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JP3447325B2 |
PURPOSE: To obtain a 2-aryl-ethanol of high purity by subjecting a 2-aryl- acetoaldehyde-acetal to catalytic hydrogenation at high pressure and high temp. in an acidic medium. CONSTITUTION: A compd. expressed by formula I or formula II i...
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JP2003261485A |
To provide a method for producing optically active propargyl alcohols by which the yields and enantioselectivities (optical yield ee) of the objective optically active propargyl alcohols become high and volume efficiency and atom efficie...
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JP2003252812A |
To provide a new cyclopropane compound useful as a perfume ingredient and a perfume composition comprising the compound.The cyclopropane compound is represented by formula (1) [wherein, R1 denotes one kind of group selected from the grou...
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JP2003526691A |
Polymer/support solid phase reactants (I) comprise a fine particulate polymer of bonded particles having a diameter of 0.001-50 microns to which organic reactants are bound in the pores of a porous support having pore diameters of 0.1-20...
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JP3443908B2 |
PURPOSE: To convert a diallyl ether compound produced as a by-product in the reaction of a conjugated alkadiene with water into an allyl alcohol compound by reacting a diallyl ether compound with water in the presence of a palladium comp...
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JP3444059B2 |
PURPOSE: To provide an industrially advantageous method for producing allyl alcohols using diallyl ethers as a raw material by which the application can be made even to a hydrating and dimerizing reactional solution containing the dially...
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JP2003245555A |
To provide an improved process for the preparation of an iron-doped ruthenium catalyst supported on carbon, and to provide its use for a selective liquid phase hydrogenation of a carbonyl compound to give a corresponding alcohol.In the p...
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JP2003525107A |
Raney alloy catalysts applied to a support are described, said catalysts having an extremely thin layer of Raney alloy with a thickness of 0.01 to 100 mum. These catalysts are prepared by vapor deposition of the appropriate metals under ...
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JP2003523966A |
The invention relates to a process for preparing 2,3,5,6-tetrahaloxylylidene compounds of formula (I) where each Hal is independently fluorine or chlorine, and X is fluorine, chlorine, bromine, -O-R, or -O-C(=O)R, where R is hydrogen, a ...
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JP2003226659A |
To provide a new optically active α-alkylfluoro-, trifluoromethyl- or trifluoromethoxy-substituted benzyl alcohol which is an important intermediate for medicines and agrochemicals, and to provide a means capable of efficiently producin...
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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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JP2003206248A |
To provide a continuous method of producing an unsaturated alcohol by selectively hydrogenating an olefinically unsaturated carbonyl compound, particularly citral is selectively hydrogenated to continuously produce a mixture of geraniol ...
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JP3422858B2 |
PURPOSE: To obtain a new optical resolving agent, comprising an optically active polyacetylene derivative having a specific structure and having excellent optical resolving ability and the possibility of extending the range of the object...
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JP2003176266A |
To provide an optically active transition metal complex coordinated with azetidineamide.This optically active transition metal complex coordinated with the azetidineamide is expressed by the general formula (1) (R1 and R2 are each in dep...
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JP3416776B2 |
To provide a versatile method for the determination of the absolute configuration of a new chiral compound capable of accurately and easily determining the absolute configuration of chiral compounds having a wide variety of basic groups ...
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JP2003160572A |
To provide a method in which unreacted cumene hydroperoxide is converted by contacting with a manganese-containing catalyst in the production of propylene oxide and cumyl alcohol from cumene hydroperoxide and propylene.In the production ...
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JP2003160522A |
To provide a method for producing propylene oxide from propylene and acetophenone by epoxidation without by-producing styrene, and cumene used as a carrier of oxygen for the epoxidation can be repeatedly used, and acetophenone can be obt...
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JP2003517433A |
The invention relates to a process for preparing Grignard compounds of the formula I. The invention additionally relates to compounds of the formula I and to polymer-bound compounds of the formula Ia. The invention further relates to the...
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JP3410492B2 |
PURPOSE: To obtain a new 7-octyn-1-ene derivative useful as a synthetic intermediate for la-hydroxyvitamin D derivative having a substituent at 2-site by a relatively short reaction process using an easily available inexpensive raw mater...
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JP3410120B2 |
PURPOSE: To prepare alcohols by hydrogenating carbonyl compds. at eleveted temp. and superatmospheric pressure in the presence of a particular homogeneous catalyst. CONSTITUTION: Carbonyl compds. is hydrogeneted at a temp. of 20-200°C, ...
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JP2003137939A |
To provide a new polymer which has a high fluorine content, can have polar groups in the same molecule, and can form films having high adhesiveness to substrates, to provide an anti-reflective material coated with the polymer, and to pro...
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JP2003515590A |
The present invention is directed to curcumin analogs exhibiting anti-tumor and anti-angiogenic properties, pharmaceutical formulations including such compounds and methods of using such compounds.
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JP3400291B2 |
To obtain the new subject compound having a stereostrucure at 1 position of cyclopentene ring useful as a flavoring material having a sandalwood-like fragrance. A compound of formula I (R is a 1-3C alkyl), e.g. (E)-(R)-2- ethyl-4-(2,2,3-...
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JP2003119163A |
To provide a novel method for producing a reactive polyoxytrimethylene glycol having unsaturated bonds and expected to be an important compound as a reactive polymer resource capable of forming a cleaning agent for lithography, various s...
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JP2003119200A |
To provide a method for safely and profitably producing the silane compound.This method for producing the silane compound comprises performing the first reduction of a silicon halide compound with sodium borohydride and/or the reaction p...
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JP2003112045A |
To provide a method for easily preparing ethyl 3-hydroxy-3-(2- phenylethyl)hexanoate in high yield useful as a raw material of pharmaceuticals and to provide an activated zinc useful for an organic synthesis reaction and a method for eas...
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JP2003513900A |
The invention concerns a fatty alcohol obtainable by a method which consists in reducing the carbonyl function of a vegetable or animal oil, the method consisting in reacting said vegetable or animal oil with appropriate amounts of polym...
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JP2003104166A |
To provide a seatbelt system with its tongue plate locked fast even when an inertia force in the operating direction of the unlocking member is imposed on the buckle.The buckle main body 11 for removably locking the tongue plate 7 is equ...
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JP2003104924A |
To provide a perfume and a fragrant substance comprising a usual perfume basic composition or a fragrant basic composition capable of mediating an odor suggesting a natural sandalwood or advantageously changing the fragrance present in t...
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JP2003101916A |
To provide a program information display device and a displaying method for integrating recorded programs and a reserved program to display the integrated recorded programs and reserved program and enabling a user to recognize contents o...
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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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JP3392982B2 |
PURPOSE: To provide a new optically active compound emitting intense, excellent and unique sandalwood-like fragrance and useful as a perfumery composition for various cosmetics, aromatic agents and other hygienic and sanitary materials. ...
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JP2003511229A |
A supported catalyst comprises a cationic rhodium(I) complex of the formulawherein R<1 >and R<2 >are the same or different hydrocarbon groups of up to 30 C atoms, or R<1 >and R<2 >are linked to form a ring, and a heterogeneous support me...
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JP2003088368A |
To provide a method for producing prenyl alcohol.This method for producing prenyl alcohol is to culture mutant cells mutated so as to reduce the amount of a transcript of squalene synthetase gene having translational activity and collect...
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JP3389176B2 |
To provide a new Lewis acid catalyst showing high reaction activity in an aqueous medium, easy to recover and also excellent in reusability. This polymer carrying Lewis acid catalyst is constituted by bonding a Lewis acid group represent...
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JP2003081953A |
To provide a method for producing propylene oxide by which whole volume of a reactor of an epoxidation process can effectively be utilized and a reaction proceeds efficiently and the deterioration of a catalyst caused by locally accumula...
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JP2003081955A |
To provide a method for producing propylene oxide by which whole volume of a reactor of an epoxidation step can effectively be utilized and a reaction proceeds efficiently and the deterioration of a catalyst caused by locally accumulatin...
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JP2003510180A |
(57) [Summary] The present invention relates to catalysts for asymmetric transfer hydrogenation based on transition metal compounds and nitrogen-containing optically opportunistic ligands. The present invention also relates to various me...
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JP2003064006A |
To provide a method for producing an oxidation product in high selectivity from an olefin compound under mild conditions by using molecular oxygen as an oxidizing agent and further using a catalyst.This method for producing the oxidation...
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JP2003064003A |
To provide an organic polymer semiconductor and a photoelectronic material, particularly a compound usable as an electroluminescent material.A fluorene-based compound represented by formula (1) (wherein R is hydrogen, a 1-22C aliphatic o...
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JP2003064070A |
To provide a method for producing purified propylene oxide, by which reaction heat generated in a process for reacting cumene hydroperxide with propylene in the presence of an epoxidation catalyst to obtain the propylene oxide and the cu...
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JP2003064009A |
To provide a new method for synthesizing an acetylene alcohol.This method for synthesizing an optically active acetylene alcohol represented by a general formula 1 (R is a 1-10C linear or branched chain alkyl group or a 3-6C cycloalkyl g...
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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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JP2003055281A |
To provide a method for producing a benzyl alcohol compound in high yield with high safety at a low cost by using sodium borohydride because a reaction for reducing a benzaldehyde compound with lithium aluminum hydride has a high risk du...
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JP2003055283A |
To provide a method for industrially advantageously producing a condensed ring-containing compound having a dimethanonaphthalene skeleton, etc. This method for producing the condensed ring-containing compound represented by general formu...
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JP2003055284A |
To provide a method for industrially advantageously producing a condensed ring-containing compound having a dimethanonaphthalene skeleton, etc. This method for producing the condensed ring-containing compound represented by general formu...
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JP2003048856A |
To enable reuse of acid catalysts used for a condensation reaction and reduce acidic waste water treatment used for the condensation reaction. This method for producing a polycyclic aromatic oligomer comprises reacting a bicyclic or tric...
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JP2003506331A |
The present invention relates to novel chiral phosphorus compounds which can be readily prepared from quinoline derivatives as inexpensive starting compounds and have the general formula I wherein R1, R2, R3, R4, R5 are chiral or achiral...
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JP2003040819A |
To provide a new method for producing 2-butyn-1-ol. This method for producing 2-butyn-1-ol comprises hydrolyzing 1,3-dichloro-2-butene to obtain 3-chloro-2-buten-1-ol and performing dehydrochlorination to synthesize the 2-butyn-1-ol, whe...
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JP2003505447A |
Vitamin D derivatives (I), having a cyclic substituent in the side-chain, are new. Also new are perhydroindane derivative intermediates (A) ands (B). Vitamin D derivatives of formula (I), including all possible epimers, diastereomers and...
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