Patents
Patents for C07C 253 - Preparation of carboxylic acid nitriles (14,307)
08/1993
08/27/1993CA2090768A1 Process for the preparation of 2,4,5-trifluorobenzonitrile
08/25/1993EP0557192A1 Pyrethrinoid esters derived from 6-trifluoromethyl benzyl alcohol, process for their preparation and their use as pesticides
08/25/1993CN1075473A New purethrinoid esters, derived from 6-(trifluoromethyl) benzyl alcohol, their preparation process and their use as pesticides
08/19/1993WO1993016035A1 Method of separating racemates of verapamil
08/19/1993WO1993016034A1 Preparation of 6-aminocapronitrile
08/18/1993CN1075314A Ammonia oxidation process of sturated hydrocarbon
08/18/1993CN1021822C Prepn. for intermediates for the production of epipodophyllotoxin
08/17/1993US5237088 Transfer hydrogenation of nitriles using amine donors
08/17/1993US5237087 Process for the preparation of chlorinated and fluorinated benzene compounds by selective nucleophilic fluorodenitration
08/12/1993DE4203547A1 Verfahren zur racemattrennung von verapamil Process for the resolution of racemic verapamil
08/11/1993EP0555179A1 Azo dyestuffs
08/11/1993EP0555160A1 Process for the ammoxidation of saturated hydrocarbons
08/11/1993EP0554933A1 Method of preparing vicinal aminoalcohols
08/11/1993EP0554786A1 Process for the continuous preparation of 3-cyano-3,5,5-trimethyl-cyclohexanone
08/11/1993CN1075166A Process for preparing optically active cyanohydrins with enzymes
08/11/1993CN1075138A Ammonia oxidation method for saturated hydrocarbons
08/10/1993US5235089 Process for the preparation of 3-cyano-3,5,5-trimethylcyclohexanone
08/10/1993US5235088 Reacting mixture of olefin, ammonia, oxygen using catalyst containing oxides of molybdenum, bismuth, iron, cobalt, nickel, chromium, phosphorus, antimony, alkali metal
08/05/1993WO1993015086A1 Highly reactive forms of zinc and reagents thereof
08/05/1993WO1993013053A3 Isomerisation process
08/05/1993CA2088552A1 Method of preparing vicinal aminoalcohols
08/04/1993EP0553879A2 Process for producing 4-bromomethylbiphenyl compounds
08/04/1993EP0553668A2 Process for making arylacrylic acids and their esters
08/03/1993US5233054 Process for the preparation of halophthalic anhydrides
08/03/1993US5232946 Promoting weight gain and reduction of blood sugar and fat deposits in animals, feed efficiency
07/1993
07/28/1993EP0552881A1 Anticancer benzaldehyde compounds
07/27/1993US5231214 Process for producing nitriles
07/27/1993CA1320735C Process for the production of nitriles and anhydrides
07/22/1993WO1993014064A1 Removal of tetrahydroazepine (tha) from 6-aminocapronitrile by reaction with reactive methylene compounds
07/22/1993CA2087651A1 Compounds
07/21/1993CN1021638C Fluidized catalyst for acrylonitrile
07/20/1993US5228898 Herbicides
07/20/1993CA1320490C Anti-inflammatory agents
07/14/1993EP0551035A1 3-(but-1-en-3-ynyl)-2,2-dimethylcyclopropanecarboxylic acid derivatives, process for their preparation and their use as pesticides
07/14/1993EP0550762A1 Process for producing nitrile
07/14/1993CN1021548C Ammonia oxidation catalyst for ortho-chlorotoluene
07/13/1993CA1320204C Pharmaceutically useful dihydropyridinyldicarboxylate amides and esters
07/08/1993WO1993013053A2 Isomerisation process
07/08/1993WO1993013052A1 α-SUBSTITUTED BENZENEMETHANAMINE DERIVATIVES
07/08/1993DE4200006A1 Activating molybdenum-contg. mixed oxide catalyst for propene ammoxidation - by treating with readily-dispersed bismuth-III cpd. at 300-600 deg.C
07/08/1993CA2125676A1 .alpha.-substituted benzenemethanamine derivatives
07/07/1993EP0550307A1 Process for the preparation of methylated tertiary amines by reaction of hexamethylenetetramine with amines or nitriles
07/07/1993CN1073936A Alpha-substituted benzenemethanamine derivatives
06/1993
06/30/1993CN1021403C Agricultural composition containing propenoic acid derivant
06/29/1993US5223469 Fluidized-bed catalyst for preparing acrylonitrile
06/29/1993CA1319706C Process for the preparation of bis(aminopropyl) aliphatic glycols
06/24/1993WO1993012073A1 Process for the preparation of an aminonitrile by partial hydrogenation of a nitrile compound with two or more nitrile groups
06/23/1993EP0547981A1 Process for ammoxidation of saturated hydrocarbons
06/22/1993US5221762 Reacting a phenol with benzolactone compound; then phosgene or thionyl chloride; esterification with alcohol
06/21/1993CA2085846A1 2,2-dimethyl cyclopropane carboxylic acid derivatives with a but-1-en-3-ynyle group at position 3, process for their preparation, and their application as pesticides
06/18/1993WO1993012072A1 Process for preparing optically active cyanohydrins with enzymes
06/16/1993EP0546930A1 Process for obtaining aryle esters by o-dealkylation and applications
06/16/1993EP0546866A2 Ethylenediamine-N,N'-diacetic acid-N'-cyanomethyl, salts thereof, and their preparation
06/15/1993US5220090 Heating gaseous mixture of oxygen, ammonia, paraffin with phosphorus oxide catalyst containing indium and/or tin oxide
06/15/1993US5220049 Contacting paraffin with catalyst comprising oxides of phosphorus, indium, tin, vanadium, tungsten, and molybdenum
06/13/1993CA2085151A1 N,n'-diacetic acid-n'-cyanomethyl salts thereof and their preparation
06/10/1993WO1993009077A3 Process for the preparation of fluorinated benzoic acids
06/09/1993EP0357742B1 New pyrethrinoid esters carrying an indanyl ring, preparation method and application as pesticides
05/1993
05/27/1993WO1993010082A1 Dimerisation of acrylonitrile
05/25/1993US5214016 Method of making catalysts containing vanadium, antimony and tin
05/25/1993US5213895 Metals with protective polymers adsorbed on particles
05/19/1993EP0542083A1 Process for preparation of 1,2,3-tricyanobenzene, phthalocyanines obtainable from 1,2,3-tricyanobenzene and their use as pigments
05/18/1993US5212153 Perfume
05/18/1993US5212137 Oxides of iron, bismuth, molybdenum, nickel, magnesium, cesium and potassium with other metals as polymerization catalysts
05/18/1993CA1317977C Dipropargyloxybenzene compounds and their production
05/18/1993CA1317975C Chiral liquid crystal compounds mixtures and devices containing them
05/18/1993CA1317973C Tetralin derivatives, their preparation and their use
05/18/1993CA1317964C N-phenyl butenamides with pharmaceutical properties
05/13/1993WO1993009077A2 Process for the preparation of fluorinated benzoic acids
05/12/1993CN1071833A N-phenyl-2-cyano-3-hydroxy-crotonamide derivatives and use as immunoregulation druge
05/12/1993CN1020598C Conversion of pyrethroid isomers to more active species
05/12/1993CN1020597C Process for producing nitriles
05/11/1993US5210280 Reaction of unsaturated acid derivative with carbon monoxide and nucleopile
05/11/1993US5210197 2-Cyano-2-alkoximino-N-heterocyclylmethylacetamides
05/05/1993EP0539767A1 Enzymatic process for the enantioselective production of optically active cyanhydrins
05/05/1993CN1020449C Insecticidal triffluormethyl alkane derivatives
05/04/1993US5208354 Contrast agents, light absorbers or optical recording media
05/01/1993CA2078942A1 Enzymatic process for the enantioselective preparation of optically active cyanohydrins
04/1993
04/28/1993EP0538783A1 N-phenyl-2-cyano-3-hydroxycrotonic acid amid derivatives and their use as medicaments having immunomodulating properties
04/28/1993CN1071431A Asymmetric syntheses
04/27/1993US5206391 Reacting BR2 with halohydrophthalic anhydride, reacting HBR with CL2 to regenerate bromine
04/27/1993CA1316922C Carboxylic acid derivatives, processes for the preparation thereof, the use thereof and pharmaceutical compositions containing them
04/24/1993CA2081173A1 N-phenyl-2-cyano-3-hydroxycrotonamide derivatives and their use as pharmaceuticals having an immunomodulatory property
04/21/1993EP0537909A1 3-(Unsubstituted or substituted benzyl)-1-alkyl-2-oxocyclopentane carboxylic acid alkyl ester derivatives, and their preparation and use
04/21/1993EP0407557B1 Reaction processes in a multi-stage fluidized bed
04/15/1993WO1993007115A1 Improved process for the synthesis of (5r)-1,1-dimethylethyl 6-cyano-5-hydroxy-3-oxo-hexanoate
04/13/1993US5202455 Process for the liquid-phase preparation of nitriles from aliphatic dicarboxylic acids
04/13/1993CA1316166C Process for preparing di-n-propylacetonitrile
04/07/1993CN1070636A Process for preparing a-cyanoacrylate
04/06/1993US5200539 Conversion of alpha-olefins to aldehydes
04/06/1993US5200111 Optically active compound
04/01/1993WO1993001164A1 Aminomethylenecyanoacetic acid esters and amides
03/1993
03/31/1993EP0534317A1 Process for the preparation of chlorinated and fluorinated benzene compounds by selective nucleophilic fluorodenitration
03/30/1993CA1315279C Anti-inflammatory agents
03/30/1993CA1315277C Ortho-substituted benzyl carboxylates and fungicides which contain these compounds
03/24/1993EP0532636A1 Bis-naphthalimides as anticancer agents
03/24/1993EP0306505B1 Acetylene derivatives as components of liquid crystal phases
03/23/1993US5196619 Mercaptans and hydrogen sulfide
03/23/1993US5196140 Electro-optical liquid crystal display element
03/22/1993CA2078604A1 Process for the preparation of chlorinated and fluorinated benzene compounds by selective nucleophilic fluorodenitration