| Patents for C07C 251 - Compounds containing nitrogen atoms doubly- bound to a carbon skeleton (9,928) | 
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| 06/02/1999 | CN1218033A Method of producing benzyl bromide derivatives  | 
| 05/27/1999 | WO1999025335A1 Inadone and tetralone compounds for inhibiting cell proliferation  | 
| 05/27/1999 | CA2309617A1 Inadone and tetralone compounds for inhibiting cell proliferation  | 
| 05/20/1999 | WO1999024394A2 Compounds for the antemortem diagnosis of alzheimer's disease and in vivo imaging and prevention of amyloid deposition  | 
| 05/20/1999 | WO1999024393A1 Process to produce oxazolidinones  | 
| 05/20/1999 | CA2634657A1 Process to produce oxazolidinones  | 
| 05/20/1999 | CA2309626A1 Compounds for the antemortem diagnosis of alzheimer's disease and in vivo imaging and prevention of amyloid deposition  | 
| 05/20/1999 | CA2304100A1 Process to produce oxazolidinones  | 
| 05/19/1999 | EP0916651A1 Phenylalkylcarboxylic acid derivatives  | 
| 05/19/1999 | EP0916646A2 Process for the preparation of a substituted 2,5-diamino-3-hydroxyhexane  | 
| 05/19/1999 | EP0915837A1 Glyoxylic acid derivatives  | 
| 05/19/1999 | EP0915836A1 Materials with ferromagnetic properties comprising organic molecules with magnetic properties, and methods for making same  | 
| 05/19/1999 | EP0915825A2 Substituted tetrahydronaphthalene and dihydronaphthalene derivatives having retinoid and/or retinoid antagonist-like biological activity  | 
| 05/19/1999 | EP0915823A1 Bi-aromatic compounds, pharmaceutical and cosmetic compositions containing same and uses  | 
| 05/19/1999 | EP0915820A1 Preparation of 5-(3-butyryl-2,4,6-trimethyl)-2-(1-(ethoxyimino) propyl)-3-hydroxycyclohex-2-en-1-one  | 
| 05/19/1999 | EP0794941B1 Process for preparing oxime ethers by reacting oxamine with dialkylcarbonates  | 
| 05/19/1999 | EP0745596B1 Heteroaromatic oxazole compounds and use thereof  | 
| 05/18/1999 | US5904814 Distillation  | 
| 05/14/1999 | WO1999001423A8 Glucagon antagonists/inverse agonists  | 
| 05/12/1999 | EP0915089A2 Methods of preparing 4-cyano-4-(substituted indazole)cyclohexane-carboxylic acids useful as PDE4 inhibitors  | 
| 05/12/1999 | EP0914354A1 Polymerization processes for olefins  | 
| 05/11/1999 | US5902896 Reacting paraformaldehyde with acidic compounds such as diethyl malonate in an anhydrous medium using a basic catalyst; high yields; chemical intermediates for ultraviolet stabilizers or radioopaque media production  | 
| 05/11/1999 | CA2079485C Chelator compositions comprising oxime compounds  | 
| 05/06/1999 | WO1999021827A1 Formation of quinonediimines from phenylenediamines by catalytic oxidation  | 
| 05/06/1999 | WO1999021826A1 Preparation of quinonediimines from phenylenediamines using a hypochlorite as an oxidation agent  | 
| 05/06/1999 | WO1999021823A1 Optically active intermediates for the preparation of optically active substituted oximes, hydrazones and olefins useful as neurokinin antagonists  | 
| 05/06/1999 | WO1999021819A1 Preparation of quinonediimines from phenylenediamines using hydrogen peroxide and a catalyst  | 
| 05/06/1999 | WO1999013920A3 Method for treating proliferative diseases by therapy  | 
| 05/06/1999 | WO1998055448A3 Fluoroalkene carboxylic acid derivatives, method for producing said derivatives, and insecticidal agents containing the same  | 
| 05/06/1999 | EP0912504A1 Process to prepare taxol  | 
| 05/06/1999 | EP0912499A1 Pesticides  | 
| 05/06/1999 | CA2308073A1 Optically active intermediates for the preparation of optically active substituted oximes, hydrazones and olefins useful as neurokinin antagonists  | 
| 05/05/1999 | CN1216039A Process to prepare taxol  | 
| 04/29/1999 | WO1999020667A1 Water-soluble polymer, process for the production of the same, and use thereof as polymeric coagulant  | 
| 04/29/1999 | WO1999020630A1 Photochromic compounds  | 
| 04/28/1999 | EP0793645B1 Iminooxymethylene anilides, process and intermediate products for preparing the same and pesticides containing the same  | 
| 04/27/1999 | CA2149894C Titanium silicalite oxidation catalysts  | 
| 04/22/1999 | WO1999019311A1 Azines containing the 5,6-di-hydro-(1,4,2) dioxazine-3-yl group and the use thereof as fungicides  | 
| 04/21/1999 | EP0909788A1 Rubber composition and pneumatic tires  | 
| 04/21/1999 | CN1214337A Ultramicro test method for condensed aromatic ring substituted acyl chlorides and its derivative  | 
| 04/15/1999 | DE19741694A1 Treatment of proliferative disorders, i.e. atherosclerosis and tumors  | 
| 04/14/1999 | EP0908446A1 Method for producing benzyl bromide derivatives  | 
| 04/14/1999 | EP0907634A1 Pesticides  | 
| 04/14/1999 | EP0907633A1 New synthetic catechol derivatives, method for production and use thereof  | 
| 04/14/1999 | EP0794782A4 Cobalt schiff base compounds  | 
| 04/08/1999 | WO1999016748A1 Utilizing spirocyclic phenyl keto-enols as pesticides and herbicides  | 
| 04/08/1999 | WO1999003803A3 Process for preparing aminoarylacetylenes  | 
| 04/07/1999 | EP0906094A1 Substituted n- (aminoiminomethyl or aminomethyl)phenyl]propyl amides  | 
| 04/07/1999 | EP0805797B1 Process for producing n-arylhydroxylamines and n-hetarylhydroxylamines  | 
| 04/06/1999 | US5892052 Process for making retroviral protease inhibiting compounds  | 
| 04/06/1999 | US5891963 Graft polymer using coordination catalyst  | 
| 04/06/1999 | US5891918 Method for controlling resistant fungi  | 
| 04/06/1999 | US5891870 Antiinflammatory agents using benzoditerpenes and benzolactams  | 
| 04/01/1999 | DE19831803A1 N-aralkyl-hydrazino or -hydrazono derivatives of oxalic acid  | 
| 04/01/1999 | DE19742492A1 Spirocyclische Phenylketoenole Spirocyclic Phenylketoenole  | 
| 03/31/1999 | EP0905257A1 Process for preparing optically active 2-amino-Omega-oxoalkanoic acid derivatives  | 
| 03/31/1999 | EP0733035B1 Tricyclic derivatives, pharmaceutical compositions containing them  | 
| 03/31/1999 | EP0637298B1 Substituted cyclohexene-1,2-bicarboxylic acid derivatives and raw materials for producing them  | 
| 03/30/1999 | US5889059 Phenylacetic acid derivatives, preparation thereof and intermediates therefor, and compositions containing them  | 
| 03/30/1999 | US5888992 Polar substituted hydrocarbons  | 
| 03/25/1999 | WO1999013920A2 Method for treating proliferative diseases by therapy  | 
| 03/25/1999 | WO1999001427A3 Novel nitric oxide-releasing amidine- and enamine-derived diazeniumdiolates, compositions and uses thereof and method of making same  | 
| 03/25/1999 | CA2301887A1 Method for treating proliferative diseases by therapy  | 
| 03/25/1999 | CA2247952A1 Process for preparing optically active 2-amino-w-oxoalkanoic acid derivatives  | 
