Patents
Patents for C07C 209 - Preparation of compounds containing amino groups bound to a carbon skeleton (17,459)
11/1999
11/10/1999CN1234401A Synthesis of triethylene-diamide and diethylenediamine by using zeolite catalyst modified by silicon contained compound
11/10/1999CN1234381A Improved preparing method for chloroine and alkynylamine
11/09/1999US5981802 Treating allylic compound with a sulfur diimide, hydrolyzing the intermediate to form an allylic carbamate, saponifying and decarboxylating the allylic carbamate
11/09/1999US5981801 Hydrogenation of aromatic diamines
11/09/1999US5981800 Preparation process for 4-substituted dinitroanilines
11/09/1999US5981795 Method for the N-denitration of N-nitro-dinitroaniline in a homogeneous phase
11/09/1999US5981424 Catalysts for hydroxylation and ammination of aromatics using molecular oxygen as the terminal oxidant without coreductant
11/09/1999CA2193522C Minotelechelic oligomers of partially hydrogenated 1,3 diene and method of preparing these compounds
11/04/1999DE19844901C1 Method for metering liquid polynitro-aromatic compounds into hydrogenation reactors
11/03/1999CN1234080A Prepn. of onium hydroxides in electrochemical cell
11/03/1999CN1233612A Method for purifying tertiary amine
11/02/1999US5977412 Process for preparing 3,5-difluoroaniline
11/02/1999US5977411 Catalytic hydrogeneration of nitrobenzene to 4-aminodiphenylamine in the presence of a hydroxyl compound and a solvent
11/02/1999US5977010 Containing nickel, manganese, zinc and cobalt oxide; calcium silicate and clay
11/02/1999CA2117580C Decolorization of polyethylene polyamines using cobalt/copper/chromium
10/1999
10/28/1999WO1999054337A1 Ancillary ligands and metal complexes thereof
10/28/1999CA2290362A1 Ancillary ligands and metal complexes thereof
10/27/1999EP0952152A2 Triethylenediamine and piperazine synthesis using zeolithe catalysts modified with a silicon-containing compound
10/26/1999US5973208 Reacting a dialdehyde with ammonia and hydrogen in the presence of a hydrogenation catalyst to produce the corresponding diamine, wherein a solvent comprising an alcohol is used in the reaction and the concentration of water in the
10/26/1999US5973207 Hydrogenation of meta-toluenediamine
10/26/1999US5973206 Mixing an aromatic nitrocompound, hydrogen gas and a solvent together under elevated pressure and temperature to form a homogenous mixture in a supercritical or near-critical state and bringing the resulting homogenous mixture into contact
10/21/1999WO1999052855A1 A process for preparing chiral (s)-2,3-disubstituted-1-propylamine derivatives
10/21/1999WO1999032428A8 Synthesis of diamines
10/21/1999DE19816479A1 Intermolecular preparation of enamines by catalytic reaction of alkynes with ammonia or primary or secondary amines
10/21/1999CA2328124A1 A process for preparing chiral (s)-2,3-disubstituted-1-propylamine derivatives
10/20/1999EP0950654A1 Process for the purification of aromatic polyamides
10/20/1999CN1232395A Pharmaceutical compound comprising polyamines substd. with electron-affinic groups
10/19/1999US5969204 Diazotizing substituted monoamino benzenes, then reacting products with substituted p-divinylbiphenyls
10/19/1999US5969187 Isomerization of the cis isomer using catalyst, separation by crystallization
10/19/1999US5969186 Process for racemizing of optically active amines
10/19/1999CA2175327C Regeneration of catalyst for the simultaneous selective hydrogenation of diolefins and nitriles
10/14/1999WO1999051563A1 Reducing the coloration of aromatic diamines
10/14/1999WO1999051529A1 Process for recovering onium hydroxides or onium salts from solutions containing onium compounds using electrochemical ion exchange
10/14/1999WO1999051523A1 Process for removal of quaternary ammonium salt
10/13/1999EP0949242A1 Aromatic amine derivatives having nos inhibitory effect
10/13/1999EP0949241A2 Stereospecific isomerisation of allylic amines using chiral phosphorus ligands
10/13/1999EP0741738B1 Hydrogenation catalyst, process for the preparation thereof and hydrogenation process
10/13/1999EP0487578B1 Method of producing tertiary amine-sulphur trioxide complexes
10/13/1999CN1045588C Process for preparing primary amines
10/12/1999US5965775 Process for the preparation of 3,5-difluoroaniline
10/12/1999US5965735 Process for preparing flunixin and intermediates thereof
10/12/1999US5965032 Purification of α-, β- or γ-substituted carboxylic acids
10/07/1999WO1999050226A1 Process for producing n-cyclopropylanilines and intermediates used therefor
10/07/1999WO1999050224A1 Recovery of amines from emulsions
10/07/1999CA2321625A1 Recovery of amines from emulsions
10/06/1999EP0947499A2 Process for the preparation of racemic sertraline
10/06/1999EP0946494A1 Preparation of nylon salts from diamine carbamates and dicarboxylic acids
10/06/1999EP0946493A1 Process for preparing a naphtalenamine derivative
10/06/1999EP0946481A1 Functionalized oligomer mixtures derived from cyclopentene
