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JP2001322960A |
To provide a method for producing d, 1-menthol, by which the d, 1-menthol having a d, 1-menthol content of ≥60% and a menthol/isomenthol ratio of ≥6.0 can selectively and technically simply be produced in the presence of an easily pr...
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JP2001522838A |
The invention is drawn to transition metal catalysts for the practical synthesis of important chiral molecules. The transition metal catalysts comprise chiral ligands based on chiral amine oxazolinyl ligands. The invention includes metho...
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JP2001302570A |
To provide a method for producing cyclododecanone and cyclododecanol by hydrogenating 1,2-epoxy-5,9-cyclododecadiene, in which the mixture of cyclododecanone and cyclododecanol can be produced in a high yield. This method for producing t...
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JP2001520681A |
A method for the synthesis of certain N-silylated cyclopentaphenanthrene (Group IV metal) complexes is disclosed.
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JP2001520255A |
Triptycene derivatives, and their use for opto-electronic applications, in particular as electroluminescent materialsTriptycene devices of the formula (I)where the symbols in the formula have the following meanings:K1, K2 and K3 are iden...
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JP2001519780A |
Process for decomposing a mixture containing cycloalkylhydroperoxide, which mixture includes an organic phase and an aqueous phase wherein, during the decomposition, at least one compound is present which meets the following parameters:A...
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JP3220310B2 |
PURPOSE: To obtain (±)-trans-chrysanthenol useful as an intermediate for novel optically active chrysanthevols for perfumery by reducing (±)-chrysanthenone with an alkali metal in liquid ammonia in the presence of a hydrogen donor. CON...
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JP2001288122A |
To provide a method for separating a reaction product from a catalyst, in which the reaction product from the catalyst and/or the changed catalyst can be separated, by simple operations where an imide compound such as N- hydroxyphthalimi...
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JP3218044B2 |
PCT No. PCT/KR95/00162 Sec. 371 Date Sep. 1, 1998 Sec. 102(e) Date Sep. 1, 1998 PCT Filed Dec. 14, 1995 PCT Pub. No. WO97/08119 PCT Pub. Date Mar. 6, 1997This invention relates to a process for preparing cyclohexanol and cyclohexanone, i...
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JP2001278824A |
To manufacture 6-alkyl-trans-decahydronaphthalen-2-ol of general formula (2) or its derivative in high yield. A 6-alkyl-2-naphthol compound of general formula (1) is subjected to hydrogenation reduction in the presence of (i) Rh, Ru, Pt,...
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JP2001517706A |
Novel analogs of 1 alpha , 25-dihydroxyvitamin D3, which are selective agonists for the genomic responses or agonists or antagonists for the rapid cellular responses in a wide array of diseases in which 1 alpha , 25-dihydroxyvitamin D3 o...
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JP2001516732A |
Substituted tetrahydro-naphthalenes and analogous compounds are prepared by reducing or condensing appropriate functional substituents in substituted tetrahydro-naphthalenes and analogous compounds by customary methods and converting fun...
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JP2001270842A |
To provide a technique for preventing the deactivation of a zeolite catalyst in a method for producing cyclopentanol. This method for producing the cyclopentanol is characterized in that cyclopentene having ≥10 ppm content of a chain c...
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JP2001516732A5 |
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JP2001261609A |
To provide a cyclopentanol compound or a cyclopentanone compound useful as a new perfumery having floral fragrance, a method for producing the compounds and a perfumery composition containing the compounds.A 2,5-dicyclopentylidene cyclop...
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JP2001261600A |
To provide a method for producing an extract of chiroinositol useful as a therapeutic agent or a dietarily auxiliary therapeutic agent for diabetics and a material for general foods such as a drink, confectionery, a baked bread, an ice c...
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JP3208852B2 |
PURPOSE: To obtain an alcohol or a ketone under mild condition at a low cost by oxidizing the corresponding alkane with oxygen in the presence of a transition metal catalyst and an aldehyde. CONSTITUTION: A 1-20C straight, branched or cy...
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JP2001240573A |
To provide a liver disease medical treatment agent.A liver disease medical treatment agent expressed in formula (I) [wherein R1 is a hydroxy group, 1-6C alkoxy group, etc., R2 is -COOR3 (R3 is a hydrogen atom or 1-6C alkyl group), hydrox...
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JP2001233809A |
To produce corresponding ketones, alcohols and/or hydroperoxides in good selectivity by oxidizing hydrocarbons by oxygen by a method excellent in productivity and safety.When reacting the hydrocarbons by bringing the hydrocarbons into co...
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JP2001512443A |
PCT No. PCT/US98/02443 Sec. 371 Date Dec. 13, 1999 Sec. 102(e) Date Dec. 13, 1999 PCT Filed Feb. 11, 1998 PCT Pub. No. WO98/34647 PCT Pub. Date Aug. 13, 1998The present invention is directed to an arginine-silicate complex and its use in...
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JP2001226303A |
To provide an oxidizing method obtaining cyclohexane-1,2-diol or cyclohexane-1,2-diol carboxylate in high yield using a small amount of a catalyst and in high coefficient of utilization of hydrogen peroxide in the oxidizing method for cy...
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JP3197963B2 |
PURPOSE: To obtain the new compounds useful as anxiolytic agents and as agents having other psychotropic properties. CONSTITUTION: The compound of formula I [R1 and R2 are each H, halogen, CF3, 1-4C alkoxy (except for the case which both...
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JP2001213826A |
To provide a method for producing a 2-alkyl-2-adamantanol from adamantanone as a raw material in a high yield.In producing the 2-alkyl-2-adamantanol by alkylating adamantanone with a Grignard reagent, this method for producing the 2-alky...
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JP3196348B2 |
PURPOSE: To obtain the corresponding alcohols or ketones under mild conditions in one stage by reacting a benzene derivative with oxygen in the presence of a transition metallic catalyst and aldehydes. CONSTITUTION: A benzene derivative ...
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JP2001206859A |
To provide a new asymmetric bisabamantane-based compound in which adamantane frameworks are bonded through a methylene group. This 2-(2-methyladamantyl)-2'-adamantylmethane-based compound is expressed by the general formula (I) (Y1 and Y...
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JP2001510448A |
Bridged metallocene compounds are produced by a process of promising commercial utility for plant-sized operations. The overall process involves the direct conversion of benzoindanones to benzoindanols which, without isolation, are conve...
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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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JP2001192383A |
To asymmetrically dihydroxylate, oxyaminate or diaminate olefins or alkenes, having or not having an adjacent foreign atom-containing functional group by using an osmium catalyst method. This dihydroquinine ester or dihydroquinidine este...
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JP2001192701A |
To provide a spherical sponge nickel catalyst having uniform particle size distribution and excellent catalytic activity. The sponge nickel catalyst is obtained by: (a) preparing a practically spherical alloy powder (where the relative a...
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JP3189392B2 |
PURPOSE: To obtain a hydrogenated bisphenol useful as a raw material for resins under a mild condition in excellent selectivity and in high yield while suppressing by-products by hydrogenating a bisphenol in the presence of a nickel-base...
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JP2001509155A |
PCT No. PCT/EP98/00244 Sec. 371 Date Jul. 27, 1999 Sec. 102(e) Date Jul. 27, 1999 PCT Filed Jan. 17, 1998 PCT Pub. No. WO98/32719 PCT Pub. Date Jul. 30, 1998This invention relates to a method for the selective preparation of a styrene of...
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JP2001508772A |
A subject of the present invention is a process for the reduction of a carbonyl compound. More precisely, the invention relates to a process for reduction of an aldehyde and/or of a ketone. The reduction process of the invention, which c...
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JP2001181222A |
To provide a method for producing cyclopentanol in high selectivity and high yield. In producing cyclopentanol from cyclopentene by using a zeolite catalyst, a hydration reaction is carried out in a solvent selected from a group consisti...
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JP2001172211A |
To provide method for producing both of cyclododecanone and cyclododecanol in a one-step process and also in a high yield by bringing epoxycyclododecanes into contact with hydrogen in the presence of a platinum group catalyst.This method...
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JP2001163810A |
To provide a new method for synthesizing high-purity 1D-chiro-inositol more inexpensively and more efficiently than a conventional already-known method for producing 1D-chiro-inositol.A 2,3-acetal of myo-inositol of formula (I) is subjec...
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JP3177244B2 |
Osmium-catalyzed methods of addition to an olefin are discussed. In the method of asymmetric dihydroxylation of the present invention, an olefin, a chiral ligand, an organic solvent, water, an oxidant and an osmium-containing compound ar...
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JP2001158752A |
To provide a method for producing an organic compound in a film reactor by using a uniformly soluble or colloidally soluble catalyst having increased molecular weight.An inorganic film having an inorganic intermediate layer which may be ...
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JP2001507668A |
PCT No. PCT/EP96/04922 Sec. 371 Date Oct. 5, 1998 Sec. 102(e) Date Oct. 5, 1998 PCT Filed Nov. 11, 1996 PCT Pub. No. WO97/17313 PCT Pub. Date May 15, 1997A process for the preparation of polyalcohols comprises the stages: (a) Reaction of...
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JP3175487B2 |
PURPOSE: To provide an industrially suitable method for producing a cycloalkanol and a cycloalkanone by which a cycloalkyl hydroperoxide can be decomposed in the presence of a small amount of a highly active metallic catalyst in the reac...
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JP3171587B2 |
Optically active compounds of the cyclohexane series can be used as components of chirally tilted smectic liquid crystal phases.
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JP2001139506A |
To recover cyclohexanone and cyclohexanol from the by-products flow including organic components boiling at temperatures higher than the boiling point of cyclohexanone in the production process of cyclohexanone. The organic components ha...
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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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JP2001131104A |
To provide a method for simply producing trans-3- isocamphylcyclohexanol using cis-3-isocamphylcyclohexanol. cis-3-Isocamphylcyclohexanol is isomerized in the presence of a base having an alkali metal or an alkaline earth metal by using ...
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JP2001131105A |
To efficiently separate an alicyclic monool and/or a alicyclic diol from a mixture containing at least the alicyclic monool and the alicyclic diol. This method for separating the alicyclic alcohol is a method for separating the monodiol ...
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JP2001122807A |
To provide a method for producing cyclododecanone and cyclododecanol in high yield in one stage by bringing epoxycyclododecanes into contact with hydrogen in the presence of a platinum group catalyst. The platinum group catalyst is compo...
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JP2001122810A |
To provide a method for using a catalyst capable of improving the hydrogen reduction activity of an oxygen-containing organic compound and the selectivity for the corresponding hydride and further improving the catalyst life when reducin...
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JP2001122809A |
To provide a method for producing the corresponding alicyclic alcohol compound in high yield by reducing an epoxy group-containing alicyclic organic compound in the presence of a catalyst with hydrogen. An alumina-supported nickel cataly...
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JP3162434B2 |
The invention provides cyclohexenol derivatives of the general formula in which n represents an integer from 0 to 5; each R represents a halogen atom, nitro, cyano, hydroxyl, alkyl, haloalkyl, alkoxy, haloalkoxy, amino, alkylamino, dialk...
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JP2001114713A |
To obtain a metal-included fullerol useful as a contrast medium. This gadolinium-included fullerol is shown by the general formula Gdx
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JP3158162B2 |
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