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JPS6119628B2 |
1449388 Hydrocinnamic acid nitriles F HOFFMAN-LA ROCHE & CO AG 8 Nov 1974 [8 Nov 1973 (2)] 05397/76 Divided out of 1449387 Heading C2C Novel compounds of Formula I wherein R1 and R2 are C 1-3 alkyl, R3 is halogen and R5 is an ether group...
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JPS6113446B2 |
A process for the preparation of a substituted fluorobenzene of the formula in which R is alkyl, alkoxy, halogen, amino, acylamido, carboxyl, benzyloxy, aryloxy, or benzyloxy or aryloxy carrying at least one alkyl, alkoxy, halogen or hal...
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JPS6153253A |
Compounds of the formula (B-Lm-A-L'-B'n, (1) in which A is the radical of a bisazo or trisazo dye, L and L' are organic radicals and B and B' are cyclic organic radicals and at least one of the radicals B and B' has spectral absorption i...
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JPS612653B2 |
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JPS615061A |
PURPOSE: To obtain the titled compound useful as a raw material for preparing azo compound useful as dye, pigment, etc. or a raw material for preparing medicines and agricultural chemicals economically and advantageously in good yield, b...
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JPS6157A |
PURPOSE: To obtain the titled compound useful as an intermediate for preparing dye, etc. without causing problems in terms of environmental pollution resulting from the use of an organic solvent, by halogenating a p-aminoazobenzene with ...
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JPS6058743B2 |
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JPS60252456A |
An improved process for the preparation of riboflavin by condensation of a 4,5-dimethyl-N-(D)-ribityl-2-phenylazoaniline derivative with barbituric acid in the presence of an acidic condensing agent in an organic solvent, wherein a 4,5-d...
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JPS6034534B2 |
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JPS60100546A |
NEW MATERIAL:A compound shown by the formula I (R is H, 1W10C alkyl, 1W 4C alkoxy, 2W5C alkoxycarbonyl, etc.; m is 1W4; Y is 1W4C alkylene; Z is quaternary ammonium; M is Cr, or Co; X- is anion). USE: A developing agent for electrophotog...
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JPS6094952A |
PURPOSE: To stabilize the titled compound useful as dry analytical elements, photosensitive materials, etc. at a high level without substantial diffusivity nor volatility, by bringing a diazonium salt into contact with a specific cured s...
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JPS6015671B2 |
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JPS6014019B2 |
The invention provides a process for the continuous diazotization of primary aromatic amines by reacting an aqueous solution or suspension of the amine in a mineral acid with an aqueous sodium nitrite solution. To this end, the lower por...
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JPS6013029B2 |
Aromatic azoamines are prepared by diazotizing an aromatic amine, coupling the diazonium salt with the aromatic amine, and rearranging the resulting aromatic diazoamine. The several reactions are effected in single stage by introducing v...
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JPS6042358A |
PURPOSE: To obtain the titled solution containing fine particles of a specific polymerization initiator and no foam, having long-term stability, by subjecting a solvent to thin-film evaporation from an emulsion consisting of the organic ...
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JPS6011451A |
PURPOSE: To carry out the storage of a diazonium salt stably for a long period, by contacting the diazonium salt with a polymer containing sulfonic acid group and more than specific amount of a specific structural unit. CONSTITUTION: A d...
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JPS59231059A |
NEW MATERIAL:The compound of formula I or formula II (A is alkyl or acyl). EXAMPLE: 2-(4-Alkoxyphenylazo)phenanthrene. USE: A liquid crystal display element. It has excellent liquid crystal properties. It exhibits a nematic liquid crysta...
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JPS5951853B2 |
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JPS5949224B2 |
Aluminum salts of N-nitroso-N-alkylhydroxylamines are produced by the reaction of an aluminum salt with an alkali metal salt, alkaline earth metal salt and/or ammonium salt of an N-nitroso-N-alkylhydroxyl-amine and/or the aftertreatment ...
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JPS5948820B2 |
Aromatic amine salts are diazotized, in aqueous solution/suspension, utilizing a nitrogenous vaporous admixture as the diazotizing agent, said admixture comprising nitric oxide and nitrogen peroxide, with the content of NO therein being ...
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JPS5934701B2 |
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JPS5930699B2 |
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JPS5930710B2 |
The invention provides compounds of the formulae: in which R is hydrogen or CX3, each X, which is the same as or different from the other, is a chlorine or bromine atom, R<1> is lower alkyl or lower alkoxy, R<2> is hydrogen, lower alkoxy...
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JPS5930698B2 |
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JPS5920664B2 |
Novel acid amide derivatives of the formula (I) are prepared by reacting an amine of the formula (II) with a compound of the formula (III), where the individual symbols have the meaning stated in Claim 1. The compounds of the formula I c...
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JPS5918386B2 |
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JPS5917105B2 |
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JPS5910336B2 |
2,5-Dimethyl-2,4-hexadiene is reacted with a diazo acetate of the formula N2CHCOOR (V> in the presence of a catalyst. The catalyst used is a copper complex of a chiral Schiff base of the formula: In the formulae, R, R<1>, R<2>, X<1>, X<2...
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JPS59500334A |
(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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JPS598270B2 |
Novel nematic liquid crystalline azo-compounds have been found, which are anisotropic over a wide temperature range which includes room temperature.
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JPS58213746A |
NEW MATERIAL:A compound expressed by formula I (R1WR5 and R1'WR5' are H, halogen amino, methoxyl, OH, hydroxy lower alkyl, etc.; at least one selected from the group consisting of R1WR5 and R1'WR5' is OH, and another one is hydroxy lower...
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JPS58208258A |
Azocarboxylic esters useful as polymerisation initiators, especially for polymerisation in aqueous medium, have the general formula in which R is the residue of an aliphatic polyhydroxy compound R(OH)q+1 after removal of one hydroxyl gro...
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JPS58208259A |
Process for the preparation of polynuclear fused aromatic compounds having high electrical conductivities by electrochemically reacting diazonium salts of the polynuclear fused aromatic compounds with an ionisable compound as conducting ...
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JPS58201757A |
NEW MATERIAL:The compound of formula I , formula II and formula Z-(N=N- Ph-R)2 [Ph is o-, m- or p-phenylene; Z is Ph or group of formula III (Y is -O-, -S- or CH2); R is alkyl or alkoxy]. USE: It has high freedom to obtain an asymmetric ...
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JPS58177956A |
NEW MATERIAL:A compound shown by the formula I (R is alkyl, alkoxy, nitro, dialkylamino, or halogen; n is integer of 0W3). USE: Useful as a photoelectric material for a sensitized material for electrophotography. Solving generally low ph...
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JPS5829080B2 |
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JPS5892647A |
Azoiminoether hydrochlorides are prepared from azonitriles by a modification of the Pinner reaction in which the azonitrile is reacted under anhydrous conditions with a stoichiometrically equivalent amount of a monohydroxy compound in th...
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JPS5892645A |
Azocarboxylic esters containing in the molecule poly(alkyleneoxy) residues have physical properties which render them of especial interest and utility as free radical-type polymerisation initiators.
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JPS5885847A |
NEW MATERIAL:The compound of formulaI[R1, R2, R3, R4, R5 and R6 are H, alkyl, sulfonic acid group, carboxylic acid group or its derivative; X is an anion group (Lewis acid salt) such as BF-4, PF-6, AsF-6, SbF-6, SnCl-26, FeCl-4, BiCl-25,...
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JPS5817180B2 |
Process for carrying out nitrosation reactions and diazotization reactions by reacting the concerning compound with a nitrite in the presence of an acid wherein ammonium-nitrite is used as the nitrite.
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JPS5835159A |
1,3-Diaryltriazines are prepared by reacting gaseous alkyl nitrites with primary aromatic monoamines in a liquid phase, which preferably contains a polar protic solvent, in the presence of a small amount of an acid. The reaction products...
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JPS581107B2 |
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JPS57212119A |
The present invention relates to novel compounds for the prophylaxis and treatment of Inflammatory Bowel disease (IBD) via the administration of an effective amount in a suitable pharmaceutical dosage of a polymeric agent for releasing 5...
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JPS57185248A |
PURPOSE: To obtain the titled compound in high yield, by reacting an aqueous slurry solution of aniline sulfate with nitrogen oxide while controlling the feed rates of both to give the concentration of the aniline sulfate in the aqueous ...
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JPS5747649B2 |
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JPS5745216B2 |
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JPS57150622A |
Problems with monitoring chemical reactions in which nitrous gases occur are overcome by measuring the concentration of NOx in a flushing stream which has been passed over the reaction mixture and controlling the reaction in such a manne...
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JPS57144219A |
The present invention relates to novel compounds and a method for the prophylaxis and treatment of Inflammatory Bowel Disease (IBD) via the administration of an effective amount in a suitable pharmaceutical dosage form of an azobenzene c...
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JPS5736273B2 |
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JPS5735827B2 |
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