10/06/1999EP0946478A1 Process for the solid phase synthesis of aldehydes, ketones, oximes, amines and hydroxamic acid compounds
10/06/1999EP0946293A1 Ru-Pd HALOGEN-FREE CATALYZERS AND METHOD FOR PRODUCING CYCLOALIPHATIC AMINES
10/05/1999USRE36330 Noble metal supported on a base metal catalyst
10/05/1999US5962741 Process for the production of aromatic halogen-amino compounds
10/05/1999US5962483 Antiasthma agents; antiinflammatory agents
10/05/1999US5962365 From nitroaromatic compounds; palladium, lead on graphite-coke support
10/05/1999US5961788 Sequential distillation process for removing tetrahydroazepine from aminocapronitrile and/or hexamethylenediamine
09/1999
09/30/1999WO1999048872A2 Method for separating an azepine derivative from a mixture containing an amine and an azepine derivative
09/30/1999WO1999048869A1 Aryl phenyl substituted cyclic ketoenols
09/30/1999WO1999048847A1 Aromatic bromination process
09/30/1999DE19813354A1 Arylphenylsubstituierte cyclische Ketoenole Arylphenylsubstituierte cyclic ketoenols
09/30/1999CA2323617A1 Method for separating an azepine derivative from a mixture containing an amine and an azepine derivative
09/29/1999EP0944747A1 Preparation of onium hydroxides in an electrochemical cell
09/29/1999EP0944578A2 Process for producing aromatic amines by gaseous phase hydrogenation
09/29/1999CN1230170A Process for separation of 2-aminomethylcylopentylamine from mixture containing hexamethyldiamine and 2-aminomethylcyclopentylamine
09/29/1999CN1229792A Novel aromatic diamine chain stretching agent, its prepn. method and applications
09/28/1999US5959150 Process for preparing methylamines
09/28/1999US5959149 Denitrosation using acid, and denitration in a neutral or basic environment in the presence of a phase-transfer catalyst
09/28/1999US5958825 Comprising coblat, nickel or mixture thereof, ruthenium, copper and promoters on metal oxide carriers; high catalyst selectivity
09/28/1999CA1340773C Anti-neoplastic, anti-viral or anti-retoviral sperime derivative
09/23/1999WO1999047487A1 Process for preparing 4-substituted cis-cyclohexylamines
09/23/1999WO1999047486A1 Process for the cis-selective catalytic hydrogenation of cyclohexylidenamines
09/23/1999DE19812427A1 Separation of azepine derivative for purification of amine, especially polyamide precursor
09/23/1999DE19812054A1 Production of cyclohexylamine derivatives by reductive amination of cyclohexanone derivatives
09/23/1999CA2323629A1 Process for the cis-selective catalytic hydrogenation of cyclohexylidenamines
09/22/1999EP0943602A1 Improved process for chloroalkynes and alkynyl amines
09/22/1999EP0942902A2 Novel immunotherapeutic imides/amides
09/21/1999US5955634 Group viii metal catalyst with water soluble phosphine coordinating agent
09/16/1999WO1999046271A1 Substituted aminomethylphosphines as ligands for catalysts
09/16/1999DE19810929A1 Verfahren zur Herstellung von 4-Aminodiphenylamin A process for preparing 4-aminodiphenylamine
09/15/1999EP0941985A1 Process for the preparation of 4-aminodiphenylamine
09/15/1999CN1228761A Method for preparing halogenated 2-amino or 2-acetamido trifluoromethylbenzene
09/14/1999US5952529 Catalyst and process for producing amines
09/13/1999CA2265159A1 A process for the preparation of 4-aminodiphenylamine
09/10/1999WO1999044984A1 Iron-based catalyst for hydrogenating alpha-, omega-dinitriles
09/10/1999WO1999044983A1 Method for producing aliphatic alpha-, omega-diamines
09/10/1999WO1999044982A2 Method for hydrogenating aliphatic alpha-, omega-dinitriles
09/10/1999WO1999032428A3 Synthesis of diamines
09/10/1999WO1998046063A3 System and method for disposal of hydrazine propellants and other energetic materials
09/10/1999CA2322530A1 Method for hydrogenating aliphatic alpha-, omega-dinitriles
09/09/1999DE19809688A1 Verfahren zur Herstellung von aliphatischen alpha-, omega-Diaminen A process for the preparation of aliphatic alpha, omega-diamines
09/09/1999DE19809687A1 Hydrierkatalysator Hydrogenation
09/09/1999DE19809686A1 Verfahren zur Hydrierung von aliphatischen alpha, omega-Dinitrilen A process for hydrogenation of aliphatic alpha, omega-dinitriles
09/08/1999CN1228072A Process for preparing 2-aryl-substituted indenes
09/07/1999US5948942 Bimetallic catalyst for the simultaneous selective hydrogenation of diolefins and nitriles and method of making same
09/02/1999WO1999043668A1 NOVEL β-DIKETONE COMPOUNDS, β-DIKETONE COMPOUNDS COORDINATED TO METAL, METHOD OF ORGANIC SYNTHESIS WITH THESE, AND CATALYST
09/01/1999EP0939074A2 Process for the preparation of octa-2,7-dienyl-amine from butadiene and ammonia in presence of palladium-complex catalysts
09/01/1999EP0938466A1 Method for preparing cyclopropylamines
09/01/1999EP0938366A1 Method for extracting amine compounds from a liquid medium
09/01/1999CN1227539A Process for preparing 6-aminocapronitrile
08/1999
08/31/1999US5945554 Process for the stabilizing of an organosilane