GB259970A - The manufacture of new azo dyestuffs - Google Patents
The manufacture of new azo dyestuffsInfo
- Publication number
- GB259970A GB259970A GB25519/26A GB2551926A GB259970A GB 259970 A GB259970 A GB 259970A GB 25519/26 A GB25519/26 A GB 25519/26A GB 2551926 A GB2551926 A GB 2551926A GB 259970 A GB259970 A GB 259970A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sulphonic acid
- sulphonic
- amino
- aminobenzoyl
- pyrazolone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
- C09B31/16—Trisazo dyes
- C09B31/26—Trisazo dyes from other coupling components "D"
- C09B31/28—Heterocyclic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Abstract
259,970. I. G. Farbeninsdustrie Akt.- Ges., (Assignees of Farbenfabriken vorm. F. Bayer & Co.). Oct. 14, 1925, [Convention date]. Trisazo dyes are made by coupling an aminoazo compound, obtained from a p-nitramine or a.cidvlp-diamine or a derivative thereof and a diazotizable second component, with a derivative of an aminonaphthol sulphonic acid containing a free heteronuclear amino-group, further diazotizing the resulting disazo dyestuffs and coupling with methylketol or 1-phenyl-3-methyl-5-pyrazolone, or a derivative thereof, and finally splitting off the acidyl group or reducing the nitro group of the starting component. The product's give direct dyeings in green shades which can be diazotized on the fibre and developed with #-naphthol or 1-phenyl-3-methyl-5-pyrazolone. The preparation of dyestuffs from the following components is described in examples :-(1) 4-acetylaminoaniline- 2-sulphonic acid # 1 :2-aminonaphtholethylether-6-sulphonic acid # p-aminobenzoyl-2- amino-5- (or 8) naphthol-7 (or 6) sulphonic acid i # 1-phenyl-3-methyl-5-pyrazolone or methylketol. (2) 1 : 4-acetylnaphthylenediamine-6-sulphonic acid # 1 : 6-naphthylamine sulphonic acid # p-aminobenzoyl-1-amino-8-naphthol-4- sulphonic acid # 1-phenyl-3-methyl-5-pyrazolone, (3) 4-oxalylaminoaniline-3-sulphonic acid # 1 : 2-aminonaphtholether # m or p-aminophenyl-1 : 2-naphthimidazole-5- oxy - 7 - sulphonic acid # methylketol. Other acidylated pphenylene- or naphthalene-diamines or their halogen, oxalkyl, sulphonic or carboxylic acid derivatives may be used as first components, and aminocresolether, alpha-naphthylamine and its 6- or 7-sulphonic acids, 1:5: 7-aminonaphthol-sulphonic acid. and 1 : 2-aminonaphtholether and its sulphonic acids may be used as second components, the ethers being preferably employed when the first component is of the benzene series, and alpha-naphthylamine derivatives when it is of the naphthalene series. As third components other derivatives of 2 :5-, 2:8-, or 1 : 8-aminonaphtholmono- or di-sulphonic acids containing free heteronuclear amino groups may be used, e.g. the aminobenzoyl, aminophenyl-naphthimidazole, and aminonaphthothiazole derivatives of these acids. Specification 974/11 is referred to. p-Aminobenzoyl-1-amino-8-naphtol-4-sulphonic acid is prepared by the action of p-nitrobenzoyl chloride on 1-amino-8-naphthol-4-sulphonic acid in weakly alkaline solution and reducing the product with iron in acetic acid solution.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE259970X | 1925-10-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB259970A true GB259970A (en) | 1928-01-13 |
Family
ID=5966953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB25519/26A Expired GB259970A (en) | 1925-10-14 | 1926-10-13 | The manufacture of new azo dyestuffs |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB259970A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2420630A (en) * | 1942-08-15 | 1947-05-13 | Eastman Kodak Co | Disazo dye compounds |
WO2005052065A1 (en) * | 2003-11-20 | 2005-06-09 | Fujifilm Imaging Colorants Limited | Trisazo-dyestuffs |
-
1926
- 1926-10-13 GB GB25519/26A patent/GB259970A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2420630A (en) * | 1942-08-15 | 1947-05-13 | Eastman Kodak Co | Disazo dye compounds |
WO2005052065A1 (en) * | 2003-11-20 | 2005-06-09 | Fujifilm Imaging Colorants Limited | Trisazo-dyestuffs |
US7638609B2 (en) | 2003-11-20 | 2009-12-29 | Fujifilm Imaging Colorants Limited | Trisazo-dyestuffs |
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