| Patents for C07B 39 - Halogenation (1,839) |
|---|
| 06/10/1997 | CA2137036C Process for preparing difluorinated diazoniabicycloalkane derivatives |
| 06/02/1997 | CA2191654A1 Process for the preparation of fluorine-containing chemical compounds |
| 05/29/1997 | WO1997018893A1 Para-chlorination of aromatic compound |
| 05/14/1997 | EP0773210A1 Process for the preparation of fluorinated aromatic compounds |
| 05/14/1997 | EP0772575A1 Preparation of halogenated compounds |
| 05/12/1997 | CA2189945A1 Process for preparing fluorinated aromatics |
| 04/22/1997 | US5623076 Process for the preparation of chloromethylpyridines |
| 03/25/1997 | US5614626 1,2,3-Oxathiazin-4(3F)-one 2,2-dioxides, a process for their preparation and their use as electrophilic fluorinating agents |
| 02/12/1997 | EP0757667A1 Processes for preparing aromatic, bromine-containing compounds, novel bromine-containing compounds, and their use as intermediate products in the synthesis of active agents |
| 01/29/1997 | EP0755908A2 Process for preparing substituted chloro-aromatic compounds |
| 01/15/1997 | EP0753497A1 Process for the selective preparation of monofluoro derivatives |
| 01/15/1997 | CA2181134A1 Process for the selective preparation of monofluoro derivatives |
| 01/09/1997 | WO1997000848A1 A process for the preparation of esters |
| 01/08/1997 | EP0752407A2 Process for the preparation of halogenated condensation products by simultaneous condensation and halogenation |
| 01/01/1997 | CN1139103A Process for synthesis of hydrocarbon compounds which are fluorinated on carbon of alkyl chain |
| 12/11/1996 | CN1137508A Reagent and process which are useful for grafting substituted difluoromethyl group onto compound containing at least one electrophilic function |
| 11/26/1996 | US5578737 Chlorination process, alkylation of products of said process and some products thereof |
| 11/26/1996 | US5578278 Tubular reactor system for direct fluorination |
| 11/20/1996 | CN1033319C Process for production of ethylene and mixtures containing ethylene |
| 11/13/1996 | CN1135481A Preparation method for chloromethyl pyridine compound |
| 11/05/1996 | US5571870 Liquid phase fluorination |
| 10/29/1996 | US5569778 Process for preparing fluorine-containing dicarbonyl compound |
| 10/29/1996 | US5569774 Process for the preparation of chlorine-substituted olefins |
| 10/23/1996 | EP0738248A1 The preparation of dicarbonyls |
| 10/09/1996 | EP0735992A1 Method of converting hydroxyl groups into corresponding fluoro compounds |
| 10/09/1996 | EP0632799B1 Process for producing chlorine-substituted olefine compounds |
| 10/08/1996 | US5563279 Reacting pyrrole containing at least one electron withdrawing substituent and one bromine atom with chlorinating agent in presence of solvent |
| 10/02/1996 | EP0734363A1 Fluorination process |
| 09/25/1996 | EP0733614A1 Reagent and process useful for attaching a substituted difluoromethyl group onto a compound with at least one electrophilic function |
| 09/25/1996 | CA2172450A1 Reagent and process for grafting a substituted difluoromethyl group on a compound containing a least one electrophilic function |
| 09/11/1996 | EP0730566A1 Selectively fluorinated organic compounds |
| 09/04/1996 | EP0729930A1 Process for the synthesis of hydrocarbons fluorinated on a carbon of an alkyl chain |
| 08/29/1996 | CA2170566A1 Process for synthesizing fluorinated hydrocarbons on a carbon of an alkyl chain |
| 08/21/1996 | CN1129207A Process for production of 2,6-dichlorophenol by using O-chlorophenol |
| 08/13/1996 | US5545773 Liquid phase fluorination process and fluorinated organic products resulting therefrom |
| 08/08/1996 | WO1996023754A1 Method for synthesis of aryl difluoromethyl ethers and the like |
| 07/24/1996 | EP0722933A1 Process for the preparation of chloromethylpyridine derivatives and acylaminomethyl pyridines as intermediates |
| 07/17/1996 | EP0721441A1 Halogenation reactions |
| 07/03/1996 | EP0584074B1 A process for the production of ethylene or a mixture of ethylene and vinyl chloride |
| 06/26/1996 | EP0718260A1 Method for working up complex amine hydrofluorides |
| 06/21/1996 | CA2165632A1 Process for the work-up of complex amine hydrofluorides |
| 06/18/1996 | US5527960 Reacting an alcohol with fluoro-(1-pentafluoro-1-propenyl)-tri(amino)alkyl phosphorane, corrosion resistance, nontoxic |
| 06/11/1996 | US5525729 Fluorinating carbanions |
| 05/30/1996 | WO1996016002A1 Conversion of oxygenated organic compounds to fluorocarbons and anhydrous hydrogen fluoride using uranium hexafluoride |
| 05/30/1996 | CA2203543A1 Conversion of oxygenated organic compounds to fluorocarbons and anhydrous hydrogen fluoride using uranium hexafluoride |
| 05/23/1996 | WO1996015084A1 Process for producing halogenated organic compounds |
| 05/21/1996 | CA2051041C Fluorinated diazabicycloalkane derivatives |
| 05/09/1996 | WO1996013474A1 Method of converting hydroxyl groups into corresponding fluoro compounds |
| 05/07/1996 | US5514254 Procedure for the photochlorination of alkyl-aromatic compounds |
