DE3519039C2 - - Google Patents
Info
- Publication number
- DE3519039C2 DE3519039C2 DE19853519039 DE3519039A DE3519039C2 DE 3519039 C2 DE3519039 C2 DE 3519039C2 DE 19853519039 DE19853519039 DE 19853519039 DE 3519039 A DE3519039 A DE 3519039A DE 3519039 C2 DE3519039 C2 DE 3519039C2
- Authority
- DE
- Germany
- Prior art keywords
- mixture
- dichlorophenol
- toluene
- dichlorophenolate
- potassium
- 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.)
- 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
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
- C07C37/84—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation
 
- 
        - 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
- C07C37/055—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 the substituted group being bound to oxygen, e.g. ether group
 
- 
        - 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
- C07C37/64—Preparation of O-metal compounds with O-metal group bound to a carbon atom belonging to a six-membered aromatic ring
- C07C37/66—Preparation of O-metal compounds with O-metal group bound to a carbon atom belonging to a six-membered aromatic ring by conversion of hydroxy groups to O-metal groups
 
- 
        - 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
 
- 
        - 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
- C07C37/685—Processes comprising at least two steps in series
 
- 
        - 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
 
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| GB8512199A GB2175299B (en) | 1985-05-14 | 1985-05-14 | Process for isolating alkali metal 2,4-dichlorophenolate and 2,4-dichlorophenol from a mixture of chlorophenols | 
Publications (2)
| Publication Number | Publication Date | 
|---|---|
| DE3519039A1 DE3519039A1 (de) | 1986-12-04 | 
| DE3519039C2 true DE3519039C2 (OSRAM) | 1989-02-02 | 
Family
ID=10579120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| DE19853519039 Granted DE3519039A1 (de) | 1985-05-14 | 1985-05-28 | Verfahren zur abtrennung des 2,4-dichlorphenolats eines alkalimetalls und von 2,4-dichlorphenol aus einem gemisch von chlorphenolen | 
Country Status (4)
| Country | Link | 
|---|---|
| AT (1) | AT381928B (OSRAM) | 
| DE (1) | DE3519039A1 (OSRAM) | 
| GB (1) | GB2175299B (OSRAM) | 
| NL (1) | NL8501414A (OSRAM) | 
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| SU406824A1 (ru) * | 1971-06-01 | 1973-11-21 | М. С. Бакиров, А. Д. Игошев, В. Н. Лукашенок, А. С. Соболев, С. В. Зубарев , И. Пенышкина Уфимский химический завод | Способ выделения хлорзамещенных фенолов | 
- 
        1985
        - 1985-05-03 AT AT132885A patent/AT381928B/de not_active IP Right Cessation
- 1985-05-14 GB GB8512199A patent/GB2175299B/en not_active Expired
- 1985-05-15 NL NL8501414A patent/NL8501414A/nl not_active Application Discontinuation
- 1985-05-28 DE DE19853519039 patent/DE3519039A1/de active Granted
 
Also Published As
| Publication number | Publication date | 
|---|---|
| NL8501414A (nl) | 1986-12-01 | 
| GB2175299A (en) | 1986-11-26 | 
| GB2175299B (en) | 1989-06-28 | 
| ATA132885A (de) | 1986-05-15 | 
| DE3519039A1 (de) | 1986-12-04 | 
| GB8512199D0 (en) | 1985-06-19 | 
| AT381928B (de) | 1986-12-10 | 
Similar Documents
| Publication | Publication Date | Title | 
|---|---|---|
| DE69010904T2 (de) | Extraktionsverfahren zur entfernung von verunreinigungen aus terephthalsäurefiltrat. | |
| EP1493730B1 (de) | Verfahren zur Aufarbeitung von Nebenkomponenten der Dinitroluolherstellung | |
| DE2844202C2 (OSRAM) | ||
| DE2127851A1 (de) | Verfahren zur Herstellung von Hydrochinon | |
| DE2548470C2 (de) | Verfahren zur Herstellung von reinem 2,2-Bis-(4-hydroxyphenyl)-propan | |
| DE1493816A1 (de) | Verfahren zur Herstellung eines Diphenylolpropans | |
| DE1493815B2 (de) | Verfahren zur gewinnung von reinem 2,2-(4,4' - dihydroxydiphenyl) - propan | |
| DE3037476A1 (de) | Verfahren zur trennung von resorcin und hydrochinon voneinander bzw. zur abtrennung und reinigung von hydrochinon aus verunreinigtem rohhydrochinon | |
| DE68904760T2 (de) | Regeneration von erschoepften schwefelsaeuren mittels wasserstoffperoxyd. | |
| DE2022569C3 (de) | Verfahren zur Reinigung von rohem 2-Mercaptobenzothiazol | |
| DE3519039C2 (OSRAM) | ||
| DE1493977A1 (de) | Verfahren zur Herstellung von Hydrochinon aus p-Dialkylbenzol-bis-hydroperoxyden | |
| DE69018028T2 (de) | Verfahren zur Herstellung von 2-substituierten-1,4-Naphtochinonen. | |
| DE1493838B1 (de) | Verfahren zur Abtrennung von 2,2,4-Trimethyl-4-(4'-hydroxyphenyl)-chroman aus Mischungen | |
| CH639943A5 (de) | Verfahren zur herstellung von phenylhydrazin. | |
| EP0115299B1 (de) | Verfahren zur gleichzeitigen Gewinnung von 4-Hydroxydiphenyl und 4,4'-Dihydroxydiphenyl | |
| EP0143416A2 (de) | Verfahren zur Isolierung von Alkalisulfat-armen Paraffinsulfonaten und Schwefelsäure aus Paraffin-Sulfoxidation-Reaktionsgemischen | |
| DE2708388A1 (de) | Verfahren zur herstellung von 4,4'- dihydroxydiphenylsulfon | |
| EP0475226B1 (de) | Verfahren zur Herstellung von 2-Mercapto-benzothiazol | |
| DE110010C (OSRAM) | ||
| DE2324501C3 (de) | Verfahren zur Reinigung von p-Nitrophenol | |
| DE2307310A1 (de) | Verfahren zur reinigung von diaminomaleonitril | |
| EP0014406B1 (de) | Verfahren zur Abtrennung von Selen, Selenverbindungen, Schwefel und/oder Schwefelverbindungen aus diese Elemente bzw. Verbindungen aufweisenden Urethanen | |
| DE963330C (de) | Verfahren zur Gewinnung von reiner Pimelinsaeure | |
| DE1445934C3 (de) | Verfahren zur Reinigung von Bipyridylen | 
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 |