DE3117481A1 - Verfahren zum perbromieren von phenol und diphenylaether - Google Patents
Verfahren zum perbromieren von phenol und diphenylaetherInfo
- Publication number
- DE3117481A1 DE3117481A1 DE19813117481 DE3117481A DE3117481A1 DE 3117481 A1 DE3117481 A1 DE 3117481A1 DE 19813117481 DE19813117481 DE 19813117481 DE 3117481 A DE3117481 A DE 3117481A DE 3117481 A1 DE3117481 A1 DE 3117481A1
- Authority
- DE
- Germany
- Prior art keywords
- bromine
- reaction
- excess
- temperature
- diphenyl ether
- 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
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
- C07C41/22—Preparation of ethers by reactions not forming ether-oxygen bonds by introduction of halogens; by substitution of halogen atoms by other halogen atoms
-
- 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
- C07C37/62—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by introduction of halogen; by substitution of halogen atoms by other halogen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19813117481 DE3117481A1 (de) | 1981-05-02 | 1981-05-02 | Verfahren zum perbromieren von phenol und diphenylaether |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19813117481 DE3117481A1 (de) | 1981-05-02 | 1981-05-02 | Verfahren zum perbromieren von phenol und diphenylaether |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3117481A1 true DE3117481A1 (de) | 1982-11-18 |
DE3117481C2 DE3117481C2 (fr) | 1990-10-25 |
Family
ID=6131353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19813117481 Granted DE3117481A1 (de) | 1981-05-02 | 1981-05-02 | Verfahren zum perbromieren von phenol und diphenylaether |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3117481A1 (fr) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2400455B2 (de) * | 1973-07-13 | 1975-06-12 | Produits Chimiques Ugine Kuhlmann, Paris | Verfahren zur Ringbromierung von aromatischen Verbindungen |
-
1981
- 1981-05-02 DE DE19813117481 patent/DE3117481A1/de active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2400455B2 (de) * | 1973-07-13 | 1975-06-12 | Produits Chimiques Ugine Kuhlmann, Paris | Verfahren zur Ringbromierung von aromatischen Verbindungen |
Also Published As
Publication number | Publication date |
---|---|
DE3117481C2 (fr) | 1990-10-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2400455C3 (de) | Verfahren zur Perbromierung von bestimmten mehrkernigen aromatischen Verbindungen | |
DE3025475C2 (de) | Verfahren zur Herstellung von aromatischen Dialdehyden | |
DE2948149A1 (de) | Verfahren zur reinigung von bromierten organischen verbindungen | |
DE3888523T2 (de) | Verfahren zur herstellung von 4,4'-dibromdiphenylether. | |
CH635308A5 (de) | Verfahren zur denitrosierung von n-nitrosoverbindungen. | |
DE3107755A1 (de) | Katalysatoren fuer die herstellung von 3-cyanpyridin | |
DE2702932C3 (de) | Verfahren zur Disproportionierung von bestimmten Chlorfluoralkanen | |
DE2341743B2 (de) | Verfahren zur Herstellung einer Mischung aus Brenzkatechin und Hydrochinon | |
DE3117481A1 (de) | Verfahren zum perbromieren von phenol und diphenylaether | |
DE2739218C2 (fr) | ||
EP0220135B1 (fr) | Procédé de préparation du chloranil | |
EP0083555B1 (fr) | Procédé pour la préparation de l'acide p-nitrotoluène-2-sulphonique | |
EP0492386B1 (fr) | Procédé pour la préparation de dérivés fluorés d'éthane | |
EP0019281A2 (fr) | Procédé pour l'élimination d'agents de nitrosation de composés aromatiques nitrurés | |
DE3106170A1 (de) | Trifluorpropylderivate von monosubstituiertem benzol und verfahren zu deren herstellung | |
DE2443179B2 (de) | Verfahren zur herstellung von perchlormethylbenzolen | |
EP0166684B1 (fr) | Procédé pour la préparation de composés hydroxy-aromatiques | |
DE3106169C2 (de) | Verfahren zur Herstellung von 3,3,3,-trifluorpropylierten Benzolderivaten | |
EP1110939B1 (fr) | Procédé pour la préparation de poly(fluoroalkyl)-acétophénones | |
DE2613969C3 (de) | Verfahren zur Herstellung von bromierten Phenolen | |
CH647491A5 (en) | Perbromination of phenol and diphenyl ether at elevated temperature using bromine as a reaction medium | |
DE69014284T2 (de) | Verfahren zur Herstellung von Kupferformiat. | |
DE2633204B2 (de) | Verfahren zur Herstellung von Benzylnatrium oder Chlorbenzylnatrium | |
DE3051193C2 (en) | Purification of crude deca:bromo-di:phenyl ether | |
CH494721A (de) | Verfahren zur Gewinnung von Heptafluorisopropyl-2'-jodtetrafluoräthyläther |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |