BR8800476A - Processo para a preparacao de tetracloro-1,4-benzoquinona de alta pureza - Google Patents
Processo para a preparacao de tetracloro-1,4-benzoquinona de alta purezaInfo
- Publication number
- BR8800476A BR8800476A BR8800476A BR8800476A BR8800476A BR 8800476 A BR8800476 A BR 8800476A BR 8800476 A BR8800476 A BR 8800476A BR 8800476 A BR8800476 A BR 8800476A BR 8800476 A BR8800476 A BR 8800476A
- Authority
- BR
- Brazil
- Prior art keywords
- tetracloro
- benzoquinone
- preparation
- high purity
- purity
- Prior art date
Links
- 229940005561 1,4-benzoquinone Drugs 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C50/00—Quinones
- C07C50/24—Quinones containing halogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C46/00—Preparation of quinones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/62—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by introduction of halogen; by substitution of halogen atoms by other halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C46/00—Preparation of quinones
- C07C46/02—Preparation of quinones by oxidation giving rise to quinoid structures
- C07C46/06—Preparation of quinones by oxidation giving rise to quinoid structures of at least one hydroxy group on a six-membered aromatic ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873703567 DE3703567A1 (de) | 1987-02-06 | 1987-02-06 | Verfahren zur herstellung von tetrachlor-1,4-benzochinon hoher reinheit |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8800476A true BR8800476A (pt) | 1988-09-20 |
Family
ID=6320345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8800476A BR8800476A (pt) | 1987-02-06 | 1988-02-06 | Processo para a preparacao de tetracloro-1,4-benzoquinona de alta pureza |
Country Status (9)
Country | Link |
---|---|
US (1) | US5151532A (pt) |
EP (1) | EP0278377B1 (pt) |
JP (1) | JPH0832653B2 (pt) |
KR (1) | KR960001705B1 (pt) |
BR (1) | BR8800476A (pt) |
CA (1) | CA1313879C (pt) |
DE (2) | DE3703567A1 (pt) |
ES (1) | ES2036606T3 (pt) |
IN (1) | IN166876B (pt) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5329027A (en) * | 1992-11-24 | 1994-07-12 | Grupo Cydsa, S.A. De C.V. | Oxidative dehalogenation process for the production of perchlorinated quinones |
DE4336323C1 (de) * | 1993-10-25 | 1995-03-09 | Hoechst Ag | Verfahren zur Herstellung von Tetrachlor- 1,4-benzochinon |
DE4405929C1 (de) * | 1994-02-24 | 1995-03-09 | Hoechst Ag | Verfahren zur Herstellung von Tetrachlor-1,4-benzochinon |
US7458257B2 (en) * | 2005-12-19 | 2008-12-02 | Schlumberger Technology Corporation | Downhole measurement of formation characteristics while drilling |
CN106866399B (zh) * | 2017-03-03 | 2020-05-22 | 南通书创药业科技有限公司 | 四氯苯醌及其制备方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2722537A (en) * | 1953-01-23 | 1955-11-01 | Monsanto Chemicals | Production of chloranil |
DE2645114A1 (de) * | 1976-10-06 | 1978-04-13 | Peter Prof Dr Boldt | Verfahren zur halogenierung und halogenierenden oxydation aromatischer verbindungen |
DE2933119C2 (de) * | 1979-08-16 | 1982-06-24 | Chemische Fabrik Kalk GmbH, 5000 Köln | Verfahren zur Herstellung von Bromanil |
-
1987
- 1987-02-06 DE DE19873703567 patent/DE3703567A1/de not_active Withdrawn
-
1988
- 1988-01-18 IN IN43/CAL/88A patent/IN166876B/en unknown
- 1988-02-03 EP EP88101533A patent/EP0278377B1/de not_active Expired - Lifetime
- 1988-02-03 ES ES198888101533T patent/ES2036606T3/es not_active Expired - Lifetime
- 1988-02-03 DE DE8888101533T patent/DE3869804D1/de not_active Expired - Fee Related
- 1988-02-05 JP JP63024074A patent/JPH0832653B2/ja not_active Expired - Lifetime
- 1988-02-05 CA CA000558259A patent/CA1313879C/en not_active Expired - Fee Related
- 1988-02-05 KR KR1019880001049A patent/KR960001705B1/ko not_active IP Right Cessation
- 1988-02-06 BR BR8800476A patent/BR8800476A/pt active Search and Examination
-
1991
- 1991-06-27 US US07/724,499 patent/US5151532A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5151532A (en) | 1992-09-29 |
EP0278377A3 (en) | 1989-04-26 |
DE3703567A1 (de) | 1988-08-18 |
IN166876B (pt) | 1990-07-28 |
EP0278377A2 (de) | 1988-08-17 |
JPH0832653B2 (ja) | 1996-03-29 |
DE3869804D1 (de) | 1992-05-14 |
CA1313879C (en) | 1993-02-23 |
KR890012930A (ko) | 1989-09-20 |
EP0278377B1 (de) | 1992-04-08 |
KR960001705B1 (ko) | 1996-02-03 |
ES2036606T3 (es) | 1993-06-01 |
JPS63196539A (ja) | 1988-08-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Decision: intention to grant | ||
KD | Notifcation of receipt (letter patent) | ||
FA4 | Application deemed withdrawn (art. 21(1)) |