Patents
Patents for C07C 45 - Preparation of compounds having co groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds (38,929)
08/1990
08/01/1990EP0380085A1 Use of organic rhenium compounds in the oxidation of multiple C-C bonds, oxidation processses based thereon and novel organic rhenium compounds
08/01/1990EP0380001A1 Method for the separation by distillation of small quantities of middle boiling fractions from a liquid-mixture
08/01/1990EP0379935A1 A process for preparing naphthalene derivatives
08/01/1990EP0256097B1 Vinyl compounds and liquid crystal phase
08/01/1990EP0252009B1 1,4-distyryl benzene compounds and their mixtures with other 1,4-distyryl benzene compounds
08/01/1990CN1044281A Synthesis and application of diphosphonate ester
08/01/1990CA2003677A1 Treatment of compositions containing water and organic oxygenates
08/01/1990CA2003676A1 Concentration of water-ketone compositions
07/1990
07/31/1990US4945186 Method of producing 3-bromobenzaldehyde
07/31/1990US4945185 Process for producing mixtures of ketones and aldehydes
07/31/1990US4945184 Preparation of unsaturated ketones
07/31/1990US4945183 Process for the preparation of 4-phenylquinol
07/31/1990US4945108 Angucyclinones from streptomycetes, a process for the preparation thereof, and the use thereof
07/31/1990US4945106 Prostaglandins
07/31/1990US4945101 Fungicidal novel hydroxyalkynyl-azolyl derivatives
07/31/1990US4945099 Leukotriene antagonist
07/31/1990US4944927 Solvent extraction using acetic acid and water mixture
07/31/1990CA1272199A1 Substituted 2,6-substituted pyridine compounds
07/31/1990CA1272180A1 Catalytic system, its preparation and its use for manufacturing aldehydes
07/27/1990WO1990008590A1 Reaction processes in a multi-stage fluidized bed
07/27/1990CA2025770A1 Reaction processes in a multi-stage fluidized bed
07/27/1990CA2007581A1 Process for preparing naphthalene derivatives
07/27/1990CA2007452A1 Process for the catalytic hydroformylation of olefins
07/25/1990EP0378953A1 Benzylidene azolyl methyl cycloalkane and its use as a fungicide
07/24/1990US4943673 Novel metal-diketone absorbents for olefins
07/24/1990US4943663 Process for the preparation of α-alkylacroleins
07/24/1990US4943644 Olefin and alkane oxidations, ruthenium carboxylate catalyst therefor and method of preparation thereof
07/24/1990US4943643 Molten salt catalyzed oxidation of alkanes or olefins using lower temperture nitrate salts
07/24/1990US4943591 Treatment of asthma and bronchitis
07/24/1990US4943384 Cyclohexane derivatives
07/24/1990US4943358 Diphenyl methanes to benzoquinones, hydrogen bromide and hydrogen peroxide
07/24/1990US4943354 Phase separation within the distillation column
07/18/1990EP0378389A1 Recovery of hydrogen peroxide
07/18/1990EP0378388A1 Production of hydrogen peroxide
07/18/1990EP0378081A1 Method of purification of aqueous glyoxal solutions
07/18/1990EP0378073A1 Process for the preparation of 1,3-cyclopentandione
07/18/1990EP0377809A1 Process for the preparation of 3-methyl-2-pentyl-cyclopent-2-en-1-one
07/18/1990CN1043931A Process for reducing amount of polymers during dimerization reaction of ketene
07/17/1990US4942263 Oxidation of alkene with silver catalyst to form aldehyde
07/17/1990US4942240 Reaction of hydrogen and carbon monoxide with an aromatic halide in the presence of a noble metal catalysts
07/17/1990US4942231 Method of preparing a chlorinated, brominated, radio-brominated, iodinated and/or radioiodinated aromatic or heteroaromatic compound
07/17/1990CA1271780A1 Process for producing 6-hydroxy-2-naphthones
07/17/1990CA1271773A1 Bis-phosphite compounds
07/17/1990CA1271772A1 Oxidation of organic compounds using ceric ions in aqueous methanesulfonic acid
07/17/1990CA1271771A1 Preparation of aromatic polymers
07/17/1990CA1271760A1 Azolylmethylcycloalkanes, their preparation and fungicides containing them
07/17/1990CA1271618A1 Process for purification of gases
07/12/1990WO1990007480A1 Acid catalyzed process
07/12/1990DE3900479A1 Process for the preparation of 1,3-dioxan-5-one and dihydroxy- acetone
07/11/1990EP0377438A1 Method for the reduction of the polymer content in the dimerisation of ketene
07/11/1990EP0377274A2 Adamantane derivatives, process for their preparation, compositions containing them and their use as organoleptics and deodorants
07/11/1990CN1043716A 7-oxabicycloheptyl substituted heterocyclic amide prostaglandin analogs useful in treatment of thrombotic and vasospastic disease
07/11/1990CN1043696A 萘衍生物 Naphthalene Derivatives
07/11/1990CN1008735B Composition of substituted azolylmethl-cyclopropyl-carbinol derivatives as active ingredient
07/10/1990US4940819 Nickel, organosulfur catalyst
07/10/1990US4940808 Process for ozonization of unsaturated organic compounds
07/10/1990CA1271495A1 1,1-(3-ethylphenyl)phenylethylene and method for preparing it
07/10/1990CA1271490A1 Oxidation of organic compounds using thallium ions
07/10/1990CA1271489A1 .alpha.,.beta.-SUBSTITUTED ACROLEINS AND THEIR PREPARATION
07/10/1990CA1271488A1 Process for the preparation of 2-alkyl cyclopent-2- enones
07/10/1990CA1271485A1 Oxidation of organic compounds using a catalyzed cerium(iv) composition
07/10/1990CA1271484A1 Oxidation of organic compounds using ceric methanesulfonate in an aqueous organic solution
07/10/1990CA1271467A1 Process for loading a shaped carrier material with a catalytically active material or with a precursor of a catalytically active material, and a shaped catalyst produced by said process
07/10/1990CA1271422A1 Pharmaceutical compounds
07/06/1990CA2007263A1 Process for the production of 1,3-cyclopentanedione
07/04/1990EP0376856A1 Preparation of biaryl compounds
07/04/1990EP0376778A1 Process for the preparation of trifluorethoxylated arylic ketones
07/04/1990EP0376737A2 Cleavage of 1,2,4-trioxanes
07/04/1990EP0376524A1 Benzopyran and related compounds
07/04/1990EP0376516A1 Method of preparation of nabumetone
07/04/1990EP0376453A1 The oxidation of saturated hydrocarbon chains
07/04/1990EP0376288A1 Naphthalene derivative
07/04/1990EP0376182A1 Process for preparing glycol aldehyde
07/03/1990US4939304 Continuous and selective catalytic conversion of cyanohydrins to their corresponding aldehydes
07/03/1990US4939303 Chemical intermediates for pyrethroids
07/03/1990US4939282 The process for preparing 6-deoxynthracyclines
07/03/1990US4939280 Aluminum phosphate catalysts with zeolitic structure molcular sieves
07/03/1990US4939279 Leukotriene antagonists
07/03/1990US4939177 Use of avarol for the control of AIDS and ARC
07/03/1990US4938792 Azole derivatives and agricultural and horticultural chemical composition containing the same
07/03/1990CA1271196A1 Certain aralkylaminoalkyl esters of 1,4 dihydropyridines as antihypertensive
06/1990
06/28/1990WO1990006910A1 Process for producing carbonyl compounds
06/28/1990WO1990006810A1 Low pressure rhodium catalyzed hydroformylation of olefins
06/28/1990DE3843316A1 Verfahren zur herstellung von carbonylverbindungen A process for preparing carbonyl compounds
06/28/1990CA2006468A1 Naphthalene derivatives
06/27/1990EP0375668A2 Phenylethylamines, process for their preparation and compositions containing them
06/27/1990EP0375573A1 Low pressure rhodium catalyzed hydroformylation of olefins
06/27/1990EP0375452A2 Cycloalkane derivatives
06/27/1990EP0375368A2 Alcohol and ether derivatives
06/27/1990EP0374952A2 7-Oxabicycloheptyl substituted heterocyclic amide prostaglandin analogs useful in the treatment of thrombotic and vasospastic disease
06/27/1990EP0374850A1 Method for preparing alpha-(4-isobutylphenyl)propionic acid or its precursor
06/27/1990EP0374615A2 Process for the separation of organometallic compounds and/or metal carbonyls from their solution in organic media
06/27/1990EP0374554A1 Chiral beta-binaphthyl compounds, their preparation and their use
06/27/1990EP0374509A2 4,4,5,8-Tetramethyl-1-oxaspiro(2.5) octane, process for its preparation and its use as a starting material in the preparation of 2,2,3,6-tetramethyl cyclohexane carboxaldehyde
06/27/1990EP0374445A1 Oxygenated cyclic compounds, their use as perfuming ingredients, process for their preparation
06/27/1990EP0374416A1 Process for preparing 2,6,6-trimethyl cyclohex-2-ene-1,4 dione
06/26/1990US4937390 Chemical intermediates, cell growth inhibitator in animals
06/26/1990US4937388 Insecticidal ethers
06/26/1990US4937374 Useful as fungicides
06/26/1990US4937370 Absorb uva and uvb wavelength radiation