GB1334707A - Process for the manufacture of anthraquinone compounds - Google Patents
Process for the manufacture of anthraquinone compoundsInfo
- Publication number
- GB1334707A GB1334707A GB1334707DA GB1334707A GB 1334707 A GB1334707 A GB 1334707A GB 1334707D A GB1334707D A GB 1334707DA GB 1334707 A GB1334707 A GB 1334707A
- Authority
- GB
- United Kingdom
- Prior art keywords
- anthraquinone
- compounds
- manufacture
- anthraquinone compounds
- ethoxyethanol
- 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
- C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
- C09B1/16—Amino-anthraquinones
-
- 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
- C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
- C09B1/56—Mercapto-anthraquinones
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1334707 Preparing anthraquinone compounds IMPERIAL CHEMICAL INDUSTRIES Ltd 15 July 1971 [13 Aug 1970] 39103/70 Heading C4P Compounds of the general formula wherein R is H or OH and the anthraquinone nucleus may be further substituted are prepared by reacting the corresponding 1-amino-2- hydroxymethyl-anthraquinone with oxygen, e.g. O 2 optionally diluted with inert nitrogen or air in an alkaline medium, e.g. aqueous sodium carbonate or sodium or potassium hydroxides optionally admixed with a water miscible organic liquid, e.g. #-ethoxyethanol and pyridine. The reaction takes place at 20‹ C. to the boiling point of the reaction medium.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3910370 | 1971-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1334707A true GB1334707A (en) | 1973-10-24 |
Family
ID=10407656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1334707D Expired GB1334707A (en) | 1971-07-15 | 1971-07-15 | Process for the manufacture of anthraquinone compounds |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1334707A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4528113A (en) * | 1983-03-29 | 1985-07-09 | Mitsubishi Chemical Industries Limited | Anthraquinone dye and liquid crystal composition containing the dye |
-
1971
- 1971-07-15 GB GB1334707D patent/GB1334707A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4528113A (en) * | 1983-03-29 | 1985-07-09 | Mitsubishi Chemical Industries Limited | Anthraquinone dye and liquid crystal composition containing the dye |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |