JPS549256A - Method of molding 1,4,4a,9a-tetrahdyroanthraquinone - Google Patents
Method of molding 1,4,4a,9a-tetrahdyroanthraquinoneInfo
- Publication number
- JPS549256A JPS549256A JP7277777A JP7277777A JPS549256A JP S549256 A JPS549256 A JP S549256A JP 7277777 A JP7277777 A JP 7277777A JP 7277777 A JP7277777 A JP 7277777A JP S549256 A JPS549256 A JP S549256A
- Authority
- JP
- Japan
- Prior art keywords
- tetrahdyroanthraquinone
- molding
- naphoquinone
- dihydroanthrhydroquinone
- intermediates
- 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.)
- Granted
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PURPOSE: To mold the title cpd., useful as intermediates for dyes, etc., with suppressing the formation of dihydroanthrhydroquinone (≤10%) as a by-product after the removal of the solvent from the reaction mixture of 1,4-naphoquinone with butadiene at ≤ 140°C.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7277777A JPS6045170B2 (en) | 1977-06-21 | 1977-06-21 | Method for molding 1,4,4a,9a-tetrahydroanthraquinone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7277777A JPS6045170B2 (en) | 1977-06-21 | 1977-06-21 | Method for molding 1,4,4a,9a-tetrahydroanthraquinone |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS549256A true JPS549256A (en) | 1979-01-24 |
JPS6045170B2 JPS6045170B2 (en) | 1985-10-08 |
Family
ID=13499145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7277777A Expired JPS6045170B2 (en) | 1977-06-21 | 1977-06-21 | Method for molding 1,4,4a,9a-tetrahydroanthraquinone |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6045170B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4795604A (en) * | 1986-06-24 | 1989-01-03 | Kawasaki Kasei Chemicals Ltd. | Method for molding 1,4,4a,9a-tetrahydroanthraquinone |
-
1977
- 1977-06-21 JP JP7277777A patent/JPS6045170B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4795604A (en) * | 1986-06-24 | 1989-01-03 | Kawasaki Kasei Chemicals Ltd. | Method for molding 1,4,4a,9a-tetrahydroanthraquinone |
Also Published As
Publication number | Publication date |
---|---|
JPS6045170B2 (en) | 1985-10-08 |
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