JPS5344550A - Preparation of aminoanthraquinone - Google Patents
Preparation of aminoanthraquinoneInfo
- Publication number
- JPS5344550A JPS5344550A JP11672176A JP11672176A JPS5344550A JP S5344550 A JPS5344550 A JP S5344550A JP 11672176 A JP11672176 A JP 11672176A JP 11672176 A JP11672176 A JP 11672176A JP S5344550 A JPS5344550 A JP S5344550A
- Authority
- JP
- Japan
- Prior art keywords
- aminoanthraquinone
- preparation
- anaminoanthraquinone
- nitroanthraquinone
- economically
- 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.)
- Pending
Links
Abstract
PURPOSE: To improve the yield of anaminoanthraquinone from a nitroanthraquinone economically and advantageously by heating the raw material with an alkali sulfide in a mixture of an aqueous medium and a sparingly water-miscible inert organic solvent.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11672176A JPS5344550A (en) | 1976-09-28 | 1976-09-28 | Preparation of aminoanthraquinone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11672176A JPS5344550A (en) | 1976-09-28 | 1976-09-28 | Preparation of aminoanthraquinone |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5344550A true JPS5344550A (en) | 1978-04-21 |
Family
ID=14694154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11672176A Pending JPS5344550A (en) | 1976-09-28 | 1976-09-28 | Preparation of aminoanthraquinone |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5344550A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103694126A (en) * | 2013-12-02 | 2014-04-02 | 江苏亚邦染料股份有限公司连云港分公司 | Process for refining 1-amino-anthraquinone |
-
1976
- 1976-09-28 JP JP11672176A patent/JPS5344550A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103694126A (en) * | 2013-12-02 | 2014-04-02 | 江苏亚邦染料股份有限公司连云港分公司 | Process for refining 1-amino-anthraquinone |
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