CH608480A5 - Process for the preparation of a mixture of naphthalene-1,4,5,8-tetracarboxylic acid and its anhydrides - Google Patents
Process for the preparation of a mixture of naphthalene-1,4,5,8-tetracarboxylic acid and its anhydridesInfo
- Publication number
- CH608480A5 CH608480A5 CH1174474A CH1174474A CH608480A5 CH 608480 A5 CH608480 A5 CH 608480A5 CH 1174474 A CH1174474 A CH 1174474A CH 1174474 A CH1174474 A CH 1174474A CH 608480 A5 CH608480 A5 CH 608480A5
- Authority
- CH
- Switzerland
- Prior art keywords
- anhydrides
- naphthalene
- mixture
- preparation
- tetracarboxylic acid
- Prior art date
Links
- 150000008064 anhydrides Chemical class 0.000 title 1
- 239000000203 mixture Substances 0.000 title 1
- OLAPPGSPBNVTRF-UHFFFAOYSA-N naphthalene-1,4,5,8-tetracarboxylic acid Chemical compound C1=CC(C(O)=O)=C2C(C(=O)O)=CC=C(C(O)=O)C2=C1C(O)=O OLAPPGSPBNVTRF-UHFFFAOYSA-N 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/31—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting
- C07C51/316—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting with oxides of nitrogen or nitrogen-containing mineral acids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732343964 DE2343964C3 (de) | 1973-08-31 | Verfahren zur Herstellung von Naphthalin-1,4,5,8-tetracarbonsäure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH608480A5 true CH608480A5 (en) | 1979-01-15 |
Family
ID=5891266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1174474A CH608480A5 (en) | 1973-08-31 | 1974-08-28 | Process for the preparation of a mixture of naphthalene-1,4,5,8-tetracarboxylic acid and its anhydrides |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5058043A (cs) |
| BE (1) | BE819450A (cs) |
| CA (1) | CA1025875A (cs) |
| CH (1) | CH608480A5 (cs) |
| CS (1) | CS180022B2 (cs) |
| FR (1) | FR2242364B1 (cs) |
| GB (1) | GB1479351A (cs) |
| IT (1) | IT1020307B (cs) |
| NL (1) | NL7411327A (cs) |
| SU (1) | SU521834A3 (cs) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2653346C2 (de) * | 1976-11-24 | 1984-05-10 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung hochreiner Halogennaphthalsäureanhydride |
| CN112473649B (zh) * | 2019-11-07 | 2023-06-23 | 鞍山七彩化学股份有限公司 | 一种钒基催化剂及其制备方法和用途 |
-
1974
- 1974-08-26 NL NL7411327A patent/NL7411327A/xx not_active Application Discontinuation
- 1974-08-28 CH CH1174474A patent/CH608480A5/xx not_active IP Right Cessation
- 1974-08-29 IT IT2674974A patent/IT1020307B/it active
- 1974-08-30 CA CA208,184A patent/CA1025875A/en not_active Expired
- 1974-08-30 FR FR7429630A patent/FR2242364B1/fr not_active Expired
- 1974-08-30 JP JP9903674A patent/JPS5058043A/ja active Pending
- 1974-08-30 SU SU2056185A patent/SU521834A3/ru active
- 1974-08-30 CS CS601574A patent/CS180022B2/cs unknown
- 1974-09-02 GB GB3827474A patent/GB1479351A/en not_active Expired
- 1974-09-02 BE BE148133A patent/BE819450A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CS180022B2 (en) | 1977-12-30 |
| NL7411327A (nl) | 1975-03-04 |
| FR2242364A1 (cs) | 1975-03-28 |
| CA1025875A (en) | 1978-02-07 |
| SU521834A3 (ru) | 1976-07-15 |
| DE2343964B2 (de) | 1976-09-09 |
| BE819450A (fr) | 1975-03-03 |
| IT1020307B (it) | 1977-12-20 |
| DE2343964A1 (de) | 1975-04-03 |
| FR2242364B1 (cs) | 1979-01-05 |
| JPS5058043A (cs) | 1975-05-20 |
| GB1479351A (en) | 1977-07-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |