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JP2001158757A |
To provide a method of producing polyprenols under mild conditions in high yield and selectivity in high productivity with industrial advantage.An allyl halide represented by general formula (I) is brought into contact with an aluminum c...
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JP2001158754A |
To provide a method for industrially usefully producing tetrafluorobenzenedimetanol or tetrafluorobenzenedicarbaldehyde useful as a raw material, intermediate, etc., for agrochemicals, medicines, etc.Tetrafluorodicyanobenzene is reduced ...
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JP2001158755A |
To provide (meth)allyl alcohol that scarcely causes the corrosion of the chemical reactor, even when this alcohol is used under a high pressure reaction condition.The chlorine atom content of this (meth)allyl alcohol is ≤50 ppm accordi...
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JP2001151714A |
To provide a method for easily producing a halogenated benzyl alcohol in a high yield.This method for producing a compound of formula (I) (R1 is C1 or F; and R2, R3 and R4 are each independently H, F, Cl, CF3, OCF3, a 1 to 4C alkyl or a ...
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JP2001507348A |
A process for the preparation of an aromatic organozinc compound is provided. The process comprises reacting a zinc chloride, bromide or iodide and an organometallic compound of another metal comprising an aromatic moiety, producing a re...
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JP2001151717A |
To provide a method for producing an optically active diol compound useful as an intermediate for medicines and agrochemicals in high optical purity.high yield.This method for producing the optically active 1,2- disubstituted-2,3-dihydro...
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JP3171484B2 |
PURPOSE: To efficiently obtain the subject compound having high optical purity by subjecting racemic modification of a halogen-containing alcohol and a vinyl ester to asymmetric transesterification in an organic solvent by using a specif...
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JP2001506593A |
The invention concerns a reagent and a family of compounds. The reagent contains by successive or simultaneous addition: a material of formula RfH, a silicophilic base, a trivalent nitrogenous derivative containing no hydrogen and at lea...
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JP2001131103A |
To recycle a catalyst without deactivation in producing octadienol from butadiene and water in the presence of a catalyst containing palladium and an organophosphorus compound. In recovering ocatadienol formed by distilling a reaction pr...
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JP2001131101A |
To provide a method for efficiently producing an optically active alcohol compound. A asymmetric ketone compound of general formula (R1 and R2 are different and each a substitutable aryl, a substitutable alkyl, a substitutable cycloalkyl...
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JP3166991B2 |
PURPOSE: To provide a new compound useful as a cancer proliferation suppressing agent and cancer metastasis suppressing agent. CONSTITUTION: The compound of formula I or formula II ((m) is 7 or 8) and its pharmacologically permissible sa...
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JP2001120297A |
To provide a method for producing the optically active isomer of a known or new unsaturated secondary alcohol (hereinafter referred to as said substance). This method for producing optically active said substance of formula (V) comprises...
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JP3159010B2 |
To obtain the subject compound in high selectivity with a small amount of a formed by-product by using a specific safe catalyst high in activity in hydrogenating acetophenone. (B) A copper-based catalyst containing an alkali metal compou...
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JP3159661B2 |
To obtain subject compound useful as a synthetic intermediate for medicines, etc., highly efficiently, by subjecting an acetylene bond-containing carbonyl compound to hydrogen transfer type asymmetric reduction in the presence of a hydro...
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JP2001104795A |
To provide a catalyst useful for an asymmetric hydrogen-transfer reducing reaction capable of obtaining a sulfonate containing a by-product obtained by an industrial production method as a ligand. A ruthenium catalyst composition compris...
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JP2001097985A |
To crystallize out a palladium complex from the distillation residue discharged to the outside of the polymerization system in the oligomerization of a conjugated alkadiene over a catalyst including palladium and an organophosphorus comp...
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JP2001097855A |
To obtain a new antifungal agent containing a compound having hydronaphthalene ring as an active component. This agent is obtained by including a compound comprising a hydronaphthalene ring having a methyl group and a (protective group-h...
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JP2001096165A |
To provide a method for easily dissolving a palladium complex, crystallized from a distillation residue discharged out of a system, in an organic solvent, in a method where a conjugated alkadiene is oligomerized by using a catalyst conta...
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JP3153540B2 |
An osmium-catalyzed method of addition to an olefin. In the method of asymmetric dihydroxylation of the present invention, an olefin, a chiral ligand, an organic solvent, water, an amine oxide, an osmium-containing compound and, optional...
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JP2001089403A |
To provide a method of producing a high-purity unsaturated alcohol in good yield by suppressing side reactions caused by a double bond in the unsaturated alcohol when the unsaturation is reduced. An unsaturated aldehyde, an unsaturated f...
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JP3151967B2 |
PURPOSE: To provide a new compound useful e.g. as an intermediate for agricultural chemicals, pharmaceuticals, organic electronic materials, etc. CONSTITUTION: The compound of formula I (R1 is 1-20C alkyl; (m) is 0 or 1; (n) is 0-6; A an...
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JP2001504127A |
The invention involves a procedure for the catalytic enantioselective reduction of ketones to chiral alcohols. Heretofore, this reaction was carried out batch-wise. Because, in this procedure, one utilizes a catalyst increased in size wi...
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JP2001081052A |
To obtain a new compound useful as an antifungal agent or an anticancer agent or as a raw material for producing various kinds of antifungal agents and various kinds of anticancer agents by adding various kinds of substitutents to a comp...
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JP2001072631A |
To obtain the subject new compound useful an antifungal agent having strongly antimicrobial power over fungi causing opportunistic infective disease or a raw material for producing the antifungal agent by adding any of substituents to a ...
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JP2001072628A |
To industrially advantageously obtain the subject compound having a high optical purity by reducing an asymmetric ketone by using an asymmetric reducing agent obtained by treating an optically active β-amino-alcohol with a boron hydride...
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JP2001072630A |
To obtain the subject compound useful as an intermediate for a medicine and an agrochemical in high selectivity in a high yield by reacting an epihalohydrin with an aryl Grignard reagent in the presence of a copper compound. An epihalohy...
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JP2001072610A |
To attain mild removal of the solvent residue from organic reaction products sensitive to water or heat, for example, perfume or flavor. In the purification of an organic reaction product including the residual aromatic solvents, an este...
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JP3147906B2 |
4-Aryl-1-phenyl alkyl-1,2,3,6-tetrahydropyridine derivs. of formula (I), their salts, solvates and quat. ammonium salts are new. Y = CH or N; R1 = H, halo, CF3, 3-4C alkyl or 1-4C alkoxy; R2 = as R1 or OH; R3, R4 = H or 1-3C alkyl; X = 3...
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JP2001058999A |
To obtain a new ruthenium compound having excellent catalytic asymmetric reduction activity, useful for producing an optically active alcohol, by making the compound include an optically active phosphine and an optically active or racemi...
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JP2001502680A |
PCT No. PCT/EP97/05740 Sec. 371 Date Apr. 14, 1999 Sec. 102(e) Date Apr. 14, 1999 PCT Filed Oct. 17, 1997 PCT Pub. No. WO98/17612 PCT Pub. Date Apr. 30, 1998In a process for preparing oxidation products of cyclohexane by catalytic oxidat...
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JP2001048854A |
To provide the subject novel compound that is a specific cyclopentylalkylnitrile and is useful as a floral type perfume that emits powerful, widely diffusible and persistent smell. This novel compound is represented by the formula (R1-R3...
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JP2001031604A |
To safely produce α,α',α"-trihydroxy-1,3,5-triisopropylbenzene in higher yield. When producing α,α',α"-trihydroxy-1,3,5-triisopropylbenzene by repeating a step for oxidizing 1,3,5-triisopropylbenzene with molecular oxygen or a mole...
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JP3132359B2 |
To produce the subject compound on an industrial scale at a low cost, at high hydrogenation activity against acetophenone, with a little formation of ethylbenzene as a by-product and at high productivity per catalyst by hydrogenating ace...
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JP3128281B2 |
PURPOSE: To provide a new compound useful as a separating agent capable of separating and purifying many kinds of compounds, especially capable of supplying the intermediates of medicines, compounds useful in the fields of various kinds ...
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JP2001002601A |
To produce benzyl alcohols having widely variable substitution patterns, especially benzyl alcohols having a fluorine (containing) substituent through a simple safe process by reducing a specific benzaldehyde.This benzyl alcohol is obtai...
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JP2001002602A |
To produce an optically active aromatic carbinol through an economical new process by asymmetrically reducing a specific aromatic ketone in the presence of an asymmetric reductant obtainable from an acid adductive salt of an optically ac...
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JP2001500110A |
PCT No. PCT/EP97/03742 Sec. 371 Date Jan. 7, 1999 Sec. 102(e) Date Jan. 7, 1999 PCT Filed Jul. 14, 1997 PCT Pub. No. WO98/03456 PCT Pub. Date Jan. 29, 1998Alcohols and/or aldehydes are prepared from olefins by cross-metathesis of olefins...
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JP2001002610A |
To provide a practical production process for optically active alcohol that uses only an optically active amine as an asymmetric source and other readily available compound as a catalyst source.In the presence of a mixture of a trivalent...
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JP2001002609A |
To recover fluorene, a starting chemical, through a simple process, by treating a crude product including fluorene and specific two compounds with a specific alcohol.A crude product including (A) fluorene, (B) a diol of formula I (R1 and...
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JP2001002608A |
To obtain a conjugated alkadiene telomer, as the catalyst can be recovered and repetitively reused with high retention of its catalytic activity by distilling a specific reaction mixture solution to recover the conjugated alkadiene telom...
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JP2001002606A |
To produce an alkyne compound through an improved generally applicable process by reacting a carbonyl-containing compound with an acetylenic group-containing compound in the presence of a specific basic catalyst.(A) A compound of the for...
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JP2000355561A |
To provide a method for producing the telomer from an alkadiene in the presence of a catalyst composed of palladium and an organophosphorus compound, which is recycled while avoiding its deactivation and loss.This method supplies the rea...
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JP2000517310A |
PCT No. PCT/EP97/04500 Sec. 371 Date Jun. 25, 1999 Sec. 102(e) Date Jun. 25, 1999 PCT Filed Aug. 18, 1997 PCT Pub. No. WO98/08794 PCT Pub. Date Mar. 5, 1998Process for the telomerization of dienes The present invention relates to a proce...
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JP2000517326A |
The invention concerns a process for preparing alkyne diols or mixtures of alkyne diols with alkyne monools by reacting acetylene with more than equimolar amounts of ketones and/or aldehydes in the presence of an alkaline compound, the a...
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JP2000517344A |
An improved process for decomposing alkyl or aromatic hydroperoxides to form a decomposition reaction mixture containing the corresponding alcohol and ketone. The improvement relates to decomposing the hydroperoxide by contacting the hyd...
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JP2000350937A |
To facilitate the preparation of the subject catalyst by reacting a compound represented by a specified formula with a specified bicyclic olefin, more advantageously with a cycloolefin compound in an in reactive organic solvent or a solv...
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JP3117730B2 |
PCT No. PCT/IB97/01024 Sec. 371 Date Mar. 5, 1999 Sec. 102(e) Date Mar. 5, 1999 PCT Filed Aug. 25, 1997 PCT Pub. No. WO98/11085 PCT Pub. Date Mar. 19, 1998The invention relates to processes for preparing a compound of the formula (X) and...
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JP2000344694A |
To obtain an optically active 3-pentyn-2-ol useful as a synthetic intermediate for pharmaceuticals, etc., on an industrial scale in high reaction yield and optical yield at a low cost using a catalytic amount of asymmetric source by usin...
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JP2000516232A |
This invention relates to a process for the isomerization of a vinyl glycol to an unsaturated diol in the presence of a rhenium-based catalyst; and to a catalyst for said isomerization. More specifically, this invention relates to the is...
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JP3115054B2 |
PURPOSE: To obtain the title compounds in high yield by oxidizing dimethylnaphthalene with molecular oxygen in the presence of a Co salt, a Mn salt and a bromine compound catalyst in an organic carboxylic acid solvent at a specific tempe...
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