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JP2918285B2 |
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JP2909231B2 |
In an advantageous process for producing powdered aluminium alloys which have a catalytic action or are capable of acting as precursors of catalysts, good results are obtained if the alloy is atomized with water and/or a gas at a tempera...
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JPH11505536A |
PCT No. PCT/EP96/01876 Sec. 371 Date Oct. 1, 1997 Sec. 102(e) Date Oct. 1, 1997 PCT Filed May 6, 1996 PCT Pub. No. WO96/36588 PCT Pub. Date Nov. 21, 1996The invention relates to processes for preparing substituted aromatic amino compound...
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JP2877929B2 |
Compounds of general formula I or Ia (I) (Ia) or mixtures thereof, wherein the groups P-L-P are a ligand from the group comprising diphosphine and diphosphinite, in which the secondary phosphine groups or phosphinite groups P are coupled...
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JP2858486B2 |
A process for the production of alkylaminonitriles by reacting 2-pentenenitrile and an alkylamine in the presence of 15 to 60% by weight water.
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JPH1133399A |
To provide an improving method for producing a hard and abrasion- resistant catalyst containing V and Sb in an oxide form (VSbOx). A method for producing a catalyst having an experimental formula VSbm Aa Dd Ox is provided. Herein, A is S...
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JP2853190B2 |
A process for producing a denaturated manganese dioxide for the hydration reaction of cyanohydrins comprising reacting a permanganate salt and a manganese (II) compound in an acidic aqueous solution at a temperature of 60 DEG C to 150 DE...
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JPH10511722A |
Epoxy-containing compounds which are essentially free of organic halides are prepared by (I) reacting an allyl derivative of an active hydrogen-containing compound with (II) a peroxygen-containing compound. The epoxy-containing compounds...
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JP2805459B2 |
Prepn. of aromatic cpds. substd. by at least two isocyanate gps., where at least one cpd. (A) (comprising at least two prim. amine functions and at least one aromatic residue) is contacted with phosgene - in the vapour phase, using a 0-1...
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JPH10259177A |
To provide a method for producing a cyano compound by such an ammoxidation reaction as enabling to use one or more other ammonia sources instead of gaseous ammonia. This method for producing a cyano compound comprises subjecting a cyano ...
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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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JP2786424B2 |
Condensation of an aldehyde with a hydrocyanic acid in the presence of a buffer to maintain the pH above 4.0, and with the exclusion of amines. Also claimed are the condensation reaction of an aldehyde and hydrocyanic acid, where the rea...
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JP2785301B2 |
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JPH10507195A |
A process is disclosed for preparing acid amides, including isocyanate-functional 1,3,5-triazines and isocyanate-based 1,3,5 triazine derivatives, from the reaction of (Si, Ge or Sn substituted amino)-1,3,5 triazines and acid halides.
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JPH10179185A |
To enlarge a range capable of carrying out catalyst antibody reaction and increase catalyst activity and chemically convert an amino acid by applying a catalyst antibody using pyridoxal 5'-phosphoric acid as a cofactor to aldol reaction ...
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JPH10158227A |
To provide a method for efficiently obtaining N,N-dimethylformamide by oxidizing trimethylamine with molecular oxygen. This method for producing N,N-dimethylformamide is to oxidize trimethylamine with an oxygen-containing gas in the pres...
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JP2763676B2 |
Process for the preparation of acetoacetates and other beta -ketoesters is provided, involving reaction of nitrogen, oxygen or sulfur nucleophiles with a tertiaryalkyl acetoacetate or tertiaryalkyl beta -ketoester.
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JP2765127B2 |
A process for producing an aromatic amine under moderate conditions is provided where a catalyst higher in activity than conventional catalysts is used. Reduction of an aromatic nitro compound under a CO/H2O system is conducted using a r...
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JPH10139421A |
To provide the subject method which enables, in particular, the sol production process to be simplified by crystallizing at high temperature the effluent from the reaction of a mixture of tetraalkylorthosilicate and tetraalkylorthotitana...
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JP2753858B2 |
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JPH10505073A |
PCT No. PCT/EP95/03314 Sec. 371 Date Feb. 24, 1997 Sec. 102(e) Date Feb. 24, 1997 PCT Filed Aug. 21, 1995 PCT Pub. No. WO96/07647 PCT Pub. Date Mar. 14, 1996The invention relates to novel substituted pyrimidin(ethi)ones of the general fo...
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JPH1087513A |
To make it possible to advantageously and industrially obtain acrylonitrile, acrylic acid, etc., useful as industrial raw materials in a good yield, by using the specific double oxide as a catalyst to effectively conduct selective gaseou...
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JPH1087595A |
To obtain fluorinated nitrilles useful in the field of material chemistry in a high yield, by reacting an oxime with a sulfur fluoride derivative. The objective compound of formula II such as 1-(2- cyanoethyl)-2-(1-fluoro-1-methylethyl)b...
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JPH1080640A |
To safely, easily and repeatedly use an amine oxidant used as an oxidation catalyst in the oxidation reaction of primary hydroxyl groups in an org. compd. by allowing the amine oxidant as a catalyst, used for oxidation reaction of an org...
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JPH1067724A |
To obtain the subject compound to be based for synthesizing an amide- like compound useful for producing a small amount sample for biological screening by reacting a specific acetic acid product with an aminomethyl resin in the presence ...
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JPH10502620A |
This invention relates to methods for preparing alkylating agents and use of the agents prepared. In particular, this invention relates to preparation methods for hydroxy halide and organooxy halide alkylating agents and their use for al...
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JPH10502089A |
(57) [Summary] Under a pressurized gas phase containing ammonia, the reaction rate is increased, and in a preferred method, the isomer ratio and the product yield due to amination are preferably changed, which also has the advantage of p...
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JP2710632B2 |
Optically active secondary amines are prepared by asymmetric hydrogenation of prochiral N-aliphatic ketimines at a temperature of -20 to 80 DEG C, a hydrogen pressure of 10<5> to 10<7> Pa with the addition of catalytic amounts of an irid...
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JPH10500940A |
PCT No. PCT/EP95/01847 Sec. 371 Date Nov. 25, 1996 Sec. 102(e) Date Nov. 25, 1996 PCT Filed May 16, 1995 PCT Pub. No. WO95/32941 PCT Pub. Date Dec. 7, 1995The present invention relates to a process for the preparation of aromatic amino c...
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JP2684078B2 |
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JP2684409B2 |
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JPH09512036A |
The present invention provides labeled synthetic libraries of random oligomers and methods and apparatus for generating labeled synthetic oligomer libraries. Each member of such a library is labeled with a unique identifier tag that spec...
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JPH09301933A |
To provide a method for producing the subject amine, capable of simply and easily obtaining the amine useful as an intermediate or medicines, etc., in high volume efficiency by treating a substituted amide with a specific reducing agent....
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JPH09301932A |
To provide a method for producing a disubstituted methylamine, capable of simply and easily obtaining the disubstituted methylamine useful for medicines, etc., in high volume efficiency by treating an oxime ether with a specific reducing...
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JPH09511228A |
Novel compounds that mimic and/or modulate the activity of wild-type nucleic acids. In general, the compounds contain a selected sequence of nucleosidic bases or other reactive groups that are covalently bound through nitrogen-containing...
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JP2664358B2 |
To economically obtain the subject compound, useful as a synthetic intermediate for bactericides having strong bactericidal effects against bacteria by a specific method in high purity and high yield without using difficult reaction proc...
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JPH09255592A |
To obtain an optically active alcohol which is useful as a medicine, agrochemical or the like in high asymmetric yield by asymmetric reduction of an unsymmetrical ketone with hydroborane in the presence of a chiral β- aminoalcohol and a...
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JP2654516B2 |
PURPOSE:To obtain the title substance in a short time in high yield by allowing a silyl halide to react with an alkali metal azide supported on a macroporous polymer in a conventional solvent of high safety under mild temperature conditi...
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JP2654076B2 |
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JP2655359B2 |
A method for synthesizing an aromatic amine, an aromatic alcohol or an aromatic thiol by an aromatic nucleophilic substitution reaction is disclosed, which comprises reacting a compound represented by formula (I): (I) wherein Q1 represen...
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JP2654057B2 |
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JPH09241181A |
To efficiently obtain the subject compound in good selectivity by carbonylating an organic halogen compound with CO without substantially using a metal catalyst. A reaction system comprising at least one compound comprising CO, an organi...
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JPH09241220A |
To easily and safely obtain a tertiary amine compound useful as a solvent or a raw material for medicines, agrochemicals and various organic synthetic products. This tertiary amine compound of formula I (Z1 and Z2 are each an organic res...
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JPH09235240A |
To produce both a ketone compound according to safe and simple operations by oxidizing a di-substituted acetonitrile compound in the presence of a heavy metal and a Z-isomer of an oxime derivative of benzoylpyridine from the resultant ke...
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JP2649262B2 |
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JPH09227483A |
To obtain a halogenated aromatic amine useful for producing medicines, photographic chemicals, etc., in high purity in a high yield at a low cost in a state little in the ratio of dehalogenated products by catalystically hydrogenating th...
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JP2642093B2 |
The invention relates to an improved process for the catalytic hydrogenation of DAHNP and a new process for preparing 2,4-diamino-5-formylamino-6-hydroxypyrimidine.
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JPH09506857A |
The present invention relates to an array of compounds having a common core structure wherein the compounds of the array comprise the products of a multiple component combinatorial array synthesis having at least three components. The pr...
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JPH09176051A |
To obtain a β,γ-unsaturated compound in a high yield and selectivity by allowing a conjugated alkadiene to react with an active hydrogen-containing compound using a specific palladium complex catalyst. (A) A palladium compound and a tr...
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JPH09169690A |
To obtain the subject compound in a high selectivity and in a high yield by using various kinds of perfluoroalkanesulfonylimide group-containing compound on the acylation reaction or Friedel-Craft acylation reaction of an alcohol compoun...
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