| Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307) |
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| 05/17/2000 | EP1000019A1 Hydrocyanation processes and multidentate phosphite ligand and nickel catalyst compositions therefor |
| 05/17/2000 | EP1000006A1 Improved process of preparation of linear aldehydes |
| 05/17/2000 | EP0999999A1 Method for preparing substituted benzyl bromides |
| 05/17/2000 | EP0873298A4 Chiral reductions of imines leading to the syntheses of optically active amines |
| 05/16/2000 | US6063728 Compound oxide catalyst with which oxidative decomposition of ammonia feedstock into nitrogen can be effectively suppressed, thereby enabling improved utilization of ammonia |
| 05/11/2000 | WO2000026183A1 Improved alpha-chloronitrile production method |
| 05/11/2000 | WO2000006532A3 Process for the preparation of r-(-)-carnitine |
| 05/11/2000 | DE19850856A1 Verbessertes Verfahren zur Herstellung von alpha-Chlornitrilen An improved process for the preparation of alpha-chloronitriles |
| 05/10/2000 | EP0999207A2 Method for removal of aldehydes from chemical manufacturing production streams during distillative purification |
| 05/10/2000 | EP0999206A1 Process for producing alpha cyano acetic acid esters |
| 05/10/2000 | EP0998451A1 Substituted 3,3-diamino-2-propenenitriles, their preparation and use |
| 05/10/2000 | EP0998437A1 Methods for inhibiting the polymerization of vinyl monomers |
| 05/10/2000 | EP0866786B1 Basic catalysts for the aldol reaction |
| 05/10/2000 | CN1252789A 3-cyano-2,4,5-trifluoro-benzoyle fluoride and intermediate preparation thereof |
| 05/10/2000 | CN1052220C Isomerization of methyl-2 buten-3 nitrile |
| 05/04/2000 | WO2000024706A1 Azo-type compound granules |
| 05/04/2000 | DE19850624A1 Verfahren zur Herstellung von Cyanessigsäureestern A process for the preparation of cyanoacetic esters |
| 05/04/2000 | CA2347161A1 Azo-type compound granules |
| 05/03/2000 | EP0997454A1 Method for gas phase catalytic oxidation of hydrocarbon |
| 05/03/2000 | EP0996614A1 Acrylonitrile compounds, process for their production and pesticides containing them |
| 05/03/2000 | EP0996606A1 Catalysed fluorination of carbonyl compounds |
| 05/03/2000 | EP0931058B1 Catalysts suitable for preparing aliphatic alpha-, omega-aminonitriles by partial hydrogenation of aliphatic dinitriles |
| 05/03/2000 | CN1252052A Separation of 6-aminocaproic acid nitrile from mixtures containing 6-aminocaproic acid and imine |
| 05/02/2000 | US6057472 Highly pure alkyl 2-cyanoacrylates |
| 05/02/2000 | US6057471 Catalytic vapor phase reaction of ammoxidation |
| 05/02/2000 | US6057456 Transition metal-catalyzed process for preparing alpha-arylated carbonyl-containing compounds |
| 04/26/2000 | EP0995715A1 Hydrocarbon partial oxidation process |
| 04/26/2000 | EP0994849A1 Method for production of 2,4,5-trifluorobenzonitrile |
| 04/26/2000 | EP0807120B1 Ruthenium hydrogenation catalysts |
| 04/25/2000 | US6054603 Cooling; distillation |
| 04/25/2000 | US6054065 N,n'-di((1s,4r)-7,7-dimethyl-2-ketonyldicyclo(2.2.1)heptylform yl)-1,2-cyclohexyldiamine |
| 04/20/2000 | WO2000021922A2 Chemical processes |
| 04/20/2000 | CA2344359A1 Chemical processes |
| 04/19/2000 | EP0994103A1 Processes for preparing pesticidal intermediates |
| 04/19/2000 | EP0994099A1 Chemical processes |
| 04/19/2000 | EP0993463A1 Alkene borates and a process for covalently coupling organic compounds |
| 04/19/2000 | EP0730570B1 Method for making intermediates useful in synthesis of retroviral protease inhibitors |
| 04/19/2000 | EP0686144B1 New compounds |
| 04/19/2000 | CN1251087A Process for continuous hydrogenation of adiponitrile |
| 04/19/2000 | CN1250773A Process for preparing malononitrile |
| 04/19/2000 | CN1250772A Process for preparing high-purity malononitrile |
| 04/19/2000 | CN1250767A Series distillation method for removing tetrahydroazole from aminocapronitrile and/or hexamethyldiamine |
| 04/13/2000 | WO2000020389A1 Naphthalenecarboxamides as tachykinin receptor antagonists |
| 04/13/2000 | CA2345133A1 Naphthalenecarboxamides as tachykinin receptor antagonists |
| 04/11/2000 | US6048997 Manufacturing process for 6-aminocapronitrile |
| 04/11/2000 | US6048996 Reaction of olefin with hydrogen cyanide |
| 04/06/2000 | WO2000018728A1 Method of quenching gaseous acrylonitrile and hydrogen cyanide product stream |
| 04/06/2000 | WO2000018714A1 Method for arylation of acetophenone type compounds |
| 04/05/2000 | EP0808302B1 2-aryl-2-alkyl-omega-alkylaminoalkane nitrile racemate separation process |
| 04/05/2000 | EP0800508B1 Process for preparing aliphatic alpha,omega-aminonitriles |
| 04/05/2000 | CN1249747A Processes for preparing pesticidal intermediates |
| 04/05/2000 | CN1249290A Process for refining high-purity reagent by raction extractive reactification |
| 04/04/2000 | US6046353 Method of making (S)-3-(aminomethyl)-5-methylhexanoic acid |
| 04/04/2000 | US6046352 Reacting a glycol-protected 4-bromobenzaldehyde with a p-alkoxyphenylmagnesium halide; deprotection of the product, 4-alkoxy-4'-formylbiphenyl; reacting the formyl group with hydroxylamine to cyanate; hydrolysis of the ether |
| 03/30/2000 | WO2000017187A1 Processes for the preparation of isochromanones and intermediates for the preparation thereof |
| 03/30/2000 | WO2000017155A1 Pesticidal bis-oxime compounds |
| 03/30/2000 | WO2000017132A1 Method for producing olefins |
| 03/30/2000 | CA2345017A1 Method for producing olefins |
| 03/29/2000 | EP0989115A2 Process for producing cyanobenzoic acid derivatives |
| 03/29/2000 | EP0988273A1 Polymerization inhibition of acrylates using blends of nitroxides |
| 03/29/2000 | CN1050833C Process for the preparation of acid chloride |
| 03/28/2000 | US6043363 Useful as olefin polymerization catalyst |
| 03/28/2000 | US6043186 Contains, in specific atomic ratios, molybdenum; vanadium; niobium; at least one element selected from tellurium and antimony; and at least one rare earth element |
| 03/28/2000 | US6043185 Gallium promoted molybdenum vanadium-antimony-oxide based catalyst for selective paraffin ammoxidation |
| 03/23/2000 | WO2000015621A1 Process for the synthesis of n-benzyl-3-(4-fluorophenyl)-1,4-oxazin-2-one |
| 03/23/2000 | DE19843012A1 (Hetero)aryl-substituted olefin preparation for use e.g. as polymer or drug intermediate, by Heck reaction using inexpensive catalyst system of divalent palladium compound and nitrogen-containing additive |
| 03/23/2000 | CA2342213A1 Process for the synthesis of n-benzyl-3-(4-fluorophenyl)-1,4-oxazin-2-one |
| 03/22/2000 | EP0987235A1 Method for the conversion of arenes or alkenes with iodoalkenes, aryl iodides or arenediazonium salts |
| 03/22/2000 | CN1248242A Preparation of 4-cyano-4'-hydroxy biphenyl |
| 03/22/2000 | CN1248241A Preparation of 4-cyano-4'-hydroxy biphenyl |
| 03/21/2000 | US6040471 Method for preparing certain acetonitriles |
