Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
09/1989
09/26/1989CA1259995A1 Adrenergic amidines
09/21/1989WO1989008688A1 Derivatives of 2,3-difluorobenzoic acid
09/21/1989WO1989008641A1 Preparation of vitamin d2 and vitamin d3, or active vitamin d2 and active vitamin d3, or their derivatives
09/21/1989WO1989008640A1 1beta,7,8-TRIHYDROXYVITAMIN D2, 1beta,7,8-TRIHYDROXYVITAMIN D3 OR THEIR DERIVATIVES, AND PROCESS FOR THEIR PREPARATION
09/21/1989WO1989008638A1 Process for the co-production of aromatic carboxylates and alkyl iodides
09/21/1989WO1989008637A1 Derivatives of 2,3-difluorohydroquinone
09/21/1989WO1989008636A1 Process for the preparation of alkyl 3-alkoxypropionates
09/21/1989WO1989008633A1 Difluorobenzol derivatives
09/21/1989WO1989008632A1 Derivatives of 2,3-difluorophenol
09/21/1989WO1989007597A3 Novel photoactive compounds, processes for their production and intermediates therefor
09/21/1989DE3807957A1 Derivate des 2,3-difluorphenols Derivatives of 2,3-difluorophenol
09/21/1989DE3807872A1 Difluorbenzolderivate Difluorobenzene derivatives
09/20/1989EP0333468A2 Process for production of ester compounds
09/20/1989EP0333373A2 Method for synthesizing acyloxycarboxylic acids
09/20/1989EP0333296A1 Process for the preparation of alkanediols
09/20/1989EP0333282A1 Preparation of optically active N-substituted alanine herbicides
09/20/1989EP0333265A2 Process for synthesis of arylglyoxal arylimines
09/20/1989EP0333142A2 Process for the preparation of (R)-glycidyl esters
09/20/1989EP0333078A1 Method for one-step synthesis of methyl t-butyl ether
09/20/1989EP0333076A1 Method for one-step synthesis of methyl T-butyl ether
09/20/1989EP0332981A2 Process for the preparation of esters of alpha-keto-carboxylic acids
09/20/1989EP0332971A2 Process for the transesterification of short chain alkyl esters of fatty acids
09/20/1989EP0332970A1 Supported catalyst for monocarboxylic acid anhydrides preparation
09/20/1989EP0332969A1 Process for the preparation of monocarboxylic-acid anhydrides
09/20/1989EP0332877A1 Process for preparing bisphenol A
09/20/1989CN1035662A Process for preparation of phenoxyphenylthioureas, phenoxyphenylisothioureas and phenoxyphenylcarbodiimides
09/20/1989CN1035659A 3,3-diarylacrylic acid amides
09/19/1989US4868347 Process for obtaining substituted fluorobenzenes
09/19/1989US4868345 Process for hydrogenation of esters into alcohols
09/19/1989US4868343 Acid catalyzed process
09/19/1989US4868341 Bicyclohexyls
09/19/1989US4868340 Deprotonation of ester, reduction, hydrolysis
09/19/1989US4868338 Method for acylating a naphthalene compound
09/19/1989US4868336 Catalytic oxidation of mercaptan
09/19/1989US4868332 Antithrombotic, antiatherosclerotic, antiischemic
09/19/1989US4868331 Anticoagulants, antiatherosclerotic, antiischemic
09/19/1989US4868329 Esterification, heating
09/19/1989US4868328 Selective oxidative carbonylation of conjugated dienes
09/19/1989US4868326 Process for the preparation of N6 -benzyloxycarbonyl-2,6-diaminopimelamic acid in the L,L or D,D or racemic forms
09/19/1989US4868325 (Meth)-acrylic acid derivatives of triisocyanates in dentistry
09/19/1989US4868324 Solvent extraction
09/19/1989US4868322 From organic hydrosulfide or inorganic sulfide, carbon disulfide, organic halide
09/19/1989US4868310 From unsaturated nitrile and alcohol, amidation, thiolation, halogenation, cyclization
09/19/1989US4868256 Acetylation of phenol; ring substitution of 4-hydroxyacetophenone; esterification; reduction and dehydration
09/19/1989US4868221 Process for the production of methanol and a composition suitable for use as a catalyst in said process
09/19/1989US4868216 Sulfamoyl-substituted phenethylamine derivatives and process of producing them
09/19/1989US4868165 Osteoporosis
09/19/1989US4867904 Bicyclooctane derivatives
09/19/1989US4867849 Purification of alkyl glyoxylate
09/19/1989US4867737 Antiulcer,-secretory and -inflammation agents; gastrointestinal disorders
09/19/1989EP0316426A4 Selective gas-phase isomerization of dimethylnaphthalene: 2,6-dmn triad.
