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JP2851439B2 |
PCT No. PCT/FR94/01477 Sec. 371 Date Sep. 23, 1996 Sec. 102(e) Date Sep. 23, 1996 PCT Filed Dec. 16, 1994 PCT Pub. No. WO95/17960 PCT Pub. Date Jul. 6, 1995The present invention relates to the field of the catalytic hydrogenation of nitr...
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JP2851438B2 |
PCT No. PCT/FR94/01476 Sec. 371 Date Sep. 24, 1996 Sec. 102(e) Date Sep. 24, 1996 PCT Filed Dec. 16, 1994 PCT Pub. No. WO95/17959 PCT Pub. Date Jul. 6, 1995The invention relates to a method of doping a Raney nickel catalyst doped with me...
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JPH1112231A |
To produce the subject compound industrially useful as a raw material substance for polyamides and polyurethanes by carrying out the reducing aminating reaction of a dialdehyde in the presence of a hydrogenating catalyst, hydrogen and am...
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JP2845336B2 |
Polyamines are prepared via the batchwise hydrogenation of polynitriles by the gradual addition of the polynitrile into a fed-batch reactor which contains a Raney cobalt catalyst. The hydrogenation is optionally conducted in the presence...
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JP2838529B2 |
(3S, 5S)-(-)-2,6-dimethyl-3,5-heptanediol expressed by the following formula: and (3R, 5R)-(+)-2,6-dimethyl-3,5-heptanediol expressed by the following formula: are disclosed, which are useful as reagent for asymmetric synthesis such as c...
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JPH10328569A |
To obtain a catalyst capable of advantageously performing the hydrogenation, dehydrogenation and hydrocracking of an organic and inorganic body by forming the catalyst only from a catalytic alloy and specifying total pore volume or the l...
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JP2835413B2 |
NEW MATERIAL:The compound of formula I (R<1> and R<2> are H, halogen, alkyl, alkoxy or alkylthio). EXAMPLE:10-(3-Chloro-1-azabicyclo[2.2.21]oct-3-ylmethyl)-phe
nothiazine. USE:An intermediate for mequitazine having antihistaminic, cholin...
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JP2834495B2 |
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JPH10316639A |
To provide a method for obtaining a high-purity objective substance without requiring a high-pressure condition while preventing the formation of by-product in producing 5-amino-2,4,6triiodoisophthalic acid by using 5- nitroisophthalic a...
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JPH10310559A |
To produce a highly pure diamine from a dialdehyde. This method for producing a diamine comprises feeding a solution obtained by dissolving a dialdehyde in a solvent into a reactor having a hydrogenation catalyst, a solvent, ammonia and ...
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JP2825534B2 |
New fluorocyclopropyl derivatives of the formula …… in which… R stands for alkyl, optionally substituted aryl or optionally substituted aralkyl,… X stands for hydrogen, chlorine or bromine and… R<1> stands for hydroxyl, alkoxy,...
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JPH10306067A |
To obtain the subject compound of high purity with suppression of by-product formation by catalytic hydrogenation of 5-nitroisophthalic acid in the presence of a specific compound under specific conditions. When 5-nitroisophthalic acid i...
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JPH10511598A |
A hydrogenation catalyst based on an alloy of aluminum and of a transition metal is prepared by preparing a kneaded material from the alloy and an assistant, converting the kneaded material into moldings, calcining the moldings and treat...
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JP2820429B2 |
3-(3,4,5,6-Tetrahydrophthalimido)-benzaldehydes of the type I I or corresponding derivatives substituted in the phenyl ring are prepared by (a) acetalization of a 3-nitrobenzaldehyde III or of a corresponding derivative with an alcohol I...
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JP2816002B2 |
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JP2811065B2 |
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JP2805777B2 |
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JP2804877B2 |
PURPOSE: To obtain the compound in a high yield and selectivity in an economically advantegeous way by oxidative dehydrogenation of an amino alcohol in the presence of a combination of water and an alkali (alkaline earth) metal hydroxide...
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JPH10251211A |
To obtain the subject compound in high yield by directly nitrating dialkyl phthalates and reducing the resultant nitrophthalic acid dialkyl ester. Dialkyl phthalates (dimethyl phthalate) of formula I (R1 and R2 are each an alkyl or a cyc...
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JPH10231291A |
To provide a method for modifying the subject compound useful as, e.g. an intermediate for fine chemicals, by reacting a 1,3,5-triazine derivative having a (mono-substituted) amino group with an alcohol under heating in the presence of a...
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JPH10231288A |
To obtain the subject compound useful as an intermediate for synthesizing medicines, agrochemicals, etc., by reacting 2-chloro-4-tri, di or monochloromethylpyridine with an amine and hydrogen in the presence of a catalyst for hydrogenati...
