JPS5524143A - Purification of naphthoquinone - Google Patents
Purification of naphthoquinoneInfo
- Publication number
- JPS5524143A JPS5524143A JP9741278A JP9741278A JPS5524143A JP S5524143 A JPS5524143 A JP S5524143A JP 9741278 A JP9741278 A JP 9741278A JP 9741278 A JP9741278 A JP 9741278A JP S5524143 A JPS5524143 A JP S5524143A
- Authority
- JP
- Japan
- Prior art keywords
- solution
- impurities
- water
- aqueous
- nahco
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C46/00—Preparation of quinones
- C07C46/10—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53097412A JPS5811936B2 (ja) | 1978-08-11 | 1978-08-11 | ナフトキノンの精製法 |
DE19792952902 DE2952902C2 (de) | 1978-08-11 | 1979-08-09 | Verfahren zur Reinigung von Naphtochinon |
PCT/JP1979/000210 WO1980000340A1 (en) | 1978-08-11 | 1979-08-09 | Process for purifying naphthoquinone |
GB7942637A GB2039897B (en) | 1978-08-11 | 1979-08-09 | Process for purifying naphthoqinone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53097412A JPS5811936B2 (ja) | 1978-08-11 | 1978-08-11 | ナフトキノンの精製法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5524143A true JPS5524143A (en) | 1980-02-21 |
JPS5811936B2 JPS5811936B2 (ja) | 1983-03-05 |
Family
ID=14191759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53097412A Expired JPS5811936B2 (ja) | 1978-08-11 | 1978-08-11 | ナフトキノンの精製法 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5811936B2 (ja) |
DE (1) | DE2952902C2 (ja) |
GB (1) | GB2039897B (ja) |
WO (1) | WO1980000340A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6289640A (ja) * | 1986-04-02 | 1987-04-24 | Kawasaki Kasei Chem Ltd | 1,4,4a,9a―テトラヒドロアントラキノンの製造方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2536833A (en) * | 1948-09-18 | 1951-01-02 | Allied Chem & Dye Corp | Recovery of naphthoquinone |
JPS518256A (ja) * | 1974-07-09 | 1976-01-23 | Kawasaki Kasei Chemicals | Tetorahidoroantorakinonno seizohoho |
DE2800864A1 (de) * | 1978-01-10 | 1979-07-12 | Kawasaki Kasei Chemicals | Verfahren zur trennung von naphthochinon und phthalsaeure |
-
1978
- 1978-08-11 JP JP53097412A patent/JPS5811936B2/ja not_active Expired
-
1979
- 1979-08-09 WO PCT/JP1979/000210 patent/WO1980000340A1/ja unknown
- 1979-08-09 DE DE19792952902 patent/DE2952902C2/de not_active Expired
- 1979-08-09 GB GB7942637A patent/GB2039897B/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6289640A (ja) * | 1986-04-02 | 1987-04-24 | Kawasaki Kasei Chem Ltd | 1,4,4a,9a―テトラヒドロアントラキノンの製造方法 |
JPS6346060B2 (ja) * | 1986-04-02 | 1988-09-13 | Kawasaki Kasei Chemicals |
Also Published As
Publication number | Publication date |
---|---|
DE2952902T1 (ja) | 1980-12-11 |
GB2039897B (en) | 1983-01-12 |
WO1980000340A1 (en) | 1980-03-06 |
JPS5811936B2 (ja) | 1983-03-05 |
GB2039897A (en) | 1980-08-20 |
DE2952902C2 (de) | 1987-08-27 |
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