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Class 568/347 - Oxy containing reactant


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Processes wherein the compound is prepared by reacting an
No. of patents: 198
Last issue date: 06/01/2010


1          
NumberTitleIssue Date
7728177Optically active 3-methylcyclopentadecanone and method for producing intermediate thereof
Disclosed is a method for producing an optically active 3-methylcyclopentadecan-1-one which is characterized in that 2-cyclopentadecen-1-one is subjected to a 1,4-conjugate addition reaction of a methyl group by using a methylated organic metal in the presence of a ...
06/01/2010
7479574Method of producing macrocyclic ketone, and intermediate thereof
A process for producing muscone by methyl addition to the 1,4-conjugation of 2-cyclopentadecenone. By the process, muscone is produced in high yield not under reaction condition including an extremely low temperature and a low concentration but under practical condi...
01/20/2009
7439402Method for producing quinone compound
A method for producing menatetrenone that does not have a deleterious influence on the environment, that is safe even when applied to large-scale production, and that is also simple to operate, wherein a compound represented by the following formula (1)
10/21/2008
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
7235700Process for producing cyclohexenone long-chain alcohols
A process for producing cyclohexenone long-chain alcohol represented by the following formula (1): (wherein A represents a C10-C18 alkylene or alkenylene group, and each of R1, R2, and R3 individually represents hydrogen or methyl), ...
06/26/2007
7229657Dulce de leche-flavored fat-based confection, method for making the same and confectionery candies making use of the same
A dulce-flavored fat-based confection possessing a smooth and creamy mouthfeel and a thermally generated flavor and suitable for use in candy-shelling is provided. A method of making such a dulce-flavored fat-based confection is also disclosed. ...
06/12/2007
7227044Cycloalkanone composition
The present invention relates to a cycloalkanone composition which contains cycloalkanone (1) in an amount of 70 wt % or more based on the composition, wherein the content of a dimer of a cycloalkanone represented by formula (2) is 0.055 or less in terms of weight r...
06/05/2007
7067703Manufacture of retinoids
A process for the manufacture of retinal (I) comprises reacting a 5-(2,6,6-trimethyl-cyclohex-1-enyl)-1,4-pentadiene derivative (IIa) or a 5-(2,6,6-trimethyl-cyclohex-2-enyl)-1,4-pentadiene derivative (IIb) or a 5-(2,6,6-trimethyl-2-cyclohexen-1-ylidene)-1-pentene d...
06/27/2006
7060859Use of a solid hydrotalcite structure incorporating fluorides for basic catalysis of Michael or Knoevenagel reactions
The invention concerns the use of a solid basic catalyst comprising a hydrotalcite structure wherein part at least of the compensating anions are fluoride anions F− for producing Knoevenagel of Michael condensation reactions. The invention also concerns...
06/13/2006
7056549Bittering of beer
Iso-α-acids and reduced iso-α-acids in their free acids states are converted into mobile resins by the addition of concentrated solutions of alkali metal hydroxides. The products may be used in brewing for the bittering of beer and are most effectively used in an ...
06/06/2006
7041854Process 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 presence of hydrogen peroxide and an iodine-containing compound. In pa...
05/09/2006
7015247Ibuprofen-aspirin, hydroxymethylacylfulvene analogs and L-sugar illudin analogs
Ibuprofen-aspirin compounds useful in treating aspirin or ibuprofen-treatable conditions, hydroxymethylacylfulvene analogs useful as antitumor drugs, and L-sugar illudin analogs useful as antitumor drugs. ...
03/21/2006
7012161Compound, fluorine-containing polymerizable cyclic olefin compound
There is disclosed a fluorine-containing polymerizable cyclic olefin compound that has one or more partial structures represented by the following general formula (1) or (2). There can be provided a novel fluorine-containing polymerizable cyclic olefin compound whic...
03/14/2006
6969776Process for producing fluorinated ketone
The present invention provides a process whereby fluorinated ketones of various structures can be produced by short process steps and which is useful as an industrial production process. Namely, it is a process for producing a fluorinated ketone of the follow...
11/29/2005
6872854Complexes of metal salts of organic acids and beta-diketones and methods for producing same
Metal salts of organic acids complexed with β-diketone compounds are multifunctional complexes useful in the formulation of stabilizers for halogenated resins. These complexes may be used jointly with other low toxicity intermediates, such as zinc or magnesium inte...
03/29/2005
6861563Process for preparation of cyclododecanone
In the process for producing a cyclododecanone by isomerizing an epoxycyclododecane-containing starting material in the presence of an isomerization reaction catalyst containing lithium bromide and/or lithium iodide, in order to perform the reaction with high effici...
03/01/2005
6828464Preparation of cyclopentenones
The present invention provides a process for preparing 2-cyclopentenones of the general formula: where R1 to R4 are each hydrogen atoms or are alkyl or alkenyl radicals having from 1 to 12 carbon ...
12/07/2004
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
6803488Process for producing fluorinated ketone
The present invention provides a process whereby fluorinated ketones of various structures can be produced by short process steps and which is useful as an industrial production process. Namely, it is a process for producing a fluorinated ketone of the follow...
10/12/2004
6787655Asymmetric 1,4-reductions of and 1,4-additions to enoates and related systems
One aspect of the present invention relates to methods for the transition-metal-catalyzed asymmetric 1,4-addition of a nucleophile, e.g., hydride, to cyclic and acyclic enoates and enones. In certain embodiments of the methods of the present invention, the transitio...
09/07/2004
6703528Process for producing carbonyl or hydroxy compound
There are disclosed are a method for producing at least one compound selected from a carbonyl compound and a hydroxy adduct compound by an oxidative cleavage or addition reaction of an olefinic double bond of an olefin compound, which contains rea...
