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JPH0827072A |
PURPOSE: To provide a production method for the subject compound, highly simple and advantageous in conducting it on an industrial scale, enabling the compound to be obtained in high yield by hydrogenation of 2-acetylamino-2- methylpropi...
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JPH085824B2 |
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JPH0820643A |
PURPOSE: To obtain the subject catalyst excellent in the conversion to amine and selectivity, useful as a catalyst for obtaining polyether polyamines from polyether polyols, containing specific amination catalyst(s) and cocatalyst thereo...
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JPH07121894B2 |
Aromatic diamino compounds are produced by hydrogenating the corresponding dinitro compounds in the presence of a modified Raney catalyst. The modified Raney catalyst is obtained by treating an alloy made up of 50-95 wt % of aluminum, 4-...
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JPH07119220B2 |
2-Alkyl-1, 4-butanediols are prepared from 1, 4-butynediol or 1, 4-butenediol by catalytic hydrogenation and reaction with an aldehyde.
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JPH07328446A |
PURPOSE: To easily produce a Raney catalyst in a short time, to reduce the cost of production, to attain a high rate of removal of NO in a low temp. region and to apply the catalyst as an exhaust gas purification catalyst by sintering a ...
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JPH07330694A |
PURPOSE: To obtain the subject compound that has a pharmacological activity of antidepressant drugs or the like with higher purity in no need of use of a halogen derivative and/or an alkylamine by using a specific diphenylmethane. CONSTI...
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JPH07330699A |
PURPOSE: To obtain an N-long chain acylamino acid salt having good color phase and flavor by hydrolyzing a specific amide-nitrile in the presence of a base followed by treatment with a metal hydride using inexpensive feedstock with indus...
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JPH07116089B2 |
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JPH07316089A |
PURPOSE: To obtain the subject compound in high yield, by using a specific modified Raney copper catalyst showing high performances, high particle strength and excellent filtering characteristics prepared by a simplified method having re...
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JPH07110842B2 |
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JPH07108887B2 |
N-(D)-ribitylxylidine (I) is prepared by reacting (D)-ribose (II) with 3,4-dimethylaniline (III) or 3,4-dimethyl-1-nitrobenzene (IV) in aqueous or aqueous/organic solution or in solution in a water-soluble organic solvent under an elevat...
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JPH07107025B2 |
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JPH07107049B2 |
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JPH07103077B2 |
PURPOSE:To easily obtain the title compound in high yield, advantageously on an industrial scale, by reacting acrylonitrile with water using an improved Raney copper catalyst having high activity, small intra-lot scattering of activity a...
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JPH07291908A |
PURPOSE: To provide a method capable of economically producing the objective primary aminoamine-based compound under an industrially advantageous conditions while suppressing formation of by-products such as a secondary amine or a tertia...
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JPH0798801B2 |
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JPH07278112A |
PURPOSE: To profitably obtain quinaldine by reacting quinoline with a 1-2C alkanol in the presence of a metal selected from iron, nickel and cobalt as a catalyst in a high boiling point aliphatic solvent, while preventing the production ...
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JPH0794428B2 |
epsilon -caprolactam is prepared by gas phase catalytic synthesis in which cyclohexanone oxime is brought into contact with crystalline alumino-silicate, for example, ZSM-5 (H<+> form) having a constraint index of 1 - 12, an Si/Al atomic...
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JPH0791270B2 |
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JPH0791242B2 |
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JPH0788332B2 |
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JPH0784438B2 |
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JPH07206737A |
PURPOSE: To provide a method for producing the corresponding alcohol by reacting an aldehyde, a ketone compound or a higher fatty acid ester with hydrogen. CONSTITUTION: When an aldehyde, a ketone compound or a higher fatty acid ester is...
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JPH07196565A |
PURPOSE: To obtain a new compound useful as a production raw material for pharmaceuticals, agrochemicals, liquid crystal compounds, additives for liquid crystal compositions, etc., and for the production of ferroelectric liquid crystal c...
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JPH07197110A |
PURPOSE: To maintain catalyst activity stably over a long period of time by allowing a copper alloy melt having specific components to scatter centrifugally and cooling the scattering fine particles to solidify in an inert gaseous atmosp...
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JPH07185341A |
PURPOSE: To prevent the releasing of the catalystic active component and the generation of chipping or damage by forming from a metal itself having catalystic activity to unnecessitate strict consideration about the adaptability between ...
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JPH07188126A |
PURPOSE: To produce isophoronediamine useful as a raw material for alicyclic polyamides and coatings in high yield and purity. CONSTITUTION: This process for the production of isophoronediamine comprises the 1st step to react isophoronpn...
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JPH07178342A |
PURPOSE: To reduce production cost and product price by extremely increasing catalyst activity, decreasing consumption and simplifying production process. CONSTITUTION: This nitrogen oxide removing catalyst is produced by removing Al fro...
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JPH0764796B2 |
Process for the preparation of aromatic haloamino derivatives, according to which a halonitro aromatic derivative is brought into contact with Raney nickel and hydrogen in the presence of iodide.
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JPH07165755A |
PURPOSE: To obtain buspirone having high purity in a high yield without producing by-products by hydrogenating a starting compd. by a novel method. CONSTITUTION: A soln. of 8-[4-[4-(pyrimidin-2-yl)-piperazin-1-yl]-buty-2-yl]-8-aza- spiro...
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JPH0753700B2 |
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JPH0749385B2 |
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JPH0749386B2 |
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JPH07138210A |
PURPOSE: To produce 1-(2,6-dimethylphenoxy)-2-aminopropane from 1(2,6- dimethylphenoxy)-2-propanone as an inexpensive raw material by one process readily and safely in high yield. CONSTITUTION: 1-(2,6-Dimethylphenoxy)-2-propanone is redu...
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JPH07138209A |
PURPOSE: To provide a production method for efficiently obtaining a halogen- containing aminomethyl compound by using a halogen-containing nitrile compound as a raw material, suppressing formation of by-products. CONSTITUTION: In product...
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JPH0747125B2 |
Method for obtaining acetic acid derivatives, such as glycin, IDA and NTA by dehydrogenation of mono-, di- and triethanolamine, respectively, in the presence of a Copper-Raney catalyst. Such method includes a step consisting in regenerat...
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JPH07133261A |
PURPOSE: To provide a method for producing aminocarbazoles in which the aminocarbazoles are obtained without retarding reducing reaction or deteriorating the yield by an influence of impurities such as nitrate radicals in raw material ni...
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JPH0745440B2 |
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JPH0745418B2 |
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JPH07112948A |
PURPOSE: To provide a production process capable of easily controlling the isomer ratio of 4-alkylcyclohexanol and provide a new and useful process capable of stably and industrially producing 4-alkylcyclohexanol having a desired cis-iso...
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JPH07101899A |
PURPOSE: To produce cyclopentanedicarboxylic acid having slight discoloration in high yield without decomposition of a raw material by hydrogenating cyclopentadienedicarboxylic acid in water solvent. CONSTITUTION: Cyclopentadienedicarbox...
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JPH0733341B2 |
Fluorinated C4- to C6-hydrocarbons are prepared by hydrogenating corresponding, at least partially halogenated olefins catalytically in the presence of a base.
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JPH0733369B2 |
Caprolactam is prepared by a process in which (a) a 5-formylvalerate is reacted with excess ammonia and hydrogen in the presence of an alkanol as a solvent and in the presence of a hydrogenation catalyst under superatmospheric pressure i...
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JPH0733370B2 |
Caprolactam is prepared by a process in which (a) the 5-formylvalerate is reacted with excess ammonia and hydrogen in the presence of an alkanol as the solvent and in the presence of a hydrogenation catalyst under superatmospheric pressu...
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JPH0789902A |
PURPOSE: To provide the novel compound useful as a raw material for 1-fluoro- t-2-oxy-1-r-cyclohexanecarboxylic ester derivatives as intermediates for herbicides. CONSTITUTION: The derivative of formula I [R1 is H or C=O-R2 (R2 is lower ...
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JPH0720895B2 |
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JPH0717587B2 |
In an improved process for the preparation of 6-aminocaproates by reacting a 5-formylvalerate with ammonia and hydrogen using an alkanol as a solvent in the presence of a hydrogenation catalyst at elevated temperatures and under superatm...
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JPH0717557B2 |
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JPH0753486A |
PURPOSE: To enable efficient synthesis of an acid amide by using a modified Raney copper catalyst obtained by the development of a ternary alloy consisting of copper, zinc and aluminum. CONSTITUTION: An amide compound corresponding to th...
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