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Matches 251 - 300 out of 583

Document Document Title
JPWO2002026725A1
光学活性3−ヒドロキシ−γ−ブチロラクト を効率的かつ簡便に、工業的に有利に製造 る方法を提供する。光学活性4−ハロゲノ 3−ヒドロキシ酪酸エステルを、含水...  
JP2004018528A
To provide an improved method of manufacturing 11(12)-pentadecen-15-olide.In the method of manufacturing 11(12)-pentadecen-15-olide by using 1-hydroperoxy-16-oxabicyclo[10.4.0]hexadecane (DDP-OOH) as the raw material in the presence of a...  
JP2004002349A
To provide a method for producing an optically active lactone compound capable of further improving an excess ratio of an enantiomer and a catalyst suitable for method for producing such the lactone compound.The method for producing the ...  
JP3478344B2
PURPOSE: To obtain a lactone compound useful as perfumes, medicines and agricultural chemicals or their synthetic intermediates by reacting a cycloalkanone with a peracetic acid in the presence of an acid anhydride in oxidizing the cyclo...  
JP2003535916A
(57) Ketone and aldehyde are hydrogenated to corresponding alcohol or alkyl group as a summary stoichiometrical reducing agent, using an organic metal ruthenium complex as H gas and a catalyst.  
JP2003534251A
(57) Summary applicants developed the process of oxidizing ketone to ester. This process contains the step to which ketone is contacted on hydrogen peroxide and a catalyst, and oxidization conditions. This catalyst -- empirical formula: ...  
JP3464219B2  
JP2003531185A
(57) The production method with which 3 and 4* dihydroxy butanoic acid (1) and its salt were improved from the source of summary D* or L* hexose is indicated. The method by maintaining in maintaining the base and oxidizer in a reaction m...  
JP2003527390A
(57) Summary book invention relates to the method of carrying out buyer * Willy Ge oxidization of an organic carbonyl compound.  
JP3411285B2  
JP2003517028A
(57) by hydrogenating the fatty series diester or lactone charging stock containing acid materials, such as corresponding monoester of a summary small quantity, such as dimethyl maleate and a diethyl maleate, The method for carrying out ...  
JP2003511428A
(57) A summary maleic anhydride, butane *1 and 4* ジオール, gamma* butyrolactone, And it is the method of carrying out simultaneous generation of at least one C compound chosen from among tetrahydrofurans, In order to generate maleic...  
JP2003504034A
(57). The carboxylic acid of a summary short chain and the alcohol of a long chain are used, and it is because the water added and/or it generated between reactions is removed completely partially. The new method of enabling oxidization ...  
JP2003502416A
(57) By combining the substituent which has alpha / before making a summary substitution butyrolactone and amine react] a well-known electric field effect value (F), the amino decomposition rate of a butyrolactone is adjusted so that pre...  
JP2002348325A
To provide a monomer with a polycyclic structure that has an alkenyl ether as a basic structure, a photosensitive polymer as a polymer product therefrom, and a resist composition comprising the polymer. This photosensitive polymer has a ...  
JP2002348284A
To provide a method for producing high-quality 15-pentadecanoride in a high yield. The present invention relates to the method for producing 15- pentadecanoride in which the hydrogenation of 15-pentadecenoride is made with a specific amo...  
JP2002529459A
(57) Production method of the tetrahydrofuran by hydrogenation of the maleic anhydride collected from the converting process of summary n-butane, and a gamma butyrolactone. The method which consists of the following processes is offered....  
JP3310056B2
PURPOSE: To easily obtain the subject compound in high optical purity at a low cost by the asymmetric hydrogenation of 4-methylene-2-oxetanone in the presence of a ruthenium-optically active phosphine complex as a catalyst. CONSTITUTION:...  
JP2002517388A
(57) The substituents R1 and R2 summary book invention among a general formula I: 化 1 type Hydrogen, an alkyl group, a hydroxyalkyl group or the aryl group that may be replaced, and doria -- the butyrolactone of which means a ルキル...  
JP2002145873A
To provide a method for the catalytic production of γ-butyrolactone.A γ-butyrolatone of general formula (R1 and R2 are each a substituent of the butyrolactone) is produced by the catalytic reaction of an olefin of general formula R1CHC...  
JP2002514572A
(57) Summary book invention relates to the use for treating tyrosine kinase inhibitor of the screw in drill compound type denoted by general formula I: 化 1, the medicine containing this, a virulent disease, and other diseases based on ...  
JP3281125B2
PURPOSE: To provide a catalyst system improved in selectivity and reaction speed at the time of carbonylation of epoxides by reaction with carbon monoxide. CONSTITUTION: Carbon monoxide and an epoxide are allowed to react with each other...  
JP2002512996A
(57) Summary butane or benzol is oxidized in the style of maleic anhydride content output, The maleic anhydride from an output style is absorbed at an absorption process using the inactive solvent of the high boiling point, In this case,...  
JP2002512993A
(57) Summary book invention oxidizes butane in 1, 4* butanediol, a tetrahydrofuran, and gamma* butyrolactone, Obtain the output style containing a maleic anhydride and a maleic anhydride is made to adsorb from an output style using high ...  
JP3274866B2  
JP2002105003A
To provide a dialkyne compound used as a new, stable liquid crystal compound, having such a specific low optical anisotropy (Δn) and a negative or positive dielectric anisotropy (Δ) as to be suitably used as a liquid crystal medium, es...  
JP2002502832A
(57) Summary book invention relates to the method of preparing large annular products for having nine or more ring atoms by the closed ring ジイン metathesis of a suitable ジイン substrate. A ジイン substrate is convertible for ...  
JP2002020377A
To provide a new lactone compound which polymerizes and gives a high energy beam sensitive resist material excellent in sensitivity, resolution, etching resistance, useful for microprocessing by an electron beam and far ultraviolet ray, ...  
JP2002501913A
(57) The new production method of summary gamma —ブチロ lactone is indicated. The anhydride of maleic acid and (or) succinic acid is left, and conversion is performed under existence of a Cu/Cr catalyst in the gaseous phase.  
JP2002500221A
(57) The new production method of summary gamma —ブチロ lactone is indicated. The anhydride of maleic acid and (or) succinic acid is left, and conversion is performed under existence of the catalyst which consists of a copper oxide ...  
JP2001523656A
(57) The manufacturing process for summary butane *1, 4* オール, gamma* butyrolactone, and/or a tetrahydrofuran is explained. In an absorption zone, the steamy style containing a maleic anhydride, water, and carbon monoxide, In atmosp...  
JP2001523657A
(57) It is the method of manufacturing at least one C compound chosen from summary butane *1, 4* オール, gamma* butyrolactone, and a tetrahydrofuran, The high boiling point ester fluid of a maleic anhydride is etherified by C*C アル...  
JP2001521931A
(57) Manufacture of a summary 4* ヒドロキシ substitution butyrolactone is explained. The production method of 3* ヒドロキシ butyrolactone, 1 and 2, 4* トリヒドロキシ butane and 3, and 4* dihydroxy acid methyl ester is co...  
JP3227030B2
PURPOSE: To readily synthesize invictolide, i.e., one component of queen- recognition pheromone through a few processes by using diethyl methylmalonate and methacrolein as the starting substances. CONSTITUTION: Diethyl methylmalonate of ...  
JP2001521533A
(57) In a summary reaction medium, annular output is prepared by the alternative olefin metathesis of two organic functions or a polyfunctional substituent under one or more existence of a uniform or uneven metathesis catalyst. The subst...  
JP2001521483A
(57) In order to manufacture a summary 9* デアザ guanine derivative, aldehyde or ketone is made to react to ジアル kill amino マロネート, and corresponding エナミン is made to form. Next, this エナミン is made to react...  
JP2001516366A
(57) How to generate a tetrahydrofuran, a gamma butyrolactone, and a butanediol by making maleic anhydride ester into start material by two hydrogenation before and after a summary.  
JP2001515519A
(57) How to generate a tetrahydrofuran and a gamma butyrolactone from maleic acid, a succinic anhydride, or fumarate ester by two steps of steamy phase hydrogenation before and after calling it the preceding paragraph story which uses a ...  
JP2001246254A
To produce a novel palladium-rhenium catalyst having rhenium extremely uniformly distributed and carried on a coal, coconut or peat type activated carbon as a carrier and having a good hydrogenation capability for dicarboxylic acids and ...  
JP2001232205A
To provide a catalyst for oxidizing reaction for oxidizing cyclohexane to -caprolactam.The catalyst for oxidizing reaction comprises a composition containing antimony trifluoride and silica.  
JP2001219067A
To provide a catalyst for economically producing lactones, which is long in service life and high in selectivity coefficient of a reaction product, and to provide a method for producing lactones efficiently by using the catalyst.This cat...  
JP2001199976A
To provide a method for producing a macrocyclic lactone in high yield and high productivity. This method for producing a macrocyclic lactone comprises subjecting a hydroxycarboxylic acid ester represented by a formula (1) to intramolecul...  
JP3191337B2
PURPOSE: To inexpensively obtain the title compounds in reduced production of aryl formate, high selectivity and high yield by carrying out a co-oxidation reaction of cyclic ketones and aromatic aldehyde in specific ranges of molar ratio...  
JP2001507409A
(57) Summary book invention is the method of guiding a liquid continuously when 蒸解 (ing) pulp in 蒸解 equipment, It enables it to circulate through the liquid used in a specific processing process between the container arranged on ...  
JP3132532B2  
JP2000288399A
To obtain a novel ruthenium-optically active phosphine complex mix ture useful as a catalyst for organic synthesis and an asymmetric hydrogenation catalyst useful for the production of optically active 4-methyl-2-oxycetanone. A ruthenium...  
JP3095293B2
PURPOSE: To provide a process for producing γ-butyrolactone in high efficiency at a low cost while enabling the recycled use of unreacted substance. CONSTITUTION: γ-Butyrolactone is produced by the vapor-phase catalytic dehydrogenation...  
JP2000256342A
To obtain a corresponding ester or lactone in high yield from a ketone using hydrogen peroxide. This ester or lactone of formula II (Ra and Rb are each an organic group having a carbon atom at the binding site to the ad-jacent carbonyl c...  
JP3089040B2  
JP3085497B2  

Matches 251 - 300 out of 583