FR2294157A1 - Procede de preparation d'hydroquinone - Google Patents
Procede de preparation d'hydroquinoneInfo
- Publication number
- FR2294157A1 FR2294157A1 FR7441152A FR7441152A FR2294157A1 FR 2294157 A1 FR2294157 A1 FR 2294157A1 FR 7441152 A FR7441152 A FR 7441152A FR 7441152 A FR7441152 A FR 7441152A FR 2294157 A1 FR2294157 A1 FR 2294157A1
- Authority
- FR
- France
- Prior art keywords
- aminophenol
- soln
- hydroquinone
- nh4hso4
- hydrolysis
- Prior art date
- 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.)
- Granted
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
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
- C07C37/72—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment
-
- 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
- C07C37/01—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis
- C07C37/045—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis by substitution of a group bound to the ring by nitrogen
- C07C37/05—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis by substitution of a group bound to the ring by nitrogen by substitution of a NH2 group
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7441152A FR2294157A1 (fr) | 1974-12-13 | 1974-12-13 | Procede de preparation d'hydroquinone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7441152A FR2294157A1 (fr) | 1974-12-13 | 1974-12-13 | Procede de preparation d'hydroquinone |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2294157A1 true FR2294157A1 (fr) | 1976-07-09 |
FR2294157B1 FR2294157B1 ( ) | 1977-04-08 |
Family
ID=9146149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7441152A Granted FR2294157A1 (fr) | 1974-12-13 | 1974-12-13 | Procede de preparation d'hydroquinone |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2294157A1 ( ) |
-
1974
- 1974-12-13 FR FR7441152A patent/FR2294157A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2294157B1 ( ) | 1977-04-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |