| Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307) |
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| 02/21/2006 | CA2239970C Process for preparing optically active compounds |
| 02/15/2006 | EP1444193A4 Process for the preparation of tertiary amines from primary amines and nitriles |
| 02/15/2006 | CN1735590A Production method of water-soluble beta-hydroxynitriles |
| 02/15/2006 | CN1735460A Process for the preparation of a nickel/phosphorous ligand catalyst for olefin hydrocyanation |
| 02/15/2006 | CN1241913C Method of preparing 2-phenyl-3-naphthyl propionic acid derivative |
| 02/15/2006 | CN1241907C Organic compounds |
| 02/15/2006 | CN1241906C Method for hemihydregenation of dinitriles in order to form aminonitriles |
| 02/15/2006 | CN1241837C Process for extracting alkali salt or ammonium salt of phenol, naphthol, anthranol or phenanthrol |
| 02/14/2006 | CA2250850C Preparation of substituted aromatic amines |
| 02/09/2006 | US20060030729 Oxidation process in fluidised bed reactor |
| 02/09/2006 | US20060030726 Purification decolorization treatment for fatty nitriles |
| 02/09/2006 | US20060030716 Oxidation, nitration, carboxylation catalysts; 6-carbonyloxy-1,3,5-triazine-2,4-dione derivatives |
| 02/08/2006 | EP1622863A2 Method for the hydrocyanation of unsaturated compounds |
| 02/08/2006 | EP1622862A1 Method for the isomerization of cis-2-pentenenitrile to form trans-3-pentenenitrile |
| 02/08/2006 | EP0937023B2 Process for the preparation of an aldehyde |
| 02/08/2006 | CN1732148A Process for preparing nitrile compound from olefinic unsaturated compound |
| 02/08/2006 | CN1240674C Ammoxidation of mixture of alcohols to mixture of nitriles to acetonitrile and HCN |
| 02/08/2006 | CN1240673C Process and intermediates for making 4-cyanosubstituted cyclohexanoic acids |
| 02/07/2006 | US6995289 Process for synthesis of alpha, beta-unsaturated ketones |
| 02/02/2006 | WO2006012606A2 Improved process for recovery and recycle of ammonia from a vapor stream |
| 02/02/2006 | WO2006010994A1 Process for preparing (s)-alpha-cyano-3-phenoxybenzyl-(s)-2-(4-chlorophenyl)-isovalerate |
| 02/02/2006 | US20060025624 Method for the catalyst-free production of alkoxybenzonitriles |
| 02/01/2006 | EP1621531A1 Catayzed vapor-phase hydrocyanation of diolefinic compounds |
| 02/01/2006 | EP1383734B1 Compounds useful as intermediates for 4-aminoquinoline derivatives |
| 02/01/2006 | EP1324977B1 Process for producing fluorinated dicyanobenzene |
| 02/01/2006 | EP1324976B1 Hydrocyanation method for ethylenically unsaturated organic compounds |
| 02/01/2006 | CN1729164A Process for the preparation of racemic citalopram diol and/or s- or r- citalopram diols and the use of such diols for the preparation of racemic citalopram, r-citalopram and/or s-citalopram |
| 02/01/2006 | CN1729163A Process for the racemisation of enantiomerically enriched alpha-amino nitriles |
| 02/01/2006 | CN1729162A Improved neutralization of isophorone nitrile synthesis products |
| 02/01/2006 | CN1729161A Production process of gamma-cyhalothrin |
| 02/01/2006 | CN1729155A Cyclohexane derivatives and methods for their preparation |
| 02/01/2006 | CN1239473C Fenvalerate preparing process |
| 01/31/2006 | US6992206 Method for producing 3-trifluoromethylphenyl-4-cyanobenzyl ketone |
| 01/31/2006 | CA2186357C Monodentate phosphite and nickel catalyst composition for monoolefin hydrocyanation |
| 01/26/2006 | WO2006009431A1 Process for the preparation of an (hetero)arylamine |
| 01/26/2006 | WO2005105730A3 Method of preparing an alcohol from a halogenoaromatic compound and an aldehyde |
| 01/26/2006 | US20060020142 Catalytic (AMM)oxidation process for conversion of lower alkanes to carboxylic acids and nitriles |
| 01/26/2006 | US20060020140 RS-citalopram diol is precipitated from a solution of the initial non-racemic mixture, or R- or S-citalopram diol is dissolved into a solvent from the initial non-racemic mixture, leaving a residue of RS-citalopram diol; and the precipitate formed is is separated from the final solution phase; simplified |