| 03/24/1999 | EP0745063B1 Substituted biphenyl derivatives as phosphodiesterase inhibitors  | 
| 03/24/1999 | EP0741693B1 Process for the preparation of arylacetic ester derivatives via palladium-catalyzed cross coupling reaction  | 
| 03/24/1999 | CN1211736A Use of certain amides as probes for detection of antitubulin activity and resistance monitoring  | 
| 03/23/1999 | US5886233 Chemical intermediates for vitamin d  | 
| 03/23/1999 | US5886224 Useful for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins  | 
| 03/23/1999 | US5886036 Treating hiv infections  | 
| 03/23/1999 | US5885538 Reacting spent aminal with gas containing oxidation source in the presence of oxidation catalyst  | 
| 03/23/1999 | US5885337 Comprising a reducing agent and/or a molecular inclusion compound for inhibiting discoloration when exposed to sunlight or artificial light  | 
| 03/18/1999 | WO1999012911A1 Method for producing (hetero)aromatic hydroxylamines  | 
| 03/18/1999 | WO1999012892A1 Substituted alkenoic acids and their derivatives  | 
| 03/18/1999 | WO1999012885A1 Substituted alkenoic acids and their derivatives  | 
| 03/18/1999 | WO1999012877A1 Enantioselective reduction of ketones with a silane agent/metal compound/chiral ligand system  | 
| 03/18/1999 | CA2298533A1 Reduction enantioselective de cetones avec un systeme agent silanique/compose metallique/ligand chiral  | 
| 03/17/1999 | EP0902083A1 Fabric care method  | 
| 03/17/1999 | EP0766666B1 Benzylsulfide derivative, process for its production and pesticide  | 
| 03/17/1999 | CN1210919A Fabric care method  | 
| 03/16/1999 | US5883251 Enzyme inhibitors  | 
| 03/16/1999 | US5883125 Benzyloxy substituted aromatics and their use as fungicides and insecticides  | 
| 03/11/1999 | WO1998041513A3 Substituted aminosalicyclic acid amides with fungicidal effect and intermediate products for production thereof  | 
| 03/11/1999 | DE19829141A1 Substituierte Alkensäuren und ihre Derivate Substituted alkenoic and their derivatives  | 
| 03/11/1999 | DE19829097A1 Substituierte Alkensäuren und ihre Derivate Substituted alkenoic and their derivatives  | 
| 03/11/1999 | DE19738862A1 Production of aromatic or heterocyclic hydroxylamine derivatives  | 
| 03/10/1999 | EP0677039B1 Cyclobutane derivatives as inhibitors of squalene synthetase and protein farnesyltransferase  | 
| 03/09/1999 | US5880323 Processes for making α-olefins  | 
| 03/09/1999 | US5880270 Aminooxy-containing linker compounds for formation of stably-linked conjugates and methods related thereto  | 
| 03/09/1999 | US5880241 Highly branched polyalkenes  | 
| 03/09/1999 | US5880149 Metal complexes as cysteine protease inhibitors  | 
| 03/09/1999 | US5880147 Amide derivatives having ACAT inhibitory activity, their preparation and their therapeutic and prohylactic use  | 
| 03/09/1999 | CA2246551A1 Fabric care method  | 
| 03/04/1999 | WO1999010546A1 Process for the extraction of metals from ammoniacal solution  | 
| 03/04/1999 | CA2302353A1 Process for the extraction of metals from ammoniacal solution  | 
| 03/03/1999 | EP0724570B1 Amidino derivatives useful as nitric oxide synthase inhibitors  | 
| 03/02/1999 | US5877340 Catalytic hydrogenation of the corresponding nitro aromatic compound  | 
| 03/02/1999 | US5877219 Non-steroidal ligands for the estrogen receptor  | 
| 03/02/1999 | US5877190 Substituted biphenyl compounds  | 
| 03/02/1999 | CA1340412C Fungicides  |