| 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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| 07/30/2003 | CN1116273C Nitrosation method of phenolic composition sustituted by electro-attracting group and use thereof |
| 07/16/2003 | EP1327619A1 Method for hydrolyzing phosphodiester with a catalyst comprising a cyclic phenol sulfide metal complex |
| 07/16/2003 | EP1327618A1 Method for analyzing hydrogen peroxide with a catalyst comprising a cyclic phenol sulfide metal complex |
| 07/09/2003 | EP1324973A2 Aromatic nitration reactions |
| 07/09/2003 | CN1113853C Process for producing alkyl nitrite |
| 07/02/2003 | EP1323705A1 A process for the nitration of xylene isomers using zeolite beta catalyst |
| 07/02/2003 | CN1113052C Process for producing carboxylic esters and catalyst therefor |
| 07/01/2003 | US6586645 Waste sulfuric acid produced during the process is reconcentrated and recycled into the nitration reaction |
| 07/01/2003 | US6586434 Method for the preparation of tetrahydrobenzothiepines |
| 06/25/2003 | CN1426390A Process for producing bis (4-hydroxy-3-nitrophenyl) compound |
| 06/25/2003 | CN1425644A Process for preparing 2,2-di-[4-(3-nitro phenoxy) phenyl] propane |
| 06/24/2003 | US6583327 Continuous isothermal process for preparing mononitrotoluenes |
| 06/17/2003 | CA2142257C Process for the adiabatic preparation of mononitrotoluenes |
| 06/12/2003 | WO2003048090A1 The use of microencapsulated transition metal reagents for reactions in supercritical fluids |
| 06/12/2003 | CA2468505A1 The use of microencapsulated transition metal reagents for reactions in supercritical fluids |
| 06/10/2003 | CA2072047C Pharmaceutical compositions |
| 06/05/2003 | WO2003045896A1 New process |
| 06/05/2003 | US20030105279 Aromatic and heteroaromatic acid halides for synthesizing polyamides |
| 06/04/2003 | EP1062198B1 Process for nitration of aromatic compounds using a non-acid type nitration process |
| 06/04/2003 | CN1422243A Method for producing substituted nitro benzoic acids by oxidation of corresponding nitro toluenes, nitro benzyl alcohols, esters and/or ethers |
| 05/30/2003 | WO2003018552A3 Aromatic and heteroaromatic acid halides for synthesizing polyamides |
| 05/28/2003 | EP0999999B1 Method for preparing substituted benzyl bromides |
| 05/22/2003 | US20030097022 Process for preparing diketone compounds and precursors thereto |
| 05/20/2003 | US6566571 Method of producing biaryls |
| 05/20/2003 | US6566547 Fungicides |
| 05/15/2003 | US20030089435 Nitrating diglycerol in a nitrating medium of a mixed acid phase and an inert organic phase |
| 05/14/2003 | EP1309552A1 Compounds and inhibitors of phospholipases |
| 05/14/2003 | CN1108287C Environmentally friendly process for preparing benzoic acid and its derivatives |
| 05/13/2003 | US6563008 Biphenyl compounds and their use as oestrogenic agents |
| 05/13/2003 | US6562247 Process for conducting liquid/liquid multiphase reactions in a tubular reactor having static mixing elements separated by coalescing zones |
| 05/07/2003 | EP1308435A2 Process for producing optically active amino alcohols |
| 05/01/2003 | US20030080320 Combining a tertiary amide with a pentavalent phosphorous halide in a solvent to form an alpha - haloiminium salt and converting the alpha -haloiminium salt to the alpha -haloenamine with a base |
| 04/30/2003 | CN1107050C Heat-insulating method for preparing dinitro toluene |
| 04/30/2003 | CA2409906A1 Process for producing optically active amino alcohols and intermediates therefor |
| 04/23/2003 | CN1413177A Process for preparing fluorine-containing compounds |
