GB743509A - Improvements in or relating to pigment dyestuffs - Google Patents
Improvements in or relating to pigment dyestuffsInfo
- Publication number
- GB743509A GB743509A GB18689/53A GB1868953A GB743509A GB 743509 A GB743509 A GB 743509A GB 18689/53 A GB18689/53 A GB 18689/53A GB 1868953 A GB1868953 A GB 1868953A GB 743509 A GB743509 A GB 743509A
- Authority
- GB
- United Kingdom
- Prior art keywords
- benzanthronyl
- benz
- aminoanthraquinone
- amino
- anthraquinone
- 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
- C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
- C09B5/24—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position
- C09B5/34—Anthraquinone acridones or thioxanthrones
- C09B5/40—Condensation products of benzanthronyl-amino-anthraquinones
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Abstract
The invention comprises coeramidonine pigment dyestuffs of the formula:- <FORM:0743509/IV(c)/1> wherein one or more of the remaining a -positions of the anthraquinone residue may be substituted by N-(benz-11-benzanthronyl)-amino groups, those in 4- or 5-position forming a coeramidonine ring with the oxygen atom in position 9, and wherein the benzanthrone portions of the molecule may be substituted by one or more halogen atoms and the anthraquinone portions of the molecule may have further substituents, except acylamino groups, and/or may have a thiazole ring condensed thereon. They are made by treating a 1-N-(benz-11-benzanthronyl) - aminoanthraquinone free from acylamino groups with a metal halide, a melt thereof in an alkali metal salt, or with concentrated sulphuric acid at a temperature of from room temperature up to 220 DEG C., and acid-pasting or grinding the reaction product. The products are used for dyeing paper, dyeing viscose during spinning brown or orange shades, and printing textiles. In examples the following are condensed with sulphuric acid, acid-pasted, ground, and worked up into pastes or powders, sometimes with a dispersing agent:-(1) 1-N-(benz-11-benzanthronyl)-aminoanthraquinone or its 6, 7-dichlor-, 5-amino- or 2-methyl derivatives; (2) 1.8 or 1.5- or a mixture of 1.5- and 1.8-di-N.N-(benz-11-benzanthronyl)-amino - anthraquinone; (3) 1-N-(61-bromo-benz-11-benzanthronyl) -aminoanthraquinone; (4) 5-N-(benz-11-benzanthronyl) - amino-1.9-isothiazolanthrone. Also in examples (5) 1-N-(benz-11-benzanthronyl) aminoanthraquinone is condensed with aluminium chloride in nitrobenzene. Alternative starting materials are listed.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH743509X | 1952-07-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB743509A true GB743509A (en) | 1956-01-18 |
Family
ID=4533320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB18689/53A Expired GB743509A (en) | 1952-07-11 | 1953-07-06 | Improvements in or relating to pigment dyestuffs |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB743509A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3022307A (en) * | 1952-07-11 | 1962-02-20 | Saul & Co | Pigment dyestuffs from 1-nu-(bz-1'-benz-anthronyl)-aminoanthraquinones by acid condensing agents |
US3121719A (en) * | 1960-11-23 | 1964-02-18 | Du Pont | Ceramidonine vat dyes and process of preparing same |
-
1953
- 1953-07-06 GB GB18689/53A patent/GB743509A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3022307A (en) * | 1952-07-11 | 1962-02-20 | Saul & Co | Pigment dyestuffs from 1-nu-(bz-1'-benz-anthronyl)-aminoanthraquinones by acid condensing agents |
US3121719A (en) * | 1960-11-23 | 1964-02-18 | Du Pont | Ceramidonine vat dyes and process of preparing same |
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