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7396961 |
Process for catalytically decomposing organic hydroperoxides
The present invention relates to a process for decomposing organic hydroperoxides in the presence of a catalyst. It provides a process for decomposing organic hydroperoxides in the presence of a...
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7378557 |
Methods for preparing isolongifolenone and its use in repelling arthropods
A method for making isolongifolenone involving reaction (−)-isolongifolene with chromium hexacarbonyl and t-butyl hydroperoxide. Also the use of isolongifolenone to repel arthropods by treating...
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7282611 |
Process for the preparations of a mixture of alcohols and ketones
The present invention provides a process for the preparation of a mixture of alcohols and ketones by the liquid phase oxidation of isoalkanes to alkyl hydroperoxides with simultaneous transfer of...
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7250537 |
Method of hydrogenating phenol
The present invention provides a novel method of hydrogenating a phenol for hydrogenating a phenol industrially advantageously. The present invention relates, in the case of phenol hydrogenation in...
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7214837 |
Process for preparation of a mixture of alcohols and ketones by liquid phase oxidation of higher alkanes
The present invention provides a process for the production of a mixture of alcohols and ketones by the liquid phase oxidation of higher alkanes using a catalyst system consisting of transition...
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7166750 |
Process for the preparation of 5-[(4-chlorophenyl)methyl]-2,2-dimethylcyclopentanone
5-[(4-chlorophenyl)methyl]-2,2-dimethylcyclopentanone is produced by
reacting 1-[(4-chlorophenyl)methyl]-3-methyl-2-oxocyclopentanecarboxy
lic acid methyl ester or...
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7041854 |
Process for the preparation of an xanthophyll
The present invention relates to a process for the preparation of an xanthophyll, and in particular to a process for the preparation of an xanthophyll through the oxidation of a carotenoid in the...
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6958421 |
Salt-free preparation of cyclobutanone
A salt-free process for preparing cyclobutanone, including isomerizing cyclopropylmethanol, preferably in aqueous solution, in the presence of an acidic heterogeneous catalyst to form cyclobutanol...
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6814867 |
Process for reducing chromium in nonvolatile residue resulting from air oxidation of cyclohexane
Disclosed herein is a process for reducing or substantially eliminating chromium in non-volatile residue obtained from a certain processes, and particularly from cyclohexane oxidation processes.
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6806390 |
Hydroperoxide decomposition catalyst
An improved catalytic process for decomposing alkyl or aromatic hydroperoxides is disclosed which utilizes a caalytic amount of a heterogeneous Au catalyst that has been treated with an...
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6806389 |
Catalyst for Pauson-Khand reaction
The invention relates to the use of an immobilized transition metal carbonyl complex as a catalyst in the Pauson-Khand reaction and to processes using such as catalyst.
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6703529 |
Process for oxidation of cyclohexane
Disclosed herein is a process for the production of a mixture of cyclohexanone and cyclohexanol by oxidation of cyclohexane and decomposition of cyclohexyl hydroperoxide.
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6630075 |
Use of fluorinated ketones in fire extinguishing compositions
Fire extinguishing compositions and methods for extinguishing, controlling, or preventing fires are described wherein the extinguishing agent is a fluorinated ketone having up to two hydrogen...
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6551988 |
Fragrance compounds
4,8-cyclododecadienyl ketones having formula (I), in which R has up to 5 carbon atoms, are novel compounds exhibiting woody/amber odor characteristics which find use in perfumes and in perfumed...
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6500972 |
Synthesis of TMBQ with transition metal-containing molecular sieve as catalysts
A method of oxidizing trimethylphenol (TMP) to trimethylbenzoquinone (TMBQ) by various molecular sieves containing various transition metals. In this method, TMP, a molecular sieve containing a...
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6476274 |
Method of producing cyclobutanone
The invention relates to a process for preparing cyclobutanone by oxidizing cyclobutanol with an alkali metal hypochlorite or alkaline earth metal hypochlorite in the presence of an acid.
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6469215 |
Process for the production of an intermediate mixture of β-isophorone epoxide and its isomer 4-hydroxyisophorone (HIP)
A process for the production of an intermediate mixture of β-isophorone epoxide and its isomer 4-hydroxyisophorone (HIP), comprising reacting β-isophorone with an organic percarboxylic acid, in...
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6288281 |
Direct carbonylation of paraffins using an ionic liquid catalyst
A process for the carbonylation of saturated hydrocarbons to give an oxygenated saturated hydrocarbon is disclosed and claimed. The process involves using an acidic ionic liquid catalyst to...
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6284927 |
Hydroperoxide decomposition process
An improved process for decomposing alkyl or aromatic hydroperoxides to form a decomposition reaction mixture containing the corresponding alcohol and ketone. The improvement relates to decomposing...
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6252119 |
Copper-catalysed allylic oxidation using alkyl hydroperoxide
Δ5-7-oxo-steroids are efficiently prepared from Δ5-steroids using t-BuOOH in the presence of a copper catalyst, such as cuprous and cupric salts and copper metal.
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6200786 |
Process for the preparation of nootkatone by laccase catalysis
A method of producing nootkatone by laccase catalyzed oxidation of valencene. Valencene and a composition having laccase activity are reacted in the presence of an oxygen source, at a valencene...
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6191311 |
Hydroperoxide decomposition processes
An improved process for decomposing alkyl or aromatic hydroperoxides to form a decomposition reaction mixture containing the corresponding alcohol and ketone. The improvement relates to decomposing...
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6028193 |
Method for producing aryl aklyl hydroperoxides
A method for producing aryl alkyl hydroperoxides which comprises selectively oxidizing an aryl alkyl hydrocarbon having the formula: ##STR1## wherein P and Q are hydrogen or an alkyl and may be the...
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6008415 |
Cyclohexane oxidation
Cyclohexane is catalytically oxidized to produce cyclohexanol and cyclohexanone and precursors of these products. The oxidation is carried out in a liquid oxidation reactor at high oxygen...
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5959153 |
Process for decomposing cycloalkylhydroperoxide
Process for decomposing a mixture containing cycloalkylhydroperoxide, which mixture includes an organic phase and an aqueous phase wherein, during the decomposition, at least one compound is...
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5922920 |
Catalytic production of aryl alkyl hydroperoxides by polynuclear transition metal aggregates
A method is provided for preparing organic hydroperoxides by oxidizing aryl alkyl hydrocarbons having a benzylic hydrogen with an oxygen containing gas using as a catalyst an oxo (hydroxo) bridged...
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5907065 |
Method of producing β-isophorone by the isomerization of α-isophorone
A method of producing 3,5,5-trimethylcyclohexa-3-ene-1-one (β-isophorone) by isomerization of 3,5,5-trimethylcyclohexa-2-ene-1-one (α-isophorone) in a liquid phase in the presence of a...
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5905173 |
Process for decomposing cycloalkyl hydroperoxide
The invention relates to a process for decomposing a mixture containing cycloalkyl hydroperoxide with an aqueous phase containing alkali metal hydroxide where, besides the alkali metal hydroxide,...
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5900513 |
Production method of 2-cyclohexene-1-ol
The present invention provide a method for producing 2-cyclohexene-1-ol which comprises using a catalyst containing an inetermetallic compound of palladium and lead and/or bismuth when cyclohexenyl...
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5892123 |
Process for reproducing a mixture containing cyclododecanone and cyclododecanol
A method is disclosed for catalytically decomposing cyclododecyl hydroperoxide into cyclododecanone and cyclododecanol using a chromium catalyst.
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5859301 |
Process for preparing alkanones and alkanols
An improved process for preparing alkanones and alkanols by oxidizing an alkane and/or alkene having from 3 to 30 carbon atoms to form an oxidation mixture containing alkylhydroperoxide. A basic,...
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5767320 |
Process for the oxidation of cyclohexane to a mixture of cyclohexanone and cyclohexanol
Cyclohexane is oxidized to a mixture of cyclohexanone and cyclohexanol by reaction with oxygen in the presence of a metal complex of phthalocyanine or porphyrin wherein some or all of the hydrogen...
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5756852 |
Co-oxidation of H.sub.2 S and saturated hydrocarbons
Process for the catalytic oxidation of a saturated hydrocarbon to obtain a ketone which involves carrying out the oxidation simultaneously with the oxidation of H 2 S to form elemental sulfur and...
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5741939 |
Process for the copolymerization of carbon monoxide with an olefinically unsaturated compound
A process for the copolymerization of carbon monoxide with an olefinically unsaturated compound comprising contacting the monomers in the presence of a liquid diluent with a catalyst composition...
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5723677 |
Method for hydroperoxide decomposition using novel porphyrins synthesized from dipyrromethanes and aldehydes
The invention comprises a method for the oxidation of alkanes to alcohols and for decomposition of hydroperoxides to alcohols utilizing new compositions of matter, which are metal complexes of...
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5654487 |
Catalyst composition and use in preparing polyketones
Catalyst compositions for preparing polyketones comprising (a) a Group VIII metal compound, containing at least one ligand capable of coordinating to the Group VIII metal, and (b) a boron...
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5616734 |
Process for the catalytic oxidation of aromatic compounds
The invention relates to the use of compounds of the formula I R 1 a Re b O c (I), where a is from 1 to 6, b is from 1 to 4 and c is from 1 to 14 and the sum of a,...
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5545761 |
Method of making ketoisophorone via oxidation of isophorone with tert-butyl hydroperoxide
A method of manufacturing 2,6,6-trimethyl-2-cyclohexen-1,4-dione (ketoisophorone) from 3,5,5-trimethyl-2-cyclohexenone (alpha-isophorone). The alpha-isophorone is reacted with hydroperoxide in a...
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5406002 |
Zeolite catalyst and catalysed reactions
An organophosphine-treated titanium-containing zeolite is a catalyst for hydrocarbon oxidation.
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5334768 |
Process for the production of a cycloalkanone and/or a cycloalkanol
The invention relates to a process for the preparation of cycloalkanone and optionally cycloalkanol by causing a mixture containing cycloalkylhydroperoxide to react with cycloalkene under the...
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5298665 |
Process for preparing an alkanone and/or alkanol
The invention relates to a process for preparing an alkanone and/or alkanol by oxidizing an alkane with 3-30 C-atoms, using oxygen, to form an alkyl hydroperoxide, followed by a decomposition of...
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5206441 |
High rate process for preparation of cyclohexanol and cyclohexanone
A process for the conversion of cyclohexyl hydroperoxide to cyclohexanone and cyclohexanol by turbulent high-intensity mixing with aqueous caustic containing a metal salt that accelerates the...
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5149880 |
Nitrogen-containing aromatic heterocyclic ligand-metal complexes and their use for the activation of hydrogen peroxide and dioxygen in the reaction of organic compounds
Nitrogen-containing aromatic heterocyclic ligand-metal complexes and their use for the activation of hydrogen peroxide and dioxgen are disclosed. Processes whereby activated hydrogen peroxide or...
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5133903 |
Process for the preparation of ω-enecarboxylic acid esters
Hydrocarboxyalkylation of α,ω-dienes with carbon monoxide and an alcohol in the presence of a cobalt compound and a tertiary amine gives ω-enecarboxylic acid esters with high selectivity and in...
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5126491 |
Process for oxidating paraffinic compounds
Process for oxidating paraffinic compounds in order to yield the corresponding alcoholic and/or ketonic compounds, which process consists of reacting said paraffins with an aqueous solution of...
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5041682 |
Working up reaction mixtures containing cyclohexanol cyclohexanone and cyclohexyl hydroperoxide
Reaction mixtures which contain cyclohexanol, cyclohexanone and cyclohexyl hydroperoxide and are obtained in the oxidation of cyclohexane with molecular oxygen, or with a gas containing this, in...
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5021607 |
Oxidation of saturated hydrocarbon chains
Saturated hydrocarbon chains are oxidized using a titanium containing silicalite catalyst having an infra red absorption band around 950 cm -1 preferably in solutions, the chains may be alkanes or...
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5004837 |
Process for preparing a cycloalkanone and/or cycloalkanol
The invention relates to a process for preparing a cycloalkanone and/or cycloalkanol by oxidation of a cycloalkane using oxygen to form a hydroperoxide, followed by a decomposition of the...
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4918238 |
Catalytic oxidation of alkanes into alcohol/ketone mixtures
Mixtures of alcohols and ketones are selectively and actively produced by catalytically oxidizing at least one alkane with an organic hydroperoxide, in the presence of a catalytically effective...
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4898984 |
Process for preparing 3,5,5,-trimethyl-4-hydroxy-2-cyclohexen-1-one
A process for preparing 3,5,5-trimethyl-4-hydroxy-2-cyclohexen-1-one, comprising: oxidizing beta-isophorone in the presence of hydrogen peroxide and a weak organic acid at a temperature in the...
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