09/19/1989CA1259633A1 Amine production
09/19/1989CA1259631A1 Para-nitrodiphenylamine synthesis
09/19/1989CA1259629A1 Process for the synthesis of o-substituted oxime compounds and the conversion thereof into the corresponding hydroxylamine o-substituted compounds
09/19/1989CA1259627A1 PREPARATION OF .alpha.-ARYLALKANOIC ACIDS
09/19/1989CA1259626A1 Carbamates of iodo substituted alkynes and fungicidal preparations thereof
09/19/1989CA1259620A1 Carbonylation process for the production of aromatic acids and derivatives thereof
09/19/1989CA1259471A1 Catalyst recovery process
09/13/1989EP0332525A1 Process for the preparation of a tertiary alkyl ether by reactive distillation
09/13/1989EP0332522A1 Process for the preparation of unsatured alcohols
09/13/1989EP0332484A1 Process for the preparation of terpenic peroxides, the peroxides thus prepared and their use
09/13/1989EP0332380A2 Process for producing a phenol and/or a cyclohexanone
09/13/1989EP0332289A2 A process for the production of mono-olefins by the catalytic oxidative dehydrogenation of gaseous paraffinic hydrocarbons having two or more carbon atoms
09/13/1989EP0332246A1 Tricyclic amine derivatives
09/13/1989EP0332243A1 Process for preparing normally liquid hydrocarbonaceous products from a hydrocarbon feed containing linear-and branched olefins
09/13/1989EP0332178A1 2-cyclopentenone derivatives
09/13/1989EP0332124A2 Process for the preparation of halogenated aromatic compounds
09/13/1989EP0332064A2 Benzocycloheptene derivatives, pharmaceutical preparations containing these compounds and process for their preparation
09/13/1989EP0332038A2 Tert-alkyl-phenylenediamines
09/13/1989EP0332015A1 Adhesive
09/13/1989EP0332007A1 Derivatives of 2,3-difluorohydroquinone
09/13/1989EP0332001A2 Process for the separation or the purification of essentially methyl-branched saturated C12-C24 fatty acids
09/13/1989EP0331991A2 Gas-phase fluorination process
09/13/1989EP0331988A1 Sulfonium compounds, as well as process for producing active esters and amides used for the production of amides
09/13/1989EP0331983A2 Stilbene derivatives, their preparation and their use in medicines
09/13/1989EP0331846A2 Separation of organic liquids
09/13/1989EP0331845A2 Accelerated preparation of acrylate esters
09/13/1989EP0331844A2 Accelerated preparation of carboxylic acid esters
09/13/1989EP0215860B1 9-halogenprostaglandines, process for their manufacture
09/13/1989EP0161482B1 Fluorinated aniline derivatives and their use
09/13/1989CN1035560A Utilization of detector/conveyer on nuclear model interfacial positions
09/13/1989CN1035510A Process for production of solid sorbitol
09/13/1989CN1035500A 芪衍生物 Stilbene derivatives
09/13/1989CN1035497A Inhibitors of lysyl oxidase
09/13/1989CN1035496A Purification of acetic acid with ozone
09/13/1989CN1035494A Cyclopropane derivatives
09/13/1989CN1035493A Process for hydration of olefins
09/13/1989CN1035492A Process for catalytic hydration of olefins
09/13/1989CN1035491A Process for catalytic hydration of olefins
09/13/1989CN1035447A Acid-resistant catalyst for directly hydrogenating fatty acid into fatty alcohol
09/12/1989US4866207 Process for concentrating an urea solution by evaporation
09/12/1989US4866203 Method for synthesizing a salt of a monoester of citric acid
09/12/1989US4866202 Method for synthesizing a salt of a monoester of citric acid
09/12/1989US4866201 Cyclization acetonylsuccinic acid ester; reacting with organic acid chloride; then rearrangement
09/12/1989US4866198 Calixarene derivatives and use as accelerators in adhesive compositions
09/12/1989US4866190 Reacting a metal hydroxymethanesulfinate with a perhaloalkyl halide
09/12/1989US4866095 1,8-dihydroxy-9-anthrones for treating warts or psoriasis
09/12/1989US4866048 Novel vitamin D analogues
09/12/1989US4866020 Lithiated clays and uses thereof
09/12/1989US4865774 Surface-active hydroxysulfonates
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