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JPH06749B2 |
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JPH06745B2 |
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JPH0586936B2 |
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JPH0586260B2 |
PURPOSE:To obtain a methanol reforming catalyst having high H2 forming speed by developing a specific wt.% of an alloy consisting of Cu, Zn and Al and having a particle size of 100 mesh or less in an alkali solution at 30-60 deg.C. CONST...
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JPH05310653A |
PURPOSE: To obtain vanillylamine useful as a synthetic intermediate for capsaicin, etc., by catalytically reducing vanillin with hydrogen gas in the presence of aqueous ammonia using a metallic catalyst, then adding a metallic ion floccu...
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JPH05306245A |
PURPOSE: To improve a method for producing m-ethylphenol useful as an intermediate, etc., for medicines, agricultural chemicals and photographic agents, etc. CONSTITUTION: The objective method for producing m-ethylphenol is characterized...
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JPH05306244A |
PURPOSE: To produce m-ethylphenol useful as an intermediate for medicines, agricultural chemicals, photographic agents, etc. CONSTITUTION: The objective method for producing m-ethylphenol is characterized by dehalogenating a halogenated ...
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JPH0581577B2 |
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JPH0580959B2 |
The present invention relates to a novel compound tetrahydrocurcumin and a substance containing the same, which are produced from curcumin or a substance containing it as a material. This substance has characteristic properties such as s...
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JPH0575734B2 |
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JPH05271128A |
PURPOSE: To provide a novel substd. 1,5-pentanediol useful for coating materials, adhesives, ink, fibers, pharmaceutical intermediates, sealants, sterolithography and other final applications, etc. CONSTITUTION: The liquid hydrocarbon di...
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JPH05255214A |
PURPOSE: To obtain an acid amide from a corresponding nitrile compound in high catalytic activity and selectivity by using a Raney copper catalyst consisting of spherical fine particles. CONSTITUTION: A ≥2C aliphatic saturated nitrile,...
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JPH05246958A |
PURPOSE: To easily obtain the subject compound useful as an intermediate for pharmaceuticals, agricultural chemicals, industrial chemicals, etc., in high yield by reacting 2-chloro-3,5-difluoroaniline with hydrogen in the presence of a g...
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JPH0566951B2 |
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JPH0560814B2 |
PURPOSE:A feedstock containing paraaldol as a substantially major component is subjected to catalytic hydrogenation to produce the titled compound which is used as a starting material for a variety of synthetic resins and surface active ...
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JPH0558618B2 |
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JPH0557975B2 |
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JPH05213926A |
PURPOSE: To produce 2-furancarboxylic acid useful as an intermediate for pharmaceuticals, etc., from furfural or furfuryl alcohol without by-producing or leaving furfuryl alcohol which is a cause of discoloration. CONSTITUTION: 2-Furanca...
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JPH05201923A |
PURPOSE: To simply produce a dialkyl malonate at a high yield with minimum generation of unusable by-products by ozonizing a diketene, successively catalytically hydrogenating and estrifying the resultant reaction product. CONSTITUTION: ...
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JPH05194291A |
PURPOSE: To obtain 1,3-propanediol useful as an intermediate for the manufacture of polyester, etc., in a high yield and high selectivity by hydrating acrolein in an aq. soln. in the presence of a specified zeolite and hydrogenating the ...
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JPH05155833A |
PURPOSE: To obtain acrylamide or methacrylamide in high efficiency by the use of a Raney-copper catalyst developed under specific condition to improve the selectivity in the catalytic hydration reaction of acrylonitrile or methacrylonitr...
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JPH05117207A |
PURPOSE: To simplify the process for the recovery and reuse of a lower alcohol as a reactional solvent, to recover the objective compound from reactional liquid in high efficiency and to obtain an aromatic amine having slight color and u...
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JPH05111389A |
PURPOSE: To provide a novel antiviral agent low toxic to human health, having antiviral activity, to be used as e.g. an antiviral agent against retrovirus such as AIDS virus or Lous sarcoma virus, consisting of a specific deoxynucleoside...
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JPH0528703B2 |
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JPH0528225B2 |
Process for producing 2,3,5-collidine and/or 2,3,5,6-tetramethylpyridine which is characterized by reacting 3,5-lutidine as the starting material with an aliphatic alcohol having 1 to 4 carbon atoms, in the presence of a catalyst for hyd...
