GB316172A - Process for the manufacture and production of condensation products of the benzanthrone series - Google Patents
Process for the manufacture and production of condensation products of the benzanthrone seriesInfo
- Publication number
- GB316172A GB316172A GB3846828A GB3846828A GB316172A GB 316172 A GB316172 A GB 316172A GB 3846828 A GB3846828 A GB 3846828A GB 3846828 A GB3846828 A GB 3846828A GB 316172 A GB316172 A GB 316172A
- Authority
- GB
- United Kingdom
- Prior art keywords
- benzanthronyl
- sulphide
- pyridine
- sodium
- dyestuff
- 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
- C09B5/2409—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 not provided for in one of the sub groups C09B5/26 - C09B5/62
- C09B5/2427—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 not provided for in one of the sub groups C09B5/26 - C09B5/62 only sulfur-containing hetero rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
316,172. Johnson, J. Y., (I. G. Farbenindustrie Akt.-Ges.). March 24, 1928. Divided on 319,593. Samples furnished. Benzanthrone derivatives.-Condensation products of the benzanthrone series, which are converted into vat dyes by hydrolysis and simultaneous or consecutive oxidation, are obtained by treating with alkaline condensing agents derivatives of benzanthrone with free 2-position having in the Bz1-position the group SCH2-COR, where R is an alkyl or aryl group, which may be substituted. The condensation products probably correspond to the general formula They are insoluble in dilute acids and are converted by the action of alkalis into salt-like compounds which furnish intensely-coloured solutions with water, alcohol, acetone and the like. In examples (1) acetonyl-Bz1-benzanthronyl sulphide, obtained by the action of monochloracetone on sodium Bz1-benzanthronyl mercaptide, is treated with (a) caustic potash in pyridine, (b) alcoholic caustic potash, or (c) sodium sulphide alone or with pyridine, (2) phenacyl-Bz1-benzanthronyl sulphide, obtained from #-bromacetophenone and sodium Bz1-benzanthronyl mercaptide, is treated with caustic potash in pyridine, (3) p-chlorphenacyl-Bz1-benzanthronyl sulphide, obtained from p-chlorphenacyl chloride and sodium Bz1-benzanthronyl mercaptide, is heated with caustic potash and pyridine, (4) the condensation product from acetonyl-Bz1-benzanthronyl sulphide is heated with aqueous sodium carbonate or with concentrated hydrochloric acid or phosphoric acid in an autoclave and the product is treated with sulphuric acid monohydrate; on dilution a vat dyestuff is obtained which is identical with the vat dyestuff from Bz1-benzanthronylthioglycollic acid described in Specification 311,047, (5) the condensation product from acetonyl-Bz1-benzanthronyl sulphide is heated with sodium peroxide solution, or with sodium carbonate and ammonium persulphate, in an autoclave, whereby the dyestuff of the preceding example is obtained in a single operation, and (6) the condensation product from phenacyl-Bz1- benzanthronyl sulphide is heated with 78 per cent sulphuric acid, sulphurous acid is eliminated and the dyestuff which separates out is purified by extraction with pyridine; the dyestuff is partly present as a sulphonic acid, which may be removed by washing with an aqueous solution of pyridine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3846828A GB316172A (en) | 1928-03-24 | 1928-03-24 | Process for the manufacture and production of condensation products of the benzanthrone series |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3846828A GB316172A (en) | 1928-03-24 | 1928-03-24 | Process for the manufacture and production of condensation products of the benzanthrone series |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB316172A true GB316172A (en) | 1929-07-24 |
Family
ID=10403643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3846828A Expired GB316172A (en) | 1928-03-24 | 1928-03-24 | Process for the manufacture and production of condensation products of the benzanthrone series |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB316172A (en) |
-
1928
- 1928-03-24 GB GB3846828A patent/GB316172A/en not_active Expired
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