KR830001354A - Method for producing basic dye - Google Patents

Abstract

No content

Description

Method for producing basic dye

This content is subject to disclosure, so the full text is not included.

Claims (3)

In the presence of a benzoquinone substituted with a halogen or cyano or a phenanthrenequinone catalyst substituted with a nitro and a nitrogen oxide excluding dinitrogen monooxide or a material catalyst that generates nitrogen oxide under this reaction state A method of preparing a basic dye of general structural formula I by acidifying it with oxygen. In the above structural formula, A and B each independently represent a heterologous aliphatic residue or a general structural formula II residue. In addition, in the above structural formula, Y represents hydrogen or a nonionic substituent, n is 1-4, R ₁ and R ₂ are hydrogen or aralkyl optionally substituted by an alkyl, aryl or nonionic or acidic group, and R ₁ and R ₂ are Together or form a heterocycle such as Ar at the 0-position. D is hydrogen, alkyl, aryl or heteroaromatic moiety optionally substituted with a neutral or acidic group, and X ^- represents an anion. In the above structural formula, A, B and D are as described above. A method according to claim 1, characterized in that the compound of formula IV is prepared by oxidizing the compound of general formula X with oxygen in the presence of a nitrogen monooxide, nitrogen dioxide, sodium nitrite or iron-III nitrate catalyst. In the above structural formula, R ₃ and R ₅ are different from each other hydrogen, C ₁ -~ C ₄ -alkyl, hydroxyalkyl having 2 or 3 carbon atoms, cyanoethyl, alkoxyalkyl having a total of 3-5 carbon atoms, and 3-8 carbon atoms in total Alkoxycarbonylalkyl, alkylcarbonyloxyalkyl having a total of 3-8 carbon atoms, C ₁ -to C4-halogenoalkyl, sulfoalkyl having 2-4 carbon atoms, cyclohexyl, benzyl, phenylphenethyl, halogen or C _1- C ₄ -alkyl or alkoxy substituted phenyl or sulfobenzyl, and R ₄ and R ₆ are C ₁ -C ₄ -alkyl, hydroxy-alkyl having 2 or 3 carbon atoms, cyanoethyl, C ₁ -~ C ₄ -Halogenoalkyl, a total of 3 to 5 carbon atoms alkoxyalkyl, a total of 3 to 8 carbon atoms alkoxycarbonylalkyl, a total of 3 to 8 carbon atoms alkylcarbonyloxyalkyl or benzyl, or R ₃₀ R ₄ and/or R ₅ And R ₆ together form a piperazine ring optionally substituted with pyrrolidine, piperidine, morpholine or C ₁ -C ₄ alkyl, and R ₃ , R ₄ , R ₅ and/or R ₆ are at the 0-position Together with the phenyl ring, tetrahydroquinoline, indoline, julolidine, phenomorpholine, tetrahydroquinoxaline or C ₁ -C ₄ -alkyl, phenyl or benzyl optionally substituted carbazole ring is formed. R ₇ and R ₈ represent hydrogen, C ₁ -~C ₄ -alkyl, C ₁ -~C ₄ -alkoxy or halogen, n represents an integer of 1-4, E is phenyl or halogen, C ₁ -~C ₄ -alkyl, C ₁ -~C ₄ -alkoxy, nitro, phenyl or naphthyl mono-substituted or disubstituted with a sulfonic acid group, or a heterocycle of the general formula V Represents a residue. In the above structural formula, R ₉ is a carboxylic acid amide optionally N-substituted with hydrogen C ₁ -C ₄ -alkyl, phenyl, carboxylic acid C ₁ -or C ₂ -alkyl ester, C ₁ -C ₄ -alkyl or C ₁ -C ₄ alkoxy Represents. Or E represents a residue of general structural formula VI or VII. In the above structural formula, n, R ₃ , R ₄ and R ₇ are as described above. Or E represents a residue of general structural formula VIII or IX. In the above structural formula, R ₁₀ represents hydrogen, C ₁ -C ₄ -alkyl or halogen, especially chlorine or cancel, and n, R ₃ , R ₄ , R ₅ R ₆ , R ₇ and R ₈ are as described above, and X is also as described above. In the above structural formula, n and R ₃ to R 8 are as described above, and F is the same as E or a residue of general structural formula XI or XII. In the above structural formula, n, R ₃ -R ₈ and R ₁₀ are as described above. Triarylmethane derivatives having different structural formula IV compounds in claim 2 are used in the presence of tetrachloro- or tetrabromo-1,4-benzoquinone catalysts and nitrogen monooxide and/or nitrogen dioxide catalysts. A method according to claim 1, characterized in that it is produced by oxidation with. In General Formula IV, R ₃ and R ₅ represent hydrogen, methyl, ethylhydroxyethyl, propyl or butyl, R ₄ and R ₆ represent methyl, ethyl, sulfobenzyl or sulfoethyl, and R ₇ and R ₈ represent hydrogen, methyl , Methoxy or chlorine. E represents phenyl or phenyl substituted with a chlorine, methoxy or sulfonic acid group, P-dimethyl aminophenyl, P-diethyl aminophenyl, P-bishydroxyatelaminophenyl or a residue of general structural formula V. In the above structural formula, R ₃ ′ represents hydrogen, methyl or phenyl, R ₉ ′ represents methyl or phenyl, and n and X ^- are as described in Claim 2. ※ Note: It is disclosed according to the contents of the initial application.