| Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307) |
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| 08/10/2000 | WO2000046186A1 A process for preparing (r)-4-cyano-3-hydroxybutyric acid ester |
| 08/10/2000 | WO2000046185A1 Arsenic promoted vanadium-antimony-oxide based catalyst for selective paraffin ammoxidation |
| 08/10/2000 | CA2361688A1 Arsenic promoted vanadium-antimony-oxide based catalyst for selective paraffin ammoxidation |
| 08/10/2000 | CA2361680A1 A process for preparing (r)-4-cyano-3-hydroxybutyric acid ester |
| 08/09/2000 | CN1055285C Catalyst for propylene and isobutylene ammoxidation fluidized bed |
| 08/08/2000 | US6100419 Processes for producing α-aminonitrile derivatives and α-amino acids |
| 08/08/2000 | US6100396 Method for purifying lactams |
| 08/03/2000 | WO2000012044A3 Method for the preparation of citalopram |
| 08/02/2000 | EP1024139A1 Process for the preparation of optically active 2- 6-(hydroxymethyl)-1,3-dioxan-4-yl]acetic acid derivatives |
| 08/02/2000 | EP1023279A2 Compounds and method for preparing substituted 4-phenyl-4-cyanocyclohexanoic acids |
| 08/02/2000 | CN1261875A Method for production of 2,4,5-trifluorobenzonitrile |
| 08/02/2000 | CN1261870A Methods for inhibiting polymerization of vinyl monomers |
| 08/02/2000 | CN1055028C New catalyst for preparing 2,6-dichlorobenzyl nitrile by ammonia oxidation process |
| 08/01/2000 | US6096848 Prepared by reacting 2-cyanoacrylic acids or their alkyl esters with diols in the presence of sulfonic acids as catalysts; adhesives for use in electronics |
| 07/27/2000 | WO2000013789A8 Ceramic catalyst for selectively decomposing n2o and a method for the production thereof |
| 07/26/2000 | CN1261070A Process for preparing isobutyl alpha-cyanoacrylate |
| 07/26/2000 | CN1054849C Process for producing quaternary glycine nitriles |
| 07/19/2000 | EP1020433A2 Highly active and selective catalysts for the production of unsaturated nitriles, methods of using the same |
| 07/19/2000 | EP1020432A2 Highly active and selective catalysts for the production of unsaturated nitriles, methods of and using the same |
| 07/19/2000 | EP1019190A1 Catalyst comprising at least one phosphonite ligand based nickel (o) complex and method for the production of nitriles |
| 07/19/2000 | EP0842145B1 Method of carrying out cross-coupling reactions |
| 07/18/2000 | US6090982 Process for the preparation of cyclopropylglycine |
| 07/18/2000 | US6090853 Fungicidally active carboxylic acid amides |
| 07/13/2000 | WO2000040547A1 α-SUBSTITUTION OF UNPROTECTED β-AMINO ESTER COMPOUNDS |
| 07/13/2000 | WO2000040529A1 Colchinol derivatives as vascular damaging agents |
| 07/13/2000 | WO2000040524A1 Preparation of nuclear chlorinated aromatic compounds |
| 07/13/2000 | CA2355302A1 Colchinol derivatives as vascular damaging agents |
| 07/12/2000 | EP1017754A1 Composition preventing polymerisation of ethylenically unsaturated monomers |
| 07/12/2000 | EP1017669A1 Method for producing aliphatic alpha, omega-amino nitriles |
| 07/11/2000 | US6087525 Highly active and selective catalysts for the production of unsaturated nitriles, methods of making and using the same |
| 07/11/2000 | US6087524 Preparation of vanadium antimonate based catalysts using Sno2 ·xH2 o |
| 07/11/2000 | US6087296 Raney iron catalyst and a process for hydrogenating organic compounds using said catalyst |
| 07/06/2000 | WO2000039134A1 Method for preparing water-soluble sulphonated organophosphorous compounds |
| 07/06/2000 | CA2356817A1 Method for preparing water-soluble sulphonated organophosphorous compounds |
