| 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) |
|---|
| 01/08/2003 | CN1098248C Method for preparing 1,3-di-(-3-nitrophenoxy) benzene |
| 01/02/2003 | EP1268394A1 Method for preparing alkyl nitrites |
| 12/19/2002 | WO2002100824A1 A novel alkaloid derivative and a pharmaceutical composition containing the same |
| 12/19/2002 | US20020193642 Nitrating organic compounds while forming low levels of improperly nitrated by-products and nitrophenolics |
| 12/19/2002 | US20020193447 Chemical intermediates for bronchodilators |
| 12/19/2002 | DE10129057A1 Verbessertes Verfahren zur Herstellung kernfluorierter Aromaten Improved process for preparing aromatic kernfluorierter |
| 12/18/2002 | EP1266904A1 Improved process for preparing fluorinated aromatic compounds |
| 12/04/2002 | EP0958052B1 Amidophosphonium-salt-containing catalyst for halogen-fluorine exchange reactions |
| 11/27/2002 | EP0971875B1 Process for the purification of substituted p-nitrodiphenylethers |
| 11/27/2002 | EP0934236B1 Process for the preparation of substituted aromatic compounds |
| 11/27/2002 | CN1094924C Process for purifying diphenyl ether compound |
| 11/21/2002 | WO2002092547A1 Method for producing ketones from carboxylic acid anhydrides |
| 11/21/2002 | WO2002092226A1 Catalysts for nucleophilic substitution, synthesis thereof, composition containing same and use thereof |
| 11/21/2002 | DE10123909A1 Production of ketone compounds useful in pharmacological applications, comprising reacting boronic acid derivatives with carboxylic acid anhydrides in presence of transition metal catalysts, based on palladium, nickel, platinum or copper |
| 11/21/2002 | CA2447232A1 Method for producing ketones from carboxylic acid anhydrides |
| 11/21/2002 | CA2442782A1 Catalysts for nucleophilic substitution, synthesis thereof, composition containing same and use thereof |
| 11/20/2002 | CN1380880A Process for producing substituted aromatic compound |
| 11/20/2002 | CN1380283A Isothermal continuous method for preparing methyl mononitrobenzene in the presence of phosphoric acid |
| 11/14/2002 | DE10117207C1 Kontinuierliches isothermes Verfahren zur Herstellung von Mononitrotoluolen in Gegenwart von Phosphorsäure Continuous isothermal process for preparing mononitrotoluenes in the presence of phosphoric acid |
| 11/13/2002 | CN1379754A Intermediates for making benzofuran or benzothiophene derivative nitrated in position 5 and uses thereof |
| 11/06/2002 | EP1254092A1 Resolution of dl-racemic mixtures |
| 11/05/2002 | US6476266 Diamino compound and production process for the same |
| 10/31/2002 | US20020161269 Continuous adiabatic procss for preparing nitrochlorobenzene |
| 10/31/2002 | US20020161227 By reacting a phosphazenium compound with Q as counteranion with a halogenated aromatic compound to substitute at least one halogen atom with Q |
| 10/30/2002 | CN1376666A Process for separating and purifying high-purity 1,8-dinitroanthraquinone |
| 10/23/2002 | EP1064243B1 Coupling reactions with palladium catalysts |
| 10/22/2002 | US6469224 Reacting a phosphazenium compound with a halogenated aromatic compounds, especially chlorinated aromatic compounds |
| 10/22/2002 | US6469181 Process for preparing 2-oxindoles and N-hydroxy-2-oxindoles |
| 10/22/2002 | US6468487 Nitration or carboxylation catalysts |
| 10/10/2002 | US20020147372 Continuous isothermal process for preparing mononitrotoluenes in the presence of phosphoric acid |
| 10/10/2002 | US20020147367 Catalytic compositions and methods for asymmetric aldol reactions |
| 10/09/2002 | EP1247798A1 Continuous isothermal process for the preparation of mononitrotoluene in the presence of phosphoric acid |
| 10/09/2002 | EP1246796A1 Process for the preparation of diphenyl ether compounds |
| 10/09/2002 | CN1373122A Extracting process for preparing 2,4-dinitrofluorobenzene |
| 10/09/2002 | CN1373121A Pollution-free nitrifying process using composite metal complex to catalyze aromatic compound |
| 10/09/2002 | CN1092178C Method for preparation of benzophenone derivs. |
| 10/06/2002 | CA2380159A1 Continuous isothermal process for preparing mononitrotoluenes in the presence of phosphoric acid |
| 10/02/2002 | EP1244613A2 Methods for producing cyanobenzoic acid derivatives |
| 10/02/2002 | CN1371902A Continuous thermo-insulation method for production of nitro-chlorobenzene |
| 09/26/2002 | US20020137978 Using as catalyst ruthenium or osmium carbene complexes containing an imidazolidine ligand |
| 09/25/2002 | EP1000010B1 Nitration process for diphenyl ethers |
| 09/18/2002 | CN1369477A 1,3-dimethyl-5-tert-butyl nitrobenzene and its preparing process and method application |
| 09/11/2002 | EP1238704A2 Catalyst comprising a cyclic imide compound and process for producing organic compounds using the catalyst |
| 09/10/2002 | US6448449 Process for preparation of (R)-1- (aryloxy)propan-2-ol |
| 09/10/2002 | US6448430 Process for the preparation of aryl carboxylate esters |
| 09/10/2002 | US6447764 Method for isolating anionic organic substances from aqueous systems using cationic polymer nanoparticles |
| 09/04/2002 | CN1367773A Process for preparation of naproxene nitroxyalkylesters |
| 08/28/2002 | EP1234814A1 Continuous adiabatic process for the preparation of nitrochlorobenzene |
| 08/23/2002 | CA2372767A1 Continuous adiabatic process for preparing nitrochlorobenzene |
| 08/22/2002 | DE10143800C1 Verfahren zur Minimierung des Abwassers bei der Herstellung von DNT A method for minimizing the waste water in the production of DNT |
| 08/20/2002 | US6437168 Fluorination; efficient extraction |
| 07/25/2002 | WO2002057199A1 Process for a homogeneously catalyzed c-c coupling reaction |
| 07/24/2002 | CN1360566A Process for obtaining (nitroxymethyl) phenyl esters of salicylic acid derivs. |
| 07/18/2002 | WO2002055486A2 Triazene compounds and use thereof |
| 07/18/2002 | DE10102404A1 Triazenverbindungen sowie deren Verwendung Triazene compounds and their use |
| 07/17/2002 | EP1222159A2 Intermediates for making a benzofuran or benzothiophene derivative nitrated in position 5 and uses thereof |
| 07/17/2002 | EP1222026A1 Supported ferrocene-based catalysts for selective aldehyde hydrogenation |
| 07/16/2002 | US6420616 Nitrating naphthalene with nitric acid |
| 07/11/2002 | US20020091290 Continuous isothermal process for preparing mononitrotoluenes |
| 07/10/2002 | CN1357532A Prepn. of 2-acetonyloxy-3,4-difluoro nitrobenzene |
| 07/10/2002 | CN1357530A Process of preparing 2,3,4-trifluoro nitrobenzene using o-chloro nitrobenzene |
| 07/10/2002 | CN1357529A Prepn process of 2,3,4-trifluoro nitrobenzene |
| 07/09/2002 | US6417357 Coupling reactions with palladium catalysts |
| 07/09/2002 | CA2217455C New substituted derivatives, of biphenyl or phenylpiridine, their preparation process and the pharmaceutical compositions that contain them |
| 06/19/2002 | CN1354167A Method for preparing ortho-(p-) nitrobenzenealkyl ether |
| 06/18/2002 | CA2097071C A process for preparing dinitrotoluene |