03/09/2004
6703527Method for oxidation of allyl alcohol
Allyl alcohols are converted into corresponding aldehydes or ketones in a high yield under a mild condition by using an inexpensive aluminum alkoxide as an Oppenauer oxidation catalyst and a hydride acceptor. Thus, there is provided an industrially useful...
03/09/2004
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
6670509Conversion of organic substrates to oxygenates or olefins using a bicyclo imide promoter
A process for oxygenating organic substrates such as aliphatic hydrocarbons has been developed. The process involves contacting the organic substrate with oxygen in the presence of a bicyclo imide promoter and a metal co-catalyst. The process is preferabl...
12/30/2003
6639113Production of dry powders of one or more oxygenated carotenoids
A process is described for preparing dry powders of one or more oxygenated carotenoids by a) dispersing one or more oxygenated carotenoids in an aqueous molecular dispersion or colloidal dispersion of a protecting colloid and b) converting the dispersi...
10/28/2003
6590111Selective 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: ##STR2## R2 is OH or a...
07/08/2003
6583322Dihydro and hexahydro isoalpha acids having a high ratio of trans to cis isomers, production thereof, and products containing the same
This invention describes heretofore unknown forms of dihydro (DHIA) and hexahydro (HHIA) isoalpha acids having a high ratio of trans to cis isomers and a process for their production. Also, non-precipitating clear 5, 10, 20% and higher aqueous solutions t...
06/24/2003
6559343Process for producing 2,2,4,4-tetra-substituted 1,3,5-cyclohexanetriones
Process for the preparation of 2,2,4,4-tetrasubstituted 1,3,5-cyclohexanetriones of the formula I, ##STR1## by reaction of a cyclobutane-1,3-dione of the formula II ##STR2## with an O or N nucleophile and a silylating reagent, and subsequent acetylat...
05/06/2003
6521796Dihydro and hexahydro isoalpha acids having a high ratio of trans to cis isomers, production thereof, and products containing the same
This invention describes heretofore unknown forms of dihydro (DHIA) and hexahydro (HHIA) isoalpha acids having a high ratio of trans to cis isomers and a process for their production. Also, non-precipitating clear 5, 10, 20% and higher aqueous solutions t...
02/18/2003
6518461Method of continuously producing a cyclododecanone compound
A cyclododecanone compound is continuously produced by an isomerization reaction of a corresponding epoxycyclododecane compound in the presence of a catalyst including lithium bromide and/or lithium iodide, the isomerization reaction being carried out by ...
02/11/2003
6500990Method for producing jasmonate derivatives and intermediates thereof
A process for efficiently producing a 2-alkyl-2-cyclopentenone comprising reacting an amine and a hydrogen halide, which are present in a ratio ranging from 1.1:1 to 5:1, with a 2-alkylidene cyclopentanone to carry out an isomerization reaction. A process...
12/31/2002
6465664Asymmetric 1,4-reductions of and 1,4-additions to enoates and related systems
One aspect of the present invention relates to methods for the transition-metal-catalyzed asymmetric 1,4-addition of a nucleophile, e.g., hydride, to cyclic and acyclic enoates and enones. In certain embodiments of the methods of the present invention, th...
10/15/2002
6433229Method of producing cyclic, ଱, ଲ-unsaturated ketones
Preparation of cyclic, ଱,ଲ-unsaturated ketones of formula II by dehydrogenation of cyclic ketones which conform to formula I ##STR1## in which n denotes an integer from 1 to 10, and which may be substituted, at elevated temperature in the pres...
08/13/2002
6433230Process for conducting an aldol condensation
଱,ଲ-Unsaturated keto compounds are prepared by base-catalyzed aldol condensation of aldehydes and/or ketones having from 1 to 15 carbon atoms, comprising: reacting the aldehydes and/or ketones with an aqueous catalyst solution under adiabatic ...
08/13/2002
6410795Process for base-promoted condensation reactions and base reagent therefor
A method for the preparation of 1,3-diketones is disclosed wherein the method comprises the steps of: (A) mixing an alkali metal base with a hindered alcohol in an aromatic hydrocarbon solvent; (B) boiling the mixture and azeotropically distilling water formed...
06/25/2002
6376717Preparation of astaxanthin
The present invention provides a method for preparing astaxanthin from zeaxanthin. Specifically, the present invention provides a method for said conversion using a halogenating agent with the salt of chloric or bromic acid in an inert solvent....
04/23/2002
6372946Preparation of 4,4'-diketo-ଲ-carotene derivatives
A method of preparing ଲ-carotene derivatives such as canthaxanthin and astaxanthin is described. The method employs an in situ system to generate hypobromous acid as the oxidizing agent using a salt of sulfite, hydrogen sulfite or bisulfite in combi...
04/16/2002
6350917଱-crystal of cyclopentenone
Crystals of trans-4,5-dihydroxy-2-cyclopenten-1-one of an ଱-type....
02/26/2002
6331653Process for producing 3,4-dihydroxy-3-cyclobutene-1,2-dione
The present invention provides a method for manufacturing 3,4-dihydroxy-3-cyclobutene-1,2-dione represented by the following general formula (III) (usual name: "squaric acid") through the following reaction processes 1~4, using a vinyl ether represented b...
12/18/2001
6313352Process for producing canthaxanthin
The present invention provides a process for producing canthaxanthin by mixing ଲ-carotene with an alkali metal chlorate or an alkali metal bromate in water and an organic solvent immiscible with water; adding an iodine halide or iodide; and adding a...
11/06/2001
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