Patents
Patents for C07C 49 - Ketones; Ketenes; Dimeric ketenes; Ketonic chelates (22,686)
08/1990
08/16/1990EP0382206A1 Perfluoroalkyl-containing compound
08/16/1990EP0382078A1 Aromatic keto compounds, their preparation and medicinal as well as cosmetic preparations containing them
08/16/1990EP0381704A1 Process for preparing 2-acetonaphthones
08/16/1990DE3904327A1 Process for the preparation of trans-1,3-substituted cyclobutane derivatives
08/10/1990CA2009096A1 Cyclic triketone compounds and trimethylsilyloxy butadiene ckompounds and their use in the preparation of daunomycinone derivatives
08/10/1990CA2008401A1 Oxidized diphenyleteroalkanes , the preparation and use thereof
08/10/1990CA2008042A1 Diphenylheteroalkyl derivatives, the preparation thereof and drugs and cosmetics prepared therefrom
08/08/1990EP0381477A2 Concentration of water-ketone composition
08/08/1990EP0380783A2 Method for the preparation of 5-chloro-pentan-2-one
08/08/1990EP0380669A1 Isoprenoid derivatives and pharmaceutical preparation containing same
08/08/1990EP0216884B1 Photo-initiator for the photo-polymerization of unsaturated systems
08/08/1990CN1009057B Multitube reactor
08/07/1990US4947002 Odorants; perfumed consumer goods such as deodorant, lotion, cream, shampoo, toothpastes
08/07/1990US4946981 Certain 2-(2-substituted benzoyl)-1,3-cyclohexanediones
08/07/1990US4946861 1,3-dithian-2-ylidenes, their oxides, pharmaceutical compositions, and methods of use thereof
08/07/1990US4946841 Pyridazine 3,5-dihydroxy carboxylic acids and derivatives thereof, the use thereof for hypercholesterolemia
08/07/1990US4946759 Cleavage product under the action of actinic radiation
08/07/1990CA1272448A1 Pharmaceutical composition containing at least one benzonorbornen derivative as active principle
08/01/1990EP0380392A2 Derivatives of benzocycloalkenyl dihydroxyalkanoic acids, methods of making them and phrmaceuticals containing them
08/01/1990EP0380019A2 Methadone fluorescence polarization immunoassay
08/01/1990EP0256097B1 Vinyl compounds and liquid crystal phase
08/01/1990CN1044281A Synthesis and application of diphosphonate ester
08/01/1990CN1044278A Preparation of 1-hydroxymethyloxiranes which are z-substituted in 2-position
08/01/1990CA2003676A1 Concentration of water-ketone compositions
07/1990
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
07/31/1990US4945099 Leukotriene antagonist
07/25/1990EP0379081A2 Process for the preparation of 1-hydroxymethyl oxiranes Z-substituted in position 2
07/25/1990EP0378953A1 Benzylidene azolyl methyl cycloalkane and its use as a fungicide
07/24/1990US4943673 Novel metal-diketone absorbents for olefins
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
07/23/1990CA2008277A1 Methadone fluorescence polarization immunoassay
07/18/1990EP0378389A1 Recovery of hydrogen peroxide
07/18/1990EP0378285A1 Substituted alkenes, processes for their preparation and their use as pesticides
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
07/18/1990CN1043930A Substituted alkene and process of preparation thereof, use in biocides
07/18/1990CA2004489A1 Preparation of 1-hydroxymethyloxiranes which are z-substituted in the 2-position
07/17/1990US4942256 Novel intermediates in the manufacture of novel thromboxane A2 antagonists
07/17/1990US4942180 Anticarcinogenic agents
07/17/1990CA1271780A1 Process for producing 6-hydroxy-2-naphthones
07/17/1990CA1271772A1 Oxidation of organic compounds using ceric ions in aqueous methanesulfonic acid
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
07/11/1990CN1043696A 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
07/10/1990US4940803 Chemical intermediate
07/10/1990US4940797 Process for synthesis of FK-506 C10-C18 intermediates
07/10/1990CA1271495A1 1,1-(3-ethylphenyl)phenylethylene and method for preparing it
07/10/1990CA1271490A1 Oxidation of organic compounds using thallium ions
07/10/1990CA1271488A1 Process for the preparation of 2-alkyl cyclopent-2- enones
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
07/03/1990US4939305 Alkenyl compounds
07/03/1990US4939303 Chemical intermediates for pyrethroids
07/03/1990US4938792 Azole derivatives and agricultural and horticultural chemical composition containing the same
07/03/1990US4938790 Herbicidal 12-substituted 12H-dibenzo(D,G)(1,3)dioxocin-6-carboxylic acids
06/1990
06/28/1990WO1990006917A1 Novel thromboxane a2 antagonists
06/28/1990WO1990006749A1 Metal complexes having an antineoplastic action, and medicaments containing these complexes
06/28/1990CA2006468A1 Naphthalene derivatives
06/27/1990EP0375452A2 Cycloalkane derivatives
06/27/1990EP0375368A2 Alcohol and ether derivatives
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
06/27/1990CN1043311A Certain 2-(2',3,'4'-trisubstituted benzoyl)-1,3-cyclohexanediones
06/26/1990US4937388 Insecticidal ethers
06/26/1990US4937371 Dihydroxynaphthalene derivatives
06/26/1990US4937370 Absorb uva and uvb wavelength radiation
06/26/1990US4936966 Process for the electrochemical synthesis of alpha-saturated ketones
06/26/1990US4936906 2-acyl-3-hydroxycyclohex-2-en-1-one derivatives
06/26/1990CA1270832A1 Diphenyl ether herbicides
06/26/1990CA1270766A1 Cosmetic compositions containing as active ingredient at least one bicyclic naphtoic compound
06/23/1990CA2006096A1 Cycloalkane derivatives
06/23/1990CA2006094A1 Alcohol and ether derivatives
06/20/1990EP0374015A2 Process for the preparation of brominated organic manganese compounds and their use, specially in the preparation of ketones
06/20/1990EP0373998A1 Propenone oxime ethers, method for their preparation and pharmaceutical compositions containing them
06/20/1990EP0373993A1 Process for the preparation of enolic compounds, and products obtained
06/20/1990EP0373915A1 Novel thromboxane A2 antagonists
06/20/1990EP0373838A2 Ultraviolet radiation absorbing compositions of bis-1,3-diketone derivatives of cyclohexane
06/20/1990EP0373556A2 Sandalwood odorants
06/19/1990US4935560 Novel tetrahydronaphthalene & indane derivatives
06/19/1990US4935532 Hemiacetals
06/19/1990US4935439 Antiviral compositions derived from marine sponge epipolasis reiswigi and their methods of use
06/19/1990US4935144 Concentration of water-ketone compositions
06/16/1990CA2005694A1 Sandalwood odorants
06/15/1990CA2005236A1 Ultraviolet radiation absorbing compositions of bis-1,3-diketone derivatives of cyclohexane
06/14/1990WO1990006295A1 Preparation of biaryl compounds
06/14/1990CA2005392A1 Process for preparing trifluoreothoxy aryl ketones