ES278194A1 - Procedure for the preparation of tina colorants (Machine-translation by Google Translate, not legally binding) - Google Patents
Procedure for the preparation of tina colorants (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES278194A1 ES278194A1 ES278194A ES278194A ES278194A1 ES 278194 A1 ES278194 A1 ES 278194A1 ES 278194 A ES278194 A ES 278194A ES 278194 A ES278194 A ES 278194A ES 278194 A1 ES278194 A1 ES 278194A1
- Authority
- ES
- Spain
- Prior art keywords
- group
- carboxyl
- halides
- heterocyclic
- carboxylic
- 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
Process for the preparation of vat dyes containing at least one acylamino group, in particular an aroylamino group, characterized in that a vat dye having at least one acylatable amino group and at least 5 juxta-condensed rings or at least 2 anthraquinone units are acylated in the amino group with anhydrides of cyclic dicarboxylic acids or with cyclic carboxylic halides having a carboxyl group, or b) a vat dye having at least 5 condensed rings or at least 2 anthraquinone radicals and, in at least one cyclic acylamino group, at least one carboxylic acid group modified, in particular a carboxylic ester group or a carboxyl halide group, hydrolyzes to form carboxylic acids, or c) carboxylic acid halides having at least 5 condensed rings or at least 2 anthraquinone radicals are amidated with heterocyclic or aromatic tinable amines, provided with carboxyl groups, or, if carboxyl halides of vat dyes are used, starting materials, also with simple heterocyclic or aromatic amines provided with carboxyl groups, or d) aminoanthraquinones provided with carboxy groups are knotted together with an amidable amino group and by means of halides or anhydrides of aromatic or heterocyclic polycarboxylic acids, or e) aminoanthraquinones having a carboxyl group and an acylamino group are linked to each other by means of a heterocyclic ring, in particular by condensation with polyhalogenated heterocycles, such as halogentriazines. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH689461A CH462993A (en) | 1961-06-12 | 1961-06-12 | Process for the production of vat dyes |
| CH726961A CH431770A (en) | 1958-12-31 | 1961-06-21 | Process for the production of new vat dyes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES278194A1 true ES278194A1 (en) | 1963-01-16 |
Family
ID=66651508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES278194A Expired ES278194A1 (en) | 1961-06-12 | 1962-06-11 | Procedure for the preparation of tina colorants (Machine-translation by Google Translate, not legally binding) |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES278194A1 (en) |
-
1962
- 1962-06-11 ES ES278194A patent/ES278194A1/en not_active Expired
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