003US20030149315 Synthesis of vicinal difluoro aromatics and intermediates thereof
07/2003
07/31/2003WO2003062143A1 Preparation of non-hazardous brominating reagents
07/30/2003CN1433420A Ion liquids derived from lewis acid based on titanium, niobium, tantalum, tin or antimony and uses thereof
07/24/2003US20030136941 Preparation of non-hazardous brominating reagents
07/23/2003EP1084091B1 Method for producing alkyl chloride, alkenyl chloride and alkinyl chloride
07/22/2003US6596130 Using ionic liquids as solvents resulted in high yields with dramatically reduced reaction times
07/09/2003EP1324965A1 Oxidative halogenation of aromatic compound
07/08/2003CA2260277C Imidazolate sulfuryl difluorides
07/03/2003US20030125590 For effecting reactions and/or separations using organic molecule, moiety or group having a domain or a portion thereof rich in carbon-fluorine bonds
07/01/2003US6586626 Fluorinating compound in liquid phase
06/2003
06/25/2003CN1426388A Process for preparation of 2-halobenzoic acids
06/19/2003US20030114721 Functionalization is produced by the action of perhalogenated sulphonyl chloride on the carbon bearing sulphur in presence of a free radical initiator, preferably by homolytic cleavage
06/18/2003EP1319642A2 Method of Preparing a Halogenated Compound
06/11/2003EP1317405A1 Fluorination method
06/11/2003EP1001937B1 Method for producing 2-(3-pyrazolyl-oxymethylene) nitrobenzenes
06/10/2003US6576782 Halogenation of protected phenols in meta position
06/05/2003WO2003045899A1 An improved process for manufacture of 4-bromo-2-oxyimino butyric acid and its derivatives
06/05/2003US20030105363 To an aldehyde or ketone; regenerating and recycling the fluorous sulfoxide
05/2003
05/29/2003US20030100806 Synthesis of vicinal difluoro aromatics and intermediates thereof
05/28/2003EP0999999B1 Method for preparing substituted benzyl bromides
05/15/2003WO2003040088A1 Process for preparation of fluorinated sulfides with iodine pentafluoride
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