BE754559A - Procede pour la preparation de trimethylhydroquinone - Google Patents
Procede pour la preparation de trimethylhydroquinoneInfo
- Publication number
- BE754559A BE754559A BE754559DA BE754559A BE 754559 A BE754559 A BE 754559A BE 754559D A BE754559D A BE 754559DA BE 754559 A BE754559 A BE 754559A
- Authority
- BE
- Belgium
- Prior art keywords
- trimethylhydroquinone
- preparation
- 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
- C07C37/06—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 |
---|---|---|---|
DE19691940386 DE1940386C3 (de) | 1969-08-08 | 1969-08-08 | Verfahren zur Herstellung von Trimethylhydrochinon |
Publications (1)
Publication Number | Publication Date |
---|---|
BE754559A true BE754559A (fr) | 1971-02-08 |
Family
ID=5742269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE754559D BE754559A (fr) | 1969-08-08 | Procede pour la preparation de trimethylhydroquinone |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5123487B1 (fr) |
AT (1) | AT298453B (fr) |
BE (1) | BE754559A (fr) |
CH (1) | CH526491A (fr) |
DE (1) | DE1940386C3 (fr) |
FR (1) | FR2056752A5 (fr) |
GB (1) | GB1314278A (fr) |
NL (1) | NL164841C (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2160599C3 (de) * | 1971-12-07 | 1975-01-30 | Ruetgerswerke Ag, 6000 Frankfurt | Verfahren zur Herstellung von substituierten Hydrochinonen, besonders 2,3,5-Trlmethylhydrochinon |
US4046029A (en) * | 1976-09-10 | 1977-09-06 | Sundstrand Corporation | Hydromechanical transmission |
DE3404337A1 (de) * | 1984-02-08 | 1985-08-08 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von trimethylhydrochinon |
WO2021122437A1 (fr) | 2019-12-19 | 2021-06-24 | Dsm Ip Assets B.V. | Formation de 2,3,5-triméthylhydroquinone à partir de 2,3,6-triméthylphénol |
WO2021122436A1 (fr) | 2019-12-19 | 2021-06-24 | Dsm Ip Assets B.V. | Procédé pour la préparation d'hydroquinones |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2229573A (en) * | 1938-05-04 | 1941-01-21 | Merck & Co Inc | Process for the production of trimethylhydroquinones |
-
0
- BE BE754559D patent/BE754559A/fr not_active IP Right Cessation
-
1969
- 1969-08-08 DE DE19691940386 patent/DE1940386C3/de not_active Expired
-
1970
- 1970-07-29 CH CH1144870A patent/CH526491A/de not_active IP Right Cessation
- 1970-08-05 NL NL7011586A patent/NL164841C/xx not_active IP Right Cessation
- 1970-08-07 AT AT722170A patent/AT298453B/de not_active IP Right Cessation
- 1970-08-07 FR FR7029294A patent/FR2056752A5/fr not_active Expired
- 1970-08-07 GB GB3817370A patent/GB1314278A/en not_active Expired
- 1970-08-07 JP JP6875970A patent/JPS5123487B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE1940386A1 (de) | 1971-04-29 |
DE1940386C3 (de) | 1974-04-18 |
AT298453B (de) | 1972-05-10 |
DE1940386B2 (de) | 1973-06-28 |
NL164841C (nl) | 1981-02-16 |
NL7011586A (fr) | 1971-02-10 |
GB1314278A (en) | 1973-04-18 |
JPS5123487B1 (fr) | 1976-07-17 |
CH526491A (de) | 1972-08-15 |
NL164841B (nl) | 1980-09-15 |
FR2056752A5 (fr) | 1971-05-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: BADISCHE ANILIN- & SODAFABRIK A.G. Effective date: 19900807 |