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RE40938 |
Process 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...
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RE40931 |
Process 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...
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RE40912 |
Process 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...
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7550417 |
Oxygen-containing tri- or tetra-cyclic terpenoid compounds
The use as fragrance ingredient of a compound of formula (I)
wherein R 1 and Y have the same meaning as given in the description, and fragrance applications comprising them.
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7521582 |
Percursors 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...
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7495135 |
Precursors 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...
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7323607 |
Process 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...
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7153979 |
Triterpene 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)...
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7145044 |
Method of producing reduced coenzyme Q10 using solvent with high oxidation-protective effect
The present invention relates to a method of conveniently and efficiently producing reduced coenzyme Q 10 having excellent qualities which is useful in foods, functional nutritive foods, specific...
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7132391 |
Ethers of 2,2,4-trimethylpentane-1,3-diol as fragrance materials
An alkyl gycol ether having the following formula
wherein R is a C 1 –C 7 saturated, unsaturated, straight-chain or branched, acyclic or cyclic alkyl group, is useful as a fragrance material...
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7105709 |
Method of producing reduced coenzyme q10
The present invention relates to a method of conveniently and efficiently producing high-quality reduced coenzyme Q 10 which is useful as an ingredient in foods, functional nutritive foods,...
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7078570 |
Substituted 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...
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7012161 |
Compound, 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...
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6951964 |
Method 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...
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6894198 |
Granular akali metal alkoxides and alkaline earth metal alkoxides
An alkali metal alkoxide or alkaline earth metal alkoxide in granular form.
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6867335 |
Uncatalysed 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)....
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6759557 |
Melanin 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...
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6717017 |
Total synthesis of antitumor acylfulvenes
The present invention provides a method of synthesizing compounds of formula (I) or (II): wherein R 1 is hydrogen, R′ is (C 1 -C 4 )alkyl and X is a hydroxyl protecting group.
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6559118 |
Fragrance compounds
Novel compounds having the structure (I) where R 1 is a lower alkyl group, R 2 , R 3 , R 4 and R 5 is each independently hydrogen or a lower alkyl group, R 6 is hydrogen, a lower alkyl group,...
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6515185 |
Method 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...
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6410807 |
Synthesis 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...
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6376722 |
Lutein 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...
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6303837 |
Process for synthesizing α-substituted ring systems
Using the process according to the invention, it is possible to provide, with few reaction steps, a novel route to α-substituted ring systems, which optionally have further substituents.
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6111125 |
Preparation 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...
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6103940 |
Preparation 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...
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5973211 |
Pigmenting 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...
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5919986 |
D-homo vitamin D.sub.3 derivatives
Compounds of formula I: ##STR1## wherein the dotted carbon-carbon bond in the D-ring is C--C or CC; C(R,R) is CH 2 or CCH 2 , R 1 is H, F or OH, R 2 and R 3 are each independently C...
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5814612 |
Retinol 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 C 20 H 32 O 3 . The present invention also provides...
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5763689 |
CIS-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)...
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5648563 |
Retro-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...
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5608088 |
Process 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...
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5523494 |
Process 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...
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5521221 |
Retro-α-retinol (4,14-retro-retinol) derivatives and uses of retro-α-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...
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5481034 |
Fluorinated 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(CH 2 ) 2 O or O; and, R is hydroxymethyl, aldehyde, C 1 -2...
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5382714 |
Process 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...
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5329053 |
Process 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-e
n-1-ol and -4-en-1-ol (I) and, respectively, of a mixture of...
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5235076 |
Azulenic 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...
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5229425 |
Process of producing reference bactericidal endpoint (RBE) limonene
A process for producing a stable, bactericidal and fungicidal composition which consists essentially of bubbling air or oxygen into limonene, to produce an oxidized limonene having a rapid...
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5149889 |
Composition for use in organolithium synthesis reactions
A process is disclosed for the preparation of tertiary alcohols, alpha-alkyl substituted nitriles, alkyl-substituted imines or tertiary amines by alkylation of a starting material that is a...
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5137921 |
Inhibitory agent of an increase in blood sugar level
There is provided an inhibitory agent of an increase in blood sugar level, comprising conduritol A of the formula(I): ##STR1## or a derivative thereof, as an active component.
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5030772 |
Process for preparing vitamin D.sub.2 compounds and the corresponding 1 α-hydroxylated derivatives
This invention relates to hydroxylated derivatives of vitamin D 2 and a process for preparing such compounds. In particular, a process for preparing the 24-epimer of vitamin D 2 and the...
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4933511 |
Enantioselective preparation of substituted 2-hydroxypent-4-enes using optically-active catalysts
An enantioselective process for the preparation of homoallyl alcohol enantiomer of formula II ##STR1## wherein: X 1 , X 2 and X 3 independently chosen from the group consisting of hydrogen,...
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4720558 |
Process for inverting the configuration of secondary alcohols
Process for inverting the configuration of secondary alcohols in which the hydroxyl group is attached to an asymmetric carbon atom, in accordance with which the secondary alcohols are esterified,...
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4644087 |
Derivative of (-)-6,6-dimethylbicyclo [3.1.1.]ept-2-ene-2-ethanol having mucosecretolytic activity, a process for its preparation and pharmaceutical compositions containing the same
A novel derivative of (-)-6,6-dimethylbicyclo [3.1.1]ept-2-ene-2-ethanol (J. P. Bain, J. Am. Chem. Soc. 1946, vol. 68, page 638) is disclosed. The parent composition is marketed e.g. under the name...
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4626603 |
Process for the continuous production of vicinal diols
Aliphatic or cyclic epoxides containing 3 to 8 carbon atoms which are present in aromatic hydrocarbons or halohydrocarbons are saponified continuously and directly to vicinal diols without the use...
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4605792 |
Derivative of (-)-6,6-dimethylbicyclo[3.3.1]ept-2-ene-2-methanol having mucosecretolytic activity, a process for its preparation and pharmaceutical compositions thereof
A novel derivative of (-)-6,6-dimethylbicyclo[3.3.1]ept-2-ene-2-methanol is disclosed. The compound which is an object of the present invention, is the derivative...
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4596894 |
Mixture of diasteroisomer compounds, as obtained from (-)-5-(1-hydroxy-1-methylethyl)-2-methyl-2-cyclohexene-1-one, having mucosecretolytic activity, a process for its preparation and pharmaceutical compositions containing the same
The object of the present invention are the following diastereoisomer compounds (as derived from (-)-5-(1-hydroxy-1-methylethyl)-2-methyl-2-cyclohexene-1-one
): (I): (1S-5R)...
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4533752 |
Process for reducing aromatic compounds in ethylenediamine with calcium
Olefins are produced by containing an organic compound having at least one benzene ring with ethylenediamine and calcium metal, the calcium metal being used in large excess or alternatively in...
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4460795 |
Process for preparing mono-oxomethyl substituted polyhydrodimethanonaphthalene derivatives
Described are mono-oxomethyl substituted polyhydrodimethanonaphthalene derivatives having the generic structure: ##STR1## wherein the dashed line represents a carbon-carbon single bond or a...
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4433183 |
Process for the preparation of (+)-p-mentha-2,8-dien-1-ol
Multistep process for preparing (+)-p-mentha-2,8-dien-1-ol from (+)-(R)-limonene. New compounds useful as intermediates in said process.
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