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JP4625186B2 |
A process for preparing at least one unsaturated alcohol (B) comprises the steps (I) to (III) below: (I) reaction of at least one alkali metal hydroxide or alkaline earth metal hydroxide with at least one alcohol (A) in at least one orga...
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JP2011503004A |
Embodiments in accordance with the present invention provide for forming essentially pure diastereomers of 5/6-substituted norbornene-type monomers. Further, embodiments in accordance with the present invention encompass polymerizing suc...
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JP4617643B2 |
To provide a new optically active quaternary ammonium salt having high performances as an axial asymmetry-containing spiro type phase transfer catalyst for an asymmetric alkylation reaction of a glycine derivative, advantageous to the nu...
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JP4618781B2 |
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JP4617880B2 |
An organic compound capable of forming a hydrogen molecular compound such as a hydrogen clathrate is brought in contact with hydrogen gas in a pressurized state. It enables relatively light-weight and stable storage of hydrogen at or nea...
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JP4615710B2 |
The present invention relates to diterpene derivatives prepared from the components which are extracted from Acanthopanax Koreanum and represented by Chemical Formula (1).
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JP2011005388A |
To provide a method for reducing a catalyst containing copper oxide by introducing a gas containing hydrogen and a liquid into a catalyst-filled part, with the help of a reactor having the catalyst-filled part in which the catalyst conta...
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JP4608662B2 |
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JP4610899B2 |
The invention concerns a process for preparing (S)-(+)-2-(substituted phenyl)-2-hydroxy-ethyl carbamates and to novel intermediates used in this process.
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JP4606167B2 |
A process for regenerating a hydrogenation catalyst which has been used in a gas-phase hydrogenation, which comprises stripping at from 50 to 300° C. with a substance or a substance mixture which under the process conditions has no oxid...
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JP4606566B2 |
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JP4605391B2 |
A method of catalytic reaction uses a micro-reactor (1) with a metal catalyst (5) or a metal complex catalyst (5) as a solid phase supported on the inner wall (4c) of a channel (4), a solution (7) dissolving a reactant as a liquid phase ...
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JP4601864B2 |
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JP2010539219A |
In a process for the accelerated reduction of organic substrates, selected from the group consisting of ester, amides, nitriles, acids, ketones, imines or mixtures thereof, the substrates are reacted with an amine borane, sulfide borane ...
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JP4597406B2 |
To obtain an organosilicone compound by hydrosilylating an arylvinyl compound to introduce a silyl group in a site-selective way onto the α-site of the arylvinyl compound. This organosilicone compound of formula (I) is obtained by react...
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JP4600437B2 |
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JP4594533B2 |
A process of reducing unsaturated organic compounds efficiently by using industrially inexpensive and easily handleable trichlorosilane as the reducing agent to thereby obtain the corresponding reductants; and reducing agents. Specifical...
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JP4596583B2 |
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JP2010536910A |
The present invention relates to a new process for preparing estrogen-antagonistic 11²-fluoro-17±-alkylestra-1,3,5(10)-triene-3,17-diols of the general formula I having a 7±-(¾-alkylamino-É-perfluoroalkyl)alkyl side chain and to ±-...
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JP4590353B2 |
A novel transition metal complex, preferably a ruthenium-phosphine complex or rhodium-phosphine complex, which is effectively usable in various asymmetric syntheses and, in particular, is more effectively usable in the asymmetric hydroge...
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JP4588878B2 |
The invention relates to a method for producing alkyne diols by reacting ketones with acetylenic hydrocarbons in an organic solvent in the presence of a base which contains potassium alcoholates of primary and/or secondary alcohols. The ...
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JP4588984B2 |
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JP4587644B2 |
Indenes and 1,7-dihydroindacenes have negative dielectric anisotropy (DELTAepsilon). Indenes and 1,7-dihydroindacenes with negative dielectric anisotropy (DELTAepsilon) are of formulae (I) and (II) respectively. T = CF2, CHF, CH2 or CO; ...
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JP4580758B2 |
The present invention provides a process for preparing benzoprostacycline derivatives of formula (1), i.e. 5,6,7-trinor-4,8-inter-m-phenylene PGI2 derivatives, and vinyl tin compounds of formula (III) as starting materials for the same.
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JP2010253478A |
To provide a method for regenerating a hydrogenation catalyst which has been used in a gas-phase hydrogenation, which method significantly restores the original activity of the fresh hydrogenation catalyst by the regeneration.In the meth...
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JP4579351B2 |
The present invention provides convergent processes for preparing epothilone A and B, desoxyepothilones A and B, and analogues thereof. Also provided are analogues related to epothilone A and B and intermediates useful for preparing same...
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JP4576584B2 |
To provide a macromolecule immobilizing palladium catalyst prepared by immobilizing a palladium catalyst in an amphiphilic phosphorus containing crosslinking macromolecule and the method of an organic synthetic reaction using the catalys...
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JP4575074B2 |
To provide a method for obtaining a high-purity aromatic dihydroxy compound, by treating a waste aromatic polycarbonate (including an aromatic polycarbonate product, such as a CD, a CD-ROM, and a DVD, which becomes useless) at a low cost...
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JP4570920B2 |
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JP4569756B2 |
To provide a liquid vegetable unsaturated alcohol which has good liquid state retaining ability and hardly clouds even if a temperature changes, and a process thereof. The process of the liquid vegetable unsaturated alcohol comprises a s...
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JP2010229128A |
To provide a new method for producing a halogen-substituted benzene dimethanol.This method for producing the halogen-substituted benzene dimethanol (4) is characterized by comprising a first process of obtaining an N,N,N',N'-tetrakis(alk...
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JP4562370B2 |
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JP4562992B2 |
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JP4557502B2 |
A fluorine-containing cyclic compound is represented by the formula 1:wherein each of R1, R2 and R3 independently represents a hydrogen, alkyl group, fluorine, fluoroalkyl group or hexafluorocarbinol group,wherein at least one of the hex...
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JP4558276B2 |
A process for the catalytic selective hydrogenation of a compound containing at least one unsaturated carbon-carbon double bond, said process comprising reacting said compound with a hydrogenating agent and a heterogeneous hydrogenation ...
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JP4554735B2 |
Production of unsaturated fatty alcohols from lauric oils by selective hydrogenation of unsaturated methyl ester fraction separated by fractional crystallisation. Production of unsaturated fatty alcohols comprises: (a) transesterifying a...
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JP4552031B2 |
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JP2010202642A |
To provide a method for producing an aromatic alcohol which includes the following excellent characteristics: an undesirable reaction due to excessive catalytic activity at the beginning of catalyst use is suppressed; the degradation of ...
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JP4545830B2 |
The present invention provides a process for reducing carbonyl compounds to hydroxy compounds, in particular stereoselectively reducing alpha -aminohaloketone derivatives, under mild conditions in an easy and simple manner, which compris...
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JP2010195750A |
To provide a surfactant of which the presence and the critical micelle concentration are visibly recognized, and an amphiphilic substance composing the surfactant, and to provide a method for detecting critical micelle concentration and ...
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JP4523324B2 |
To provide a method for producing a perfluoroalkyl group-having alcohol derivative useful as an intermediate for medicines, agrochemicals and the like. This method for producing the perfluoroalkyl group-having alcohol derivative represen...
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JP2010168357A |
To provide a practical method for reducing amides and lactams.Amides or lactams can be reduced respectively into alcohols or amino alcohols in the presence of a group 8(VIII) transition metal complex, a base and hydrogen gas (H2). By app...
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JP4519255B2 |
Provided is citronellol, which has an elegant rosy fragrance and is extremely useful for fragrance impartation to aromatic articles. A mixture of an alkylamine and isoprene in a molar ratio of from 1:4 to 1:4.5 is subjected to telomeriza...
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JP2010526009A |
Preparing composite comprising nanofibers or nanotubes on a porous silicon carbide substrate, comprises: incorporating a catalyst for growth of nanotubes or nanofibers, in porous silicon carbide substrate, or in silicon carbide precursor...
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JP2010163394A |
To provide a method for producing homoallyl alcohol obtainable in a high yield under a mild condition. By using an aldehyde and allylsilane as reaction materials and using as a solid catalyst Al-MCM-41 obtained by Al substitution of MCM-...
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JP4507327B2 |
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JP4507328B2 |
To provide a process for the production of benzyl alcohol with excellent operation stability. Benzyl acetate, methanol, water and a basic catalyst are supplied to a reaction distillation column A and benzyl alcohol is produced by the cat...
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JP4502526B2 |
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JP4503232B2 |
The present invention relates to methods for the prophylaxis, management and treatment of certain diseases modulated by the inhibition of the enzyme malonyl-coenzyme A decarboxylase (malonyl-CoA decarboxylase, MCD) by the administration ...
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JP4502525B2 |
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