| 07/05/2000 | EP1015402A1 Method for producing compounds containing fluorine, in particular fluorobenzaldhydes and fluorobenzonitriles |
| 07/05/2000 | CN2386046Y Automatic control device for quench tower acid feeding in acrylonitrile technology |
| 07/05/2000 | CN1259119A Substituted 3,3-diamino-2-propenenitriles their preparation and use |
| 07/05/2000 | CN1259114A Polymerization inhibition of acrylates using blends of nitroxides |
| 07/05/2000 | CN1258671A Tail gas recovering process from the second decyanation tower of acertonitrile equipment |
| 07/04/2000 | US6084121 Nitrile process |
| 07/04/2000 | US6084119 Ammoxydation of propylene, isobutene or tertiary butanol carried out by adding a non-supported molybdenum compound, convertible into molybdenum oxide, to the fluidized bed as activator for the usual mixed oxide catalyst; stability |
| 07/04/2000 | US6084105 Cyclization in the presence of a base a 2-arylhydrazino-succinonitrile compound to produce a 5-amino-1-aryl-3-cyano-pyrazole pesticide intermediate |
| 07/04/2000 | US6083869 Method for preparing ammoxidation catalysts |
| 06/29/2000 | WO2000037445A1 Alkyl esters of 3-(3,4-dihalogenophenyl)-2,6-dioxopiperidine-3-propionic acid useful as intermediates |
| 06/29/2000 | WO2000037443A1 Process for preparing arylpiperidine carbinol intermediates and derivatives |
| 06/29/2000 | WO2000037432A1 Method of producing aromatic halogen methyl compounds |
| 06/29/2000 | WO2000037431A1 Hydrocyanation method for ethylenically unsaturated organic compounds |
| 06/29/2000 | WO2000037174A1 Method for making a hydrocyanation catalyst |
| 06/29/2000 | WO2000002887A3 Ligands for metals and metal-catalyzed processes |
| 06/29/2000 | CA2356381A1 Hydrocyanation method for ethylenically unsaturated organic compounds |
| 06/29/2000 | CA2356379A1 Method for making a hydrocyanation catalyst |
| 06/29/2000 | CA2350683A1 Alkyl esters of 3-(3,4-dihalogenophenyl)-2,6-dioxopiperidine-3-propionic acid useful as intermediates |
| 06/28/2000 | EP1013636A1 Preparation of allylic aromatic compounds |
| 06/28/2000 | CN1257826A Partial oxidation of hydrocarbon |
| 06/27/2000 | US6080891 Reacting an aliphatic carboxylic acid, a lower alkyl ester thereof or a fatty acid glyceride with ammonia in the presence of a solid catalyst to form nitrile, hydrogenating the nitrile |
| 06/27/2000 | US6080886 Stable, efficient fluorination with less potential of violent decomposition and attendant high gaseous by-product evolvement; producing synthetic drugs and agrochemical products |
| 06/27/2000 | US6080884 Hydrogenating a dinitrile with a hydrogen-containing fluid in the presence of a solvent and a metal catalyst; efficiency, by-product inhibition |
| 06/27/2000 | US6080883 Hydrogenation with hydrogen in the presence of a nickel-containing catalyst |
| 06/27/2000 | US6080882 Process for producing acrylonitrile or methacrylonitrile from propane or isobutane by ammoxidation |
| 06/21/2000 | EP1009735A1 Method for producing a 1-(3-cyclopentenyloxy- 4-alkoxyphenyl)-4- oxocyclohexanecarbonitrile |
| 06/21/2000 | DE19858737A1 Production of halomethyl-benzene and halomethyl-pyridine derivatives useful as plant protectant intermediates, comprises photocatalytic halogenation of methyl-benzene or methyl-pyridine derivative |
| 06/21/2000 | CN1053655C Process for the preparation of an optically pure aminoalcohol |
| 06/15/2000 | DE19857127A1 Oligomere Diarylbutadiene Oligomers diarylbutadienes |
| 06/14/2000 | EP1008586A1 Oligomeric diarylbutadienes |
| 06/14/2000 | EP1008583A1 Process for making 2-alkyl-3-hydroxybenzoic acids |
| 06/14/2000 | EP1008382A1 A fluidized bed reactor for the ammoxidation of hydrocarbons |
| 06/14/2000 | EP1007507A2 Process for preparing 2-cyanoindan-1-ones |
| 06/14/2000 | EP0839129B1 Process for the preparation and separation of cyclopropanecarbonitrile |
| 06/14/2000 | CN1256264A Process for preparing 2-alkyl-3-hydroxy-benzoic acid |
| 06/13/2000 | US6075162 Reacting acetone and methanol as the starting materials; efficiency |
| 06/13/2000 | US6075160 Amination by reacting 2,4,5-trifluorobenzonitrile with an excess of ammonia optionally in the presence of a diluent |
| 06/13/2000 | US6074532 Adjunct for removal of aldehydes from chemical manufacturing production streams during distillative purification |
| 06/13/2000 | CA2020012C A process for the selective hydrogenation of olefins containing nitrile groups |
| 06/13/2000 | CA1341024C Benzo-fused cycloalkane and oxa- and thia-, cycloalkane trans-1, 2-diamine derivatives |
| 06/07/2000 | EP1005447A2 Method for producing long-chain glycine-n,n-diacetic acid derivatives |
| 06/06/2000 | US6072070 Catalysts exhibiting x-ray diffraction spectra characteristic of crystallographic phase of rutile |
| 05/31/2000 | EP1004574A1 Process for producing cyanobenzyl compounds |
| 05/31/2000 | EP1003718A1 Method for the production of n-(5-amino-2-cyano-4-fluoro-phenyl)-sulphonamides and new intermediate products |
| 05/31/2000 | EP1003716A1 Method for producing mixtures of monoolefinic c 5?-mononitriles by catalytic hydrocyanation in the presence of a catalyst containing at least one metallocene phosphor (iii)-nickel-(0) complex |
| 05/31/2000 | EP1003607A2 Supported diols and supported bis(phosphorus) ligands |
| 05/31/2000 | EP0795542B1 Process for the production of acrylonitrile dimers |
| 05/31/2000 | CN1254616A Catalyst for directly preparing isobutanenitrile from isobutanol and its preparing process |
| 05/30/2000 | US6069277 Amination of electrophilic aromatic compounds by vicarious nucleophilic substitution |
| 05/30/2000 | CA1341010C Compounds useful in preparing fluorine-containing chiral smectic liquid crystals |
| 05/24/2000 | EP1001929A1 Method for preparing 3-cyano-2,4-dihalogen-5-fluor-benzoic acid |
| 05/24/2000 | EP1001928A1 Improved hydrocyanation process |
| 05/24/2000 | EP0854859B1 4-cyano-2,5-difluoraniline preparation process |
| 05/24/2000 | CN1052719C Process for preparation of 1,4-diaminonan-thraquinone-2,3-disulfonic acid |
| 05/24/2000 | CN1052718C Hydrocyanation method |
| 05/18/2000 | WO2000027806A1 Hemihydrogenation method for dinitriles |
| 05/18/2000 | WO2000027526A1 Raney cobalt catalyst and a process for hydrogenating organic compounds using said catalyst |
| 05/18/2000 | WO2000027525A1 Raney iron catalyst and a process for hydrogenating organic compounds using said catalyst |
| 05/18/2000 | WO1999056699A3 Main-group metal-based asymmetric catalysts and applications thereof |
| 05/18/2000 | CA2349928A1 Hemihydrogenation method for dinitriles |
| 05/18/2000 | CA2346669A1 Raney iron catalyst and a process for hydrogenating organic compounds using said catalyst |
| 05/18/2000 | CA2345523A1 Raney cobalt catalyst and a process for hydrogenating organic compounds using said catalyst |
| 05/17/2000 | EP1000929A1 Process for preparing o-nitrobenzonitriles |
| 05/17/2000 | EP1000022A1 Hydrocyanation processes and multidentate phosphite ligand and nickel catalyst compositions therefor |
| 05/17/2000 | EP1000021A1 Hydrocyanation of diolefins and isomerization of nonconjugated 2-alykl-3-monoalkenenitriles |
| 05/17/2000 | EP1000020A1 Hydrocyanation of diolefins and isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles |