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) |
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05/26/2005 | US20050113596 Nitrating a 2-(2-formylphenoxy) or 2-(2-formylphenylsulfido) alkyl ester or alkoic acid in the presence of sulfuric acid |
05/25/2005 | EP1532098A1 Process for preparing nitrooxyderivatives of naproxen |
05/25/2005 | CN1203045C Method for preparing 4-chlorine-3-nitro methyl-phenoxide |
05/25/2005 | CN1203040C Method for synthesizing diaryl ether by using amino acid as additive |
05/19/2005 | US20050107646 Process for the production of 1,5-dinitronaphthalene |
05/18/2005 | EP0946173B1 Preparation of 3-fluoro oxindole derivatives |
05/18/2005 | CN1202071C Pollution-free nitrifying process using composite metal complex to catalyze aromatic compound |
05/12/2005 | WO2005000803A8 Asymmetric urea compound and process for producing asymmetric compound by asymmetric conjugate addition reaction with the same as catalyst |
05/12/2005 | US20050101787 Reaction of metal complex and nitrogen compound to form nitro or nitrile complex |
05/11/2005 | EP1529772A1 Process for the production of 1,5-dinitronaphthalene |
05/11/2005 | CN1613843A Preparation of p-nitrophenoxide sodium |
05/10/2005 | US6891069 Brominating 4-substituted-o-xylene to form 4-substituted-1, 2-bis(dibromomethyl)benzene, reacting with sulfuric acid, adding solid sodium bicarbonate, adding water, hydrolyzing reaction product to 4-substituted-benzene-1,2-carbaldehyde |
05/05/2005 | US20050096471 Process for producing biaryl compound |
05/04/2005 | EP1526917A2 Novel nickel-carbene, palladium-carbene and platinum-carbene complexes, their production and use in catalytic reactions |
05/03/2005 | US6888032 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
04/28/2005 | WO2005037766A1 Method for extracting nitrocresols from waste water produced in the manufacture of mononitrotoluene and use of said extract |
04/28/2005 | US20050090543 Method for the preparation of tetrahydrobenzothiepines |
04/27/2005 | CN1198786C Process for preparation of naproxene nitroxyalkylesters |
04/20/2005 | EP1015414B1 Method for producing a dinitronaphthalene-isomer mixture having a high 1,5-dinitronaphthalene proportion |
04/14/2005 | US20050080262 Process for producing quinazolin-4-one derivative |
04/13/2005 | CN1196669C Method for producing substituted nitro benzoic acids by oxidation of corresponding nitro toluenes, nitro benzyl alcohols, esters and/or ethers |
04/06/2005 | EP1519911A1 Nitrophenol preparation method |
04/06/2005 | EP1246796B1 Process for the preparation of diphenyl ether compounds |
03/23/2005 | EP1147074B1 Synthesis method of nitroxymethylphenyl esters of aspirin derivatives |
03/23/2005 | CN1597658A Preparation method of 3-methyl-2-[5-(2-chloro-4-trifluoro methyl phonoxy) -2- nitrobenzoxy]-3-ethyl isocrotonate |
03/23/2005 | CN1597657A Diphenyl ether kind compound and its synthesis method |
03/23/2005 | CN1193980C Method for synthesizing stereoselectvely and efficiently diphenyl butane lignan compound |
03/17/2005 | WO2005023745A1 Process for producing aromatic aldehyde |
03/16/2005 | EP0812308B1 Method for synthesis of aryl difluoromethyl ethers and the like |
03/15/2005 | US6867336 Method for the continuous production of 2-bromo-2-nitro-1,3-propanediol |
03/09/2005 | EP1512678A1 Process for preparing optically active nitro compounds and cyano compounds |
03/08/2005 | US6864394 Method for producing ketones from carboxylic acid anhydrides |
03/03/2005 | WO2005000803A3 Asymmetric urea compound and process for producing asymmetric compound by asymmetric conjugate addition reaction with the same as catalyst |
03/02/2005 | EP1294658B1 Process for the preparation of nitroalkenes |
03/02/2005 | CN1191228C Synthesis method of nitroxymethylphenyl esters of aspirin derivatives |
03/01/2005 | US6861527 Nitration in a static micromixer |
02/23/2005 | EP1508563A1 Two step process for the production of Dinitrotoluene |
02/23/2005 | CN1190415C Method fo preparing aceotphenone compound |
02/23/2005 | CN1190410C Method for preparing 1-nitro-ethyl-nitrobenzene compound |
02/17/2005 | US20050038282 Countercurrent contacting of nitrogen monoxide gas with aqueous solution containing alkyl alcohol and nitric acid; efficiency |
02/16/2005 | CN1580036A Method for synthesizing 10-P-nitrobenz-oxy-capric acid |
02/15/2005 | US6855842 Nitrating a 2-(2-formylphenoxy) or 2-(2-formylphenylsulfido) alkyl ester or alkoic acid in the presence of sulfuric acid |
02/09/2005 | CN1576240A Process for working up secondary components in the preparation of dinitrotoluene |
02/09/2005 | CN1576236A Process for working up the wastewater obtained in the preparation of dinitrotoluene |
02/03/2005 | DE10329304A1 Verfahren zur Aufarbeitung des bei der Herstellung von Dinitrotoluol anfallenden Abwassers The method for the reprocessing of the waste in the production of dinitrotoluene wastewater |
02/03/2005 | DE10329303A1 Verfahren zur Aufarbeitung des bei der Herstellung von Dinitrotoluol anfallenden Abwassers The method for the reprocessing of the waste in the production of dinitrotoluene wastewater |
02/02/2005 | CN1572787A Method for synthesis of aspirin nitroxymethylphenyl esters and its derivatives |
02/02/2005 | CN1572784A Process for preparing aromatic amines |
02/01/2005 | US6849768 Improved solid acid catalysts |
01/26/2005 | EP1500432A1 Method for preparing ruthenium-carrying alumina and method for oxidizing alcohol |