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JPH0597779A |
PURPOSE: To obtain the subject compound useful as a raw material for preventing and treating agents for cardiac diseases such as arrhythmia, hypertension, asthma, etc., by subjecting indanoneoxime to catalytic reduction under high pressu...
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JPH0585982A |
PURPOSE: To obtain the subject compound with excellent conversion rate and selectivity, using continuous process by dehydrogenating polyoxypropylene glycol in the presence of specified catalyst. CONSTITUTION: The compound is obtained by ...
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JPH0522700B2 |
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JPH0570429A |
PURPOSE: To easily obtain the title compound in an industrially advantageous way through, so called, one-pot process. CONSTITUTION: A 2-cyano-1-cyclopentenecarboxylic ester is first put to catalytic hydrogenation in an inert solvent in t...
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JPH0570433A |
PURPOSE: To selectively obtain in high yield the title compound useful as an intermediate for medicines and pesticides from an α-chlorocyanopyridine. CONSTITUTION: (A) A cyanopyridine having Cl at its α-site as substituent is hydrogena...
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JPH0517894B2 |
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JPH0558931A |
PURPOSE: To produce highly pure 2-methylresorcinol and 2-methyl-1,3- cyclohexanedione industrially, easily and advantageously. CONSTITUTION: 1,3-cyclohexanedione, formaldehyde and dialkylamine are subjected to Mannich reaction to obtain ...
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JPH0514710B2 |
A process for the production of piperidine by catalytic hydrogenation of furfurylamine and/or tetrahydrofurfurylamine in the presence of a hydrogenation catalyst by flowing hydrogen gas into a reaction zone, wherein the starting material...
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JPH0513940B2 |
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JPH0539249A |
PURPOSE: To produce 1-(3,5-dialkylphenoxy)-2-aminopropane useful as an intermediate for triazine-based herbicides in high yield. CONSTITUTION: A 1-(3,5-dialkylpheoxy)-2-propane expressed by formula I used as a starting substance is subje...
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JPH059427B2 |
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JPH0525560A |
PURPOSE: To remove Ni from waste liquids of various forms down to a residual content further lower than the reference value regulated by laws and ordinances by specifying operation and cation exchanger system at the time of recovering th...
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JPH051256B2 |
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JPH0481581B2 |
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JPH04356451A |
PURPOSE: To obtain new compounds useful as intermediates for producing diethanolamine derivatives and acid addition salts thereof useful as an antiarrhythmic agent by short processes without requiring a protecting group- introducing proc...
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JPH0476986B2 |
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JPH0476996B2 |
The invention is a new family of phosphine compounds which can be used to make optically active metal coordination complex catalysts which combine high efficiency with a capability of performing rapidly (high efficiency and rapidly being...
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JPH0471909B2 |
Indolines of the formula (I) in which R1 denotes hydrogen or C1-C4-alkyl, R2 and R3 independently of one another each denote hydrogen, C1-4-alkyl or phenyl, are obtained by catalytic cyclodehydration of a 2-(2'-aminophenyl)ethanol of the...
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JPH04308571A |
PURPOSE: To efficiently produce an aminopiperidine useful as a rubber chemical at a low cost by reacting 2-hydroxy-1,6-hexanedial, etc., with ammonia and hydrogen in the presence of a catalyst and subsequently subjecting the produced ami...
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JPH04283547A |
PURPOSE: To obtain a substd. monoamide of dicarboxylic acid monoalkylester in one process with a high yield. CONSTITUTION: A dicarboxylic acid alkylester expressed by formula I is made to react with a nitrile expressed by formula II and ...
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JPH04282375A |
PURPOSE: To produce high-purity 1-methylpiperazine, which is an useful compound whose demand is increasing in recent years as a raw material for medicine and antiparasitic agent at a low cost. CONSTITUTION: Piperazine is subjected to hyd...
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JPH04266858A |
PURPOSE: To provide a process for the production of an aliphatic amine having high quality and capable of giving a colorless derivative or storable over a long period in the form of amine without causing clouding. CONSTITUTION: An alipha...
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JPH04266860A |
PURPOSE: To easily and economically obtain a compd. useful as a detergent, agrochemical, microbicide, antistatic, preventing agent against caking, etc., with high yield by hydrogenating unsatd. primary aliphatic amines in a liquid phase ...
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JPH0458462B2 |
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JPH0457654B2 |
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