CH575898A5 - - Google Patents
Info
- Publication number
- CH575898A5 CH575898A5 CH1661072A CH1661072A CH575898A5 CH 575898 A5 CH575898 A5 CH 575898A5 CH 1661072 A CH1661072 A CH 1661072A CH 1661072 A CH1661072 A CH 1661072A CH 575898 A5 CH575898 A5 CH 575898A5
- Authority
- CH
- Switzerland
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
- C07C37/06—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation
- C07C37/07—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation with simultaneous reduction of C=O group in that 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 |
|---|---|---|---|
| DE2160599A DE2160599C3 (de) | 1971-12-07 | 1971-12-07 | Verfahren zur Herstellung von substituierten Hydrochinonen, besonders 2,3,5-Trlmethylhydrochinon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH575898A5 true CH575898A5 (enExample) | 1976-05-31 |
Family
ID=5827230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1661072A CH575898A5 (enExample) | 1971-12-07 | 1972-11-15 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3954891A (enExample) |
| JP (1) | JPS5720285B2 (enExample) |
| CH (1) | CH575898A5 (enExample) |
| DE (1) | DE2160599C3 (enExample) |
| FR (1) | FR2162469B1 (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1192915A (en) * | 1982-04-29 | 1985-09-03 | Chao-Yang Hsu | Production of hydroquinone |
| DE3404337A1 (de) * | 1984-02-08 | 1985-08-08 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von trimethylhydrochinon |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2259936A (en) * | 1937-07-30 | 1941-10-21 | Merck & Co Inc | Process of preparing durohydroquinone |
| DE683908C (de) * | 1938-05-05 | 1939-11-18 | Merck Chem Fab E | Verfahren zur Herstellung von Trimethylhydrochinon |
| GB595514A (en) * | 1941-12-08 | 1947-12-08 | Rhone Poulenc Sa | Process for the preparation of hydroquinone |
| US2608561A (en) * | 1950-01-09 | 1952-08-26 | Rauma Raahe Oy | Method of making duroquinone |
| US2730535A (en) * | 1952-09-25 | 1956-01-10 | Universal Oil Prod Co | Production of substituted quinones |
| DE1932362A1 (de) * | 1969-06-26 | 1971-01-07 | Ruetgerswerke Ag | Verfahren zur Herstellung von 2,3,6-Trimethylhydrochinon |
| BE754559A (fr) * | 1969-08-08 | 1971-02-08 | Basf Ag | Procede pour la preparation de trimethylhydroquinone |
| US3723541A (en) * | 1970-08-05 | 1973-03-27 | Basf Ag | Manufacture of trimethyl hydroquinone |
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1971
- 1971-12-07 DE DE2160599A patent/DE2160599C3/de not_active Expired
-
1972
- 1972-09-27 JP JP9625672A patent/JPS5720285B2/ja not_active Expired
- 1972-11-15 CH CH1661072A patent/CH575898A5/xx not_active IP Right Cessation
- 1972-11-27 US US05/309,769 patent/US3954891A/en not_active Expired - Lifetime
- 1972-12-05 FR FR7243268A patent/FR2162469B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3954891A (en) | 1976-05-04 |
| FR2162469A1 (enExample) | 1973-07-20 |
| JPS4864037A (enExample) | 1973-09-05 |
| DE2160599B2 (de) | 1974-06-20 |
| DE2160599A1 (de) | 1973-07-12 |
| FR2162469B1 (enExample) | 1976-06-04 |
| JPS5720285B2 (enExample) | 1982-04-27 |
| DE2160599C3 (de) | 1975-01-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |