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7285684 Process for separating imide compounds  
A reaction mixture obtained by reacting a substrate in the presence of an imide compound having an imide unit represented by the formula (1) can be efficiently separated through crystallization...
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...
7145041 Method for producing saturated alcohols, ketones, aldehydes and carboxylic acids  
The invention relates to a method for catalytically oxidizing unsaturated hydrocarbons to form oxidation products, and to the production of saturated alcohols, ketones, aldehydes or carboxylic...
7087793 Process for producing cycloalkanol and/or cycloalkanone  
The present invention provides a process for producing cycloalkanol and/or cycloalkanone by oxidizing cycloalkane with molecular oxygen in the presence of a heteropolyacid compound comprising a...
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...
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.
6677490 Method for producing alcohol/ketone mixtures  
The invention relates to a method for producing a mixture of alcohols/ketones by decomposing an alkyl hydroperoxide, particularly to a method for producing a cyclohexanol/cyclohexanone by...
6482989 Method for oxidizing alkanes and cycloalkanes with aldehydes in the presence of copper-based catalysts and nitrogen-containing compounds  
A method for oxidizing an alkane, comprising the step of oxidizing said alkane with oxygen in the presence of an aldehyde, a copper-based catalyst and a nitrogen-containing compound. This method...
6468487 Nitration or carboxylation catalysts  
In the presence of an imide compound (e.g., N-hydroxyphthalimide) shown by the following formula (1): wherein R 1 and R 2 represent a hydrogen atom, a halogen atom, an alkyl group, an aryl...
6462239 Oxidation catalyst and oxidation process using the same  
In the presence of (1) an oxidation catalyst comprising a crystalline complex of manganese with an N,N′-disalicylidenediamine (e.g. N,N′-disalicylidene C 2-8 alkylenediamines and...
6433229 Method of producing cyclic, α, β-unsaturated ketones  
Preparation of cyclic, α,β-unsaturated ketones of formula II by dehydrogenation of cyclic ketones which conform to formula I in which n denotes an integer from 1 to 10, and which may be...
6410797 Process for the production of ketoisophorone derivatives and equipment therefor  
In the presence of an oxidizing catalyst, a β-isophorone derivative of the following formula (1) is oxidized in a solvent substantially from acid components (organic carboxylic acids) to form a...
6346651 Process and apparatus for producing ketoisophorone  
β-isophorone is formed by isomerizing α-isophorone in the presence of an isomerizing catalyst (an aliphatic C 5-20 polycarboxylic acid) in an isomerizing-reaction unit 1 . The β-isophorone...
6316676 Process for the preparation of α-diketones from ketols or ketals from ketols  
The process for the preparation of carbonyl compounds of the formula I ##STR1## where R 1 and R 2 are a hydrocarbon radical, or R 1 and R 2 together are an unsubstituted or substituted...
6300521 Process for preparing oxoisophorone  
The present invention relates to a process for preparing 3,5, 5-trimethylcyclohex -2-ene-1,4-dione (oxoisophorone; OIP) by oxidation of 3,5,5-trimethylcyclohex-3-en-1-one (β-isophorone, β-IP)...
6297404 Process for preparing oxoisophorone using additives  
The present invention relates to a process for preparing 3,5,5-trimethylcyclohex-2-ene-1,4-dione (oxoisophorone; OIP) by oxidation of 3,5,5-trimethylcyclohex-3-en-1-one (β-isophorone, β-IP) with...
6229050 Process for the preparation of hydroxyadamantanone derivatives  
The invented process produces a corresponding 5-hydroxy-2-adamantanone derivative by allowing a 2-adamantanone derivative of the following formula (1): ##STR1## wherein each of R a , R b , and R c ...
6166261 Oxidation catalytic system and process for producing ketoisophorone using the same  
In the presence of a catalytic system comprising a cyclic base and a complex of a transition metal with an N,N'-disalicylidenediamine, ketoisophorone or a derivative thereof is produced by...
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.
5874632 Method of producing ketoisophorone  
An improved method of producing 3,5,5-trimethylcyclohex-2-ene-1,4-dione (KIP) by the oxidation of 3,5,5-trimethylcyclohex-3-ene-1-one (β-IP) in the presence of managansalene-like catalysts and...
5847226 Process for the preparation of nootkatone  
A method for preparing nootkatone, nootkatol or mixtures thereof by oxidizing valencene, wherein the valencene is exposed to an oxygenated atmosphere in a suitable reaction medium and in the...
5773635 Preparation of polyenecarbonyl compounds having a high content of the all-E isomer, and of their acetals or ketals  
A process for preparing polyenecarbonyl compounds having a high all-E content and their acetals or ketals by aldol condensation or Horner-Emmons reaction comprises carrying out the reaction, for...
5030739 Process for the catalytic oxidation of isoprenoids having allylic groups  
The invention is directed to a process for the catalytic oxidation of an isoprenoid containing at least one allylic hydrogen atom, which process comprises reacting the isoprenoid with oxygen or an...
4970347 Method of producing 2,6,6-trimethyl-2-cyclohexane-1,4-dione  
A method of producing 2,6,6-trimethyl-2-cyclohexene-1,4-dione. Cu(II)acetylacetonate is used as a catalyst, with a suitable amount of pyridine, in the absence of solvents. The product may be used...
4898985 Process for preparing 3,5,5-trimethylcyclohexa-2-en-1,4-dione  
3,5,5-Trimethylcyclohexa-2-en-1,4-diones is prepared by oxidizing 3,5,5-trimethylcyclohexa-3-en-one with molecular oxygen or a molecular oxygen-containing gas in the presence of an organic base and...
4873364 Process for the preparation of methylene diphenylene diisocyanates and polymethylene polyphenylene poly (diisocyanates)  
An improved process is provided for the preparation of methylene diphenylene diisocyanates (MDI) and polymethylene polyphenylene poly (diisocyanates) by the thermal decomposition of a methylene...
4644084 Preparation of tetrahydroisohumulones  
Tetrahydroisohumulones are prepared from beta-acids without using objectionable organic solvents by treating the beta-acids to form desoxytetrahydrohumulones which are dissolved in an aqueous...
4590296 Process for separation of beta-acids from extract containing alpha-acids and beta-acids  
Beta-acids are separated from alpha-acids in a hop extract without using organic solvents by bubbling CO 2 through an aqueous hop extract having a pH of about 9.6 to about 13 to lower the pH to...
4510321 Autoxidative cleavage of ketones in the presence of pulverized alkali metal hydroxide  
Processes for the autoxidative cleavage of selected ketones such as C 4 -C 10 cycloalkanones having at least one hydrogen or at least one R group on a carbon alpha to the carbonyl carbon or aryl...
4393243 Carotenoid intermediate by an oxidation process  
A process for synthesizing 3,5,5-trimethyl-4-[(E)-3-oxo-1-butenyl]-2-cyclohexen-1-one which is a known intermediate in a process for preparing a carotenoid.
4340763 Winning bitter substances from hops  
The process for producing hulupones by oxidation of lupulones, using an oxygen-containing gas, in a substantially aqueous, alkaline reaction medium is improved by carrying out the reaction using...
4267376 Steroid synthesis  
A compound having the general formula ##STR1## wherein R 1 is a lower alkyl group, R 2 is hydrogen or a lower alkyl group and Y is a protected hydroxyl group, for example,...
4181683 1,7-Octadien-3-one and process for preparing the same  
1,7-Octadien-3-one of the formula: ##STR1## and a process for preparing the same by oxidizing 1,7-octadien-3-ol.
4157352 Process for the manufacture of a cyclopentenedione  
A process for the manufacture of 2,2,4-trimethyl-cyclopent-4-ene-1,3-dione by oxidizing 3,5,5-trimethyl-cyclohex-2-ene-1,4-dione with oxygen or an oxygen-containing gas in the present of a...
4092361 Process for the preparation of 3,5,5-trimethyl-cyclohex-2-ene-1,4-dione  
3,5,5-Trimethyl-cyclohex-2-ene-1,4-dione is prepared by a liquid phase oxidation of β-isophorone using carbon black as catalyst in the presence of a base.
4060555 Process for the production of chlorofluorinated aliphatic ketones  
Chlorofluorinated aliphatic ketones may be effectively produced by an oxychlorofluorination process by reacting a gaseous mixture of a starting material selected from an aliphatic ketone and a...
4046813 Process for producing ketoisophorone  
Process for producing ketoisophorone from β-isophorone by oxidation utilizing a metal salt catalyst and an organic nitrogen base.
4026948 Process for the preparation of 2,2,6-trimethyl-cyclohex-5-en-1,4-dione  
Process for the preparation of a diketone derivative useful as perfuming and taste-modifying agent as well as intermediate for the preparation of compounds having utility in the pharmaceutical and...
4026947 Process for the oxidation of β-isophorone  
A process for the oxidation of β-ethylenically unsaturated ketones, especially β-isophorone, is provided whereby the ketone is oxidized with a source of molecular oxygen in an organic liquid...
4018827 Process for the preparation of cycloalkane-1,2-diones  
Cycloalkanones (C 5 -12) are converted to the corresponding 1,2-cycloalkanediones by autoxidation in the presence of a base catalyst (potassium t-butoxide preferred) and a polar organic solvent.
4013721 Process of catalytic oxidation of lupulones to hulupones  
A method for the production of hulupones by oxidizing lupulones with oxygen in the presence of a catalyst in a polar alkaline medium. The catalysts used include noble metals, oxides of transition...
4010205 Process for the preparation of a diketone derivative  
Process for the preparation of a diketone derivative useful as perfuming and taste-modifying agent as well as intermediate for the preparation of compounds having utility in the pharmaceutical and...
3962147 Perfume composition containing 6,10 dimethyl - spiro [4.5]decane-type compounds  
Use of bicyclic compounds, some of which are new, as perfuming and/or flavoring ingredients in the manufacture of perfumes and perfumed products and/or in the preparation of artificial flavors for...
3960966 Ketoisophorone manufacture  
A process for the manufacture of ketoisophorone by the oxidation of α-isophorone employing oxygen gas in the presence of a catalyst.
3944620 Process for the preparation of oxophorones  
Process for the preparation of a diketone derivative, viz 2,2,6-trimethyl-cyclohex-5-en-1,4-dione, an organoleptically interesting ingredient for the perfumery and the flavour industry, as well as...
3931327 Process for the preparation of a diketone derivative  
Process for the preparation of a diketone derivative useful as perfuming and taste-modifying agent as well as intermediate for the preparation of compounds having utility in the pharmaceutical and...
3673255 CATALYTIC OXIDATIVE DEHYDROGENATION OF KETONES WITH IMPROVED SUPPORTED GOLD CATALYST  
An improvement is provided in a process in which ketones and mixtures of ketones and alcohols having at lest one pair of hydrogen atoms on the alpha and beta carbon atoms are oxidatively...
3607942 SYNTHESIS OF 1-HYDROXY-4-KETO-α-IONONE  
Air oxidation of 4-keto-α-ionone on solid surfaces to produce 4 -(1-hydroxy-4-oxo-2,6,6-trimethyl-2 -cyclohexene-1 -yl)-3-butene-2-one.
3523125 LIQUID PHASE OXIDATIVE DEHYDROGENATION OF ALDEHYDES AND KETONES  
3514475 OXIDATION OF THE ENAMINE OF ALPHA,BETA-UNSATURATED KETONES  
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