GB925998A - New vat dyestuffs containing halopyrimidine residues and process for their manufacture - Google Patents
New vat dyestuffs containing halopyrimidine residues and process for their manufactureInfo
- Publication number
- GB925998A GB925998A GB4002160A GB4002160A GB925998A GB 925998 A GB925998 A GB 925998A GB 4002160 A GB4002160 A GB 4002160A GB 4002160 A GB4002160 A GB 4002160A GB 925998 A GB925998 A GB 925998A
- Authority
- GB
- United Kingdom
- Prior art keywords
- vattable
- dyes
- series
- formula
- compound
- 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
- C09B62/00—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves
- C09B62/02—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the reactive group directly attached to a heterocyclic ring
- C09B62/20—Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves with the reactive group directly attached to a heterocyclic ring to a pyrimidine ring
- C09B62/22—Anthracene dyes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Abstract
2-(31- or 41-carboxyphenylamino)-4,6-di- or -4,5,6-tri-chloropyrimidines are prepared by condensing 3- or 4-aminobenzoic acid with 2,4,6-trichloropyrimidine or 2,4,5,6-tetrachloropyrimidine. The preparation of the corresponding acid chlorides by reaction with thionyl chloride is also specified.ALSO:The invention comprises vat dyes of formula <FORM:0925998/IV(a)/1> wherein A is the residue of a vattable compound free from sulphonic and carboxylic acid groups, as hereinafter defined, which contains 3 to 8 condensed rings, X is a chlorine atom or a methyl group, Z is a hydrogen or chlorine atom and n is 1 or 2. A "vattable compound" is a compound which can be converted by reduction into a leuco-form or vat having a better affinity for natural or regenerated cellulose fibres than in the non-reduced and can be reconverted by oxidation into the original chromophoric system. Suitable vattable compounds are dyes of the anthraquinone series which contain 3-8 condensed carbocyclic or heterocyclic rings or a plurality of anthraquinone units, perylene tetracarboxylic acid series and thioindigoid series. The dyes are prepared by condensing a suitable vattable compound containing at least one acylatable amino group with a pyrimidine derivative of formula:- <FORM:0925998/IV(a)/2> (see Group IV(b)). In an example 5:51-diamino-1:11-dianthrimidecarbazole is condensed with the acid chloride of 2-(31-carboxyphenylamino)-4:6-dichloropyrimidine to give the dye of probable formula:- <FORM:0925998/IV(a)/3> Further examples are given.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH8084159A CH434525A (en) | 1959-11-20 | 1959-11-20 | Process for the production of new anthraquinone vat dyes |
CH1148660 | 1960-10-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB925998A true GB925998A (en) | 1963-05-15 |
Family
ID=25708390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4002160A Expired GB925998A (en) | 1959-11-20 | 1960-11-21 | New vat dyestuffs containing halopyrimidine residues and process for their manufacture |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB925998A (en) |
-
1960
- 1960-11-21 GB GB4002160A patent/GB925998A/en not_active Expired
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