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JPS63185942A |
PURPOSE: To obtain the titled compound which is an useful raw material for various synthetic reactions in high yield, by reacting benzylamine with benzyl alcohol in the presence of a hydrogenation catalyst while feeding the benzylamine a...
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JPS63185943A |
PURPOSE: To completely carry out racemization of an optically active amine by simple operation, by thermally reacting optically active 1-methyl-3- phenylpropylamine and an acid addition salt thereof with a catalytic reduction catalyst un...
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JPS6338359B2 |
Glucopyranosido-1,6-mannitol, represented by the formula: and a process for its preparation are provided. The glucopyranosido-1,6-mannitol is obtained by catalytically hydrogenating neutral aqueous solutions of isomaltulose and cooling t...
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JPS6338355B2 |
A new synthetic route is provided for the production of 7-(2-aminomethylphenylacetamido)-3-(1-carboxymethyltetrazol-
5-ylthiome thyl)-3-cephem-4-carboxylic acid.
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JPS63179094A |
PURPOSE:To form a PR plating exhibiting high durability and a low hydrogen overvoltage characteristic by forming the coated film of an alloy of the surface of an electrically conductive base material by a cathode current in a soln. of th...
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JPS6337100B2 |
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JPS63132881A |
PURPOSE: To obtain the titled compound useful as an intermediate for synthesizing herbicidal compounds, by subjecting a phenoxyacetic ester to ring formation through reduction by catalytic hydrogenation in the presence of a catalyst. CON...
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JPS6326100B2 |
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JPS6325576B2 |
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JPS63118305A |
An improved process for the hydration of acrylonitrile to acrylamide where nitrile and water are contacted with a heterogeneous hydration catalyst and the process is improved by utilizing as feed acrylonitrile and water which are substan...
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JPS6324500B2 |
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JPS63112562A |
PURPOSE: To obtain the titled compound advantageously, by hydrogenating or isomerizing a quinoline or a 1,2,3,4-tetrahydroquinoline in the presence of a nickel catalyst under specific conditions while keeping decahydroquinolines prepared...
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JPS6320224B2 |
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JPS6393760A |
PURPOSE: To reduce the amount of a catalyst used and to improve economic efficiency, by dividedly adding a Raney nickel catalyst, in obtaining the titled compound by reducing an aromatic azoxy compound in an alkali metallic hydroxide, wa...
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JPS6393759A |
PURPOSE: To obtain the titled substance safely and inexpensively without causing problems of by-products, by reducing an aromatic azoxy compound with hydrazine hydrate in an aqueous solution of an alkali metal hydroxide in the presence o...
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JPS6388163A |
(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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JPS6318593B2 |
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JPS6368544A |
PURPOSE: To obtain the titled compound useful as a curing agent for epoxy resin, etc., by catalytically hydrogenating iminodiacetonitrile, to improve yield economically, by adding a phenol to the reaction system in the presence of a cata...
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JPS6313731B2 |
PURPOSE:To obtain a modified catalyst composition storable after adjustment, and always usable when wanted, by kneading a catalyst modified with a modifying agent and a silicone resin having gas permeability, and solidifying them into a ...
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JPS6313732B2 |
PURPOSE:To obtain a catalyst composition high in activity and durability, by fixing the catalyst to a silicone resin having gas permeability. CONSTITUTION:Ordinarily used catalyst, especially nonstereospecified catalyst, such as Pd, Pt, ...
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JPS6363642A |
PURPOSE: To obtain the titled compound useful as a paper strengthening agent in high yield at a low cost on an industrial scale, by using an iminodiacetonitrile as a raw material and subjecting to catalytic hydrogenation under specific r...
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JPS6311346B2 |
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JPS6311345B2 |
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JPS6325202A |
Intermetallic compounds and hybrides thereof, wherein they have been prepared by reacting hydrides of the elements of the main groups I, II, III and IV of the Periodic Table, magnesium hydridehalides or magnesium dialkyls having the gene...
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JPS63435B2 |
Aminoalcohol derivatives corresponding to the formula (I) in which Q is a group and the other substituents have the meaning shown in Claim 1 are prepared by reaction with a compound of formula I, in which Q represents a group or , with a...
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JPS6260375B2 |
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JPS6256854B2 |
The invention relates to novel 1-phenyl-2-amino-1,3-propanediol-N-alkyl derivatives having the general formula I (I) wherein R1 is hydrogen, alkyl having from 1 to 8 carbon atoms or phenoxymethyl, and R2 is hydrogen, alkyl having from 1 ...
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JPS6254778B2 |
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JPS6252733B2 |
A process for the preparation of 1,2,3,4-tetrahydro-9,10-anthracene-diol, in which catalytic hydrogenation of 1,4,4a,9a-tetrahydro-anthraquinone is carried out in the liquid phase to give 1,2,3,4,4a,9a-hexahydro-9,10-anthracene-dione fol...
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JPS6251251B2 |
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JPS62242649A |
The novel process consists in preparing aromatic diamines by catalytic hydrogenation of the corresponding aromatic dinitro compounds in the presence of an organic solvent, using tetrahydrofuran as the organic solvent.
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JPS62242651A |
PURPOSE: To obtain the titled compound useful as a raw material for indole, indoline, etc., by treating 2-(o-nitrophenyl)ethanol with calcium oxide or calcium hydroxide and reducing the treated substance with hydrogen in the presence of ...
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JPS6246536B2 |
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JPS62192360A |
Pyridinol carbamate is prepared by a process in which a carbamate of the formula H3C-NH-CO-O-R where R is methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl or tert.-butyl, is reacted with 2,6-bis-(hydroxymethyl)-pyridine in the prese...
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JPS6230982B2 |
Novel polyoxaalkyl aminoalcohols, well adapted for the complexation/solubilization of a wide variety of cations, have the structural formula:
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JPS62148447A |
Method for making alpha, beta-unsaturated carboxylic acid anhydrides by carbonylation of esters of acrylic acid or methacrylic acid in the presence of a catalyst system containing at least one noble metal from group VIII of the periodic ...
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JPS6229435B2 |
There is described the stereoselective total synthesis by a variety of routes of novel suitably substituted DELTA 2,3-1, 4-morpholine-2-carboxylic acids possessing a fused alpha -lactam ring in the 1,6-position and carrying a substituent...
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JPS6229434B2 |
There is described the stereoselective total synthesis by a variety of routes of novel suitably substituted DELTA 2,3-1, 4-morpholine-2-carboxylic acids possessing a fused alpha -lactam ring in the 1,6-position and carrying a substituent...
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JPS6228947B2 |
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JPS6225648B2 |
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JPS6221771B2 |
An alcohol is produced from a compound having an alkenyl group by a hydroformylation of said compound having an alkenyl group in a substantially water immiscible solvent in the presence of a hydroformylation catalyst which is soluble in ...
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JPS6220173B2 |
Fragrant cyclohexanol derivatives are produced by condensing 2-ethylidene-5-norbornene with a phenol compound, in the presence of a Friedel-Crafts catalyst; and hydrogenating the condensation product in the presence of a metal catalyst. ...
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JPS6252102A |
(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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JPS6251646A |
(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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JPS627176B2 |
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JPS6233545A |
Activated Raney metal cathodes are depyrophoricized by contacting them with at least one high-boiling, water-soluble, liquid organic polyhydroxyl compound.
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JPS626709B2 |
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JPS626542B2 |
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JPS624174B2 |
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JPS6216461A |
PURPOSE: To obtain the titled compound useful as an intermediate for a hindered amine weather-resistant agent for rubber, etc., economically in improved yield, by reducing and aminating triacetonamine with ammonia and H under specific ca...
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