| 06/12/2002 | EP1005477B1 Method for isolating anionic organic substances from aqueous systems using cationic polymer nanoparticles |
| 06/12/2002 | CN1353105A continuous isothermal method for preparing mononitrotoluene |
| 06/06/2002 | US20020068736 Biphenyl compounds and their use as oestrogenic agents |
| 06/04/2002 | US6399835 Process for electrophilic aromatic substitution |
| 06/04/2002 | CA2068880C Aqueous synthesis of 2-halo-4,6-dinitroresorcinol and 4,6-diaminoresorcinol |
| 05/30/2002 | WO2002041984A2 Catalytic compositions and methods for asymmetric aldol reactions |
| 05/29/2002 | CN1085656C Recovery of nitric acid from nitration processes |
| 05/23/2002 | US20020062045 Process for preparing diketone compounds and precursors thereto |
| 05/21/2002 | US6392111 Reacting aromatic compound with olefin |
| 05/15/2002 | EP1205468A1 Continuous isothermal process for the preparation of mononitrotoluenes |
| 05/15/2002 | CN1348951A Water phase synthesis process of difluoromethoxy nitrobenzene |
| 05/15/2002 | CN1084725C Prepn. of alpha-chloroalkyl aryl ketones |
| 05/09/2002 | US20020055662 Fluorinating a substrate selected from unsubstituted aromatic compounds and aromatic compounds having electron withdrawing substituent(s) comprises contacting substrate with a tri(halo or trifluoromethyl) substituted N-fluorotriazinium salt |
| 05/08/2002 | DE10108979C1 Continuous production of nitrochlorobenzene, used as intermediates for dye, pharmaceutical and pesticide production, uses specified adiabatic conditions and acid composition in nitration of chlorobenzene |
| 05/08/2002 | CA2361209A1 Continuous isothermal process for preparing mononitrotoluenes |
| 05/02/2002 | EP1201627A1 Ring fluorination of non-activated aromatic compounds |
| 05/02/2002 | EP1200386A1 Process for the preparation of naproxene nitroxyalkylesters |
| 05/02/2002 | EP1200375A2 Nitration in a static micromixer |
| 05/01/2002 | CN1346823A Process for nitrating aromatic hydrocarbons |
| 04/30/2002 | US6380440 Reacting nitrobenzene with bromine in oleum forming 3-bromonitrobenzene; phase transfer catalyst |
| 04/23/2002 | US6376726 Process for the production of nitroaromatic compounds from aromatic hydrocarbons using modified clay catalysts |
| 04/18/2002 | WO2002030865A2 Aromatic nitration reactions |
| 04/18/2002 | US20020045775 Heterogeneous palladium catalyst and a base in an aprotic solvent; for use with either electron-withdrawing or electron-donating substituents |
| 04/18/2002 | CA2425301A1 Aromatic nitration reactions |
| 04/17/2002 | CN1082942C Method for preparing 3-carboxy-4-hydroxybenzaldehydes and derivatives thereof |
| 04/17/2002 | CN1082940C Isomerization method of olefines |
| 04/11/2002 | DE10047163A1 Verfahren zur Nitrierung aromatischer Kohlenwasserstoffe Process for the nitration of aromatic hydrocarbons |
| 04/10/2002 | EP1194397A1 A process for obtaining (nitroxymethyl)phenyl esters of salicylic acid derivatives |
| 04/10/2002 | EP0931052B1 Process for the production of dinitrate esters |
| 04/10/2002 | EP0927714B1 Process for the separation of nitrotoluic acid isomers |
| 04/10/2002 | CN1344244A Synthesis method of nitroxymethylphenyl esters of aspirin derivatives |
| 04/10/2002 | CN1082505C Process for preparing diketone compounds |
| 04/04/2002 | US20020040158 Process for preparing substituted benzoyl chlorides |
| 04/03/2002 | EP0975578B1 Production of aromatic amines by means of novel hydrogenation catalysts |