Patents for C07B 39 - Halogenation (1,839) |
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01/25/1989 | EP0189448B1 Agent for the fluoridation of organic compounds particularly acetylenic compounds, preparation process thereof and utilization thereof in nucleophilic substitution or addition reactions |
01/18/1989 | EP0299891A1 Process for the selective chlorination of phenolic compounds |
01/18/1989 | EP0299890A1 Process for the chlorination of phenolic compounds |
01/18/1989 | EP0299270A1 Bromination process |
01/03/1989 | US4795737 Process for the iodination of aromatic compounds over solid catalysts |
12/28/1988 | CA1247634A Process for preparing aromatic bromine compounds |
12/27/1988 | US4794178 Carrier-free |
12/20/1988 | US4792642 Oxygen atmosphere, non-acid zeolite catalysts |
12/20/1988 | US4792641 Process for preparing iodinated aromatic compounds |
12/20/1988 | CA1247138A1 Simultaneous esterification and fluoration process |
12/20/1988 | CA1247131A1 Process for preparing compounds containing a difluoromethylene or a trifluoromethyl group |
11/29/1988 | US4788356 Iodination of benzene, naphthalene, or biphenyl; separation, recovering; catalysis with zeolite type x |
11/29/1988 | US4788355 Oxyiodination catalyst |
11/15/1988 | US4785121 Halogenation of nitrophthalic anhydride with arylphosphorus tetrahalide |
11/08/1988 | US4783562 Process for the preparation of trichloromethyl-substituted aromatic compounds, and trichloromethyl-substituted aromatic compounds obtained in this process |
11/08/1988 | US4783526 Reacting sucrose with tritylating agent; acetylation, dealkylation, isomerization, and deacetylation |
11/02/1988 | EP0289180A2 Method of chlorination |
11/02/1988 | CN88101781A Process for preparing iodinated substituted aromatic compounds |
11/01/1988 | CA1244055A1 Process for preparing primary and-or tertiary allyl halides |
10/25/1988 | US4780559 Reacting quaternary phosphonium bifluoride with organic halides |
10/20/1988 | WO1988007987A1 Improved process for preparing aromatic fluorides |
10/19/1988 | EP0287007A2 Process for cleaving aliphatic ether compounds |
10/18/1988 | US4778940 Reacting iodine in presence of oxygen over zeolite catalyst |
10/18/1988 | US4778939 Reacting iodine, aromatic ring and oxygen in presence of non-acidic zeolite catalyst impregnated with alkali or alkaline earth metal salt |
10/12/1988 | EP0164619B1 2,4,5-trihalo or 2,3,4,5-tetrahalo benzene derivatives and process for producing them |
10/06/1988 | WO1988007513A1 Improved vapor phase bromination of aromatic compounds |
10/06/1988 | WO1988007512A1 Process for preparing iodinated aromatic compounds |
10/06/1988 | WO1988007511A1 Processes for isomerizing and oxidative iodinating aromatic compounds |
10/06/1988 | WO1988007510A1 Liquid phase isomerization of iodoaromatic compounds |
10/06/1988 | WO1988007509A1 Process for preparing iodinated substituted aromatic compounds |
10/04/1988 | CA1242742A1 2,4,5-trihalogeno- and 2,3,4,5-tetrahalogenobenzene |
09/28/1988 | CN88101242A Method of converting a carboxylic acid group to a trihalomethyl group |
09/21/1988 | EP0283411A1 Process for chlorinating phenolic compounds |
09/21/1988 | EP0283270A2 Processes using a phosphorus complex |
09/14/1988 | EP0281965A1 Method of converting a carboxylic acid or carboxylic acid halide group to a trihalomethyl group |
07/06/1988 | EP0273736A2 Shaped zeolite catalyst for liquid phase organic reactions |
06/28/1988 | US4754087 Reacting hydrogen halide with terminal conjugated diene using cuprous halide-salt catalyst |
06/28/1988 | US4754080 N-halodialkylamines for halogenating phenols |
06/15/1988 | EP0271272A2 Process for preparation of perfluoro organic compounds |
05/31/1988 | US4748277 Process for the preparation of trifluoromethylanilines |
04/26/1988 | US4740629 Excess bromine, zirconium halide catalyst |
04/19/1988 | US4739057 Using an arylphosphorushalide |
03/29/1988 | US4734526 Ammonium dihydrogenotrifluorides |
03/09/1988 | EP0258985A1 Process for preparing fluoroaromatic compounds |
03/08/1988 | US4730046 Preparation of aryl halides |
02/23/1988 | US4727187 Catalytic fluorination of dichloroalkyl phenyl ether |
02/16/1988 | USRE32606 Process for the complete bromination of non-fused ring aromatic compounds |
01/12/1988 | CA1231332A1 Nuclear chloration of aromatic hydrocarbons with a catalytic composition containing a lewis acid and an n-substituted phenothiazine derivative |
01/07/1988 | EP0251732A2 Process for the preparation of 2-halogenated ergoline derivatives |
01/07/1988 | EP0251246A1 Process for converting organohydroxyl compounds to halides |
12/29/1987 | US4716231 Chlorination of 2-methoxynicotinic acid |
12/16/1987 | EP0249257A1 Preparation of aryl halides |
