JPS5748936A - Preparation of 1,4,4a,9a-tetrahydroanthraquinone - Google Patents
Preparation of 1,4,4a,9a-tetrahydroanthraquinoneInfo
- Publication number
- JPS5748936A JPS5748936A JP12353080A JP12353080A JPS5748936A JP S5748936 A JPS5748936 A JP S5748936A JP 12353080 A JP12353080 A JP 12353080A JP 12353080 A JP12353080 A JP 12353080A JP S5748936 A JPS5748936 A JP S5748936A
- Authority
- JP
- Japan
- Prior art keywords
- reaction liquid
- reaction
- naphthoquinone
- titled substance
- acid
- 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12353080A JPS5748936A (en) | 1980-09-08 | 1980-09-08 | Preparation of 1,4,4a,9a-tetrahydroanthraquinone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12353080A JPS5748936A (en) | 1980-09-08 | 1980-09-08 | Preparation of 1,4,4a,9a-tetrahydroanthraquinone |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7630586A Division JPS6289640A (ja) | 1986-04-02 | 1986-04-02 | 1,4,4a,9a―テトラヒドロアントラキノンの製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5748936A true JPS5748936A (en) | 1982-03-20 |
| JPS6212778B2 JPS6212778B2 (enrdf_load_stackoverflow) | 1987-03-20 |
Family
ID=14862885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12353080A Granted JPS5748936A (en) | 1980-09-08 | 1980-09-08 | Preparation of 1,4,4a,9a-tetrahydroanthraquinone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5748936A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5950766A (ja) * | 1982-09-17 | 1984-03-23 | Masayo Saitou | 永久磁石自力回転原動機 |
| JPS5953435A (ja) * | 1982-09-22 | 1984-03-28 | Kawasaki Kasei Chem Ltd | 1,4−ジヒドロアントラヒドロキノン又はアントラキノンの製造方法 |
-
1980
- 1980-09-08 JP JP12353080A patent/JPS5748936A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5950766A (ja) * | 1982-09-17 | 1984-03-23 | Masayo Saitou | 永久磁石自力回転原動機 |
| JPS5953435A (ja) * | 1982-09-22 | 1984-03-28 | Kawasaki Kasei Chem Ltd | 1,4−ジヒドロアントラヒドロキノン又はアントラキノンの製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6212778B2 (enrdf_load_stackoverflow) | 1987-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1229022A (en) | Process and apparatus for the separation of two-or multicomponent mixtures by multi-stage fractional crystallization | |
| US3370082A (en) | Purification of adipodinitrile | |
| JPS5748936A (en) | Preparation of 1,4,4a,9a-tetrahydroanthraquinone | |
| JPS5432431A (en) | Replacement and separation of mother liquor in terephthalic acid suspension | |
| JP2635351B2 (ja) | 冷却結晶層の浄化法 | |
| US2098047A (en) | Process of recovering maleic acid from the fume gases containing small amounts thereof | |
| JPS5679652A (en) | Novel phenylalanine salt crystal | |
| NL193025A (enrdf_load_stackoverflow) | ||
| US3049566A (en) | Vanillin purification | |
| JPS5587744A (en) | Recovery of terephthalic acid | |
| US3607920A (en) | Process for the preparation of high purity isomers of toluic acid | |
| JPS5781436A (en) | Purification of ethyl acetate | |
| JPH01152291A (ja) | 高純度銅の製造方法 | |
| JPS5515785A (en) | Preparation of hard butter | |
| US3239556A (en) | Purification of hydroxyethyl terephthalate | |
| US4145353A (en) | Process for removing 1,4-naphthoquinone from phthalic anhydride | |
| US3379757A (en) | Malic acid synthesis | |
| SU376421A1 (ru) | Способ очистки тартразина | |
| SU362002A1 (ru) | Способ очистки адипиновой кислоты | |
| US2118802A (en) | Method of conserving pickling liquor | |
| JPS5518520A (en) | Regenerating method for organic solvent | |
| JPS5365814A (en) | Purification of acetic acid | |
| CAILAUD et al. | APPARATUS FOR THE PREVENTION OF SCALING IN DESALINATION APPARATUS | |
| JPS51136613A (en) | Process for purification of acetic acid | |
| SU1049471A1 (ru) | Способ регенерации диметилтерефталата |