| Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307) |
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| 07/08/1998 | CN1039007C Process for elimination of waste material during manufacturing of acrylonitrile |
| 07/01/1998 | CN1038938C 不对称合成 Asymmetric Synthesis |
| 06/30/1998 | US5773470 Treating rheumatic diseases, autoimmune diseases and rejection reactions due to organ transplanting |
| 06/25/1998 | WO1998027067A1 Method for producing 1-phenyl-uracil derivatives |
| 06/25/1998 | WO1998027057A2 Method for producing trifluoroacetoacetic acid anilides |
| 06/25/1998 | WO1998027054A1 Monoolefinic c5-mononitriles, method for the production and the use thereof |
| 06/25/1998 | DE19652955A1 Verfahren zur Herstellung von Trifluoracetessigsäure-aniliden A process for preparing trifluoroacetoacetic acid-anilides |
| 06/25/1998 | CA2275164A1 Monoolefinic c5-mononitriles, method for the production and the use thereof |
| 06/24/1998 | EP0849257A1 Process for the preparation of 3-amino-2-hydroxy-4-phenylbutyronitrile derivatives |
| 06/24/1998 | CN1185780A Process for producing 2-cyano-3, 3-diary acrylic acid esters |
| 06/24/1998 | CN1038838C Chiral nitriles, their preparation and their use for mfg. of verapamil and the like |
| 06/24/1998 | CN1038837C Dehydrocynation of dinitriles aliphatiques |
| 06/23/1998 | US5770757 Ammoxidation catalysts containing germanium to produce high yields of acrylonitrile |
| 06/18/1998 | DE19652433A1 Verfahren zur Herstellung von 1-Phenyl-uracil-Derivaten Process for the preparation of 1-phenyl-uracil derivatives |
| 06/18/1998 | DE19652273A1 Monoolefinische C¶5¶-Mononitrile, Verfahren zu ihrer Herstellung und ihre Verwendung Monoolefinic C¶5¶ mononitriles, processes for their preparation and their use |
| 06/17/1998 | EP0847383A1 Multi-component liquid azodinitrile mixtures |
| 06/10/1998 | EP0846684A2 Process for producing 2-halo-nicotinic acid derivatives and precursors thereto |
| 06/10/1998 | EP0846097A1 Hydroformylation process |
| 06/10/1998 | EP0846096A1 Hydroformylation process |
| 06/10/1998 | EP0740648B1 Lewis acid catalyzed ammonolysis of nylon |
| 06/10/1998 | CN1038674C Preparation of aromatic nitriles |
| 06/09/1998 | US5763689 Reductive fission reaction using hydrogenation reaction or metal hydride to selectively cleave substituent at 3-position of disubstituted cyclic diene |
| 06/09/1998 | US5763676 Catalytically reacting aromatic carboxylic acids or their esters with hydrogen using zirconium dioxide/lanthanide catalyst |
| 06/09/1998 | US5763669 Contacting nitrile with gaseous hydrogen in presence of organoruthenium catalyst containing organophosphorus ligand, agitating the nitrile, hydrogen and catalyst to form primary amine |
| 06/09/1998 | US5763640 Oximinomethylphenyl derivatives |
| 06/09/1998 | US5763639 Process for producing quarternary glycine nitriles |
| 06/09/1998 | US5763638 Preparation of aromatic nitriles |
| 06/03/1998 | EP0686146B1 Process for the preparation of ortho-hydroxy substituted aromatic nitriles via dehydration of the corresponding aldoximes |
| 06/02/1998 | US5760283 Removing acrolein by contacting with sodium hypochlorite, acid salt of hydroxylamine, urea compound or 4,4-dimethyl-1-oxa-3-azacyclopentane |
| 06/02/1998 | US5760280 Production process for aromatic compounds |
| 06/02/1998 | US5760278 Mixing with hydroxy group containing compound, antioxidant, alcohol, water |
| 06/02/1998 | US5760275 Catalyzing with carbon monoxide and hydrogen in presence of group 8 metal compound |
| 06/02/1998 | US5760274 Reacting benzotrichloride compound with ammonia source in the presence of a group 2a metal catalyst |
| 06/02/1998 | US5760209 Protecting group for synthesizing oligonucleotide analogs |
| 06/02/1998 | US5760192 Multi-component liquid azodinitrile mixtures |
| 05/28/1998 | WO1998022421A1 Process for the simultaneous preparation of acrylonitrile and acrylic acid |
| 05/28/1998 | CA2271421A1 Process for the simultaneous preparation of acrylonitrile and acrylic acid |
| 05/27/1998 | CN1182728A Process for preparing prussiate by ammoxidation |
| 05/26/1998 | US5756849 Reducing concentration needed |
| 05/26/1998 | US5756834 Process for preparing fluorinated aromatics |
| 05/26/1998 | US5756808 Partial hydrogenation of aliphatic dinitriles in solvent at elevated temperature and pressure in presence of specified catalyst |
| 05/26/1998 | US5756807 Preparation of alkyl cyanoacetates |
| 05/26/1998 | US5756804 Homogeneous process for carrying out cross-coupling reactions |
| 05/26/1998 | US5756803 Process for the condensation of an aldehyde with hydrogen cyanide |
| 05/26/1998 | US5756802 Ammoxidation process for producing acetonitrile |
| 05/26/1998 | US5756653 Substituted polythiophenes from highly reactive zinc reagents |
| 05/20/1998 | EP0842922A1 Process for producing acrylonitrile |
