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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04/23/1998 | WO1998016486A1 Process for the preparation of substituted aromatic compounds |
04/23/1998 | WO1998016222A1 Preparation of 3-fluoro oxindole derivatives |
04/23/1998 | CA2268304A1 Process for the preparation of substituted aromatic compounds |
04/21/1998 | US5741937 Reaction of alkyl-substituted cycloalkanones and aromatic carbonyl compounds in presence of basic catalyst and water |
04/21/1998 | US5741936 Nitrating 3-chloro-4*-methoxybenzophenone with nitric acid in 65 to 85% strength sulfuric acid as reaction medium |
04/08/1998 | EP0834508A1 Substituted biphenyl or phenylpyridine derivatives, process for their preparation and pharmaceutical compositions containing them |
04/08/1998 | EP0833811A1 A process for the preparation of esters |
03/31/1998 | US5734073 Halogenation reactions |
03/31/1998 | US5733479 Positive photoactive compounds based on 2,6-dinitro benzyl groups |
03/25/1998 | CN1177347A Process for preparing 2 -oxindoles and N -hydroxy -2 -oxindoles |
03/24/1998 | US5731477 Without using chlorofluorocarbon gases |
03/17/1998 | US5728901 Perfluoroalkyl sulfonates, fluorosulfonates, hexafluorophosphates, nitrates |
03/12/1998 | WO1998009937A1 Process for the production of dinitrate esters |
03/12/1998 | CA2264935A1 Process for the production of dinitrate esters |
03/04/1998 | CN1174829A Selective nitration of phenol derivatives |
02/26/1998 | DE19723214A1 Preparation of 4-nitro:phenol derivative pharmaceutical intermediates |
02/18/1998 | EP0823891A1 Acetylsalicylic acid nitrates |
02/17/1998 | US5719317 Palladium-on-charcoal catalyzed dehalogenation of a 2-<4-halo-3-nitro-)carboxyalkyl compound with triethylammonium formate; by-product inhibition |
02/12/1998 | WO1998005610A2 Process for preparing fluorine-containing compounds |
02/03/1998 | US5714647 Process for the adiabatic preparation of mononitrohalogenobenzenes |
01/28/1998 | EP0820981A1 Process for the preparation of 2-trifluoromethoxy-aniline |
01/28/1998 | EP0792254A4 Synthesis of bis(2,2-dinitropropyl)acetal (bdnpa) |
01/28/1998 | EP0790972A4 Synthesis of bis(2,2-dinitropropyl)formal (bdnpf) |
01/27/1998 | US5712226 Optically active D-pyridyloxy phenoxy propionate herbicides |
01/22/1998 | WO1998002408A1 Nitrosation method of a phenolic composition substituted by an electro-attracting group and use thereof |
01/22/1998 | CA2259931A1 Nitrosation method of a phenolic composition substituted by an electro-attracting group and use thereof |
01/20/1998 | US5710343 Method for the preparation of 3,4-dihydroxy-5-nitrobenzaldehyde |
01/20/1998 | US5710342 Process for preparing carbonyl compounds by catalysed oxidation of olefins and catalysts present microemulsions |
01/20/1998 | US5710341 Preparation of α-chloroalkyl aryl ketones |
01/20/1998 | US5710334 Aromatic dinitro and diamino intermediates |
01/14/1998 | CN1170373A Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide for olefin isomerization |
01/14/1998 | CN1169984A Method for extracting nitrochlorbenzene from wastes of producing p-/o-nitrochlorbenzene |
12/30/1997 | CA1339611C Cyclopentane derivatives |
12/23/1997 | US5700947 Having reduced side effects |
12/23/1997 | US5700762 Substituted benzoyl (hetero) cyclic diones |
12/17/1997 | EP0812538A1 Preservative compositions |
12/17/1997 | EP0812308A1 Method for synthesis of aryl difluoromethyl ethers and the like |
12/16/1997 | US5698755 Process for preparing aromatic olefins using palladacycle catalysis |
12/11/1997 | WO1997046511A1 Coumpounds active at a novel site on receptor-operated calcium channels useful for treatment of neurological disorders and diseases |
12/09/1997 | US5696305 Continuous reacting an aromatic compound with a nitrating agent |
12/04/1997 | WO1997045397A1 Alkyloxyamino substituted fluorenones and their use as protein kinase c inhibitors |
12/03/1997 | EP0809631A1 Process for preparing 2-oxindoles and n-hydroxy-2-oxindoles |
11/18/1997 | US5689018 Nitration of toluene in the presence of sulfuric acid |
11/12/1997 | EP0805800A1 Method for preparing (+)compactin and (+)mevinolin analog compounds having a beta-hydroxy-delta-lactone grouping |
11/12/1997 | CN1164852A New method for preparation of 3,4-dihydroxy-5-nitrobenzaldehyde |
10/29/1997 | EP0802897A1 Novel compounds |
10/28/1997 | US5681979 Process for the producing of alkylcyclopentanone derivatives |
10/23/1997 | WO1997038967A1 Reducing tetranitromethane in compositions containing nitroaromatic compounds |
10/23/1997 | WO1997038770A1 Removal of dinitrotoluene from process water |
10/21/1997 | US5679873 Reacting toluene with sulfuric acid, nitric acid, water under adiabatic conditions, separating reaction mixture, removing water from acid phase, adding nitric acid, recycling, nitrating nitrotoluene formed, recovering dinitrotoluene |
10/15/1997 | EP0649401B1 Process for the production and recovery of halonitroalkanes in high yield |
10/08/1997 | EP0799091A1 Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide for olefin isomerization |
10/02/1997 | WO1997028122A3 Process for preparing diketone compounds |
09/23/1997 | CA1339470C Method for the production of hns ii |
09/18/1997 | WO1997033846A1 Process for preparing nitrobiphenylene |
09/17/1997 | CN1159800A 2-aroylcyclohexandiones, process for preparing the same and their use as herbicides or plant growth regulators |
09/12/1997 | WO1997032832A1 Process for producing fluorinated aromatics and fluorinated nitrogen-containing hetero-aromatics |
09/12/1997 | CA2248294A1 Process for producing fluorinated aromatics and fluorinated nitrogen-containing hetero-aromatics |
09/11/1997 | DE19608791A1 Verfahren zur Herstellung von fluorierten Aromaten und fluorierten stickstoffhaltigen Heteroaromaten A process for the preparation of fluorinated aromatics and fluorinated nitrogen-containing heteroaromatics |
09/10/1997 | EP0793639A1 Method for preparing nitrobenzene derivatives |
09/10/1997 | CN1159187A Heterocyclic-and carbocyclic-substituted benzoic acids and synthesis thereof |
09/03/1997 | EP0792254A1 Synthesis of bis(2,2-dinitropropyl)acetal (bdnpa) |
09/03/1997 | EP0610384B1 Process for the preparation of fluorinated benzoic acids |
09/02/1997 | US5663462 Continuous, one step process |
09/02/1997 | US5663447 Process for the preparation of 2,2 dialkyl-arylidene-cycloalkanones |
08/27/1997 | EP0790972A1 Synthesis of bis(2,2-dinitropropyl)formal (bdnpf) |
08/26/1997 | US5661104 Preservative compositions for use in aqueous systems |
08/13/1997 | CN1156713A Process for oxidation of primary or secondary alcohols |
08/07/1997 | WO1997028122A2 Process for preparing diketone compounds |
08/07/1997 | WO1997027846A1 Biphenyl compounds and use thereof as oestrogenic agents |
08/07/1997 | CA2242532A1 Process for preparing diketone compounds |
07/16/1997 | EP0783487A1 2-aroylcyclohexandiones, process for preparing the same and their use as herbicides or plant growth regulators |
07/16/1997 | EP0783473A1 Process for the purification of 2,6-diisopropylphenol |
07/15/1997 | US5649322 Process for the preparation of C1 -C4 -alkyl nitrites |
07/15/1997 | US5648565 Process for the adiabatic preparation of mononitrotoluenes |
07/15/1997 | US5648556 Synthesis of bis(2,2-dinitropropyl)acetal (BDNPA) |
07/09/1997 | EP0782559A1 New method for the preparation of 3,4-dihydroxy-5-nitrobenzaldehyde |
07/08/1997 | CA2028313C Aromatic diamine compounds, and methods for their preparation |
07/02/1997 | EP0781757A1 Process for the preparation of fluorinated benzoic acids |
06/26/1997 | WO1997022590A1 Nitration of aromatic compounds |
06/26/1997 | CA2240644A1 Nitration of aromatic compounds |
06/18/1997 | EP0779270A1 Preparation process for aromatic mononitro compounds |
06/11/1997 | EP0778258A2 Process for the preparation of ethyl-n-(2,3 dichloro-6-nitrobenzyl) glycine |
06/11/1997 | EP0778081A1 Process for preparing fluorine containing chemical compounds |
06/11/1997 | CN1151392A High selection and high effective synthetic method and use of functional (Z,E) conjugated bi-alkene compound |
06/05/1997 | WO1997019917A1 METHOD FOR PREPARING (+)COMPACTIN AND (+)MEVINOLIN ANALOG COMPOUNDS HAVING A β-HYDROXY-δ-LACTONE GROUPING |
06/05/1997 | CA2171073A1 Process for the preparation of ethyl-n-(2,3 dichloro-6- nitrobenzyl) glycine |
06/02/1997 | CA2191654A1 Process for the preparation of fluorine-containing chemical compounds |
05/28/1997 | EP0775684A1 Process for the oxidation of primary or secondary alcohols |
05/28/1997 | CN1150795A Method for preparing 3-carboxy-4-hydroxybenzaldehydes and derivatives thereof |
05/28/1997 | CN1035002C Process for preparation of cyclopentene cyclopentane and cyclohexane derivatives |
05/21/1997 | EP0773919A1 Method for preparing 3-carboxy-4-hydroxybenzaldehydes and derivatives thereof |
05/14/1997 | EP0773210A1 Process for the preparation of fluorinated aromatic compounds |
05/14/1997 | EP0772598A1 Heterocyclic- and carbocyclic-substituted benzoic acids and synthesis thereof |
05/12/1997 | CA2189945A1 Process for preparing fluorinated aromatics |
05/09/1997 | CA2236045A1 Combinatorial dihydrobenzopyran library |
05/07/1997 | EP0771783A1 Process for the nitration of aromatics |
05/06/1997 | US5627191 Therapeutic agents |
05/02/1997 | EP0770053A1 Positive photoactive compounds based on 2,6-dinitrobenzyl groups |
04/23/1997 | EP0769488A2 Process for the preparation of 3-chloro-3'-nitro-4' methoxybenzophenone |