11/10/1987 | US4705847 Polycycloalkylidene-polycycloalkanes, epidioxy derivatives thereof and method of preparation |
11/10/1987 | US4705650 Process for the preparation of compounds halogenated α to an electron-attracting group |
11/03/1987 | US4704483 Fluorination with potassium fluoride |
09/29/1987 | US4697011 N-fluoro-N-perfluoromethyl sulfonamides |
09/22/1987 | US4695657 Process for preparing compounds containing a difluoromethylene group in a position α to an oxygen atom |
08/04/1987 | US4684734 Method for manufacture or organic fluorine compounds |
07/21/1987 | CA1224485A1 ELECTRO-ATTRACTIVE GROUP .alpha.-HALOGENATED COMPOUNDS PREPARATION METHOD |
07/16/1987 | WO1987004151A1 Preparation of fluoroaromatic compounds in dispersion of potassium fluoride |
07/16/1987 | WO1987004150A1 Catalytic method for producing fluoroaromatic compounds using substituted pyridinium salts |
07/16/1987 | WO1987004149A1 Phase transfer catalysts |
07/16/1987 | WO1987004148A1 Catalytic method for producing fluoroaromatic compounds using branched alkyl pyridinium salts |
07/07/1987 | CA1223893A1 Chlorination of aromatic derivatives |
06/23/1987 | US4675447 Chlorination with sulfuryl chloride; lewis acid catalyst |
05/27/1987 | EP0223421A2 Chlorination of carbohydrates and other alcohols |
05/26/1987 | US4668830 Process for the preparation of compounds containing a difluoromethylene or trifluoromethyl group |
04/28/1987 | US4661648 Decachlorobutane and octachlorobutenes |
04/21/1987 | US4659840 Method for preparing diaryl iodonium salts |
03/17/1987 | CA1219287A1 Simultaneous halogenation and fluoridation process of aromatic derivatives |
03/17/1987 | CA1219281A1 Halogenation-nitration-fluoration of aromatic derivatives |
03/11/1987 | EP0214068A1 Process for the preparation of fluorinated aromatic compounds |
02/25/1987 | EP0211578A2 N-fluoro-N-perfluoromethyl sulfonamides |
02/17/1987 | US4643812 Photochemical process for the hydrobromination of olefinic double bonds |
02/10/1987 | US4642398 Preparation of fluoronitrobenzene compounds in dispersion of potassium fluoride |
01/06/1987 | US4634778 Process for preparing chlorinated ethylenic derivatives |
01/06/1987 | US4634771 Method for converting carboxylic acid groups to trichloromethyl groups |
12/23/1986 | US4631151 Method for production of fluorine-containing aromatic derivative |
12/10/1986 | EP0204535A1 N-fluoropyridinium salt and process for preparing same |
12/09/1986 | CA1215070A1 Process for preparing chlorinated ethylenic derivatives |
11/04/1986 | US4621160 Process for the chlorination of aromatic derivatives |
08/28/1986 | WO1986004893A1 Process for the preparation of alkyl fluorides |
08/20/1986 | EP0106863B1 A process for preparing substituted polycyclo-alkylidene polycyclo-alkanes as well as said substituted polycyclo-alkylidene polycyclo-alkanes |
08/13/1986 | EP0190523A1 Process for the preparation of compounds bearing a difluoromethylene or trifluoromethyl group |
08/06/1986 | EP0189448A1 Agent for the fluoridation of organic compounds particularly acetylenic compounds, preparation process thereof and utilization thereof in nucleophilic substitution or addition reactions. |
07/23/1986 | EP0188154A1 Simultaneous esterification and fluorination process |
07/15/1986 | US4600787 Process for the preparation of aromatic compounds which contain perfluorinated side-chains bonded via a heteroatom |
07/09/1986 | EP0187023A2 Process for the preparation of organic fluorides |
06/25/1986 | EP0185559A1 Process for the preparation of primary and/or tertiary alkyl halides |
05/28/1986 | EP0182111A1 Process for the preparation of perhalogenated compounds |
04/15/1986 | US4582948 3-chloro-4-fluoro-5-nitrobenzotrifluoride |
03/11/1986 | US4575571 Halogen in liquid hydrogen fluoride |
03/05/1986 | EP0173390A1 Process for the substitutive chlorination of organic compounds with molecular chlorine in the presence of a chlorinated product as an iniator, and theuse of such an iniator |
03/05/1986 | EP0173201A1 Process for preparing aromatic bromo compounds |
02/19/1986 | EP0172066A1 Process for the preparation of halogenated compounds in the alpha position with respect to an electroattractive group |
02/04/1986 | US4568781 Preparation of fluorine-substituted aromatic compounds |
01/28/1986 | US4567280 Nitrogen dioxide; by-product inhibition |
01/16/1986 | WO1986000294A1 Agent for the fluoridation of organic compounds particularly acetylenic compounds, preparation process thereof and utilization thereof in nucleophilic substitution or addition reactions |
01/15/1986 | EP0168344A1 Process for the preparation of alpha, alpha-difluoroalkyl phenyl ether derivatives |
01/15/1986 | EP0168119A1 Chemiluminescent substituted epidoxy-polycycloalkyl polycycloalkanes and process for preparing these compounds |