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Class 568/823 - Unsaturation in the ring


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Compounds wherein the ring is partially unsaturated.
No. of patents: 83
Last issue date: 11/22/2011


1      
NumberTitleIssue Date
8063254Method for production of reduced coenzyme Qusing water-containing organic solvent
The present invention aims to provide reduced coenzyme Q10, which is useful as food, food with nutrient function claims, food for specified health use, nutritional supplement, nutritional product, animal drug, drink, feed, cosmetic, pharmaceutical product, therapeut...
11/22/2011
7875751Method for the purification of carotenoids from plant extracts and the products so obtained
A novel process for the preparation of highly purified carotenoids from plant extracts, especially the marigold flower extracts, is disclosed. The process includes the formation, isolation and purification of carotenoids, primarily lutein and zeaxanthin, at lower te...
01/25/2011
7442828Precursors to fluoroalkanol-containing olefin monomers, and associated methods of synthesis and use
The invention provides alkene fluoroalkanol and fluorinated polyol precursors to fluoroalkanol-substituted α,β-unsaturated esters. The fluoroalkanol-substituted α,β-unsaturated esters are olefins that can be readily polymerized to provide fluoroalkanol-substitut...
10/28/2008
7323607Process for preparation of (+)-p-mentha-2,8-diene-1-ol
A process for preparing (+)-p-mentha-2,8-diene-1-ol comprising reacting (+)-limonene oxide with at least one amine in the presence of at least one Lewis acid to form amine adduct intermediates. The amine adduct is then oxidized to form an N-oxide that is pyrolized t...
01/29/2008
7208639Method of producing reduced coenzyme Qas oily product
The present invention provides a method for obtaining reduced coenzyme Q10 which is useful as an ingredient in foods, functional nutritive foods, specific health foods, nutritional supplements, nutrients, drinks, feeds, cosmetics, medicines, remedies, pre...
04/24/2007
7153979Triterpene derivatives and remedies for liver diseases
A triterpene derivative useful for the treatment of hepatic disorders is disclosed. This compound comprises as an active ingredient a triterpene derivative represented by the following formula (I) or a salt thereof:
12/26/2006
7145044Method of producing reduced coenzyme Qusing solvent with high oxidation-protective effect
The present invention relates to a method of conveniently and efficiently producing reduced coenzyme Q10 having excellent qualities which is useful in foods, functional nutritive foods, specific health foods, nutritional supplements, nutrients, drinks, fe...
12/05/2006
7132391Ethers of 2,2,4-trimethylpentane-1,3-diol as fragrance materials
An alkyl gycol ether having the following formula wherein R is a C1–C7 saturated, unsaturated, straight-chain or branched, acyclic or cyclic alkyl group, is useful as a fragrance material ...
11/07/2006
7105709Method of producing reduced coenzyme q10
The present invention relates to a method of conveniently and efficiently producing high-quality reduced coenzyme Q10 which is useful as an ingredient in foods, functional nutritive foods, specific health foods, nutritional supplements, nutrients, animal ...
09/12/2006
7078570Substituted cyclohexenes
The present invention relates to substituted cyclohexenes, to their use as well as to their preparation method. These compounds have powerful long lasting natural fruity grapefruit notes with minty and fresh green tonalities. ...
07/18/2006
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
6951964Method for producing macrocyclic ketones
The present invention relates to a novel thermo-isomerization method for rapidly and simply producing macrocyclic ketones of the formula Ia or Ib. The macrocyclic ketones are prepared in the gas phase at temperatures abo...
10/04/2005
6894198Granular akali metal alkoxides and alkaline earth metal alkoxides
An alkali metal alkoxide or alkaline earth metal alkoxide in granular form. ...
05/17/2005
6867335Uncatalysed addition reactions
The present invention relates to process wherein (+)-2-carene epoxide is coupled with a compound X—Y that contains nucleophilic and electrophilic moieties, to produce a compound of formula (5). The reaction mixture consists essentially of a source of (+)-2-carene ...
03/15/2005
6759557Melanin production inhibitors and skincare products containing such inhibitors
A melanin synthesis inhibitor composition containing at least one macrocyclic compound represented by Formula (1) wherein X is a group selected among the groups consisting of C═O; CH—OH and O═C—CHOH; R being a ch...
07/06/2004
6717017Total synthesis of antitumor acylfulvenes
The present invention provides a method of synthesizing compounds of formula (I) or (II): wherein R1 is hydrogen, R′ is (C1-C4)alkyl and X is a hydroxyl protecting group. ...
04/06/2004
6559118Fragrance compounds
Novel compounds having the structure (I) where R1 is a lower alkyl group, R2, R3, R4 and R5 is each independently hydrogen or a lower alkyl group, R6 is hydrogen, a lower alkyl group, an al...
05/06/2003
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
6410807Synthesis of cyclohexene dimethanol compounds
A process for producing cyclohexene dimethanol or cyclohexane dimethanol compounds is provided. By controlling the rates of addition of certain reaction components and/or by controlling reaction solution temperatures at specific stages during synthesis, t...
06/25/2002
6376722Lutein to zeaxanthin isomerization process and product
A lutein to zeaxanthin isomerization process which includes a saponification or alkali treatment of a plant extract containing lutein followed by a heating period under controlled conditions, is carried out in the presence of a surface active agent having...
04/23/2002
6303837Process for synthesizing ଱-substituted ring systems
Using the process according to the invention, it is possible to provide, with few reaction steps, a novel route to ଱-substituted ring systems, which optionally have further substituents....
10/16/2001
6245952Reduction of carbonyl compounds by a silane in the presence of a zinc catalyst
The present invention relates to a process for the preparation of alcohols by reduction of the carbonyl function in substrates belonging to the class of aldehydes, ketones, esters or lactones, which substrates may contain unsaturated functions other than ...
06/12/2001
6160184Total synthesis of antitumor acylfulvenes
The present invention provides a method of synthesizing compounds of ##STR1## wherein R and R' are independently (C1 -C4)alkyl....
12/12/2000
6111125Preparation of (1R,4S)-4-hydroxy-1,2,2-trimethylcyclopentyl methyl ketone and derivatives and stereoisomers of this compound
A process for preparing 4-hydroxy-1,2,2-trimethylcyclopentyl methyl ketones of the general formula I, in particular of the (1R,4S)-4-hydroxy-1,2,2-trimethylcyclopentyl methyl ketone of the formula Ia ##STR1## which is required for preparing the ...
08/29/2000
6103940Preparation of zeaxanthin, intermediates for this preparation, and the preparation thereof
Preparing (3R, 3'R)-zeaxanthin of the formula I ##STR1## starting from (4-hydroxy-2,2,6-trimethylcyclohexanone of the formula II ##STR2## via the novel intermediates (4R,6R)-1-formyl-2,2,6-trimethyl-7-oxabicyclo[2.2.1]heptane of the formula ...
08/15/2000
5973211Pigmenting efficiency of a natural xanthophyll by isomerization
A method of isomerizing lutein to yield a mixture of epimers of zeaxanthin includes the following steps: mixing a lutein-containing extract in a glycol solution to obtain a mixture, treating the mixture with alkali to obtain an alkali-containing mixture, ...
10/26/1999
5919986D-homo vitamin D3 derivatives
Compounds of formula I: ##STR1## wherein the dotted carbon-carbon bond in the D-ring is C--C or C.dbd.C; C(R,R) is CH2 or C.dbd.CH2, R1 is H, F or OH, R2 and R3 are each independently C1-4 ...
07/06/1999
5861385Substituted triols
Substituted triols are prepared by reducing appropriately substituted carboxylic esters. The substituted triols can be used as active substances in medicaments....
01/19/1999
5814612Retinol derivatives and uses thereof
The present invention provides a purified retinoid compound characterized by a molecular mass of about 320 daltons and an atomic composition of C20 H32 O3. The present invention also provides a purified retinoid compound h...
09/29/1998
5763689CIS-dihydroxycyclohexadienes and their preparation
This application relates to 3-substituted and 4-substituted cis-diols. Specifically, there are provided 3-substituted diols of formula (II) and 4-substituted cis-diols having (1S, 2R) and (1R, 2S) absolute configurations of formulae (III) and (IV). Also p...
06/09/1998
5648563Retro-alpha-retinol derivative and uses of retro-alpha-retinol
This invention provides a homogeneous retro-retinoid compound, a method of enhancing the growth of a cell in a vitamin A reduced environment, a method for enhancing transcription of a gene regulated by retinoid in a cell, and a method for enhancing an imm...
07/15/1997
5608088Process for producing 3,4-caranediol
A process for producing 3,4-caranediol of the formula [I] includes subjecting 3,4-epoxycarane, which is obtained by epoxidizing 3-carene under specific conditions, to a hydration reaction in the presence of a base catalyst in aqueous ethanol under pressur...
03/04/1997
5523494Process for the isomerization of lutein
A process to obtain a product with a high zeaxanthin content, to be used mainly as an ingredient in poultry feed to enhance the pigmentation of broiler chickens and egg yolk, by reacting at a controlled temperature and pressure, marigold (Tagetes erecta L...
06/04/1996
5521221Retro-଱-retinol (4,14-retro-retinol) derivatives and uses of retro-଱-retinol
This invention provides a purified retro-retinoid compound characterized by a molecular mass of about 302 daltons. Also provided by this invention is a method of enhancing the growth of a cell in a vitamin A reduced environment which comprises contacting ...
05/28/1996
5481034Fluorinated abscisic acid derivatives and plant growth regulator thereof
The present invention provides novel fluorinated abscisic acid derivative represented by formula of: ##STR1## wherein: X is O(CH2)2 O or O; and, R is hydroxymethyl, aldehyde, C1-2 alkoxycarbonyl or carboxyl group. The pres...
01/02/1996
5464866Substituted hydrindanes for the treatment of angiogenesis-dependent diseases
Substituted hydrindanes and their use in controlling angiogenesis-dependent diseases in warm blooded animals are disclosed....
11/07/1995
5426247Process for the preparation of vitamin A and intermediate compounds which are useful for this process
A process for the preparation of vitamin A which preferably comprises bringing cyclogeranyl sulphone into contact with a C10 aldehyde acetal, halogenating the derivative obtained and then removing the halogen group and the sulphone, removing th...
06/20/1995
5382714Process for isolation, purification, and recrystallization of lutein from saponified marigold oleoresin and uses thereof
A method of isolating, purifying and recrystallizing substantially pure lutein, preferably from saponified marigold oleoresin in its pure free form, apart from chemical impurities and other carotenoids. Lutein may be used as an analytical standard or in c...
01/17/1995
5329053Process for the manufacture of known odorants
A novel process is described for the manufacture of a mixture of 6-(2',6',6'-trimethyl-cyclohex-1'-en-1'-yl)-4-methyl-hex-3-en-1-ol and -4-en-1-ol (I) and, respectively, of a mixture of [3a଱,5aଲ,9a଱,9bଲ]-dodecahydro-3a,6,6,9a-tetra...
07/12/1994
5235076Azulenic retinoid compounds, compositions and methods
Novel azulenic retinoid compounds and therapeutic compositions are disclosed, along with method for their production and use as anti-cancer and cancer-prevention agents. The compositions of the present invention will also find use in treating dermatologic...
08/10/1993
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