| 05/02/1996 | WO1996012702A1 Conjugated n-fluoropyridinium salt polymer and use thereof |
| 04/18/1996 | WO1996011227A1 Continuous bromination process and products thereof |
| 04/17/1996 | EP0707094A1 Process for preparing perfluoroalkanesulfonyl fluorides |
| 04/02/1996 | US5504264 Process for preparing 1,3-difluorobenzene |
| 04/02/1996 | US5504248 Preparation of halogenated compounds |
| 03/26/1996 | CA1338187C Halogen labeled compounds including estradiol derivatives, synthetic intermediates, syntheses thereof and uses thereof |
| 03/21/1996 | DE4445529C1 Tert. amine recovery from liq. complex in hydrofluorination of haloalkene |
| 03/21/1996 | DE4439488C1 Verfahren zur Umwandlung von Hydroxylgruppen in die entsprechenden Fluorverbindungen A process for converting hydroxyl groups into the corresponding fluoro compounds |
| 03/12/1996 | USRE35177 N-fluoropyridinium salt and process for preparing same |
| 03/12/1996 | US5498807 Process for the preparation of aromatic fluoro compounds |
| 02/21/1996 | EP0697406A1 Process for the preparation of polychloropyrimidines from polyhydroxypyrimidines |
| 02/21/1996 | EP0697387A2 Improved method for the preparation of iodonium salts |
| 02/08/1996 | WO1996003358A1 Preparation of halogenated compounds |
| 02/08/1996 | WO1996003357A1 Selectively fluorinated organic compounds |
| 02/08/1996 | WO1996003356A1 Halogenation reactions |
| 02/07/1996 | EP0695290A1 N-fluorosulphonimides, method of preparing them and their use as fluorination agents |
| 01/30/1996 | US5488142 Fluorination in tubular reactor system |
| 01/24/1996 | EP0693466A1 Process for the preparation of aromatic fluorinated compounds and diamides |
| 01/23/1996 | US5486275 Decarbonylation an acyl bromide derivative with exposure to ultraviolet light |
| 01/23/1996 | US5486271 Electrochemical fluorination |
| 01/17/1996 | EP0692479A1 1,2,3-Oxathiazin-4(3F)-one-2,2-dioxides, process for their preparation and their use as electrophilic fluorination agents |
| 01/16/1996 | US5484932 Chlorination or bromination in solutions with solvents |
| 01/16/1996 | US5484576 Fixed bed reactors having a short catalyst bed in the direction of flow |
| 01/14/1996 | CA2153759A1 1,2,3-oxathiazin-4(3f)-one 2,2-dioxides, a process for their preparation and their use as electrophilic fluorinating agents |
| 12/26/1995 | US5478964 N-fluorosulfonimides and their application as fluorinating agents |
| 12/13/1995 | EP0686136A1 Improved process for manufacture of fluoroaromatics |
| 12/05/1995 | US5473065 Useful as electrophilic fluorinating agents |
| 11/29/1995 | EP0684243A1 Process for preparing 2-amino-6-chloropurine and 2-acylamino-6-chloropurine |
| 11/28/1995 | US5471002 Process for preparing trifluoromethylanilines |
| 11/09/1995 | WO1995029886A1 Processes for preparing aromatic, bromine-containing compounds, novel bromine-containing compounds, and their use as intermediate products in the synthesis of active agents |
| 11/08/1995 | EP0680956A1 Benz-1,2,3-oxathiazin-4(3F)-on-2,2-dioxides, process for their preparation and their use as electrophilic fluorination agents |
| 11/02/1995 | DE4414841A1 Brom enthaltende aromatische Verbindungen, Verfahren zu ihrer Herstellung und ihre Verwendung als Zwischenprodukte bei der Synthese von Wirkstoffen Bromine-containing aromatic compounds, process for their preparation and their use as intermediates in the synthesis of active compounds |
| 10/31/1995 | US5463135 Fluorinated benzils and a process for their preparation |
| 10/31/1995 | CA2148193A1 Process for preparing 2-amino-6-chloropurine and 2-acylamino-6-chloropurines |
| 10/24/1995 | US5461117 Liquid phase fluorination |
| 10/03/1995 | US5455373 Method of producing perfluorocarbon halides |
| 09/21/1995 | DE4408681A1 New fluoro-benzoxathiazinone-di:oxide cpds. |
| 09/16/1995 | CA2144594A1 Benz-1,2,3-oxathiazin-4(3f)-one-2,2-dioxides, a process for their preparation and their use as electrophilic fluorinating agents |
| 09/12/1995 | US5449789 Debrominative chlorination of pyrroles |
| 08/16/1995 | EP0667332A1 Process for producing fluorinated dicarbonyl compound |
| 08/16/1995 | CN1106799A Process for the preparation of 2,4,5-tribromopyrrole-3-carbonitrile |
| 08/15/1995 | US5442072 Reacting aminomethylpyridine with nitrosyl chloride |
| 08/08/1995 | US5440051 Halogenating by metering into reaction vessel at the same time as chlorine in presence of solvent or absence of solvent to form a chemical intermediates for fungicides or insecticides |
| 08/08/1995 | CA1336589C Process for brominating an alkylarene substrate |
| 08/08/1995 | CA1336588C Process for the production of a dibrominated alkylbenzene |
| 07/12/1995 | CN1104930A Fluorination in tubular reactor system |
| 07/05/1995 | EP0661263A2 Process for the preparation of 2,4,5-tribromopyrrole-3-carbonitrile |
| 06/23/1995 | CA2138587A1 Process for the preparation of 2,4,5-tribromopyrrole-3-carbonitrile |
| 06/22/1995 | WO1995016649A1 Fluorination process |
| 06/20/1995 | US5426222 Method for the preparation of iodonium salts |
| 06/20/1995 | CA1336002C Liquid phase fluorination |