GB362027A - Manufacture of new intermediates for dyes - Google Patents
Manufacture of new intermediates for dyesInfo
- Publication number
- GB362027A GB362027A GB2726730A GB2726730A GB362027A GB 362027 A GB362027 A GB 362027A GB 2726730 A GB2726730 A GB 2726730A GB 2726730 A GB2726730 A GB 2726730A GB 362027 A GB362027 A GB 362027A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aniline
- dyes
- condensing
- nuclear
- condensed
- 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
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Arylides of 2 : 3-hydroxynaphthoic acid of the general formula <FORM:0362027/IV/1> where Ar = phenyl or its nuclear alkyloxy, alkyl or halogen substituted derivatives are prepared by condensing o-, m- or p-nitrobenzoic acids or their halides with aniline or its nuclear alkoxy-, alkyl- or halogen substituted derivatives, reducing the nitro group in the resulting product and condensing the aminoaroylamino compounds with 2 : 3 oxynaphthoic acid. They have a pronounced affinity for cotton and yield dyeings of exceptional fastness to light and washing by the ice-colour process. Coupling with diazo compounds in substance yields pigment dyes. In an example, aniline is condensed with p p-nitrobenzoyl chloride in carbon tetrachloride and the product obtained is reduced and condensed with 2 : 3-oxynaphthoic acid; o-anisidine, o-toluidine and 2 : 5-dichloraniline may be used instead of aniline. Specification 23732/13, [Class 2 (iii), Dyes &c.], is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2726730A GB362027A (en) | 1930-09-12 | 1930-09-12 | Manufacture of new intermediates for dyes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2726730A GB362027A (en) | 1930-09-12 | 1930-09-12 | Manufacture of new intermediates for dyes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB362027A true GB362027A (en) | 1931-12-03 |
Family
ID=10256797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2726730A Expired GB362027A (en) | 1930-09-12 | 1930-09-12 | Manufacture of new intermediates for dyes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB362027A (en) |
-
1930
- 1930-09-12 GB GB2726730A patent/GB362027A/en not_active Expired
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