| 05/20/1998 | EP0842897A1 Process for the preparation of cyano compounds by ammonoxidation |
| 05/20/1998 | EP0842183A1 Catalyst for cross-coupling reactions |
| 05/20/1998 | EP0842146A1 Oximether and acrylic acid derivatives and their use as fungicides |
| 05/20/1998 | EP0842145A1 Method of carrying out cross-coupling reactions |
| 05/20/1998 | DE19647795A1 Production of aromatic nitrile compounds |
| 05/20/1998 | CN1182068A Process for separation of mixture of enantiomers |
| 05/20/1998 | CN1038411C Improved process for the manufacture of cyclopropylniitrile |
| 05/14/1998 | WO1998019985A1 Process to prepare a linear aldehyde |
| 05/14/1998 | WO1998019984A1 Process for the preparation of an aldehyde |
| 05/14/1998 | WO1998019511A2 Method for the preparation of citalopram |
| 05/14/1998 | DE19646436A1 Simple, economical production of alpha,omega-amino-nitriles with high selectivity |
| 05/14/1998 | CA2270521A1 Process for the preparation of an aldehyde |
| 05/12/1998 | US5750761 Reaction with a cyanide and oxidizing agent in presence of halides |
| 05/12/1998 | US5750760 Vapor phase catalytic oxidation of an alkane |
| 05/06/1998 | EP0839818A1 Optically active diphosphine, transition metal complex containing the same, and process for producing optically active compound using the complex |
| 05/06/1998 | EP0839787A1 Process for the preparation of an aldehyde |
| 05/06/1998 | EP0839150A1 Process for the preparation of ruthenium hydrogenation catalysts and products thereof |
| 05/06/1998 | EP0839129A1 Process for the preparation and separation of cyclopropanecarbonitrile |
| 05/06/1998 | EP0766686B1 Preparation of triarylborane |
| 05/06/1998 | CN1181063A Process for producing 'alpha', 'bela'-unsaturated nitrile |
| 05/06/1998 | CN1180696A Process for preparing 4-hydroxyanilines |
| 05/05/1998 | US5747664 N-Phenyl-2-cyano-3-hydroxycrotonamide derivatives |
| 05/05/1998 | US5747411 Supported catalysts which are suitable for ammonoxidation |
| 05/05/1998 | US5746924 Antifoulant for acrylonitrile purification |
| 04/30/1998 | WO1998017634A1 Process for purifying acrylonitrile |
| 04/30/1998 | DE19746883A1 Production of carbocyclic or heterocyclic nitrile with high yield |
| 04/29/1998 | EP0838448A1 Process for the separation of a mixture of enantiomers |
| 04/28/1998 | US5744643 Reacting an aromatic nitro compound with carbon monoxide in a an aqueous solvent mixture a water-soluble palladium salt hydrogenation catalyst supported by a water-soluble phosphine |
| 04/23/1998 | WO1998016501A1 Process for the production of cyanocinnamamides |
| 04/23/1998 | WO1998016486A1 Process for the preparation of substituted aromatic compounds |
| 04/23/1998 | CA2268392A1 Process for the production of cyanocinnamamides |
| 04/23/1998 | CA2268304A1 Process for the preparation of substituted aromatic compounds |
| 04/23/1998 | CA2218804A1 Process for the separation of a mixture of enantiomers |
| 04/22/1998 | EP0836881A1 Retention of activity of molybdenum-bismuth-iron or cerium-containing metallic oxide oxidation catalysts |
| 04/22/1998 | CN1179359A Retention of activity of molybdernum-containing metallic oxide catalyst |
| 04/21/1998 | US5741955 Process for reductive hydrolysis of nitriles |
| 04/21/1998 | US5741930 Reduction of nitrite contaminants by selective hydrogenation |
| 04/16/1998 | WO1998015524A1 Improved process for the synthesis of beta-ketonitriles |
| 04/16/1998 | WO1998015515A1 Synthesis of aryl ethers, methods and reagents related thereto |
| 04/15/1998 | EP0835237A1 Amination of electrophilic aromatic compounds by vicarious nucleophilic substitution |
| 04/15/1998 | EP0698009B1 Method for the selective hydrogenation of a dinitrile compound |
| 04/15/1998 | CN1179147A Process for hydroganation in the presence of zero-valent nickel, a bidentate phosphorous compound and a lewis acid |
| 04/15/1998 | CN1178785A Method for preparing amino-phenol |
| 04/14/1998 | US5739375 Reacting with dimethyl carbonate in presence of a base containing nitrogen for producing an antiinflammatory chemical intermediate |
| 04/14/1998 | US5739144 Trisubstituted phenyl derivatives |
| 04/09/1998 | DE19712339C1 Preparation of 2'-substituted 4-bromo-methyl-bi:phenyl compounds |
| 04/07/1998 | US5736614 Dehydration and dehalogenation of halogenated perfluoro saturated carboxylic amide |
| 04/01/1998 | EP0832877A2 Ammoxidation method in fluidized-bed reactor |
| 03/31/1998 | US5734098 Method to monitor and control chemical treatment of petroleum, petrochemical and processes with on-line quartz crystal microbalance sensors |
| 03/31/1998 | US5734073 Halogenation reactions |
| 03/31/1998 | US5733838 Process for the production of a hydrogenation catalyst |
| 03/26/1998 | WO1998012174A1 Method for preparing 4-methyl-biphenyl derivatives |
| 03/25/1998 | EP0831083A1 Process for synthesizing benzoic acids |