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)
12/1992
12/17/1992DE4119342A1 Isomerisation of alpha-ionone or beta-ionone to equilibrium mixt. - in homogeneous phase in presence of Gp=VIII-B metal salt in alcohol or N-methyl pyrrolidone, or in heterogeneous phase on alumina or alkali halide
12/16/1992EP0518562A2 Process for removing acetone from a mixture comprising acetone, methyl acetate and methyl iodide
12/16/1992EP0518241A2 Hydroformylation process and bisphosphite compound used therein
12/16/1992EP0517979A1 Process for producing aromatic acylation product
12/16/1992EP0260305B1 Quinolinyl ether tetrazole as agent for the treatment of hypersensitive ailments
12/16/1992CN1067045A Process for synthesis of 6-methoxy-2-acetonaphthalene
12/16/1992CN1067044A Process for preparing 6-methoxy naphthyl aldehyde
12/15/1992US5171898 Method for the production of 1,3-propandiol
12/15/1992US5171894 Catalytically oxidizing methanol in air, condensing formed gases, separation, stabililzing with base and water; continuous processing of urea-formaldehyde glues and resins
12/15/1992US5171893 Catalyzed reaction of fluoroalkylsilanes with acyl fluorides or fluorinated aromatic compounds
12/15/1992US5171891 Using sulfur containing oxy acids and their salts
12/15/1992US5171880 Sulfur or oxidized sulfur in a base
12/15/1992US5171821 Azeotropically distilling off water with an organic solvent to obtain the phenolate formed from an alkali compound and a chlorophenylene hydroxyphenylene ketone
12/15/1992CA1311495C Process for producing an oxygen-containing organic compound from olefins
12/13/1992CA2070560A1 Process for removing acetone from a mixture comprising acetone, methyl acetate and methyl iodide
12/11/1992WO1992022518A1 Hydroxy- or oxo-substituted alkyl cyclopentenes
12/11/1992CA2089146A1 Substituted pentanol
12/10/1992WO1992021647A1 Carbocyclic and heterocyclic hiv protease inhibitors
12/10/1992WO1992021643A1 Azulenic retinoid compounds, compositions and methods
12/10/1992WO1992021440A1 Molded or supported catalyst excellent in mechanical strengths for use in synthesizing methacrolein and methacrylic acid and production thereof
12/09/1992EP0190233B1 New carbacyclines, preparation thereof and drug containing them
12/09/1992CN1066839A Process for preparing alkanone and/or alkanol
12/09/1992CN1019396B Process for purifying tertiary organophosphites
12/08/1992US5169994 Process for the manufacture of 2,2,4,4-tetramethycyclobutanediol
12/08/1992US5169974 Process for manufacturing aryloxyaldehydes
12/08/1992US5169958 Reacting, 3-amino-2-propen-1-ones with magnesium halide in solvent
12/08/1992US5169943 Chiral reaction medium for organic reactions
12/08/1992US5169853 Pyridinyl-quinolone compounds, their preparation and use
12/08/1992US5168983 Process for removing impurities from the mixture of cyclohexanone and cyclohexanol
12/08/1992CA1311208C Process for reducing the ketene trimer content in a raw diketene
12/02/1992EP0516311A1 Chemical process for the manufacture of trifluoroacetaldehyde
12/02/1992EP0516082A2 Gingerol and gingerdiol derivatives as hypocholesterolemic and antiatherosclerotic agents
12/02/1992CN1019296B Improved process for substituted indolinone derivatives
12/01/1992WO1992021640A1 A method for preparing aryl ketones
12/01/1992US5167696 Herbicidal aryloxy- and arylamino-indanes
12/01/1992CA2087711A1 Method for preparing aryl ketones
12/01/1992CA2069548A1 Gingerol and gingerdiol derivatives as hypocholesterolemic and antiatherosclerotic agents
12/01/1992CA1311077C Preparation of poly(arylene ether ketones)
12/01/1992CA1310979C Alkane catalytic oxidation process into mixtures of alcohols and ketones
12/01/1992CA1310978C Process for the preparation of halogen-containing aromatic compounds
12/01/1992CA1310974C Alkane and alkene derivatives and their preparation and use
11/1992
11/30/1992WO1992021642A1 Recovery of acetyl values from ethylidene diacetate
11/30/1992WO1992021641A1 Dihydroxyindanone tyrosine kinase inhibitors
11/30/1992CA2109515A1 Dihydroxyindanone tyrosine kinase inhibitors
11/30/1992CA2108970A1 Recovery of acetyl values from ethylidene diacetate
11/25/1992EP0306538B1 Process for preparing alpha-(3-benzylphenyl)propionic acid derivative
11/25/1992CN1019192B Rhodium recovery from hydroformylation reaction product
11/25/1992CN1019191B Insecticidal ethers
11/24/1992US5166450 Catalytic condensation of aldehyde
11/24/1992US5166448 Cyclohexanone chemical intermediates for liquid crystals
11/24/1992US5166447 Preparation of cyclopentanones
11/24/1992US5166419 Method for preparing α-(4-isobutylphenyl) propionic acid or its precursor
11/24/1992US5166416 Propenone oxime ethers, a method of preparing them, and pharmaceutical compositions containing them
11/24/1992US5166398 Anticholesterol agents or atherosclerosis
11/24/1992US5166379 Acetylenic Carbinols as Immunosuppressants
11/24/1992US5166368 Process of producing dichloroacetaldehyde trimer
11/24/1992US5166355 Condensation of formaldehyde with benzotriazolephenol
11/24/1992US5166119 Slurrying ammonium molybdate in nitric acid solution; drying, calcining to produce bismuth, iron, cesium, and/or thallium containing oxidation catalyst
11/24/1992CA1310665C Process for dearylation of alkylenebisphenols and alkyltrisphenols
11/21/1992WO1992020667A1 Process for the production of mixtures of 2-hydroxytetrahydrofuran and 4-hydroxybutanal
11/19/1992EP0514170A1 Aldol condensation dehydration catalyst, a process for preparing the same and a process for preparing an aldol condensation dehydrate using the process
11/19/1992EP0513977A2 Acylated bicycloalkadiene-compound-containing compositions of matter, process for preparing same and perfumery uses thereof
11/19/1992EP0513103A1 Method for protecting dihydroxyacetone, dihydroxyacetone thereby protected and cosmetic product containing said protected dihydroxyacetone.
11/18/1992CN1066264A Prepn. of formaldehyde with low energy consumption
11/18/1992CN1019111B Chelated ligands used as catalyst for low pressure carboxylation and its use
11/18/1992CN1019110B Transition metal complex catalyze reaction
11/18/1992CN1019104B Bi-ester of phosphite
11/17/1992US5164527 Zeolite catalysts
11/17/1992US5164365 1,1,2,3,3,6-hexamethyl-4,5,6,7-tetrahydro-5-indanone and fragrance compositions containing same
11/17/1992US5163453 3,5,5,6,8,8,-hexamethyl-1,2,3,4,5,6,7,8,-octahydro-2-naphthalenone
11/17/1992CA2068489A1 Aldol condensation dehydration catalyst, a process for preparing the same and a process for preparing an aldol condensation dehydrate using the process
11/17/1992CA1310365C Ionic conduction material
11/17/1992CA1310333C Process for preparing 3-(6'-methoxy-2'-naphthylmethyl)-2, 4-pentanedione
11/17/1992CA1310332C Impurity removal from carbon monoxide and/or hydrogen- containing streams
11/12/1992WO1992019748A1 Herpesvirus particles and vaccine
11/12/1992WO1992019623A1 Highly reactive form of copper and reagents thereof
11/12/1992WO1992019579A1 Manufacture of neopentyl glycol (i)
11/12/1992DE4134773C1 Benzophenone derivs. prepn. for prodn. of UV stabilisers - by mixing alkoxybenzene with phosgene in presence of Lewis base in aromatic hydrocarbon solvent, heating with alkyl ether addn. and working up with water
11/11/1992EP0512843A1 Magnesium-aluminium complex compounds and process for their preparation
11/11/1992EP0512715A2 Verfahren zur Herstellung einer in 3-Stellung fluorierten aromatischen Verbindung
11/11/1992EP0512416A2 Homochiral diphosphines
11/11/1992EP0512352A2 Substituted carboxylic acid derivatives
11/11/1992EP0307457B1 Improved vapor phase bromination of aromatic compounds
11/11/1992CN1066009A Reactivation of hydroformylation catalysts
11/11/1992CN1019010B Process for preparing substituted beta-diketones
11/11/1992CA2068275A1 Magnesium-aluminium complex compounds, process for preparing the same and process of aldol condensation dehydration products using the same
11/10/1992US5162588 Aromatic compounds, a process for preparation thereof and use of same as perfuming ingredients
11/10/1992US5162586 Enantioselective addition of hydrocarbons to alpha,beta-unsaturated carbonyl compounds
11/10/1992US5162577 Process for lithiation of 1,3-bis(trifluoromethyl)benzene
11/10/1992US5162552 Reacting a glyoxal monoacetal with an aldehyde in presence of a secondary amine and an acid
11/10/1992US5162285 Preparing catalyst for the catalytic oxidation of olefins to carbonyl compounds
11/10/1992CA2068076A1 Substituted carboxylic acid derivaties
11/10/1992CA1310021C Procedure for producing alcohols and aldehydes from alkenes and synthesis gases
11/05/1992DE4123585C1 Fluoroolefin for insecticide and nematocide - prepd. by reacting fluoroolefin intermediate with phosphonium salt in base, for high acaricidal activity
11/04/1992WO1992020163A1 Transmitter filter with integral directional coupler for cellular telephones
11/04/1992EP0511233A1 Method of preparation of ketones.
11/03/1992US5160731 Unsaturated ketones containing ester or amide groups, UVA and UVB absorbers
11/03/1992US5160497 Phenol production process
11/03/1992CA1309729C Liquid phase isomerization of iodoaromatic compounds
10/1992
10/29/1992WO1992015601A3 Heteroanthracycline antitumor analogs