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JP2792046B2 |
Optically active hydroxybenzylamine derivatives of the Formula: wherein R<1> denotes a hydrogen atom, lower alkyl group or lower alkoxy group; R<2> denotes a lower alkyl group; * signifies an asymmetric carbon atom; and the hydroxyl grou...
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JP2786272B2 |
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JP2784203B2 |
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JPH10204045A |
To economically product the subject high-purity compound, useful as a builder for detergents and excellent in chelating ability in high yield at a low cost by carrying out the oxidizing dehydrogenating reaction of a hydroxyaminocarboxyli...
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JPH10204048A |
To produce an aromatic cyanomethylamine in a high yield by converting an aromatic dinitrile into the aromatic cyanomethylamine in a high conversion rate according to a reaction at a low temperature under a low pressure in a method for hy...
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JPH10204084A |
To effectively obtain the subject compound useful for an agrochemical industrially efficiently by reacting an aminoquinazolinone derivative with 3- ccyanopyridine. A compound of formula I (R is H, a lower alkyl, etc.) or a compound of fo...
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JPH10204044A |
To economically produce the subject high-purity compound, useful as a builder for detergents and excellent in chelating ability in high yield at a low cost by carrying out the oxidizing dehydrogenating reaction of an amino- ether alcohol...
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JP2774607B2 |
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JPH10182670A |
To provide an industrial production process for cycloalkyl-substituent- containing silane or polyorganosiloxane. This process is for producing the cycloalkyl-substituent- containing silane or polyorganosiloxane in an industrial scale and...
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JPH10175925A |
To produce 2-aminomethyl-1,5-diaminopentane by highly selectively reducing 2-aminomethylglutaronitrile under relatively mild conditions. 2-Aminomethylglutaronitrile is hydrogenated in the presence of a Raney-nickel catalyst and an alkali...
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JP2768971B2 |
PURPOSE:To obtain a catalyst easy to prepare and having high ammonia synthesizing activity by adding an alkali metal compound to a Raney ruthenium alloy before performing hydrogenolysis. CONSTITUTION:At first, ruthenium metal and aluminu...
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JP2767458B2 |
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JPH10151350A |
To provide the Raney metallic catalyst of a fixed bed having macropores, sufficient mechanical stability and high catalytic activity and released from the defects of the conventional technique such as the low macropore ratio or the prese...
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JP2762107B2 |
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JPH10139712A |
To easily obtain in a high yield the subject high purity compound by carrying out a reaction of methoxybromonaphthalene and ethylenedioxybutene in the presence of a specific catalyst and a co-catalyst, followed by catalytic hydrogenation...
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JP2751457B2 |
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JPH10101659A |
To produce a substituted thiazolidine-dione derivative at a high yield by using a material easy to be produced by catalytic hydrogenation of a benzylidenethiazolidine-dione derivative in the presence of a nickel-containing catalyst in a ...
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JP2739504B2 |
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JP2737297B2 |
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JPH1087531A |
To provide a method for producing D-arabitol, enabling to obtain the compound useful as an intermediate for synthesizing xylitol from a low cost raw material with a good yield, by hydrolyzing a lactose solution, oxidizing the hydrolysate...
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JPH1087573A |
To provide a method for economically producing a primary amine useful as a raw material for a polyamide, diisocyanate, etc., in a mild condition in good yield by reducing a specific primary dioxime in the presence of a hydrogenation cata...
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JP2735326B2 |
3-Pyrrolidinol or its salt is econimically produced by cyclizing an aminobutanol derivative of the formula: wherein R is an alkyl or a substituted or unsubstituted phenyl group, or its salt.
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JP2736436B2 |
In a process of producing composite materials consisting of sheet metal plates, metal strips and foils and provided with a skeleton surface structure, a layer of a metal powder which is difficultly flowable and consists of irregularly sh...
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JPH1081641A |
To provide a method for producing 4-tert-butylcyclohexanol excellent in characteristics as a perfume at a mild condition in high selectivity. Raney ruthenium is used as a catalyst when 4-tert- butylcyclohexanol is obtained by performing ...
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JP2724001B2 |
Isopropanol is prepared through catalytic hydrogenation of acetone by feeding hydrogen gas and acetone liquid into a reactor having a fixed catalyst bed from its top to form a cocurrent gas/liquid downflow while maintaining the catalyst ...
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JPH1045687A |
To obtain the subject both compounds useful as raw materials for medicines, agrochemical agents, functional pigments, liquid crystals, sensitizers, etc., by reacting 2-indanone produced from a specific indanediol with water, with aniline...
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JPH1045681A |
To produce the subject new compound which is a reductively hydrogenated substance of 1,2,4-tricyanobutane (TCB) useful as an epoxy resin curing agent, a rust preventing agent, an agrochemical, a urethane, a polymeric flocculant, etc. 1,2...
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JP2713612B2 |
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JP2713615B2 |
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