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JP3398248B2 |
PURPOSE: To efficiently and readily purify a xanthophyll compound useful for coloring of foods, etc., also from natural product by extracting a xanthophyll compound-containing water-soluble organic solvent solution with a nonpolar solven...
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JP2003513946A |
Omega chain modified 15-HETE derivatives and methods of their use for treating dry eye are disclosed.
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JP2003063945A |
To provide a cosmetic preparation, reducing the depth of wrinkles and improving the surface of a skin, and hence affording a smooth appearance of the skin.The cosmetic contains, as an agent for preventing the generation of wrinkles, at l...
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JP2003506349A |
The present invention relates to a process for the preparation of 13-cis isomer of Vitamin A acid, commonly known as isotretinoin, in a single step.
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JP2002371126A |
To provide an electroconductive polymer hardly bleeding out and deteriorating a dopant, and having good operability. This electroconductive polymer has a phenylene-vinylene structure on the main chain, and a flexible part in the linear m...
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JP3359641B2 |
PCT No. PCT/FR96/01415 Sec. 371 Date May 20, 1998 Sec. 102(e) Date May 20, 1998 PCT Filed Sep. 13, 1996 PCT Pub. No. WO97/10196 PCT Pub. Date Mar. 20, 1997Extracts of the plant Commiphora mukul are used as pigmenting agents and melanocyt...
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JP2002541227A |
The invention relates to a method for oxidizing organic substrates using 1O2 in which hydrophobic organic substrates that react with 1O2 are added to an organic solvent in the presence of a heterogeneous or homogeneous catalyst with 30-7...
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JP2002535389A |
This invention provides a method for synthesizing ethyleneimine dimer which includes reacting 2-(2-aminoethylamino)ethanol with an aqueous HX solution to produce N-(2-haloethyl)-1,2-ethanediamine dihydrohalide; reacting this product with...
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JP2002535388A |
The invention relates to carotenoid degradation products that can be obtained from an extract of Skeletonema costatum. The invention also relates to the use thereof in order to obtain a medicament that has an anti-tumoral effect.
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JP2002302479A |
To provide a method for simply, industrially and advantageously producing an emulsion containing a carotenoid as an active ingredient with good productivity by keeping a total high trans-isomer ratio of the carotenoid.This method for pro...
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JP2002255924A |
To provide a method for producing a disulfone derivative.This method for producing the disulfone derivative represented by general formula 3 (Ar denotes an aryl group which may have a substituent group; the wavy line denotes one of an E/...
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JP2002255931A |
To provide a method for producing a solid preparation of a water-soluble, a slightly water-soluble or a water-insoluble active compound.This method for producing the solid preparation which is made of at least one kind of the water-solub...
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JP2002529448A |
A process for preparing beta-carotene, represented by Formula 3staring from a sulfone compound of Formula B
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JP2002223787A |
To provide a method for extracting and obtaining rutin in high purity and yield from a carotenoid-containing material, especially chlorella algae.This method for obtaining rutin comprises the steps of pulverizing a carotenoid-containing ...
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JP2002522038A |
(57) [Summary] The present invention relates to an in situ process of converting a non-free xanthophyll to a free xanthophyll in a plant biological material. More specifically, the method relates to a method for liberating xanthophylls b...
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JP2002194381A |
To provide a simple and economical method for collecting useful minor components including carotenes, tocotrienols, tocopherol and triglycerides from crude plant oil and fat without destructing the naturally occurring components therein ...
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JP2002193917A |
To provide an industrially advantageous method for producing retinol which is important in the field of medicine, feed additive, food additive and the like.The retinol is produced by reacting an alkyl sulfone derivative shown by general ...
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JP2002520312A |
The invention relates to a process for making vitamin A from ethynyl-retro-alpha-ionol using an allene acetate as intermediate.
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JP2002520339A |
A process for the stereoselective preparation of Grignard compounds of the formula I and polymer-bonded compounds of the formula Ia is described. The process can be used for producing substance reference libraries and the compounds of th...
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JP2002187864A |
To provide a new method for partial reduction of an alkyne compound while avoiding disadvantageous points of the conventional techniques.This method for producing a cyclohexene derivative represented by general formula I or II [R1 is a g...
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JP2002516306A |
The present invention provides a method for preparing a novel class of vitamin D compounds in which the C-25 or equivalent position has a double bond. In addition, the side chain is optionally extended by one or two methylene or methyne ...
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JP2002515481A |
A method of modifying or altering the structure of a 1alpha-hydroxylated vitamin D compound to increase its biological activity by altering the conformational equilibrium of the A-ring to favor a chair conformation that presents the 1alp...
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JP2002514675A |
A process is described for extracting carotenes from carotene-containing materials, in particular from fats and oils of biological origin, which provides for extraction of carotene-containing material with an extractant comprising at lea...
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JP2002514161A |
This invention relates to the novel retinoyloxy(substituted)alkylene butyrate compounds and pharmaceutical compositions containing same, to methods of treating, preventing or ameliorating cancer and other proliferative diseases in a subj...
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JP2002512806A |
The invention relates to a process for the oxidation of substituted trimethylcyclohexenyl compounds in the presence of microorganisms of the order Actinomycetales and to the use of microorganisms in oxidation reactions.
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JP3275025B2 |
PURPOSE: To provide the method for removing a remaining organic solvent from carotene-containing fats and oils by a simple method, the carotene- containing fats and oils being obtained by evaporating the organic solvent from an extractio...
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JP3268076B2 |
PURPOSE: To obtain the compound which is an odorant after obtaining an odorant intermediate by a direct process or 2 step-process from an E,E-6-(2',6',6'- trimethyl-cyclohexa-1'-en-1'-yl)-4-methyl-hexa-2,4-dien-1-al
. CONSTITUTION: The c...
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JP3266719B2 |
PURPOSE: To obtain astaxanthin useful as an fish-feed additive used with the purpose of improving the color of meat in extremely high purity by crystallizing astaxanthin with the use of chloroform as a solvent. CONSTITUTION: Astaxanthin ...
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JP2002053548A |
To provide a method for producing a deuterium-having terpenoid, by which the deuterium-having terpenoid can simply and highly selectively be produced.This method for producing the deuterium-having terpenoid represented by the general for...
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JP2002030068A |
To provide a method for purifying a lutein fatty acid ester, by which the highly pure lutein fatty acid ester having a stable quality is easily purified from a lutein fatty acid ester-containing oleo resin obtained from a plant raw mater...
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JP3249867B2 |
PURPOSE: To obtain astaxanthin at low cost by adding a specific solution of an oxaziridine compound to a canthaxanthin dimetal enolate at a low temperature, reducing the use of a solvent and simplifying the purification process. CONSTITU...
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JP2002500646A |
PCT No. PCT/EP98/03139 Sec. 371 Date Mar. 27, 2000 Sec. 102(e) Date Mar. 27, 2000 PCT Filed May 22, 1998 PCT Pub. No. WO98/52915 PCT Pub. Date Nov. 26, 1998Leukotriene-B4 derivatives of general formula (I), in which R1 represents H, CF3,...
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JP3242404B2 |
Solid ascorbic acid particles of less than 38 microns in size are shown to be effective antioxidants for substrates in which ascorbic acid is insoluble, such as animal and vegetable oils, essential oils, carotenoids, and the like, at wei...
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JP2001525842A |
The invention relates to leukotriene B4 derivatives of general formula (I) in which R1 stands for CH2OH, CH3, CF3, COOR4, CONR5R6; R2 stands for H or an organic acid radical with 1-15 C atoms; R3 stands for H; R4 is hydrogen, C1-C10-alky...
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JP2001525362A |
Water soluable taurine derivatives, and methods of synthesizing, formulating, and using such taurine derivatives for treating or protecting the retina of a mammalian eye. The invention includes treatment methods which comprise contacting...
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JP2001525362A5 |
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JP3238187B2 |
PURPOSE: To easily and cost effectively obtain the subject compd. useful as an intermediate for medicaments, etc., by subjecting a cyclic unsatd. acetal corresponding to the objective aldehyde or ketone to acid hydrolysis in the presence...
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JP2001524463A |
A process to obtain a product having a high content of zeaxanthin, lutein or mixtures thereof, as short chain organic acid diesters of zeaxanthin, lutein or mixtures thereof, that can be used mainly for the pigmentation of broilers and e...
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JP2001328977A |
To provide an industrially advantageous method for producing vitamin A from inexpensive alcohols.This method for producing vitamin A comprises reacting a compound of the general formula (5) with a compound of the general formula (6) to o...
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JP2001328978A |
To provide a method for producing vitamin A using inexpensive raw materials.This method for producing vitamin A comprises using a sulfone derivative represented by the formula (1) [wherein Ar is a (substituted) aryl group; and R1 is H or...
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JP2001316356A |
To provide a method for producing a retinol derivative by one pot.This method for producing a retinol derivative represented by general formula (3) [R2 is hydrogen atom or a protecting group of hydroxy group; wavy line is either one of E...
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JP2001261634A |
To provide an advantageous method for producing an arysulfone derivative.This method for coupling an arylsulfone of formula (1): YCH2 SO2Ar (1) [Ar is an aryl group which may have one or more substituents; Y is a group of formula (3) or ...
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JP2001515058A5 |
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JP2001515517A |
7-[3-[4-(6-Fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl]propox
y]-chromen-4-one derivatives having the formula (I):wherein R is hydrogen, CHO, CH2OR2 or COOH; R1 is hydrogen or CH2OH; and R2 is alkyl having 1 to 4 carbon atoms with the pro...
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JP2001514653A |
This inventin relates to heterocyclic antineoplastic agents, including certain substituted furano[3,2-e]-indole-7-carboxylic acid derivatives, as well as to processes for their preparation, pharmaceutical compositions comprising the hete...
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JP2001510809A |
Mesomorphic complexes of vitamin A acid and cationic polyelectrolytes, their preparation and use. The cationic polyelectrolyte, for example PDADMAC, PM4VP, poly (ionene-6,3), polyethyleneimine or a poly-L-amino acid, is mixed with vitami...
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JP2001510176A |
The present invention relates to processes for the preparation of oxo products by the hydroformylation of substrates having C=C double bonds using unmodified rhodium catalysts in a reaction mixture essentially consisting of the substrate...
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JP3190686B2 |
A process for forming, isolating and purifying xanthophyll crystals, preferably lutein from marigold flower petals, zeaxanthin from wolfberries or capsanthin and capsorubin from red pepper, is disclosed. A xanthophyll diester-containing ...
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JP2001509011A |
A process and system are disclosed for recovering mixed carotenoids from the alga Dunaliella salina. The harvested cells are ruptured, typically by circulating the algal suspension at high pressure through a pump loop. The cells can then...
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JP3184872B2 |
PURPOSE: To prepare a stereospecific retinoid derivative applied for the local and systemic treatment in the condition of skins connected to the disease of hyperkeratosis and/or the conditions of skins having immunogenic allergic reactio...
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