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JPS63503383A |
Process for producing diaminoalkane derivatives of general formula (I) where R1? is an acyl residue or sulfonyl residue, R2? represents an alkyl group with up to 6 carbon atoms and possibly substituted by a hydroxy group, a lower alkanoy...
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JPS63297355A |
PURPOSE: To obtain the titled compound useful as a precursor of agricultural chemicals and isocyanates under low reaction pressure in high yield, by reacting an amine or amino acid with carbon monoxide, an alcohol and oxygen in the prese...
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JPS63280051A |
PURPOSE: To obtain a compound useful as an agricultural chemical raw material and an isocyanate precursor under low pressure and in high yield without using aniline as a raw material, by using a specific catalyst and a nitrogen-containin...
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JPS63250358A |
A process for the preparation of alpha -cyanobenzyl esters of cyclopropane carboxylic acids and substituted alkanoic acids by treating a carboxylic acid and a benzaldehyde with a metal cyanide, followed by treatment with a sulfonyl halide.
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JPS63502585A |
A process for preparing a racemic or chiral aryloxypropanolamine (1) or arylethanolamine (2) of the formula (1) or (2) wherein Ar is aryl, substituted aryl, heteroaryl, or aralkyl and R is alkyl, substituted alkyl, aralkyl or WB wherein ...
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JPS6348248B2 |
PURPOSE:In subjecting a methyl group directly linked to an unsaturated bond and a nitrogen monoxide gas to catalytic oxidation to give a corresponding nitrile to obtain the titled compound under specific temperature condition advantageou...
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JPS6345662B2 |
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JPS6337107B2 |
beta -Lactam antibiotics of the formula in which A is a hydrogen atom, an optionally substituted alkyl, alkenyl, alkinyl or cycloalkyl group, a substituted or unsubstituted phenyl ring, a polycyclic aromatic ring or an optionally substit...
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JPS63170344A |
PURPOSE: To obtain a compound useful as various performed chemical mediators or an intermediate thereof in high yield without using an expensive and slightly obtainable reagent, by reacting an α-amino acid ester with an α-substituted c...
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JPS63145240A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS6323824B2 |
1. A method of removing the heat of reaction from continuous exothermic chemical reactions conducted in the liquid phase, which method comprises introducing a fluid which is inert to the reactants and in which reactants and reaction prod...
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JPS6323974B2 |
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JPS6317070B2 |
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JPS6379855A |
PURPOSE: To suppress formation of by-products and to obtain the titled compound useful as an ion exchanger, etc., advantageously and in high yield, by using no solvent or an extremely small amount of a solvent, in reacting a specific hal...
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JPS6377846A |
PURPOSE: To obtain the titled compound useful as a synthetic intermediate for pharmaceuticals, etc., in high yield at a low production cost without accompanying side reactions, by reacting an olefin with a formic acid derivative in carbo...
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JPS6351339A |
PURPOSE: To readily obtain the titled compound useful as a raw material for producing optically active α-amino acids in high yield, by hydrolyzing an imidazolidinone-4 compound in an aqueous solution at a specific temperature while succ...
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JPS639495B2 |
The known synthesis for the production of aromatic substituted acetonitriles by reaction of aromatic substances with cyanogen chloride in the gas phase is improved by feeding the starting materials in gaseous form and separated from each...
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JPS6257618B2 |
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JPS6251262B2 |
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JPS62244425A |
A process for the management of by-product tetranitromethane (TNM) which avoids the hazards of the prior art isolation or extraction procedures. A selected in-plant liquid or vapour stream, or a reactor off-gas stream from nitration or n...
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JPS62204848A |
A catalyst for hydrogenation of carbon-carbon double bonds, nitro groups and aldehyde groups in aliphatic and aromatic compounds comprises a membrane made from an alloy consisting of 80 to 95% by mass of palladium and 5 to 20% by mass of...
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JPS6241694B2 |
A process for the preparation of trifluoromethylanilines. Hydrolysis and exchange fluorination of a para-trihalomethyl benzene isocyanate or carbamyl halide are carried out in liquid hydrofluoric acid.
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JPS62178555A |
The invention relates to a process for the preparation of alpha -hydroxycarboxylic acid amides of the formula: where R1 represents alkyl, alkaryl, aryl, alkenyl, heteroalkyl or heteroaryl, whether or not substituted, R2 represents hydrog...
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JPS62178557A |
The invention relates to a process for the preparation of alpha -amino- alpha -methylcarboxylic acid amides and alpha -amino- alpha -cycloalkylcarboxylic acid amides of the formula: where R1 represents alkyl, alkaryl, aryl, alkenyl, hete...
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JPS62167731A |
1. A process for reducing carbonyl compounds or heteroaromatic, fused aromatic or fused heteroaromatic compounds, which comprises reacting these compounds with hydrocarbons in the presence of carbon at 150-500 degrees C.
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JPS6233211B2 |
Organic amides, including polyamides are efficiently prepared by the direct reaction of an organinitrile and an amine in the presence of water and a reaction catalyst. The catalysts employed are compounds containing one or more of the fo...
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JPS62501068A |
A process for the production of amino compounds from hydroxyl compounds (Voelter reaction), according to which a hydroxyl compound is converted with trifluormethanesulphonic acid anhydride in water-free conditions, the corresponding trif...
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JPS6216940B2 |
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JPS6215531B2 |
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JPS6211616B2 |
Alcohols are dehydrogenated to form ketones, using a catalyst containing liquid indium dispersed and retained in the pore structure of a porous carrier. The catalyst is prepared by mixing powdered In2O3 and MgO, firing the mixture at 900...
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JPS6239554A |
PURPOSE: To obtain a compound useful as a surfactant of high safety and quality in good yield by simple operation, by deacidifying or desalting an acid addition product of an aminocarboxylic acid (or a salt thereof) by electrodialysis. C...
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JPS6229534A |
PURPOSE: To obtain a nitrile useful as an industrial raw material, by reacting a methyl-substituted aromatic compound or methyl-substituted olefin with NO in the presence of an alumina catalyst supporting an alkali metal oxide and tellur...
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JPS6216459A |
NEW MATERIAL:An amide derivative produced by bonding a sulfur-containing amine and a 5W20C saturated fatty acid with an amide bond. USE: An antiulcer agent and anti-inflammatory agent. It has excellent anti-peptic ulcer activity and anti...
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JPS62890B2 |
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JPS61293933A |
PURPOSE: To produce the titled compound easily in high purity, by reacting ammonia to an epoxy compound containing a halogen compound as an impurity, adding an aqueous solution of an alkali to the reaction mixture, and removing the ionic...
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JPS6155488B2 |
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JPS61227534A |
Process for the catalytic synthesis of nitrogen-containing organic compounds, comprising the reaction of carbon monoxide with at least one amino compound in a reaction mixture containing a catalyst based on selenium and a substituted pyr...
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JPS61218581A |
NEW MATERIAL:The thine compound of formula I (R1 is H or lower alkyl; R2 is acyl). EXAMPLE: 3-Formyl-5-methyl-1,3,4-thiadiazole-2(3H)-thione. USE: An acylation agent. PREPARATION: The compound of formula I can be produced by reacting the...
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JPS6141326B2 |
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JPS61200926A |
PURPOSE: To carry out the deprotection of an amino group protected with 2- alkenyloxycarbonyl group, without producing hardly separable by-products, in high efficiency, by using a platinum-group metal compound catalyst in the presence of...
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JPS61189231A |
PURPOSE: To obtain the titled compound useful as an intermediate for the pigment of pressure-sensitive paper, etc., in high efficiency, by carrying out the dehydrative condensation of an N,N-disubstituted aniline with 1-(4- aminophenyl)e...
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JPS61112065A |
1. A process for selective addition of a cyclic secondary amine of general formula : see diagramm : EP0176398,P8,F5 in which R1 and R2 form together with the nitrogen atom to which they are attached a piperidino or phorpholino radical, t...
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JPS6121925B2 |
A process for the halogenation (bromination or chlorination)/nitration/fluorination of aromatic derivatives substituted by at least one group containing a halogenoalkyl unit. The aromatic derivative is reacted with a halogen and a nitrat...
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JPS61106579A |
beta -Lactam antibiotics of the formula in which A is a hydrogen atom, an optionally substituted alkyl, alkenyl, alkinyl or cycloalkyl group, a substituted or unsubstituted phenyl ring, a polycyclic aromatic ring or an optionally substit...
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JPS6120534B2 |
An adiabatic process for the mononitration of nitratable aromatic hydrocarbons and halo substituted aromatic hydrocarbons which yield a mononitration product containing less than 500 ppm. of dinitrated product is disclosed.
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JPS6197262A |
There is described a process for producing fungicidally active 4-phenylpyrrole derivatives of the formula I (I) wherein R is halogen, C1-C6-alkyl or C1-C6-haloalkyl, and n is 0, 1 or 2, which process comprises reacting a 3-trifluoromethy...
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JPS6115048B2 |
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JPS6176447A |
PURPOSE: To obtain a stable amount of an acid amide compound, easily and stably, and to facilitate the precipitation and filtration of the reaction catalyst from the reaction liquid, by hydrating a nitrile compound in a liquid-phase susp...
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JPS6144843A |
Alkylidene compounds and arylidene compounds are prepared by reacting the corresponding CH-acidic compounds with carbonyl compounds in the presence of a catalyst comprising a metal compound of a metal of Groups IIA, IIIA, IVA, IB, IIB, V...
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JPS616804B2 |
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