01/19/2005 | CN1566074A 4-methyl-3-nitrophenols and preparation method thereof |
01/18/2005 | US6844464 Process for producing alkyl nitrite |
01/13/2005 | US20050010068 Use of microencapsulated transition metal reagents for reactions in supercritical fluids |
01/12/2005 | EP1496043A1 Process for treating the waste water of the dinitrotoluene production process |
01/12/2005 | EP1494991A1 Analogous compounds of strobilurines and their use as acaricides and insecticides |
01/12/2005 | CN1562958A Technique for preparing 4-methyl-2, 6 o-nitro-p-cresol |
01/11/2005 | US6841499 Homogeneous rhodium complexes bearing phosphines |
01/06/2005 | WO2005000803A2 Asymmetric urea compound and process for producing asymmetric compound by asymmetric conjugate addition reaction with the same as catalyst |
01/05/2005 | EP1493730A1 Process for working up side products of the dinitrotoluene production |
01/05/2005 | CN1561333A Aromatic and heteroaromatic acid halides for synthesizing polyamides |
01/05/2005 | CN1561326A Alpha-haloenamine reagents |
12/30/2004 | US20040267062 Process for working up secondary components in the preparation of dinitrotoluene |
12/30/2004 | US20040267061 Process for the two-step production of dinitrotoluene |
12/30/2004 | US20040262238 Process for working up the waste water obtained in the preparation of dinitrotoluene |
12/29/2004 | CN1558894A Method for the nitration of phenolic compounds |
12/29/2004 | CN1557801A Process for producing high-purity pentachloro nitrobenzene |
12/29/2004 | CN1182110C Process for preparation of diphenyl ether compounds |
12/29/2004 | CA2529963A1 Pharmaceutical compositions based on diclofenac derivate |
12/23/2004 | US20040260880 Method, system, and apparatus for an hierarchical cache line replacement |
12/16/2004 | US20040254066 Dissolving or dispersion forming emulsion; transition metal catalyst encapsulated within a permeable polymer; catalyst for foirming polyol from olefin |
12/16/2004 | CA2528453A1 Process for the preparation of aryl diazonium salts and reaction with nucleophiles |
12/09/2004 | WO2003048090A8 The use of microencapsulated transition metal reagents for reactions in supercritical fluids |
12/09/2004 | US20040249213 Reacting the aromatic hydrocarbon(s) with a mixture of nitric acid and sulfuric acid , separating reaction mixture, washing the organic phase to purify the nitroaromatic compound; hydrogenating the nitroaromatic compound in the presence of a catalyst to produce an an aromatic amine and water |
12/09/2004 | US20040249185 Process for the arylation of aza-heterocycles with activated aromatics in presence of caesium carbonate |
12/08/2004 | EP1484312A1 Process for preparing aromatic amines |
12/08/2004 | CN1552692A Preparation of 1-Cl-4,8-dinitronaphthalene and 4-cl-1,8-dinitronaphthalene |
12/02/2004 | WO2004103951A1 Method for producing an optically active nitro compound |
12/02/2004 | WO2004103550A1 Microchannel with internal fin support for catalyst or support medium |
12/02/2004 | US20040242942 produces high yield from an industrially easily available material by using a substance with which the reaction operation is simple and handling is easy, with a small number of steps under moderate reaction conditions |
12/02/2004 | CA2829163A1 Oxidation process using microchannel technology and novel catalyst useful in same |
12/02/2004 | CA2525733A1 Microchannel with internal fin support for catalyst or sorption medium |
12/01/2004 | EP1481958A1 Production of organic compounds which are low in fluoride |
11/30/2004 | US6825383 Catalytic process for regiospecific chlorination of alkanes, alkenes and arenes |
11/24/2004 | CN1176899C Nitration process for diphenyl ethers |
11/18/2004 | US20040229752 converting hydrocarbons to carbon monoxide and hydrogen in chemical reactors having oxidation catalysts within microstructure passageways; further converting the chemical intermediates to carbon dioxide and water; catalysis |
11/18/2004 | US20040228781 Microchannel with internal fin support for catalyst or sorption medium |
11/17/2004 | EP1477481A1 Process for producing quinazolin-4-one derivative |
11/17/2004 | CN1546458A Preparation of o-nitrobenzaldehyde by biomimetic catalysis oxidation of o-nitrotoluene with oxygen |
11/17/2004 | CN1546457A Preparation of o-nitrobenzaldehyde by biomimetic catalysis oxidation of o-nitrotoluene with oxygen |
11/17/2004 | CN1546456A Trihydroxymethyl hexane trinitrate and its making method |
11/11/2004 | WO2004096750A1 Process for producing 3-nitro-4-alkoxybenzoic acid |
11/11/2004 | CA2523356A1 Method of preparing a ring compound having two adjacent chiral centers |
11/03/2004 | EP1473286A1 Process for producing biaryl compound |
11/03/2004 | EP1472185A2 Nanocrystalline inorganic based zeolite and method for making same |
11/02/2004 | US6812186 Using reaction product of diisopropylamine and metal hydroxide |
10/27/2004 | CN1539746A Green nitrifying method by using Hf compound to catalyze compounds of phenols and aromatic ether |
10/27/2004 | CN1172901C Method for separating alpha, alpha'-dinitroanthragquinone isomer |
10/26/2004 | US6809218 Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide |
10/20/2004 | EP1468983A1 Process for producing 2,5-bis(trifluoromethyl)nitrobenzene |
10/20/2004 | CN1538949A Method for cntinuous production of 2-bromo-2-nitro-1, 3-propan ediol |