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JP3230300B2 |
PURPOSE: To safely carry out the racemization with good operating efficiency by performing thermal reaction of a specific optically active diamine in the presence of hydrogen together with a catalytic reduction catalyst in a simple press...
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JP2001316339A |
To industrially and advantageously obtain a long chain amino alcohol expressed by formula (1): HO-R1-CH(-R2)-N(-R3)-R4 (R1 is a 5-10C straight chain alkylene or branched alkylene in which H in the straight chain alkylene group is replace...
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JP2001316348A |
To provide a new method for easily producing a cyano group- containing cyan coupler in high yield and productivity.This method for producing a cyan coupler of general formula 1 (R1 is H or a halogen; R2 and R3 are such that one of them i...
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JP2001294539A |
To provide a method for dehalogenating an organic halogen compound, by which the dehalogenation of the slightly degradable halogen compound such as PCB can rapidly and surely be carried out with a metal sodium dispersion, and to provide ...
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JP3213502B2 |
PURPOSE: To obtain in a single step and in high selectivity the subject compound useful as an intermediate for synthesizing dyes, agrochemicals or rubbers, by reaction between a phenol and an aniline in the presence of a hydrogen transfe...
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JP2001269579A |
To produce a fixed bed Raney copper catalyst used in fixed bed dehydrogenation of alcohol. The fixed bed Raney copper catalyst is doped with iron, a noble metal or other metal.
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JP2001270863A |
To provide a method for synthesizing and purifying a 6-substituted indole derivative useful as an intermediate for medicaments/agrochemicals and electronic material compounds. This method for producing a 6-substituted indole derivative o...
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JP2001261592A |
To provide a technology to obtain cyclopentene having high purity without lowering the selectivity and to provide a cyclopentanol production technology suppressing the deactivation of a zeolite catalyst.The present invention relates to a...
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JP2001261650A |
To provide a method for efficiently producing a pyridinealdehyde from the corresponding cyanopyridine.This method for producing a pyridinealdehyde comprises catalytically reducing the corresponding cyanopyridine with hydrogen in water or...
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JP2001261621A |
To provide an economical method by which the service life of a catalyst used for a reaction can be prolonged when bicyclo[2.2.1]-5-heptene-2- carbonitrile is hydrogenated to produce bicyclo[2.2.1]heptane-2-methanamine.This method is char...
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JP2001263828A |
To provide a catalyst having higher performance for using a liquid- phase methyl formate for a reaction for manufacturing a methanol by hydrogenating the methyl formate in a system for converting a thermal energy using a dehydrogenation ...
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JP3208298B2 |
To inexpensively and safely obtain the subject compound which is an advantageous raw material for insecticides having (tetrahydro-3-furanyl) methylamino group or various kinds of intermediates under mild conditions to the utmost. 3-Formy...
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JP3205648B2 |
PURPOSE: To obtain a compound in a high yield in the presence of ammonia and an anhydrous metal catalyst in a nonpolar aprotic diluent at a specific temperature at the time of executing catalytic hydrogenation of 2-chloro-5-cyano- pyridi...
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JP3199618B2 |
To readily obtain the subject compound useful as an intermediate for dyes, pigments, photographic agents, etc. in high quality and high yield. 1,4-Dihydroxynaphthalene is reacted with an alkali metal hydroxide (e.g. NaOH) under an inert ...
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JP2001213825A |
To provide high-purity 1,3-butylene glycol that has markedly reduced smell with the time of three months after it is produced, shows reduced change with the passage of time.In the presence of a catalyst, acetaldols are catalytically hydr...
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JP3193421B2 |
PURPOSE: To produce 2-amiho-4-fluorobenzoic acid in high yield from a 4- fluorohalogenobenzoic acid by an easy method. CONSTITUTION: A 4-fluorohalogenobenzoic acid is nitrated to produce a 4- fluoro-2-nitrohalogenobenzoic acid, which is ...
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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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JP2001187766A |
To provide a method for economically producing a primary amine with small amount of byproducts, in high yield and high selectivity in the reaction for producing the primary amine by hydrogenating a nitrile. This method for producing the ...
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JP3176185B2 |
PURPOSE: To obtain a novel N-cyclohexyl-N-phenyl-alkoxyaniline extremely useful as an intermediate for synthetic dyes and rubber agents, especially, an intermediate for fluoran compounds useful as a coloring compound for pressure- sensit...
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JP3174600B2 |
PURPOSE: To easily obtain a pilosinine deriv. which can be used as a precursor of pilocarpine having pharmaceutical effects such as perspiration, stimulation on parasympathetic nervous system and miotic effect, from an easily available s...
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JP2001139546A |
To provide a method for efficiently synthesizing and purifying a 5- substituted indole derivative useful as a raw material for intermediates for medicines and agrochemicals. This method for producing the 5-substituted indole derivative (...
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JP2001129565A |
To simply treat waste water containing nitrate nitrogen by a small- sized apparatus, to enable treatment stable against the fluctuations of load such as a change in an amount of nitrate nitrogen and to effectively treat even nitrate nitr...
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JP2001106721A |
To provide a method for producing 2-vinylimidazole polymer from low-cost 2-vinylimidazoline polymer. This method for producing 2-vinylimidazole polymer comprises heating and dehydrogenating 2-vinylimidazoline polymer in the presence of a...
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JP2001106655A |
To provide an isocamphylguaiacyl carbonate used as a raw material for preparing trans-3-isocamphylcyclohexanol which is useful as a component of perfume having a sandalwood-like fragrance, to provide a method for preparing the isocamphyl...
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JP3151540B2 |
PURPOSE: To profitably obtain a 2,2,6,6-tetramethyl-4-piperidylamine useful for production of light stabilizer for synthetic polymer which restrains generation of unreacted material and by-product and reduces use of catalyst. CONSTITUTIO...
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JP2001079411A |
To effectively recover the hydrogenation activity of a Raney nickel catalyst to extend its life span by washing with an alcohol the Raney nickel catalyst whose activity has been decreased in the production of sugar alcohol by a hydrogena...
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JP2001079410A |
To produce an activated fundamental metal fixed bed catalyst for hydrogenating saturated and unsaturated esters under a condition milder than existing technique with better activity and selectivity. A mixture consisting of a catalyst met...
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JP3146608B2 |
PURPOSE: To produce acrylamide in high activity and in high selectivity even in the presence of dissolved oxygen in a liquid phase part in catalytically hydrating acrylonitrile by using a Raney copper catalyst by introducing hydrogen dil...
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JP2001054735A |
To obtain low bulk density and high activity by making the titled catalyst have a hollowly formed body. This metallic catalyst has a hollowly formed body and preferably a hollow sphere. This catalyst particle has 0.5-20 mm diameter and 0...
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JP2001054736A |
To obtain high activity by preliminarily producing metal alloy fibers and/or metal alloy flocks by a crucible metal extraction method, subsequently making them into tablets, pressing them into a mat and/or filling a cartridge with them. ...
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JP2001502228A |
PCT No. PCT/HU97/00062 Sec. 371 Date Apr. 14, 1999 Sec. 102(e) Date Apr. 14, 1999 PCT Filed Oct. 14, 1997 PCT Pub. No. WO98/16309 PCT Pub. Date Apr. 23, 1998According to the invented process an alloy powder of catalytically active metal(...
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JP3129547B2 |
PURPOSE: To produce a glycolate in high yield, economically and advantageously with a small amount of by-product by oxidizing a monoethylene glycol through dehydrogenation in the presence of an alkali metal oxide, water and a catalyst co...
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JP2001019651A |
To provide a production process for trans-3-isocamphylcyclohexanol that is an essential component for the manifestation of sandalwood oil-like perfume in which 3-isocamphylguaiacol is hydrogenated in high yield in no need of expensive ca...
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JP3127480B2 |
PURPOSE:To produce a high-purity aliphatic tertiary amine with extremely suppressed dissolved metals under industrially advantageous conditions. CONSTITUTION:An aliphatic tertiary amine is directly produced from an aliphatic alcohol and ...
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JP2001500057A |
PCT No. PCT/EP97/04547 Sec. 371 Date Jan. 7, 1999 Sec. 102(e) Date Jan. 7, 1999 PCT Filed Aug. 21, 1997 PCT Pub. No. WO98/11058 PCT Pub. Date Mar. 19, 1998A catalyst suitable for preparing aliphatic alpha, omega-aminonitriles by partial ...
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JP2000327616A |
To obtain the subject compound efficiently and in a good yield by reacting an α,β-unsaturated aldehyde with an alcohol in the presence of an acid catalyst, hydrolyzing the reaction product and then hydrogenating. This method for produc...
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JP2000319256A |
To obtain an optically active (aminoalkyl)-substituted indole derivative, useful as the intermediate for a compound having a β3 adrenergic acceptor stimulant action, by methathesis of the salt obtained by reacting a specific derivative ...
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JP3107729B2 |
To provide succinic anhydride while prolonging the catalyst life and retaining the catalyst activity by adding succinic anhydride to maleic anhydride and hydrogenating in the presence of a hydrogenation catalyst in a specific condition. ...
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JP2000309565A |
To produce the subject compound useful as a production intermediate for compounds useful as agrochemicals, medicines and dyes in effective and improved method by hydrogenating the corresponding oxime in the presence of Raney nickel and a...
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JP3106568B2 |
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JP3098099B2 |
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JP3089020B2 |
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JP3089023B2 |
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JP3081065B2 |
PURPOSE: To provide a new amine capable of being used as a surfactant and further as a softener for clothes, hair, etc., and excellent in flexibility and in biodegradability. CONSTITUTION: The amine of formula I [R1 is 7-35C alkyl or alk...
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JP2000229943A |
To provide a method, which can stably produce an aminocarbazole in high yield while preventing deteriorated reaction rate, yield or the like by lot of the nitrocarbazole as the stock. This method is to produce an aminocarbazole by cataly...
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JP3077442B2 |
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JP2000212109A |
To provide a new production process for cyclohexanedimethanol that does not use aromatic compounds as feedstocks, but uses raw material of low load on the environment and can produce the target compound under mild reaction conditions. Th...
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JP3071950B2 |
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JP2000186082A |
To simply produce the subject compound useful as a production intermediate for anilide derivatives having antagonistic actions on monocyte chemoattractant protein-1 (MCP-1) receptors, antagonistic actions, or the like, on CCR5 at a low c...
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JP2000508305A |
A process for the coproduction of 6-aminocapronitrile (ACN) and hexamethylenediamine (HMD) by treatment of adiponitrile (ADN) with hydrogen in the presence of a nickel-containing catalyst at temperatures not below room temperature and el...
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