| 04/17/2003 | US20030073831 Continous separation of preferential compounds from sample; prepare liquid interphases, incubate with sample, recover compound |
| 04/16/2003 | EP1301458A1 Synthesis of functionalized and unfunctionalized olefins via cross and ring-closing metathesis |
| 04/16/2003 | CN1411437A Process for preparation of diphenyl ether compounds |
| 04/16/2003 | CN1410415A Green nitration method of phenol type compound |
| 04/16/2003 | CN1105701C Method for preparing substituted benzyl bromides |
| 04/15/2003 | WO2002036538A1 Process for producing esterificated condensate |
| 04/15/2003 | US6548722 Process for the preparation of substituted aromatic compound employing friedel-crafts reaction using a reusable basic anionic clay catalyst |
| 04/15/2003 | US6548684 Coupling of nucleophiles, vinyl compounds or CO with water, alcohols or amines to organic compounds |
| 04/15/2003 | CA2426000A1 Method for preparing ester condensate |
| 04/08/2003 | CA2110583C Method for the preparation of 3,4-dihydroxy-5-nitrobenzaldehyde |
| 04/02/2003 | CN1406924A Tubular reactor for heat insulated nitration |
| 03/26/2003 | EP1294658A1 Process for the preparation of nitroalkenes |
| 03/26/2003 | CN1406151A Tubular reactor, process for conducting liquid/liquid multiphase reactions in a tubular reactor, and a process for ring-nitrating aromatic compounds |
| 03/26/2003 | CN1405143A Method for preparing 3-nitro phthalic acid |
| 03/26/2003 | CN1405142A Method for synthesizing stereoselectively and efficiently diphenyl butane lignan compound |
| 03/20/2003 | US20030055300 Tubular reactor for adiabatic nitration |
| 03/20/2003 | US20030055288 Process for producting bis(4-hydroxy-3-nitrophenyl) compound |
| 03/19/2003 | EP0988276B1 Process for the preparation of thioether-substituted aromatic ketones |
| 03/13/2003 | WO2003020684A1 (alpha)-haloenamine reagents |
| 03/13/2003 | WO2003020683A1 Nitration of aromatic compounds |
| 03/13/2003 | WO2002030865A3 Aromatic nitration reactions |
| 03/13/2003 | CA2458859A1 (alpha)-haloenamine reagents |
| 03/12/2003 | EP1291078A2 Tubular reactor for adiabatic nitration |
| 03/06/2003 | WO2003018552A2 Aromatic and heteroaromatic acid halides for synthesizing polyamides |
| 03/06/2003 | WO2003018514A1 Method of preparing nitroform |
| 03/06/2003 | US20030045754 Process for the preparation of diphenyl ether compounds |
| 03/06/2003 | CA2458616A1 Aromatic and heteroaromatic acid halides for synthesizing polyamides |
| 03/05/2003 | EP1286984A2 Method for the preparation of tetrahydrobenzothiepines |
| 03/05/2003 | CA2356564A1 Nitration of aromatic compounds |
| 03/04/2003 | US6528690 Adiabatic process for producing dinitrotoluene |
| 03/04/2003 | US6528642 Alkenylated cyclodextrin compounds and polymers made tthereof ; made by reacting an alkenyl halide with cyclodextrin; use as support for separation of enantiomers, other isomers, and hydrophobic organic molecules, or as catalyst support |
| 03/04/2003 | CA1341424C Diketohexanoic acids and 2- and 3-diloweralkyl derivatives thereof |
| 02/26/2003 | CN1398846A Chemical synthesis process of 4-chloro-2-fluoro nitrobenzene |
| 02/25/2003 | US6525226 Process for preparation of substituted aromatic compound employing friedel-crafts reaction using a reusable basic anionic clay catalyst |
| 02/25/2003 | US6525225 Reacting a nitro-substituted acetophenone with (1) a mercaptan to replace the nitro group with an alkyl- or phenyl-thio group; or (2) nitroethane to replace the acetyl group with a 1-nitroethyl group |
