Patents for C07B 61 - Other general methods (69,072)
12/1989
12/13/1989EP0345330A1 Processes for the production of amines
12/13/1989CN1037890A Process for preparing biphenol a
12/13/1989CN1006068B Process for producing n-acyl-hydroxy and n-acyl-acyloxy aromatic amines
12/13/1989CN1006063B Process for the preparation of hydroquinone clerivatives
12/13/1989CN1006061B Process for manufacturing styrene
12/12/1989US4886923 Metal chloride catalyst and alcohol or acid cocatalyst
12/12/1989US4886919 Gas phase hydrogenation of unsaturated trisubstituted monoesters
12/12/1989US4886917 Alkoxylation using calcium catalysts and products therefrom
12/12/1989US4886906 Process for producing 2,6-naphthalene dicarboxylic acid
12/12/1989CA1263874A1 Processes for the hydrolysis of alkylene oxides using organometalates
12/12/1989CA1263872A1 Preparation of ketones by isomerization of aldehydes
12/12/1989CA1263871A1 Hydroformylation process
12/12/1989CA1263870A1 Preparation of trifluoroacetyl chloride
12/12/1989CA1263869A1 PROCESS FOR PREPARING .alpha.-HYDROXYACIDS
12/06/1989EP0345243A2 Asymmetric hydrogenolysis of epoxides
12/06/1989EP0344835A1 Narrow range alkanol alkoxylates
12/06/1989EP0344775A1 Process for producing 4-benzoyl-5-hydroxypyrazoles
12/06/1989EP0344561A2 Process for the preparation of lower polyvalent alcohols
12/06/1989EP0344494A1 Process for production of 1,1,1-trifluoro-2,2-dichloroethane
12/06/1989EP0221106B1 Process of preparing catalysts for oxydehydrogenation of ethane to ethylene
12/05/1989US4885415 Hydrogenation, dechlorination, catalysis
12/05/1989US4885409 Process for the hydrogenation of bis-phenols
12/05/1989US4885408 Chlorination of ortho-substituted phenols
12/05/1989US4885403 Stirring hydroxy aromatic compound with propargyl halide; etherification
12/05/1989US4885397 Process for the preparation of cyclic ketones by isomerization of epoxides
12/05/1989US4885388 Chemical intermediates for the preparation of herbicides and plant growth regulators
12/05/1989US4885383 Acid catalysis of methanol and mono or diacid below carboxylate boiling point
12/05/1989US4885382 Ester interchange in the presence of a basic catalyst; purity, nondiscoloring
12/05/1989CA1263800A1 Process for the preparation of optically-active cyanomethyl esters
12/05/1989CA1263666A1 Preparation of trifluoroacetate methyl
11/1989
11/30/1989WO1989011478A1 Ruthenium-catalyzed production of cyclic sulfates
11/30/1989WO1989011467A1 Gas-phase fluorination process
11/30/1989WO1989011466A1 Process and apparatus for hydrotreating olefinic distillate
11/30/1989WO1989011465A1 Process for upgrading propene-ethene mixtures in a turbulent fluidized catalyst bed reactor
11/29/1989EP0344043A1 Process for the preparation of citral
11/29/1989EP0343944A2 Process for making 1,3-diols from epoxides
11/29/1989EP0343921A2 Eta phase materials, methods of producing the same, and use therof as catalysts for alcohol synthesis, hydrocarbon synthesis, hydrocarbon hydrogenation and hydrocarbon converion reactions
11/29/1989EP0343917A1 Production of monohydroxy monocyclic acetals and their esters
11/29/1989EP0343916A2 Purification of diphenyl phthalates
11/29/1989EP0343841A2 Synthesis of mixtures of butanediols
11/29/1989EP0343798A1 Preparation of aromatic compounds and derivatives thereof
11/29/1989EP0343707A1 Process for the hydrogenation of chlorofluoroalkenes
11/29/1989EP0343640A2 Process for producing heterocyclic aldehydes
11/29/1989EP0343598A1 Preparation of 4-pentenoates by isomerization
11/29/1989EP0343475A2 Process for producing neopentyl glycol
11/29/1989EP0343437A1 Process for the preparation of cycloalkadienes
11/29/1989EP0343382A1 Method for the production of bis-phenols
11/29/1989CN1037510A Process for preparing cyclic sulfate
11/29/1989CN1037502A Process for preparing cyclohexanol
11/29/1989CN1037501A Process for manufacture of vinyl chloride by conversion of acetylene with hydrogen chloride
11/28/1989US4883906 Recovering product before it cools or comes into contact with water
11/28/1989US4883902 By -product inhibition, ester interchange
11/28/1989US4883894 Process for the production in continuous of phthalodinitrile
11/28/1989US4883893 From bis(trichloromethyl)benzenes and ammonia, dehydration catalyst
11/28/1989US4883887 Sulfone polyene intermediates
11/28/1989US4883882 Isomerization, bonding to heterocycle, cyclization
11/28/1989US4883878 Process for unsymmetrical dithioacetals and dithioketals
11/28/1989US4883612 Preparation of para-acyloxybenzene sulfonates
11/28/1989US4883569 Method for the preparation of a cycloalkyl silane compound
11/28/1989CA1263412A1 Preparation of alkoxy halides
11/28/1989CA1263411A1 Preparation of alkoxy halides
11/28/1989CA1263410A1 Preparation of monoalkylene glycols in two stages
11/28/1989CA1263408A1 Catalytic process for preparing cyclohexanone-oxime
11/28/1989CA1263407A1 Process for the preparation of aldehydes
11/28/1989CA1263396A1 Process for preparing 3-(1,2,3,4-tetrahydro-1- naphthyl)-4-hydroxycoumarin derivatives
11/28/1989CA1263364A1 Production of alkylene oxides and catalysts therefor
11/23/1989EP0343048A1 Process for producing nitrobenzenes
11/23/1989EP0343042A1 Process for the preparation of alkyl malonates
11/23/1989EP0342999A2 Method for maintaining the activity of zeolite catalysts
11/23/1989EP0342777A2 Method for ammoxidation of paraffins and catalyst system therefor
11/23/1989EP0342758A1 Preparation of bisphenols
11/23/1989EP0342616A2 Process for the preparation of aminocyanacetamide
11/23/1989EP0342615A1 Process for the preparation of epoxides
11/23/1989EP0342575A2 Process for the racemisation of optical active D-2-N phenylacetylamino-4-methylphosphino butyric acid
11/23/1989EP0342482A2 Process for the preparation of pyrimidine derivatives
11/23/1989EP0342475A1 Process for production of carboxylic acid esters
11/23/1989EP0342458A2 Process for producing carboxylic acid esters
11/23/1989EP0342454A1 Process for the manufacture of dialkyl disulfides and polysulfides
11/23/1989EP0342218A1 Metallic oxide powders, their mixtures, systems of mixed metallic oxide powders, their mixtures and their use for catalytic dehydration of hydrocarbons
11/22/1989CN1037337A Liquid substituted 2h-benzotriazole mixtures
11/22/1989CN1037331A Process for production of lower dialkyl disulphides
11/22/1989CN1037328A Process for producing 2,2-bis (4-hydroxyphenyl) propane
11/22/1989CN1037283A Shaped catalysts and process
11/22/1989CN1037282A Catalyst for dehydrogenating organic compounds, process for its preparation and its use
11/21/1989US4882307 Process for preparing noble metal-containing zeolites
11/21/1989CA1263122A1 Process for the carbonylation of allenically unsaturated compounds
11/21/1989CA1263121A1 Process for the carbonylation of acetylenically unsaturated compounds
11/21/1989CA1263105A1 Co hydrogenation with molybdenum on wide-pore carbon catalysts
11/16/1989WO1989010913A1 Method of preparing aryl esters of acetic acid
11/16/1989WO1989010912A1 Method of preparing aromatic ethers from iodoaromatic compounds
11/16/1989WO1989010911A1 The production of alcohols and ethers by the catalysed hydrogenation of esters
11/16/1989WO1989010910A1 Manufacture of alkylbenzenes
11/15/1989EP0342084A1 Process for the preparation of methyl acetate from methyl formiate
11/15/1989EP0341907A1 The production of alcohols and ethers by the catalysed hydrogenation of esters
11/15/1989EP0341813A1 Reactor and Process for the oxidation of alkyl aromatic compounds to aromatic carboxylic acids.
11/15/1989EP0341773A1 Process for the preparation of lactones
11/15/1989EP0341694A2 Method for production of 3-exomethylenecepham derivatives
11/15/1989EP0341548A2 Process for the preparation of vicinal diacyloxysubstituted compounds
11/15/1989EP0341514A2 Process for the preparation of asymmetrical biaryle compounds
11/15/1989EP0341393A1 Method for the single step synthesis of methyl-tert.butyl ether from tert.butanol using supported rhenium catalysts