Patents for C07B 61 - Other general methods (69,072)
01/1988
01/13/1988EP0252408A2 Method for the production of carboxylic acid halides
01/13/1988EP0252402A1 Process for the preparation of (2,2)-paracyclophane and derivatives thereof
01/13/1988EP0252363A1 4-Benzyloxy-3-pyrrolin-2-one, preparation and use in the synthesis of 2,4-pyrrolidinedione
01/13/1988EP0252361A2 Method for the epimerisation of sugars, in particular D-arabinose and D-ribose
01/13/1988EP0252357A2 Process for the preparation of (4-hydroxyphenyl)-4-hydroxy-benzoate, and its use
01/13/1988EP0252353A1 4-Benzyloxy-3-pyrrolin-2-one-1-yl-acetamide, preparation and use
01/13/1988EP0252242A1 Process for the manufacture of C1 to C6 N-alkyl pyrrolidones from succinic-acid anhydride or a C1 to C6 N-alkyl succinimide
01/13/1988EP0252241A2 Method for the preparation of butyloligoglycosides
01/12/1988US4719307 Process for the preparation of β-hydroxyethyl-(1,2,4-triazole) derivatives
01/12/1988US4719304 Cyclization, bromine catalyst
01/12/1988US4719236 Antitumor
01/12/1988US4719195 With polysulfide
01/12/1988US4719051 Oxygenation
01/12/1988US4719049 Anthracene derivatives
01/12/1988US4719047 Antitumor
01/12/1988US4718994 Method for preparing hydroxy compounds of aromatic and heteroaromatic series
01/12/1988CA1231352A1 Method for producing aromatic hydrocarbons
01/12/1988CA1231351A1 Production of aryl alcohols
01/12/1988CA1231349A1 Process for the racemization of optically active aminoacids
01/12/1988CA1231348A1 Synthesis of organic compounds from carbon
01/12/1988CA1231346A1 Process for the carbonylation of olefinically unsaturated compounds with a palladium catalyst
01/12/1988CA1231332A1 Nuclear chloration of aromatic hydrocarbons with a catalytic composition containing a lewis acid and an n-substituted phenothiazine derivative
01/07/1988EP0252043A1 Method for the preparation of 3-n-propyl-xanthine
01/07/1988EP0251953A1 Process for the preparation of dinitroalkyl benzenes
01/07/1988EP0251941A1 Process for preparing paranitrophenol
01/07/1988EP0251728A2 Carboalkoxylation of butadiene to form dialkyl adipate
01/07/1988EP0251597A1 Improved zeolite rho and zk-5 catalysts for conversion of methanol and ammonia to dimethylamine
01/07/1988EP0251552A2 Process for producing aminothiophenols and their derivatives
01/07/1988EP0251547A2 Chiral synthesis of (+)-trans-la-2,3,4A, 5,6-hexahydro-9-hydroxy-4-propyl-4H-naphth-(1,2-B)-1,4-oxazine
01/07/1988EP0251526A2 Catalytic purification of tertiary butyl alcohol
01/07/1988EP0251466A2 Chemical process for the preparation of esters of substituted cyclopropyl caboxylic acids
01/07/1988EP0251351A2 Process for preparing stabilized magnesia and its use in catalytic processes
01/07/1988EP0251262A2 Process for the preparation of perfluoroalkenols
01/07/1988EP0251118A2 Method for the production of N-substituted formamides
01/07/1988EP0251058A2 Process for the racemization of optically active phenoxy-propionic acid esters and their derivatives
01/07/1988EP0251041A1 Process for preparing 2,3,5,6-tetrafluorobenzoic acid and the compounds 2,3,5,6-tetrachloro-4-trifluoromethylbenzoyl chloride and 2,3,5,6-tetrafluoro-4-trifluoromethylbenzoyl fluoride
01/07/1988EP0250981A2 Method for making bisimides
01/07/1988EP0250879A1 Direct catalytic alkylation of mononuclear aromatics with lower alkanes
01/07/1988EP0250872A1 Process for the production in continuous of phtalodinitrile
01/07/1988EP0250823A1 Process for the preparation of organo-oxyhalogenosilanes
01/05/1988US4717784 Total isomerization process with mono-methyl-branched plus normal paraffin recycle stream
01/05/1988US4717783 Tantalum catalysts for the dimerization of olefins
01/05/1988US4717770 Cyclohexanone oxime, zeolites, surface treatment with organosilicon or organogermanium compounds
01/05/1988US4717769 Production of epsilon-caprolactam
01/05/1988US4717703 Process for making ethylene oxide catalyst
01/05/1988CA1231104A1 Process for the preparation of an aromatic hydrocarbon mixture
01/05/1988CA1231086A1 Process for preparing a transition metal-silicate catalyst
12/1987
12/30/1987WO1987007889A1 Asymetric hydrogenation process for carbonyl compounds, and compounds obtained
12/29/1987US4716252 Fluorine-containing organic sulfonic acid acylation catalyst
12/29/1987US4716250 Complexed with rhodium
12/29/1987US4716226 Optically active 4-carbalkoxy-2-azetidinones
12/29/1987CA1230890A1 Process for the preparation of carboxylic acids
12/29/1987CA1230880A1 Process for the production of thiazolyl-2- sulphenamides
12/23/1987EP0250206A2 Process for producing N,O-diacetyl-6-amino-2-naphthol
12/23/1987EP0250189A1 Process for carbonylating alcohol to carboxylic acid, especially methanol to acetic acid
12/23/1987EP0250168A1 Production of glycol ethers
12/23/1987EP0250167A2 Preparation of ketones
12/23/1987EP0250037A2 Process for the preparation of urea derivatives and catalyst system
12/23/1987EP0249978A2 Process for the preparation of hexaaryl bisimidazoles
12/23/1987EP0249976A1 Process for the production of carboxylic acids
12/23/1987EP0249914A1 Xylene isomerization
12/23/1987EP0249913A1 Selective production of para-aromatics
12/23/1987EP0249870A2 Process for the removal of dimethyl ether from methyl chloride
12/22/1987US4714788 Selective etherification, hydrogenation, decomposition
12/22/1987US4714787 Preferential products by contacting reactants with beta type zeolites
12/22/1987US4714781 Process for producing 4-ring-substituted phenyl lower alkyl ketones
12/22/1987US4714773 Zerovalent nickel catalyst, by-product inhibition
12/22/1987US4714771 Process for preparing halogenated trialkyl phosphate esters
12/22/1987CA1230618A1 Preparation of dienes by dehydration of aldehydes
12/22/1987CA1230612A1 Process for the synthesis of o-isopropoxyphenol
12/22/1987CA1230611A1 Process for the preparation of mixtures of acetic acid, propionic acid and butyric acid
12/22/1987CA1230607A1 Process for the preparation of esters
12/22/1987CA1230588A1 Tin containing activated silicon for the direct reaction
12/17/1987WO1987007612A1 16alpha-METHYLATION PROCESS
12/17/1987WO1987007601A1 Catalytic vapor phase process for producing dihydrocarbyl carbonates
12/17/1987WO1987007600A2 Chelate ligands for low pressure hydroformylation catalyst and process employing same
12/17/1987WO1987007598A1 Process for hydrogenating an unsaturated organic compound
12/16/1987EP0249556A1 Process for the preparation of alpha-halogenated organic esters of carbonic acid
12/16/1987EP0249530A2 Process for the preparation of glyoxal monoacetals
12/16/1987EP0249415A2 Production of alkylated hydroxy aromatic compounds
12/16/1987EP0249364A2 Dual catalyst sequential method for production of sorbitol from hydrolyzed starch solution
12/16/1987EP0249352A1 The production of ethers using layered or pillared clay catalysts
12/16/1987EP0249145A1 Process for preparation of N-allyl-piperidine derivatives
12/16/1987EP0248931A1 Process for producing p-chlorobenzenes
12/16/1987CN86103748A Hydroformylation of olefins
12/15/1987US4713490 Process for the preparation of alkylthioacetamidines
12/15/1987US4713485 Process for preparing α-hydroxy-alkanoic acids and compounds obtained by this process
12/15/1987US4713484 Single phase carbonylation of aromatic halides to carboxylic acid salts
12/15/1987US4713483 Process for the production of oxalic acid diesters
12/15/1987US4713476 Reacting di- or polyamine, urea and alcohol
12/15/1987US4713467 Oxidation of dithiocarbamates; metal catalyst; h control
12/15/1987US4713464 Process for production of maleic anhydride
12/15/1987US4713463 Reacting lactam with epihalohydrin in presence of alkali metal hydroxide and phase transfer catalyst
12/15/1987CA1230346A1 Process for the preparation of acylurethanes, and the use thereof
12/09/1987EP0248746A1 Process for the preparation of 4-fluoro-anilines from 4-halogen-nitrobenzenes
12/09/1987EP0248586A2 Process for producing amidine sulfonic acid intermediates for guanidines
12/09/1987EP0248423A1 Process or the acylation of aromatic compounds
12/09/1987EP0248393A1 Method for the preparation of acylated heteroaromatics at zeolithic catalysts
12/09/1987EP0248245A2 2-Fluoroalkenyl-phenyl-sulfonic-acid derivatives
12/09/1987EP0248074A1 Process for the co-production of aromatic carboxylates and alkyl iodides.