| 01/25/2006 | EP1619191A2 Process for producing optically active 2-[6-(hydroxymethyl)-1,3-dioxan-4-yl] acetic acid derivatives |
| 01/25/2006 | EP1619178A1 Improved catalytic (Amm) oxidation process for conversion of lower alkanes to carboxylic acids and nitriles |
| 01/25/2006 | EP1618952A1 Method for producing metal oxide catalyst |
| 01/25/2006 | EP1446224B1 Aromatic compounds containing nitrogen and p-functionalized amines, the production thereof and their use in catalytic reactions |
| 01/25/2006 | EP1097158B1 Ligands for metals and metal-catalyzed processes |
| 01/25/2006 | CN1724513A Catalytic (amm) oxidation process for conversion of lower alkanes to carboxylic acids and nitriles |
| 01/25/2006 | CN1238334C Improved method for simultaneous preparation of 6-aminocapronitrile and hexamethylene diamine |
| 01/24/2006 | US6989460 Methods for producing unsaturated carboxylic acids and unsaturated nitriles |
| 01/18/2006 | EP1615877A1 Process for preparing 4-chloro-3-hydroxybutanoic acid ester |
| 01/18/2006 | CN1723083A Mixed oxide catalyst of rb, ce, cr, ni, fe, bi and mo for the manufacture of acrylonitrile |
| 01/18/2006 | CN1237048C Method for distilling separating mixture mainly containing 6-amino cyanide and 1,6-dexanediamine |
| 01/12/2006 | WO2006003501A1 Process for preparing synthetic intermediates useful in preparing pyrazole compounds |
| 01/12/2006 | WO2005003063A3 Process for removal of acrolein from acrylonitrile product streams |
| 01/12/2006 | US20060009643 ring-fluorinated aromatics by a halogen exchange reaction (halex reaction) of a plurality of halogen substituents in one stage in the presence of (N,N-dimethylimidazolidino)tetramethylguanidinium chloride or bromide catalyst, using alkali, alkaline or ammonium fluoride |
| 01/12/2006 | CA2572117A1 Process for preparing synthetic intermediates useful in preparing pyrazole compounds |
| 01/11/2006 | EP1613574A1 Method for the production of at least one partial oxidation and/or ammoxidation product of a hydrocarbon |
| 01/11/2006 | EP1385814A4 Enantiomerically selective cyclopropanation |
| 01/11/2006 | CN1720221A Process for the preparation of phenylmalonic acid dinitriles |
| 01/11/2006 | CN1720220A Method for inhibiting polymerization during the recovery and purification of unsaturated mononitriles |
| 01/11/2006 | CN1720099A Mixed oxide catalyst of K, Cs, Ce, Cr, Co, Ni, Fe, Bi and Mo for the manufacture of acrylonitrile |
| 01/11/2006 | CN1718569A Method of preparing ethylenediamine tetracetonitrile and ethylenediamine tetraacetic acid using hydroxy acetonitrile as raw material |
| 01/11/2006 | CN1235870C Novel use of phenyl hetero alkylamine derivatives |
| 01/11/2006 | CN1235867C Method for preparing aromatics |
| 01/10/2006 | US6984750 Providing a catalyst support; vapor depositing layers comprising molybdenum, vanadium and tellurium and layer comprising at least one other element; calcining |
| 01/10/2006 | US6984749 Method for inhibiting polymerization during the recovery and purification of unsaturated mononitriles |
| 01/10/2006 | US6984604 Supported bis(phosphorus) ligands and their use in the catalysis |
| 01/10/2006 | CA2396090C Asymmetric synthesis of pregabalin |
| 01/04/2006 | EP1611087A1 Process for recovery of pure acrylonitrile |
| 01/04/2006 | EP1610893A1 System suitable for the hydrocyanation of olefinically unsaturated compounds |
| 01/04/2006 | CN1714934A Process for preparing catalyst |
| 01/04/2006 | CN1234685C Method for separation azepine derivative out of mixture contg. amine and azepine derivative |
| 01/04/2006 | CN1234684C Method for hemihydrogenation of dinitriles in order to form aminonitriles |
| 01/03/2006 | US6982343 Treatment of mixed metal oxide catalyst |
| 01/03/2006 | US6982342 Heating using catalyst |
| 01/03/2006 | US6982335 Synthesis of substituted thiazoline carboxylic acids |
| 01/03/2006 | US6982263 Peptidyl carbamates; treatments for osteoporosis and autoimmune diseases |
| 12/29/2005 | WO2005123664A2 Processes for the preparation of 2-cyano-3-naphthalene-1-yl-acrylic acid alkyl or benzyl esters |
| 12/29/2005 | WO2005123663A1 Processes for the preparation of 2-cyano-3-naphthalene-1-yl-3-phenyl-propionic acid alkyl or benzyl esters |
| 12/29/2005 | WO2005123662A1 Modified heck reaction |
| 12/29/2005 | WO2005123661A1 Method for producing nitriles by elimination of water from aldehyde oximes with alkylphosphonic anhydrides |
| 12/29/2005 | US20050288366 Administering N-(4-carboxybutyl)-N-(p-carboxybenzyl)-benzyl- or phenethyl-amine derivatives: 4-({(4-Carboxybutyl)[3-(4-cyclohexylphenoxy)benzyl]amino}methyl)-benzoic acid; stimulate soluble guanylate cyclase also via a novel mechanism of action which takes place without involvement of the heme group |
| 12/29/2005 | DE102005022716A1 Preparation of carbocyclic compounds with five or six benzocondensed rings, useful in liquid crystalline medium, comprises subjecting phenyl derivative to ring closing metathesis reaction in the presence of metathesis catalyst |
| 12/28/2005 | EP1609778A1 Process for production of 2-cyano-3-hydroxy-n-(4-tri- fluoromethylphenyl)hept-2-en-6-ynamide and process for production of polymorphs thereof |
| 12/28/2005 | EP1332177A4 Nitrile process |
| 12/28/2005 | CN1714075A Improved process for the preparation of 1,3-substituted indenes |
| 12/28/2005 | CN1714074A Process for producing aromatic nitrile compound |
| 12/28/2005 | CN1233622C Process for producing fluorinated dicyanobenzene |
| 12/22/2005 | WO2005121063A1 Process for forming branched composition catalytically by carbon-hydrogen bond activation in a saturated moiety |
| 12/22/2005 | DE102004009549B4 Verfahren zur Durchführung von basisch katalysierten Reaktionen A process for carrying out base-catalysed reactions |
| 12/21/2005 | EP1606246A1 Method for producing 2-cyan-3-hydroxy-n-(phenyl)but-2-ene amides |
| 12/21/2005 | CN1232504C Method for producing acrylonitrile, catalyst for use therein and method for preparing same |
| 12/21/2005 | CN1232501C Preparing technology for cyclohexanol derivatives used to prepare the intermediate of Venlafaxine |
| 12/20/2005 | US6977312 Phosphor, arsenic and antimony compounds based upon diaryl-anellated bicyclo[2.2.n] parent substances and catalysts containing same |
| 12/20/2005 | US6977303 Highly enantiomerically pure lactam-substituted propanoic acid derivatives and methods of making and using same |
| 12/15/2005 | US20050277790 High-selective production method of di(aminomethyl)-substituted aromatic compound |
| 12/15/2005 | US20050277784 Processes for the preparation of 2-cyano-3-naphthalene-1-yl-acrylic acid alkyl or benzyl esters |
| 12/15/2005 | US20050277783 Processes for the preparation of 2-cyano-3-naphthalene-1-yl-3-phenyl-propionic acid alkyl or benzyl esters |
| 12/15/2005 | US20050277547 Vapor phase oxidation of alkane or mixture of alkane and alkene to unsaturated carboxylic acid or ammoxidation to an unsaturated nitrile using a molybdenum or tungsten mixed oxide catalyst treated with nitric acid, ammonium nitrate, ammonium nitrite, nitrogen monoxide and/or nitrogen dioxide |
| 12/14/2005 | EP1604954A1 Process for the production of anhydrous nickel chloride |
| 12/14/2005 | EP1603865A1 Method for hydrocyanating an olefinically unsaturated compound |
| 12/14/2005 | EP1181268B8 Ammoxidation of a mixture of ketones to acetonitrile and hydrogen cyanide |
| 12/08/2005 | US20050272941 The alkylation catalysts comprise a transition metal cation possessing multiple oxidation states that is embedded in a transition metal oxoanion possessing a higher oxidation state for the metal than the metal in the cation, such as copper chromite in the presence of rhodium |