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JP2003238464A |
To provide a method for producing an adamantanol, comprising oxidizing adamantane with oxygen, by which the adamantanol is efficiently produced in a high yield.This method for producing the adamantanol comprises oxidizing the adamantane ...
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JP3439193B2 |
A method is disclosed for catalytically decomposing cyclododecyl hydroperoxide into cyclododecanone and cyclododecanol using a chromium catalyst.
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JP2003524579A |
A catalytic process is disclosed for oxidizing cycloalkanes directly to form, in a single step, a mixture containing the corresponding alcohol and ketone. In particular, the invention relates to oxidizing a cycloalkane by contacting it w...
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JP2003524579A5 |
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JP2003523960A |
Reaction of carbonyl compounds (I) with organometallic reagents (II).
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JP2003210993A |
To oxidize various hydrocarbons under a mild condition by molecular oxygen using an oxidation catalyst because the oxidation catalyst is easily separated after use and can be reused and to manufacture epoxides, alcohols, ketones or carbo...
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JP2003522130A |
The invention provides methods for separating outer birch bark from inner birch bark. The invention also provides methods for isolating betulin; lupeol; betulinic acid; 9,10-epoxy-18-hydroxyoctadecanoic acid; 9,10,18-trihydroxyoctadecano...
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JP3426213B2 |
An improved method for making cyclohexanone and cyclohexanol from oxidation of cyclohexane in which a polyprotic acid is used to neutralize caustic to prevent oligomerization of cyclohexanone during fractional distillation.
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JP2003192621A |
To provide a method of distillation for an alicyclic alcohol simply and economically separating impurities containing an aldehyde group, and suppressing formation of impurities causing increase of heat load in distillation.The method com...
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JP2003519207A5 |
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JP2003519207A |
The invention provides a process for the enantioselective preparation of a compound of the general formula (Ia) or (Ib): wherein R1, R2 and R3 independently of each other are hydrogen, methyl, methoxy, hydroxy, hydroxymethyl, carbamoyl, ...
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JP3413608B2 |
PURPOSE: To industrially advantageously prepare d,1-menthol by continuously hydrogenating a compd. having a menthol, skeleton such as thymol with a catalyst consisting of an active component such as Pd or Ru, a specified alkali metallic ...
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JP2003517030A |
The invention relates to a method for producing a mixture of alcohols/ketones by decomposing an alkyl hydroperoxide, particularly to a method for producing a cyclohexanol/cyclohexanone by decomposing cyclohexyl hydroperoxide in the prese...
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JP2003107705A |
To provide a negative resist composition which realizes both of desired high sensitivity and high resolution, which can form a rectangular profile and which decreases changes in the line width during post exposure after irradiation of io...
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JP2003512035A |
The present invention relates to a process for preparing a chiral ester expressed in formula (100) by mixing and reacting: a ketone of formula (4); a ruthenium complex selected from the group consisting of compounds (1, 2 and 3) expresse...
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JP2003512444A |
The invention relates to a method for producing at least one alcohol by (i) hydrating at least one alkene to form the at least one alcohol, in the presence of water, by bringing said alkene(s) into contact with at least one catalyst. The...
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JP3392928B2 |
PURPOSE: To produce 2-chlorocyclohexanol from cyclohexene in high yield by an industrially advantageous process. CONSTITUTION: 2-Chlorocyclohexanol is produced by acting an aqueous solution of sodium hypochlorite and sulfuric acid on cyc...
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JP2003089667A |
To provide a method for purifying cyclopentyl alcohol, capable of effectively obtaining the cyclopentyl alcohol of high purity from a mixture containing the cyclopentyl alcohol, and to provide a method for producing the cyclopentyl alcoh...
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JP2003064007A |
To provide a method for producing an oxidation product of an olefin compound in high selectivity from the olefin compound under mild conditions without causing deterioration and decomposition of a catalyst by using molecular oxygen as an...
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JP2003064008A |
To provide a method for producing diols by which diols can safely, directly and efficiently be produced in very high conversion ratio of an olefin and selectivity of diol.This method for producing diols comprises reacting the olefin with...
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JP3381804B2 |
Disclosed are a catalyst for directly reducing a carboxylic acid, the catalyst comprising a tin compound and a ruthenium compound supported on a carrier, the catalyst being prepared by the steps of calcining the tin compound in the prese...
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JP2003508533A |
The present invention provides a six membered, at least partially unsaturated, carbocyclic nucleoside compound, including the (-) enantiomer, the (+) enantiomer, and pharmaceutically acceptable salts and esters thereof. The compounds are...
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JP2003508357A |
A method for the synthesis of certain N-silylated cyclopentaphenanthrene (Group IV metal) complexes is disclosed.
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JP2003055269A |
To provide a method for decomposing a polyhalogenated aromatic compound contained in pitch of a stabilizer for a fluorescent lamp. This method for decomposing the polyhalogenated aromatic compound contained in the pitch of the stabilizer...
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JP2003040820A |
To provide a method for industrially producing a cyclohexene derivative such as 2-cyclohexen-1-ol. This method for producing a cyclohexene derivative of general formula I comprises performing metathesis reaction of an octadiene derivativ...
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JP2003040821A |
To provide a cyclopentanone compound useful as a new perfume having floral fragrance, and to provide a perfume composition containing the compound. This 2,5-disubstituted cyclopentanone is represented by general formula I, and the perfum...
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JP2003034658A |
To provide a method for producing 2-adamantanol by reducing 2- adamantanone in high yield using an inexpensive and easy to handle compound as a reducer. The 2-adamantanol is produced by reducing the 2-adamantanone with trichlorosilane by...
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JP2003026621A |
To provide a new method for producing 1,2-indanediols in good reaction by solving the problems in the disposal of waste and waste water, the safety of reaction, or the treatment of a large amount of solvent.This method for producing the ...
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JP2003012579A |
To provide an excellent method for safely and efficiently synthesizing a lithium alkoxide by adding a mixture of a carbonyl compound with a halogenated hydrocarbon to a metal lithium in a solvent having a low flash point and carrying out...
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JP2003012575A |
To provide a method capable of selectively, efficiently and safely producing 2-adamantanol and 2-adamantanone by oxidizing adamantane under mild conditions.This method for producing adamantanol and adamantanone comprises reacting adamant...
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JP2003501421A |
This invention provides a process to prepare 10,11-(optionally substituted)methanodibenzosuberane derivatives. The invention also provides an intermediate in this process.
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JP2003002853A |
To provide a mixture of isomers of a hydrogenated bisphenol A which is excellent in compatibility with other resin raw materials and paint solvents and is capable of suitably using as raw materials for polyester resin-based paints withou...
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JP2002544245A |
(57) [Summary] In the method of carrying out a chemical reaction using Lewis acid, after the reaction is completed, Lewis acid is extracted from the reaction product in the form of an aqueous solution, and the aqueous solution of Lewis a...
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JP2002543050A |
This invention relates to process for asymmetric dihydroxylation of olefins using osmium catalysts to obtain monofunctional, bifunctional, and/or polyfunctional chiral 1,2-diols of the formula (I)where R1 to R4 are defined herein, by rea...
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JP2002543051A |
This invention relates to process for dihydroxylation of olefins using transition metal catalysts to obtain monofunctional, bifunctional, and/or polyfunctional 1,2-diols of the formula (I)where R<1 >to R<4 >are defined herein, by reactin...
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JP2002539097A |
An improved process for decomposing alkyl or aromatic hxdroperoxides 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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JP3345637B2 |
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JP2002326967A |
To provide a method for producing cyclopentanol, capable of producing the cyclopentanol in a high yield with high selectivity, by hydrating cyclopentene in the presence of a catalyst for hydration reaction.This method for producing the c...
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JP2002326968A |
To provide a method for producing cyclopentanol, capable of producing the cyclopentanol in a high yield with high selectivity.This method for producing the cyclopentanol comprises hydrating cyclopentene by using a solid acid comprising a...
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JP3342047B2 |
The invention relates to a new vitamin D compound, substituted in the 18-position with an alkyl group, a hydroxy group, an alkoxy group, an alkenyl group, an alkynyl group, a fluorinated alkyl group or a fluorinated alkenyl group. The in...
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JP2002320860A |
To provide a partial oxidation catalyst and a method for manufacturing the catalyst having high catalytic activity and selectivity even for organic compounds having a large molecular size.The partial oxidation catalyst consists of a poro...
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JP2002316958A |
To provide a method for producing an alcohol or alkoxide with an alicyclic skeleton under mild conditions in high yield.This method for producing the objective alcohol or alkoxide of formula (4) or (5) [R1 and R2 are each e.g. a hydrocar...
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JP3339655B2 |
A hydrogenation reaction catalyst precursor of the present invention comprises a catalyst carrier (A) and a metal oxide composition (B) carried on or mixed with the catalyst carrier (A) at a weight ratio of (B)/(A) = 15/85 to 65/35; the ...
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JP2002275057A |
To obtain a tumor promotion suppressing composition.The tumor promotion suppressing composition contains a compound expressed by formula (I) [R1 is hydroxy, an alkoxy or an acyloxy and R2 is H or R1 and R2 together form oxo group; R3 is ...
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JP2002531462A |
(57) [Summary] The present invention relates to a method of synthesizing carbohydrates, in particular chiro-inositol, including inositol phosphoglycan (IPG) mimetics such as compound C4, using chiro-inositol as a starting material. Here,...
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JP2002255874A |
To provide a method for efficiently producing an α-halohydrin compound without strictly controlling a water content in a reaction system and using hydrogen as a reducing agent.An α-haloketone compound is reduced with a primary alcohol ...
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JP2002249450A |
To provide a method for oxidizing an organic substrate efficiently with good operability.A solution containing an N-hydroxy cyclic imide of higher concentration than its feed concentration is retained in a reaction system, when the organ...
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JP2002249451A |
To provide a method for producing various organic compounds containing oxygen with good productivity by oxidizing an organic substrate with oxygen efficiently at low cost.The organic substrate is oxidized by bringing it into contact with...
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JP3320025B2 |
A convergent synthesis of 19-nor-vitamin D compounds, specifically 19-nor-1 alpha ,25-dihydroxyvitamin D3, is disclosed. The synthesis can also readily be utilized for preparing other 1 alpha -hydroxylated 19-nor-vitamin D compounds. The...
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JP2002241326A |
To provide a new heterogeneous reaction method capable of readily carrying out separation, recovery and reutilization of a catalyst in a heterogeneous reaction using a solid catalyst, readily advancing reaction without forcibly moving th...
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