| 03/16/2000 | WO2000014177A1 Vinyl monomer polymerization inhibition using hindered hydroxylamines |
| 03/16/2000 | WO2000014055A2 Method for producing cyanovaleric acid or esters thereof |
| 03/16/2000 | WO2000013789A1 Ceramic catalyst for selectively decomposing n2o and a method for the production thereof |
| 03/16/2000 | DE19841740A1 Keramischer Katalysator zur selektiven Zersetzung von N2O und Verfahren zu dessen Herstellung Ceramic catalyst for selective decomposition of N2O and process for its preparation |
| 03/16/2000 | CA2343022A1 Vinyl monomer polymerization inhibition using hindered hydroxylamines |
| 03/16/2000 | CA2342170A1 Method for producing cyanovaleric acid or esters thereof |
| 03/15/2000 | EP0985659A1 Process for the preparation of 3-cyano-3,5,5-trimethylcyclohexanone |
| 03/15/2000 | CN1247530A Acrylonitrile compounds, process for their prodn. and pesticides containing them |
| 03/15/2000 | CN1247102A Catalyst compsns. of mono-tooth ligand phosphite and nickel in use for mono olefines cyaniding |
| 03/15/2000 | CN1050351C Purification of acetonitrile of high purity and rough acetonitrile |
| 03/14/2000 | US6037304 Ammoxidation catalyst containing bismuth, molybdenum, vanadium, antimony, niobium, group v, vi, vii, or vii, group 1a or 2a oxides |
| 03/14/2000 | US6036880 Niobium-containing aqueous solution for use in producing niobium-containing oxide-catalyst |
| 03/09/2000 | WO2000012468A1 An improved synthesis of 3-hydroxy-4-amino-benzonitrile |
| 03/09/2000 | WO2000012461A1 Process for making 2-amino-5-cyanophenol |
| 03/09/2000 | WO2000012459A1 Improved method for simultaneous preparation of 6-aminocapronitrile and hexamethylene diamine |
| 03/09/2000 | WO2000012457A1 Catalytic synthesis of aldehydes by direct hydrogenation of carboxylic acids |
| 03/09/2000 | WO2000012209A1 Method for producing oxide catalyst for use in producing acrylonitrile or methacrylonitrile from propane or isobutane |
| 03/09/2000 | DE19840253A1 Verfahren zur Herstellung von Cyanvaleriansäure oder -estern A process for preparing cyanovaleric acid or esters |
| 03/09/2000 | CA2341718A1 An improved synthesis of 3-hydroxy-4-amino-benzonitrile |
| 03/09/2000 | CA2341711A1 Process for making 2-amino-5-cyanophenol |
| 03/08/2000 | CN1246855A Compounds and method for preparing substituted 4-phenyl-4-cyanocyclohexanoic acids |
| 03/08/2000 | CN1246843A Method for separating imine from mixture containing amine and imine |
| 03/07/2000 | US6034264 Vapor phase reaction; using activated carbon as catalyst |
| 03/07/2000 | US6034240 Substituted aminomethylphosphines, coordination complexes of aminomethylphosphines and their synthesis |
| 03/02/2000 | WO2000010942A1 Solid phase synthesis of compounds by carbon-carbon bond forming mitsunobu reactions |
| 03/02/2000 | DE19839338A1 Verbessertes Verfahren zur gleizeitigen Herstellung von 6-Aminocapronitril und Hexamethylendiamin An improved process for moving coproduction of 6-aminocapronitrile and hexamethylenediamine |
| 03/02/2000 | CA2338563A1 Solid phase synthesis of compounds by carbon-carbon bond forming mitsunobu reactions |
| 03/01/2000 | CN1246108A Method for separating 6-aminocapronitrile from mixtures containing y-aminocapronitrile 6nd imine |
| 02/29/2000 | US6031130 Catalyzing the dehydration of a secondary amine compound by adding a rhenium catalyst and aqueous hydrogen peroxide to a mixture also containing a dehydrating agent; use as photographic developers, additives for polymers |