FR2162469B1 - - Google Patents
Info
- Publication number
- FR2162469B1 FR2162469B1 FR7243268A FR7243268A FR2162469B1 FR 2162469 B1 FR2162469 B1 FR 2162469B1 FR 7243268 A FR7243268 A FR 7243268A FR 7243268 A FR7243268 A FR 7243268A FR 2162469 B1 FR2162469 B1 FR 2162469B1
- Authority
- FR
- France
- 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.)
- Expired
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 (2)
Publication Number | Publication Date |
---|---|
FR2162469A1 FR2162469A1 (fr) | 1973-07-20 |
FR2162469B1 true FR2162469B1 (fr) | 1976-06-04 |
Family
ID=5827230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7243268A Expired FR2162469B1 (fr) | 1971-12-07 | 1972-12-05 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3954891A (fr) |
JP (1) | JPS5720285B2 (fr) |
CH (1) | CH575898A5 (fr) |
DE (1) | DE2160599C3 (fr) |
FR (1) | FR2162469B1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1192915A (fr) * | 1982-04-29 | 1985-09-03 | Chao-Yang Hsu | Production de l'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 (fr) | 1973-07-20 |
DE2160599A1 (de) | 1973-07-12 |
DE2160599C3 (de) | 1975-01-30 |
JPS4864037A (fr) | 1973-09-05 |
CH575898A5 (fr) | 1976-05-31 |
DE2160599B2 (de) | 1974-06-20 |
JPS5720285B2 (fr) | 1982-04-27 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |