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JPS5735867B2 |
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JPS5725533B2 |
Novel butyric acid derivatives of the formula WHEREIN X, X1, X2 and X3 are individually selected from the group consisting of hydrogen, halogen, lower alkyl of 1 to 5 carbon atoms, lower alkoxy of 1 to 5 carbon atoms, lower alkylthio of ...
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JPS5725026B2 |
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JPS5725025B2 |
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JPS5724780B2 |
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JPS5724779B2 |
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JPS5721195B2 |
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JPS5770850A |
A process for the preparation of N-(D)-ribityl-2-phenylazo-4,5-dimethylaniline (I), wherein 1. in the case of pure or virtually pure (D)-ribose (III) (a) the latter is reacted with 3,4-dimethylnitrobenzene (IVa) or 3,4-dimethylaniline (I...
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JPS5719099B2 |
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JPS5715825B2 |
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JPS5715826B2 |
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JPS5715587B2 |
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JPS5753428A |
1. Claims for the Contracting States : BE, CH, LI, DE, FR, GB, IT, LU, NL, SE A 2-fluoroalkanecarboxylic acid compound of the general formula where R**1 is aryl or hetaryl optionally substituted by halogen, nitro, straight-chain alkyl of...
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JPS5715105B2 |
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JPS574958A |
PURPOSE: To obtain the titled compound useful as an intermediate for dyes, etc. industrially and advantageously with suppressed side reactions, by diazotizing aniline with a gas containing a nitrogen oxide of specific atomic ratio betwee...
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JPS5654159B2 |
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JPS56158749A |
A process for the preparation of N,N-dimethyl-N'-(2-bromo-4-methyl-phenyl)-triazene of the formula comprising (a) reacting N-acetyl-p-toluidine of the formula with bromine at a temperature between about 0 DEG and 100 DEG C., to give the ...
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JPS56154444A |
Aminoazo compounds of the general formula where A is the radical of a diazo component or coupling component, R is a radical of the formula CN, COOR1, COSR1, CONH2, CONHNH2, CONH-NH-COR1, +TR where R1 is unsubstituted or substituted alkyl...
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JPS56145263A |
NEW MATERIAL:A phenol type azophenyl compound shown by the formula I (A is O, S, CH2, etc.; R1WR5 and R1'WR5' are respectively independently H, halogen, hydroxyl group, etc.; R6WR9 and R6'WR9' are respectively independently H, halogen, a...
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JPS5647172B2 |
Aromatic amines and iron oxide pigment are produced by reacting a ferrous salt, a reduceable aromatic nitrogen compound chosen from nitroderivatives with a single nitro-group or with two nitro-groups and azoderivatives, and a basic compo...
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JPS5635855B2 |
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JPS5697260A |
NEW MATERIAL:γ-Glutamyl-p-azo-anilide of the formula (R is substituted aromatic group). EXAMPLE: γ-Glutamyl-p-(4-sulfophenylazo)anilide. USE: A substrate for measuring the activity of γ-glutamyl transpeptidase having good water-solubi...
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JPS5627519B1 |
Derivatives of amphoteric polyene macrolide antibiotics which carry, on the lactone ring, a carboxyl group and an amino sugar characterized by a primary amine group, consist of (a) the methyl, ethyl or propyl ester formed by esterificati...
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JPS5622321B2 |
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JPS5629229A |
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JPS569555B2 |
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JPS5618949A |
The invention relates to new arylazo compounds of the general formula wherein R1 and R2 independently of each other represent hydrogen or C1-3-alkyl, R3 represent hydrogen, halogen, C1-3-alkyl, C1-3-alkoxy, carboxy, C1-3-alkoxycarbonyl, ...
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JPS568347B2 |
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JPS5618950A |
1. Process for the preparation of diazonium tetrafluoroborates of the formula (I) see diagramm : EP0022959,P4,F1 in which : R and R', independently of one another, represent alkyl, halogen, SCF3 or OCF3 , by reacting anilines of the form...
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JPS5615222A |
A process for preparing diazonium tetrafluoroborates of the formula (I) which is characterised in that anilines of the formula (II) or their acid addition salts are reacted with nitrosyl tetrafluoroborate in the presence of an inert orga...
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JPS5547026B1 |
Racemates and optically active isomers of benzoylphenylacetic acid esters of the formula WHEREIN R is selected from the group consisting of hydrogen and alkyl of one to seven carbon atoms, R1 and R2 are hydrogen or taken together are P a...
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JPS5539187B2 |
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JPS5536654B2 |
Racemates and optically active isomers of benzoylphenylacetic acid esters of the formula WHEREIN R is selected from the group consisting of hydrogen and alkyl of one to seven carbon atoms, R1 and R2 are hydrogen or taken together are P a...
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JPS5594348A |
PURPOSE: To obtain an azo compound, an intermediate for ultraviolet light absorbers, in high yield, by reacting a 2,4-dialkylphenol with an o-nitroaniline diazo compound in an oil-in-water type dispersion, using a specific surfactant. CO...
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JPS5525173B2 |
1434090 Halo-4-biphenylyl-butyric acids, esters and amides DR KARL THOMAE GmbH 16 Aug 1973 [17 Aug 1972 18 Dec 1972 5 Jan 1973 28 Feb 1973 3 May 1973] 38842/73 Headings C2C and C2P The invention comprises compounds of the formula wherein...
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JPS5516573B2 |
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JPS5510594B2 |
PURPOSE:10-Oxa-exo-tricyclo[5.2.1.0<2>,<6>]-deca-8-ene-4-dia
zo-3, 5-dione I.
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JPS55376B2 |
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JPS5440531B2 |
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JPS54145625A |
NEW MATERIAL:1-Benzoylazo-2,2-dihalogenoethylene of formula I (X=Cl or Br). EXAMPLE: 1-Benzoylazo-2,2-dichloroethylene. USE: Synthetic intermediate for agricultural fungicides. PROCESS: To objective compound of formula I is easily obtain...
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JPS54125634A |
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JPS54115329A |
A process for the diazotisation of a heterocyclic or a weakly basic benzenoid amine which comprises reacting together in a continuous manner, in a reaction zone from which a product stream containing diazotised amine is continuously remo...
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JPS5448724A |
Fluctuations in concentration of the starting materials during continuous diazotization are taken into account by passing a component stream from the receiver to the diazotization vessel through an analyser where, for a short residence t...
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JPS546555B2 |
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JPS5430121A |
Diazonium compounds particularly useful for the preparation of lithographic printing plates, a process for the preparation of this compound and printing plate, and for the use of the plate; and a lithographic plate presensitized with thi...
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JPS5422328A |
PURPOSE: To prepare aminoazobenzene and nitroaniline simultaneously in a desired proportion by reacting liquid or gaseous NO2 with aniline directly in a specific molar ratio under specific conditions without using solvents.
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JPS5348196B2 |
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JPS5336454B2 |
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JPS5336453B2 |
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JPS5336451B2 |
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