| 02/25/2003 | US6525204 Oximination reaction of nitro-o-methylphenyl compound with organic nitrite; cyclization with alkene in basic catalyst presence; reduction, bromination, oxidation, carboxylation |
| 02/20/2003 | WO2003014059A1 Method for producing alkyl nitrites and alkyl dinitrites |
| 02/20/2003 | US20030036668 Treating a reaction mixture comprising the organic compound and hydrofluoric acid, containing at least one of water and formic acid, with fluorine gas for direct fluorination |
| 02/20/2003 | US20030036667 Heating aromatic compound substituted with halogen that is exchangeable for fluorine with fluoride and compound such as Diethylaminobis(tetramethylguanidino)sulfonium bromide to produce fluorinated aromatics |
| 02/19/2003 | CN1101804C Pharmaceutical compound for killing cancer cells and pathogenic bacteria and prepn. method therefor |
| 02/13/2003 | WO2003011811A1 Method for the continuous production of 2-bromo-2-nitro-1, 3-propanediol |
| 02/13/2003 | WO2003011810A1 Method for the nitration of phenolic compounds |
| 02/13/2003 | CA2454935A1 Method for the nitration of phenolic compounds |
| 02/06/2003 | US20030028056 Adiabatic process for producing dinitrotoluene |
| 02/05/2003 | EP1280753A1 Process for preparation of r-1-(aryloxy)propan-2-ol |
| 02/04/2003 | US6515190 Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide |
| 02/04/2003 | US6515189 reacting agent involves the passage of the reactant along a flow path having a width of from 10 to 1000 mu m in such a way that essentially laminar flow of the reactant takes place. and nitration reaction which involves reaction of a first |
| 01/28/2003 | US6512137 Synthesis method of nitroxymethylphenyl esters of aspirin derivatives |
| 01/23/2003 | WO2003006151A1 Microencapsulated catalyst, methods of preparation and methods of use thereof |
| 01/23/2003 | US20030018219 Process for preparation of substituted aromatic compound employing friedel-crafts reaction using a reusable basic anionic clay catalyst |
| 01/23/2003 | US20030018200 Preparation of isoxazolin-3-ylacylbenzenes |
| 01/23/2003 | CA2453113A1 Microencapsulated catalyst, methods of preparation and methods of use thereof |
| 01/22/2003 | EP1277727A1 Process for producing bis(4-hydroxy-3-nitrophenyl) compound |
| 01/16/2003 | WO2002041984A3 Catalytic compositions and methods for asymmetric aldol reactions |
| 01/15/2003 | EP1275630A1 Process for producing substituted aromatic compound |
| 01/15/2003 | EP1274673A1 Method for producing 4-hydroxy-3-nitrobiphenyl |
| 01/15/2003 | EP1274672A1 Method for producing substituted nitro benzoic acids by oxidation of corresponding nitro toluenes, nitro benzyl alcohols, esters and/or ethers |
| 01/15/2003 | CN1390827A Process for preparing allylic primary nitro compound |
| 01/15/2003 | CN1098834C Process for preparing substituted benzoic acid |
| 01/14/2003 | US6506949 Process for ring nitrating aromatic compounds in a tubular reactor having static mixing elements separated by coalescing zones |
| 01/14/2003 | US6506948 Contacting aqueous acid stream with toluene to extract nitrotoluene, dinitrotoluene and organic by-products, forming organic and aqueous phases, separating, extracting alkaline stream with organic phase formed, separating organic layer |
| 01/09/2003 | WO2001068637A3 Method for the preparation of tetrahydrobenzothiepines |
| 01/09/2003 | US20030009064 Tubular reactor having static mixing elements separated by coalescing zones |
| 01/08/2003 | EP1272445A1 Fluorination method |
| 01/08/2003 | EP1272268A2 Tubular reactor, process for conducting liquid/liquid multiphase reactions in a tubular reactor, and a process for ring-nitrating aromatic compounds |