NL8501414A - Werkwijze voor het isoleren van alkalimetaal-2,4-dichloorfenolaat en 2,4-dichloorfenol uit een mengsel van chloorfenolen. - Google Patents
Werkwijze voor het isoleren van alkalimetaal-2,4-dichloorfenolaat en 2,4-dichloorfenol uit een mengsel van chloorfenolen. Download PDFInfo
- Publication number
- NL8501414A NL8501414A NL8501414A NL8501414A NL8501414A NL 8501414 A NL8501414 A NL 8501414A NL 8501414 A NL8501414 A NL 8501414A NL 8501414 A NL8501414 A NL 8501414A NL 8501414 A NL8501414 A NL 8501414A
- Authority
- NL
- Netherlands
- Prior art keywords
- mixture
- dichlorophenol
- toluene
- dichlorophenolate
- temperature
- 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
- C07C37/68—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 (2)
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 |
GB8512199 | 1985-05-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL8501414A true NL8501414A (nl) | 1986-12-01 |
Family
ID=10579120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8501414A NL8501414A (nl) | 1985-05-14 | 1985-05-15 | Werkwijze voor het isoleren van alkalimetaal-2,4-dichloorfenolaat en 2,4-dichloorfenol uit een mengsel van chloorfenolen. |
Country Status (4)
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 |
---|---|
AT381928B (de) | 1986-12-10 |
ATA132885A (de) | 1986-05-15 |
GB2175299A (en) | 1986-11-26 |
GB8512199D0 (en) | 1985-06-19 |
DE3519039A1 (de) | 1986-12-04 |
GB2175299B (en) | 1989-06-28 |
DE3519039C2 (US20050192411A1-20050901-C00001.png) | 1989-02-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3073868A (en) | Production and purification of diphenylolalkanes | |
KR970015555A (ko) | 고순도 테레프탈산의 제조방법 | |
US5434316A (en) | Purification of bisphenol-A | |
US3290391A (en) | Production and purification of a diphenylolpropane | |
JPS59231033A (ja) | ビスフエノ−ルaの精製方法 | |
US3207795A (en) | Production and purification of diphenylolalkanes | |
FR2467185A1 (fr) | Procedes de separation et de purification du resorcinol et de l'hydroquinone | |
US4935555A (en) | Purification of neopentyl glycol | |
CA2005469C (en) | Method of purifying bisphenols | |
NL8501414A (nl) | Werkwijze voor het isoleren van alkalimetaal-2,4-dichloorfenolaat en 2,4-dichloorfenol uit een mengsel van chloorfenolen. | |
US3359281A (en) | Separation and isolation of 2, 2, (2, 4'-dihydroxydiphenyl) propane and 2, 2, 4-trimethyl 4(4'-hydroxyphenyl) chroman from mixtures containing the same | |
US2744144A (en) | Purification of phenol | |
US3679751A (en) | Boric acid recovery | |
US4294998A (en) | Preparation of high purity 1,4-butanediol | |
JPS62138443A (ja) | ビスクレゾ−ルの製造方法 | |
CA1268779A (en) | Isolation process | |
EP0153292B1 (en) | Purification of crude sorbic acid | |
US2527660A (en) | Methacrylonitrile purification | |
US3975441A (en) | Process for recovering purified 4-hydroxy-2,4,6-trimethyl-2,5-cyclohexadiene-1-one | |
JPS6193165A (ja) | キナルジンの分離精製法 | |
US4463197A (en) | Method for purifying phloroglucin | |
US3821294A (en) | Process for producing very pure tetra chlorobisphenol a | |
US3933929A (en) | Process for the purification of p-nitrophenol | |
SU1004347A1 (ru) | Способ выделени и очистки фенолкарбоновых кислот | |
US2521097A (en) | Purification of sulfamethazine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
BV | The patent application has lapsed |