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JPH0753433A |
PURPOSE: To efficiently produce ketones such as acetone or methylethyl ketone by dehydrogenating a secondary alcohol using a globular modified Raney copper obtained by developing a ternary alloy consisting of a globular copper, zinc and ...
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JPH0753454A |
PURPOSE: To obtain the subject compound useful as a synthetic intermediate for a pyrimidine ether derivative useful as a medicine and an agrochemical by bringing a 2-oxo-1-cycloalkanecarboxylic acid derivative into contact with hydrogen ...
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JPH0753986A |
PURPOSE: To improve the perfume and taste of a specified lactone in an industrially advantageous manner by refining the lactone by hydrogenation in the presence of a specified metallic catalyst. CONSTITUTION: A lactone of the formula (wh...
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JPH0733699A |
PURPOSE: To provide a process for the direct production of 1,4- decahydronaphthalenediol from α-naphthoquinone in a high yield. CONSTITUTION: 1,4-Decahydronaphthalenediol is produced by hydrogenating α-naphthoquinone in a polar organic...
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JPH075503B2 |
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JPH07567B2 |
PURPOSE:To obtain the titled compound in high purity, yield and selectivity, by separating the titled compound having high purity from a reaction mixture obtained by the iodination of fluorobenzene and hydrocracking the residue to recove...
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JPH072743A |
PURPOSE: To obtain an aminocarboxylic acid salt in high yield and selectivity on an industrial scale at a low cost by a production method having a high initial reaction activity and a small activity drop of catalyst in repeated uses and ...
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JPH06340594A |
PURPOSE: To obtain tert. dialkyl polyhydroxyamine, preferably in the form of di-1-6C alkylglycamine in high yield and with high purity. CONSTITUTION: Sec. N-monoalkyl polyhydroxyamine is reacted with an aldehyde in mole ratio of 1:(0.9-1...
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JPH0692368B2 |
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JPH0686412B2 |
In order to improve the wear resistance properties of lubricants, at least one compound of the following formula is incorporated therein: (I) Rf is a perfluorinated radical, a=0 to 10, b=0 or 1 (if a=o and c=1), c=1 to 4 (2 if a NOTEQUAL...
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JPH06298711A |
PURPOSE: To produce an optically active 2,3-dihydro-1H-indene derivative useful as a synthetic intermediate for a compound known as an anoxemia-treating agent and an antioxidation agent in high purity and yield. CONSTITUTION: A 2,3-dihyd...
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JPH06285370A |
PURPOSE: To produce correspondent amines from cyclic ketones at high yield by using an activated carbon as an imination catalyst. CONSTITUTION: In the production of corresponding amines by reduction amination reaction of cyclic ketones, ...
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JPH06279410A |
PURPOSE: To produce the subject compound useful as a synthetic raw material for medicines and agrochemicals from 2-chloro-5-trichloromethylpyridine as a starting raw material by one pot. CONSTITUTION: 2-chloro-5-trichloromethylpyridine i...
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JPH06271518A |
PURPOSE: To provide a simple production process for glycine from serine or glyceric acid. CONSTITUTION: Serine is subjected to dehydrogenation and decarbonylaton in the presence of a catalyst comprising at least one of Rh, Pt, Pd, Ru, Ni...
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JPH0669991B2 |
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JPH06247918A |
PURPOSE: To provide a method to produce a phenylbenzamide derivative used as an agricultural microbicide in an efficiency sufficient for industrial production by omitting a costly step or a dangerous step. CONSTITUTION: A halogenone (R i...
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JPH06239812A |
PURPOSE: To obtain the subject compound in a safe and simple operation in an industrial scale under mild reaction conditions by acylating a 7-hydroxy-1- indanone oxime derivative, catalytically reducing the acylated product and, if neces...
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JPH06234710A |
PURPOSE: To prepare a highly pure aminoalcohol in high yield by hydrogenating a halonitroalcohol in the presence of methanol, an appropriate buffering agent and a hydrogenation catalyst, then neutralizing the obtained aminoalcohol salt f...
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JPH0662524B2 |
When making an a amide by hydrolysis of a nitrile in an aqueous medium containing a Raney copper catalyst, the yield of amide can be increased and the yield of impurities can be decreased by including vanadium metal in the catalyst. The ...
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JPH0662527B2 |
A catalyst useful in the practice of a process, in which (meth)acrylamide is prepared through the hydration reaction between (meth)acrylonitrile and water in a suspended liquid-phase bed of a Raney copper catalyst, has been obtained by l...
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JPH0662657B2 |
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JPH06228054A |
PURPOSE: To obtain a new compound useful as a synthetic intermediate for industrial materials such as a ferroelectric liquid crystal, medicines such as an antiinflammatory agent or fluoroamine derivative having inhibiting action on ferme...
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JPH06228034A |
PURPOSE: To provide a method capable of highly selectively producing the 5,6,7,8-tetrahydronaphthol compound in a good yield under moderate reaction conditions, even when an inexpensive and easily available catalyst is used. CONSTITUTION...
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JPH0657665B2 |
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JPH0655696B2 |
This invention relates to a process for the coproduction of propanediamines and alkylated aminopropanediamines. The process contemplates an initial cyanoethylation of ammonia under conditions for producing aminopropionitrile and modest l...
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JPH0653693B2 |
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JPH0653694B2 |
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JPH06199790A |
PURPOSE: To obtain the subject compound useful as an intermediate for antiasthmatic or a therapeutic agent for hepatic disease, based on inhibitory action on thromboxane A2 synthase by reducing a pyridyl ketone alcohol. CONSTITUTION: A p...
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JPH06506190A |
(57) [Summary] Since this publication is application data before electronic filing, summary data is not recorded.
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JPH0651671B2 |
1,3-Di(alkoxycarbonylamino)propanes of the general formula I (I) where R1, R2 and R3 can be identical or different and each is hydrogen, or an aliphatic, cycloaliphatic, araliphatic or aromatic radical, and R4 is an aliphatic, cycloaliph...
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JPH06157461A |
PURPOSE: To obtain a compound useful as a synthetic intermediate, etc., for medicines, agrichemicals, etc., in good yield by subjecting a coal tar-based quinoline to hydrogenating reaction in the presence of a base metallic hydrogenating...
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JPH06157438A |
PURPOSE: To use an auxiliary which is avoided a difficulty of a conventional technique, further usable in an industrial scale, practicable easily and utilizable immediately in industry. CONSTITUTION: The aminophenylacetate or aminophenyl...
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JPH06157399A |
PURPOSE: To produce glyoxylic acid in high selectivity with a small amount of by-product under a relatively mild condition. CONSTITUTION: Glycolic acid is reacted with molecular oxygen in the presence of a catalyst containing copper or c...
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JPH0637481B2 |
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JPH0637517B2 |
acid and analogues of formula (I) are new. R is CH2OR1, CH2OH, CHO, COOH or COCl or another activated form of the acid COOH; R1 is H or silyl hydroxy protecting gp. Alanine derivs. of formula (II) and their cationic salts when R2 and R3 ...
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JPH0637436B2 |
Process for the manufacture of 2-methylpentanediamine by hydrogenation of 2-methylglutaronitrile. The process is conducted in liquid phase in the presence of a catalyst based on Raney nickel in a basic medium which is initially not a...
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JPH0635426B2 |
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JPH0627085B2 |
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JPH06100567A |
PURPOSE: To obtain new 14-hydroxy-N-(2-methoxyethyl)-7,8-dihydromorphine and -norisomorphine which act on the central nervous system and are useful as non-addictive analgesics. CONSTITUTION: The 14-hydroxy-N-(2-methoxyethyl)-7,8-dihydrom...
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JPH0624635B2 |
A highly active powder catalyst with a high concentration of platinum group elements is prepared from an amorphous alloy consisting of at least one of the valve metals, at least one of the platinum group elements and at least one element...
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JPH0692951A |
PURPOSE: To obtain a compound useful as a raw material for solvents and polyurethanes by subjecting methyl methacrylate to hydroformylate, to reduce with hydrogen at a low pressure and then to eliminate methanol. CONSTITUTION: Methyl met...
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JPH0622678B2 |
Solid, water-free dispersions of Raney catalysts in fusible organic embedding agents can be obtained by first introducing a Raney catalyst slurry into a vacuum mixer blanketed by an inert gas, admixing the embedding agent, removing the m...
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JPH0621119B2 |
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JPH0621118B2 |
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JPH06502378A |
Coating with high-melting metals can be simplified by alloying high-melting metal with sufficient aluminum to make low-melting alloy that is applied, bonded in place, and then subjected to the leaching out of some or most of the aluminum...
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JPH0617327B2 |
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JPH068256B2 |
Compounds of formula (I), in which Ar is substituted or unsubstituted phenyl, naphthyl, or thienyl; Z is oxygen, sulfur, or methylene; and Ar' is 2-methyl[1,1'-biphenyl]-3-yl, 3-phenoxy-phenyl, 4-fluoro-3-phenoxyphenyl, or 6-phenoxy-2-py...
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JPH064589B2 |
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JPH062719B2 |
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JPH062694B2 |
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