CH557313A - Verfahren zur herstellung von brenzcatechin und hydrochinon. - Google Patents
Verfahren zur herstellung von brenzcatechin und hydrochinon.Info
- Publication number
- CH557313A CH557313A CH1817571A CH1817571A CH557313A CH 557313 A CH557313 A CH 557313A CH 1817571 A CH1817571 A CH 1817571A CH 1817571 A CH1817571 A CH 1817571A CH 557313 A CH557313 A CH 557313A
- Authority
- CH
- Switzerland
- Prior art keywords
- catechol
- hydroquinone
- manufacturing
- Prior art date
Links
Classifications
-
- 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
- C07C37/60—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by oxidation reactions introducing directly hydroxy groups on a =CH-group belonging to a six-membered aromatic ring with the aid of other oxidants than molecular oxygen or their mixtures with molecular oxygen
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP45128153A JPS5111104B1 (de) | 1970-12-29 | 1970-12-29 | |
JP2107571 | 1971-04-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH557313A true CH557313A (de) | 1974-12-31 |
Family
ID=26358093
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1817571A CH557313A (de) | 1970-12-29 | 1971-12-13 | Verfahren zur herstellung von brenzcatechin und hydrochinon. |
Country Status (7)
Country | Link |
---|---|
CA (1) | CA919707A (de) |
CH (1) | CH557313A (de) |
DE (1) | DE2162552A1 (de) |
FR (1) | FR2121000A5 (de) |
GB (1) | GB1332420A (de) |
IT (1) | IT943314B (de) |
NL (1) | NL7117941A (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1448358A (en) * | 1974-04-04 | 1976-09-08 | Ube Industries | Process for preparint dihydric phenol derivatives |
GB1448357A (en) * | 1974-04-04 | 1976-09-08 | Ube Industries | Process for preparing dihydric phenol derivatives |
IT1195029B (it) * | 1980-09-09 | 1988-09-28 | Anic Spa | Procedimento per la ossidrilazione di idrocarburi aromatici |
US4530963A (en) * | 1982-08-20 | 1985-07-23 | Devoe-Holbein International, N.V. | Insoluble chelating compositions |
US4588845A (en) * | 1983-07-18 | 1986-05-13 | Fmc Corporation | Oxidation of unsaturated organic compounds with hydrogen peroxide |
FR2643633B1 (fr) * | 1989-02-28 | 1991-05-10 | Rhone Poulenc Chimie | Procede d'hydroxylation de phenols et d'ethers de phenols |
FR2744720B1 (fr) * | 1996-02-09 | 1998-04-10 | Rhone Poulenc Chimie | Procede d'hydroxylation de composes phenoliques |
CN1053389C (zh) * | 1996-05-29 | 2000-06-14 | 吉林大学 | 苯酚过氧化氢羟化合成苯二酚的微孔树脂镶嵌的纳米粒子催化剂 |
WO2006038893A1 (en) * | 2004-10-06 | 2006-04-13 | Agency For Science, Technology And Research | Oxidation of phenolic compound with hydrogen peroxide generated in the presence of the phenolic compound |
FR2905374B1 (fr) | 2006-09-04 | 2008-11-14 | Rhodia Recherches & Tech | Procede de preparation d'hydroquinone de purete elevee. |
FR2925489B1 (fr) | 2007-12-19 | 2010-02-05 | Rhodia Operations | Procede de preparation de pyrocatechol purifie |
-
1971
- 1971-12-03 CA CA129209A patent/CA919707A/en not_active Expired
- 1971-12-10 GB GB5750471A patent/GB1332420A/en not_active Expired
- 1971-12-13 CH CH1817571A patent/CH557313A/de not_active IP Right Cessation
- 1971-12-16 DE DE19712162552 patent/DE2162552A1/de active Pending
- 1971-12-21 IT IT7116871A patent/IT943314B/it active
- 1971-12-28 FR FR7147072A patent/FR2121000A5/fr not_active Expired
- 1971-12-28 NL NL7117941A patent/NL7117941A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CA919707A (en) | 1973-01-23 |
FR2121000A5 (de) | 1972-08-18 |
IT943314B (it) | 1973-04-02 |
GB1332420A (en) | 1973-10-03 |
DE2162552A1 (de) | 1972-08-03 |
NL7117941A (de) | 1972-07-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |