Patents
Patents for C07C 201 - Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton (5,786)
08/2001
08/16/2001EP1123930A1 sYCLIC PHENOL SULFIDE-METAL COMPLEXES, CATALYSTS COMPRISING THE SAME AND ANALYTICAL METHODS FOR HYDROGEN PEROXIDE
08/14/2001US6274775 From aromatic amines by oxidation with hydrogen peroxide in the presence of a catalyst based on compounds of tungsten and/or molybdenum without the addition of the organic solvents conventionally used.
08/08/2001EP1121344A2 Chemical processes
08/07/2001US6271411 Process for preparing 2-aryl-substituted indenes
08/07/2001US6270843 Process for generating useful electrophiles from common anions and their application in electrophilic reactions with organic substrates
08/02/2001DE10018048C1 Verfahren zur Herstellung von substituierten Nitro-benzoesäuren durch Oxidation der korrespondierenden Nitro-toluole, Nitro-benzylalkohole, -ester und/oder -ether A process for the preparation of substituted nitro-benzoic acids by oxidation of the corresponding nitro-toluenes, nitro-benzyl alcohols, esters and / or ethers
07/2001
07/25/2001CN1305446A production of organic compounds which are low in fluoride
07/24/2001US6265604 (R)-3-hydroxy-3-(2-phenylethyl)-hexanoic acid derivatives
07/18/2001EP1115679A1 Method for producing olefins
07/18/2001CN1304398A Process for preparation of nitro compound and method for removal of nitrogen dioxide
07/18/2001CN1303740A Preparation method of nitro-substituted benzoic acid and its special-purpose composite catalyst
07/11/2001EP1114022A1 Process for producing stereoselective nitro compounds
07/10/2001US6258986 Process for the production of dinitrotoluene
07/05/2001WO2001009065A3 Nitration in a static micromixer
07/04/2001EP1112990A1 Methods for producing and separating erythro- and threo-2-hydroxy-3-nitrobutanoic acid compounds
07/04/2001CN1067980C Method for extracting nitrochlorobenzene from wastes for producing p-10-nitrochlorobenzene
07/03/2001US6255542 Process for preparing 2-chloro-4-nitroalkylbenzene
07/03/2001US6254789 Method for treating aqueous solutions comprising acids and nitrated compounds
06/2001
06/28/2001WO2001046130A1 Process for the preparation of diphenyl ether compounds
06/28/2001US20010005762 Methods for producing and separating erythro- and threo-2-hydroxy-3-nitrobutanoic acid compounds
06/20/2001CN1300284A Method for producing isoxazoline-3-yl-acyl benzene
06/20/2001CN1067373C Preparation of nitro phenol
06/14/2001WO2001042198A2 Methods for producing cyanobenzoic acid derivatives
06/14/2001CA2410596A1 Methods for producing 3-cyano-and 4-cyano-benzoic acid derivative compounds
06/07/2001DE19958389A1 Verfahren zur Herstellung eines Dinitronaphthalin-Isomerengemisches mit erhöhtem Anteil an 1,5-Dinitronaphthalin A process for the preparation of a dinitronaphthalene isomer mixture with an increased proportion of 1,5-dinitronaphthalene
06/06/2001EP1104751A1 Method for producing a dinitronaphthalene-isomer mixture having an increased 1,5-dinitronaphthalene proportion
06/05/2001US6242657 Reacting a nitratable aromatic compound with nitrating acids comprising nitric acid in the presence of one or more anionic, cationic, zwitterionic nonionic surface-active substances
06/05/2001US6242656 Reacting nitronaphtalene with nitric acid in the presence of a solid perfluorinated strongly acidic ion exchanger
06/05/2001US6242654 Preparation process of fluorine substituted aromatic compound
05/2001
05/30/2001CN1296940A Environmentally friendly process for preparing benzoic acid and its derivatives
05/23/2001CN1296467A Novel process for preparation of 3-bromoanisole and 3-bromonitrobenzene
05/22/2001US6235942 Process for preparing diketone compounds
05/17/2001DE19954397A1 Verfahren zur Herstellung von Nitrosobenzolen A process for the preparation of nitrosobenzenes
05/17/2001DE19954396A1 Verfahren zur Herstellung von Nitrosobenzolen A process for the preparation of nitrosobenzenes
05/17/2001DE19954014A1 Verfahren zur Herstellung von Trifluormethylanilinen A process for preparing trifluoromethylanilines
05/17/2001DE19940861C1 Verfahren zur Herstellung von 2-Chlor-4-nitroalkylbenzol A process for the preparation of 2-chloro-4-nitroalkylbenzene
05/16/2001EP1099686A2 Process for the preparation of trifluormethylanilines
05/16/2001EP1099684A1 Process for the preparation of nitro compounds and method for the removal of nitrogen dioxide
05/16/2001EP1099683A1 Process for the preparation of nitrosobenzenes
05/16/2001EP1099682A1 Process for the preparation of nitrosobenzenes
05/16/2001CN1295060A Intermediate for preparing allyl quinone derivative and prep. of the same
05/12/2001CA2325335A1 Process for the preparation of nitrosobenzenes
05/12/2001CA2325321A1 Process for the preparation of nitrosobenzenes
05/10/2001DE19953194A1 Verfahren zur Aufbereitung von Reaktionsgemischen, hergestellt durch Halexreaktion A process for the preparation of reaction mixtures produced by halex reaction
05/09/2001EP1097918A1 Process for producing 4-substituted-2-nitro-fluorobenzenes
05/09/2001EP1097914A2 Process for the treatment of reaction mixtures, obtained by halogen exchange reactions
05/09/2001CN1294118A Equipment for refining 2,4-dinitro chlorobenzone and its crystallizing process
05/02/2001EP1094999A2 Production of organic compounds which are low in fluoride
04/2001
04/26/2001WO2001028974A2 Intermediates for making a benzofuran or benzothiophene derivative nitrated in position 5 and uses thereof
04/26/2001CA2387713A1 Intermediates for making a benzofuran or benzothiophene derivative nitrated in position 5 and uses thereof
04/24/2001US6222078 Reactng trichloro aromatic compound with hydrogen fluoride in presence of metal oxide catlyst or metal compound catalyst to form chloro, difluoro aromatic compound
04/19/2001WO2001026807A1 Supported ferrocene-based catalysts for selective aldehyde hydrogenation
04/19/2001CA2383653A1 Supported ferrocene-based catalysts for selective aldehyde hydrogenation
04/18/2001CN1064673C Method for preparation of 3,4-dihydroxy-5-nitrobenzaldehyde
04/17/2001US6218564 A chloroaromatic compound and an alkyl-, alkenyl- or aryl-boronic acid ester or anhydride are coupled in the presence of palladium and a lipophilic aliphatic phosphine
04/04/2001EP0721441B1 Halogenation reactions
04/03/2001US6211245 Compounds active at a novel site on receptor-operated calcium channels useful for treatment of neurological disorders and diseases
03/2001
03/29/2001WO2000069800A3 Process for preparing ketones or aldehydes
03/28/2001CN1063739C Method of purifying acifluorfen
03/21/2001CN1288003A Method for prepn. of aryl carboxylic ester
03/14/2001EP1083167A1 Process for the preparation of aryl carboxylate esters
03/14/2001EP0805800B1 Method for preparing (+)compactin and (+)mevinolin analog compounds having a beta-hydroxy-delta-lactone grouping
03/07/2001CN1286244A Method for preparing 2-chloro-4-nitro alkyl benzene
03/06/2001USRE37087 Insecticidal triffluormethyl alkane derivatives
03/06/2001US6198007 Reacting 1-halogeno-2,4-dinitrobenzenes with mono-alkali metal salts of specific diols
02/2001
02/28/2001EP1078914A1 Process for the preparation of 2-chloro-4-nitroalkylbenzene
02/28/2001EP1078669A1 Process and crystallizer for purifying materials or mixtures thereof
02/28/2001EP1077955A1 Method for producing isoxazoline-3-yl-acyl benzene
02/28/2001CN1062549C Process for the pheparation of allyl quinone derivatives, and intermediates
02/21/2001CN1284939A Process for making certain benzoic acid compounds
02/20/2001US6191325 Recovering/recycling nitric acid from dinitration process streams comprising HNO3/dinitro compounds
02/20/2001US6191302 An alkyl nitrite produced on an industrial scale with high efficiency and low yield of by-products by circulating nitrogen monoxide and an alkyl alcohol in a distillation column while controlling exothermic heat and weight ratio
02/20/2001US6190619 Valve with cap vent; bypass passageway connects manifolds
02/15/2001WO2001010815A1 Bis(4-hydroxy-3-nitro-5-perfluoroalkylphenyl)fluoro-alkanes and process for the preparation thereof
02/15/2001WO2001010814A1 Process for the preparation of naproxene nitroxyalkylesters
02/15/2001WO2000075094A3 Method for producing a halogenated acetophenone
02/08/2001WO2001009065A2 Nitration in a static micromixer
02/06/2001US6184425 Process for preparing fluorine-containing compounds
02/01/2001DE19935692A1 Nitrierung in einem statischen Mikromischer Nitration in a static micromixer
01/2001
01/30/2001CA1341173C Fungicides
01/24/2001EP1070040A1 Oxidation process using periodic acid
01/24/2001EP1070039A1 Oxidation process using tempo
01/24/2001EP1070038A1 New processes for the preparation of 3-bromoanisole and 3-bromonitrobenzene
01/23/2001US6177596 Highly acidic microporous synergistic solid catalyst and its applications
01/23/2001US6177033 Pressurization
01/18/2001WO2001004082A1 A process for obtaining (nitroxymethyl)phenyl esters of salicylic acid derivatives
01/18/2001CA2377222A1 A process for obtaining (nitroxymethyl)phenyl esters of salicylic acid derivatives
01/17/2001CN1280555A Process for electrophilic aromatic substitution
01/11/2001WO2001002336A1 Process for the production of glycerol dinitrates
01/11/2001WO2001002321A1 Method for nucleophilic substitution
01/11/2001WO2001002320A1 Use of nitriles as polar aprotic solvents
01/11/2001CA2376484A1 Use of nitriles as polar aprotic solvents
01/04/2001WO1998005610A3 Process for preparing fluorine-containing compounds
01/03/2001EP1064243A1 Coupling reactions with palladium catalysts
01/02/2001US6169213 Process for the preparation of heteroaryl aldehydes and heteroaryl ketones
01/02/2001CA1341162C Sbustituted aminomethyltetralins and their heterocyclic analogues
12/2000
12/27/2000EP1062198A1 Process for nitration of aromatic compounds using a non-acid type nitration process
12/27/2000CN1277956A Pharmaceutical compound for killing cancer cells and pathogenic bacteria and prepn. method therefor
12/20/2000CN1277601A Method for producing aromatic nitro compounds
12/20/2000CN1059668C Process for producing N-aliphatic substituted p-phenylenediamines
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