JPS5326823A - Preparation of 6,13-dihydroquinacridone - Google Patents
Preparation of 6,13-dihydroquinacridoneInfo
- Publication number
- JPS5326823A JPS5326823A JP10127576A JP10127576A JPS5326823A JP S5326823 A JPS5326823 A JP S5326823A JP 10127576 A JP10127576 A JP 10127576A JP 10127576 A JP10127576 A JP 10127576A JP S5326823 A JPS5326823 A JP S5326823A
- Authority
- JP
- Japan
- Prior art keywords
- dihydroquinacridone
- preparation
- purity
- reacting
- absence
- 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
Landscapes
- Nitrogen Condensed Heterocyclic Rings (AREA)
Abstract
PURPOSE: To prepare high-purity 6,13-dihydroquinacridone in high yield by reacting a dialkyl succinylsuccinate with an aromatic amine in the absence of solvent.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10127576A JPS5326823A (en) | 1976-08-25 | 1976-08-25 | Preparation of 6,13-dihydroquinacridone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10127576A JPS5326823A (en) | 1976-08-25 | 1976-08-25 | Preparation of 6,13-dihydroquinacridone |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5326823A true JPS5326823A (en) | 1978-03-13 |
Family
ID=14296319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10127576A Pending JPS5326823A (en) | 1976-08-25 | 1976-08-25 | Preparation of 6,13-dihydroquinacridone |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5326823A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59141027A (en) * | 1983-02-01 | 1984-08-13 | Anelva Corp | Digital ionization vacuum gauge |
US5610306A (en) * | 1993-11-19 | 1997-03-11 | Toyo Ink Manufacturing Co., Ltd. | Process for the production of 6,13-dihydroquinacridones and apparatus for use for the production |
US5659036A (en) * | 1993-06-30 | 1997-08-19 | Toyo Ink Manufacturing Co., Ltd. | Process for the production of 2,5-di(arylamino)-3,6-dihydroterephthalic acid dialkyl ester, and process for the production of quinacridone from said ester as intermediate |
-
1976
- 1976-08-25 JP JP10127576A patent/JPS5326823A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59141027A (en) * | 1983-02-01 | 1984-08-13 | Anelva Corp | Digital ionization vacuum gauge |
US5659036A (en) * | 1993-06-30 | 1997-08-19 | Toyo Ink Manufacturing Co., Ltd. | Process for the production of 2,5-di(arylamino)-3,6-dihydroterephthalic acid dialkyl ester, and process for the production of quinacridone from said ester as intermediate |
US5817817A (en) * | 1993-06-30 | 1998-10-06 | Toyo Ink Manufacturing Co., Ltd. | Process for the production of 2,5-di(arylamino)-3,6-dihydroterephthalic acid dialkyl ester, and process for the production of quinacridone from said ester as intermediate |
US5610306A (en) * | 1993-11-19 | 1997-03-11 | Toyo Ink Manufacturing Co., Ltd. | Process for the production of 6,13-dihydroquinacridones and apparatus for use for the production |
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