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Class 568/338 - Processes of preparing, purifying, or recovering alicyclic ring containing ketones


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Processes which are directly to the preparation, purification,
No. of patents: 107
Last issue date: 10/04/2011


1      
NumberTitleIssue Date
8030523Method for obtaining natural astaxanthin from eggs and gonads of snails
The present invention relates to a process which can effectively extract and purify natural astaxanthin from the eggs and gonads of snails. ...
10/04/2011
7468463Method for producing optically active carbonyl compounds
The present invention relates to a process for preparing optically active aldehydes or ketones which have from 3 to 25 carbon atoms and at least one racemizable stereocenter by catalytic dehydrogenation of the corresponding optically active primary or secondary alco...
12/23/2008
7442841Extraction process
A process for the separation of an alcohol from a non-polar solvent; a ketone from a non-polar solvent; an alcohol from a mixture of a ketone and a non-polar solvent; or a mixture ...
10/28/2008
7432402Partial oxidation using molecular sieve SSZ-74
The present invention relates to new crystalline molecular sieve SSZ-74 prepared using a hexamethylene-1,6-bis-(N-methyl N-pyrrolidinium) dication as a structure-directing agent, and processes employing SSZ-74 in a catalyst. ...
10/07/2008
7414158Process for epimerising cyclohexenyl ketones and its application in Aldol condensation process
Processes for producing intermediate materials used for perfumery, specifically, epimerized cyclohexenyl ketones, are disclosed. Processes for employing the epimerising reaction in an Aldol condensation reaction are also disclosed. ...
08/19/2008
7396961Process 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 catalyst into a mixture of alcohols and ketones, in which the catalyst ...
07/08/2008
7348304Fragrance material
The invention provides a novel fragrance material comprising a compound having the structure (IUPAC name (1R,2S,7R,8R,9S)-2,6,6,9-tetramethyltricyclo-[5.4.0.02,8]undecan-10-one). The novel fragrance material has ...
03/25/2008
7304185Process for production of carbonyl compounds
There is provided a process for the production of carbonyl compounds, characterized by reacting a diol represented by the formula (1); wherein R1, R2, R3 and R4 are the...
12/04/2007
7279604Boron carbide as an effective Friedel-Crafts type catalyst
The compound boron carbide, B4C, is an effective catalyst for the alkylation and acylation of aromatics to produce polybenzyls, ketones, esters and alkyl benzenes. The catalyst boron carbide is also effective in conducting intramolecular Friedel-Crafts ty...
10/09/2007
7214837Process 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 group metal such as palladium and support such as alumina, silica, carbo...
05/08/2007
7202205Processes for making surfactants via adsorptive separation and products thereof
Processes for making particularly branched, especially monomethyl-branched or nongeminal dimethyl-branched surfactants used in cleaning products; preferred processes comprising particular combinations of two or more adsorptive separation steps and, more preferably, ...
04/10/2007
7179943Bicyclic derivatives that modulate voltage-gated potassium channels and methods of use thereof
Bicyclic amide derivatives of formula (I) or tautomers or pharmaceutically acceptable salts thereof or both are provided: Also provided are processes for preparing the bicyclic amide derivatives as well as pharma...
02/20/2007
7157417Hindered ketones as perfuming ingredients
The present invention relates to the perfumery industry. It concerns more particularly a β-γ unsaturated hindered ketone of formula wherein R represents, simultaneously or independently, a C1 to C
01/02/2007
71126984-(c2-6alkoxy)-substituted chalcones as therapeutic agents
The present invention pertains to compounds of the following formula: (1) wherein: RALK is primary or secondary aliphatic saturated C2-6alkyl; each of RB2, RB3, RB4, and RB5 is independently —H, —...
09/26/2006
7087792Partial oxidation using molecular sieve SSZ-71
The present invention relates to new molecular sieve SSZ-71 prepared using a N-benzyl-1,4-diazabicyclo[2.2.2]octane cation as a structure-directing agent, methods for synthesizing SSZ-71 and processes employing SSZ-71 in a catalyst. ...
08/08/2006
7084305Partial oxidation using molecular sieve SSZ-70
The present invention relates to new crystalline molecular sieve SSZ-70 prepared using a N,N′-diisopropyl imidazolium cation as a structure-directing agent, methods for synthesizing SSZ-70 and processes employing SSZ-70 in a catalyst. ...
08/01/2006
7045667Process for producing cycloalkanol and/or cycloalkanone
A process for producing a cycloalkanol and/or a cycloalkanone is provided, the process comprising the step of oxidizing cycloalkane with molecular oxygen in the presence of a mixture of metal oxides and/or a composite metal oxide, each containing cerium and zirconiu...
05/16/2006
7045656Selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups
A process is described for recycling catalysts in the reaction for the oxidation of alcohols and/or ketones to carboxylic acids and more particularly the oxidation of cyclic alcohols and/or cyclic ketones to dicarboxylic acids, such as the oxidation of cyclohexanol ...
05/16/2006
6982234Methods and apparatus for removing catalyst from oxidation reactor effluent
Methods and apparatus for removing a catalyst from a reaction mixture formed by reacting a hydrocarbon or an oxygenated hydrocarbon with an oxidant in the presence of the catalyst in a reactor, in which the reaction mixture contains one or more dibasic acids. The ca...
01/03/2006
6943257Process for preparation of aromatic halides from aromatic amines
The present invention provides a process for preparing an aromatic bromide or aromatic iodide from an aromatic amine derivative using nitrite anion and halodimethylsulfonium halide generated in situ from hydrobromic acid/DMSO or hydriodic acid/DMSO. The process for ...
09/13/2005
6943272Norbornane and norbornene derivatives, use thereof and perfumed products containing same
The invention concerns a novel compounds of formula (I), wherein the dotted line bond is present or not, and wherein R1 represents: when the dotted line bond is present —CHCH3OH or —CHCH3OCOR or —CHCH3XCH2...
09/13/2005
6914109Process for the preparation of 15-pentadecanolide
The invention relates to a process for the preparation of 15-pentadecanolide by hydrogenating 15-pentadecenolide and to its use. ...
07/05/2005
6881870Process for producing adamantanol and adamantanone
There is provided a process for producing adamantanol and adamantanone which comprises reacting adamantane and oxygen in the presence of an oxidation catalyst constituted of a rare earth metal salt and a promoter containing an element selected from group 4 to group ...
04/19/2005
6844470Process for the purification of 1,3-diketones
A process for the purification of 1,3-diketones comprising reacting a 1,3-diketone with an earth metal or alkaline earth metal complexing agent in an organic solvent, isolating, washing and decomposing the resulting complex, and isolating the purified 1,3-diketone.
01/18/2005
6815413Macrocyclic ketones
Lower alkyl- and lower alkylidene-substituted, saturated or unsaturated cyclohexadecanones are grand fragrances with muscone note with which perfumes with new odor notes can be prepared. ...
11/09/2004
6781016Process for the preparation of alicyclic ketones and an alkyl-substituted alicyclic esters
A high-purity alicyclic ketone which is a raw material for an alkyl-substituted alicyclic ester such as an alkyl adamantyl ester compound which is useful as a resist raw material can be obtained by a simple operation such as extraction without a special purification...
08/24/2004
6770618(1S,6R)-2,2,6-Trimethylcyclohexyl methyl ketone and/or (1R,6S)-2,2,6-trimethylcyclohexyl methyl ketone, process for producing the same, and perfume composition containing the same
Trans-2,2,6-trimethylcyclohexyl methyl ketone, including (1S,6R)-2,2,6-trimethylcyclohexyl methyl ketone represented by the formula (1a): and (1R,6S)-2,2,6-trimethylcyclohexyl methyl ketone represented by the formula (1b...
08/03/2004
6699911Catalytic reduction of alkyne compounds
A process is provided for the preparation of cyclohexene derivatives of general formula I or II: ##STR1## in which the substituents R1 and R2 independently of one another are defined as follows: R1 is ##STR2## R2...
03/02/2004
6642418Processes for preparing intermediates
The invention relates to processes for the preparation of compounds of formula (I), wherein R1 and R2 are as defined in the description. ##STR1##...
11/04/2003
6632787Carbonyl compounds, methods of making the same, and their use as fragrances and fragrance-enhancing additives
Carbonyl compounds derived from the reaction of alkyl cyclopentenols and vinyl ethers are described. The carbonyl compounds described have excellent fragrance properties, and their use as fragrances and/or fragrance-enhancing compounds is also described. ...
10/14/2003
6630075Use 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 atoms, alone, or in admixture with a co-extinguishing agent sel...
10/07/2003
6630609Taxane synthesis method and intermediates
A process for the preparation of a composition having the formula: ##STR1## in which a compound having the formula: ##STR2## is treated with a base and a silylating agent....
10/07/2003
6590048Highly active cationic ruthenium and osmium complexes for olefin metathesis reactions
The present invention describes the use of cationic vinylidene, allenylidene and higher cumulenylidene complexes of ruthenium or osmium as catalysts or catalyst precursors for olefin metathesis reactions of all types, as well as to new cationic allenylide...
07/08/2003
6551988Fragrance 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 products. ##STR1##...
04/22/2003
6548711Process for producing 2-vinylcyclododecanone
A process for producing 2-vinylcyclododecanone, the process comprising isomerizing 2-ethylidenecyclododecanone represented by the following formula (1): ##STR1## wherein the wavy line signifies that the double bond is a Z-isomer, an E-isomer or a mix...
04/15/2003
6545185Preparation of ketones from aldehydes
A method and apparatus for the production of ketones via a one-step synthesis from aldehydes. In the method of the invention, an aldehyde, a carboxylic acid, and a source of oxygen, such as water, are allowed to react in the vapor phase in a catalytic tub...
04/08/2003
6528688Prostacyclin derivatives
An improved method is described for making 9-deoxy-PGF1 -type compounds. In contrast to the prior art, the method is stereoselective and requires fewer steps than the known methods for making these compounds....
03/04/2003
6515185Method of producing cyclododecanone and cyclododecanol
Cyclododecanone and cyclododecanol are produced each in high yield by reacting a epoxycyclododecane compound with hydrogen in the presence of a solid catalyst containing (a) catalytic component including a platinum group metal, (b) a promoter component in...
02/04/2003
6500989Preparation of carvone
A process for the preparation of carvone comprises hydrogenating carvoxime in the presence of a selecively poisoned catalyst. Preferred catalysts include noble metals supported on inorganic materials poisoned with a catalyst modifier. In a preferred embod...
12/31/2002
6495725Process for the preparation of optically active enones and intermediates thereof
The present invention provides a simplified and convenient process for the preparation of an optically active enone such as 7,7-dimethyl-6,8-dioxabicyclo-[3,3,0]oct-3-en-2-one. The invention further provides novel optically active intermediate compounds. ...
12/17/2002
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