FR2333766A1 - Procede de preparation du m- et/ou du p-cresol par desalkylation de mono- et/ou di-tert-alkyl-m- et/ou p-cresols - Google Patents
Procede de preparation du m- et/ou du p-cresol par desalkylation de mono- et/ou di-tert-alkyl-m- et/ou p-cresolsInfo
- Publication number
- FR2333766A1 FR2333766A1 FR7636609A FR7636609A FR2333766A1 FR 2333766 A1 FR2333766 A1 FR 2333766A1 FR 7636609 A FR7636609 A FR 7636609A FR 7636609 A FR7636609 A FR 7636609A FR 2333766 A1 FR2333766 A1 FR 2333766A1
- Authority
- FR
- France
- Prior art keywords
- desalkylation
- cresols
- cresol
- tert
- mono
- 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
- C07C37/50—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions decreasing the number of carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2554702A DE2554702C3 (de) | 1975-12-05 | 1975-12-05 | Verfahren zur Herstellung von m- und/oder p-Kresol durch katalytische Entalkylierung von tert.-alkyl-substituierten Phenolen |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2333766A1 true FR2333766A1 (fr) | 1977-07-01 |
FR2333766B1 FR2333766B1 (fr) | 1983-02-04 |
Family
ID=5963527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7636609A Granted FR2333766A1 (fr) | 1975-12-05 | 1976-12-03 | Procede de preparation du m- et/ou du p-cresol par desalkylation de mono- et/ou di-tert-alkyl-m- et/ou p-cresols |
Country Status (8)
Country | Link |
---|---|
US (1) | US4150243A (fr) |
JP (1) | JPS5819650B2 (fr) |
BE (1) | BE849025A (fr) |
DE (1) | DE2554702C3 (fr) |
FR (1) | FR2333766A1 (fr) |
GB (1) | GB1499288A (fr) |
IT (1) | IT1066787B (fr) |
NL (1) | NL183940C (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3461458D1 (en) * | 1983-07-15 | 1987-01-15 | Ici America Inc | High yield process for preparing 3,3',5,5'-tetraalkyl-4,4'-biphenol |
US4487978A (en) * | 1983-07-15 | 1984-12-11 | Ici Americas Inc. | High yield process for preparing 4,4'-biphenol and tert-alkylated-alkylbenzenes |
JP2524594B2 (ja) * | 1987-06-02 | 1996-08-14 | 三菱化学株式会社 | 高純度4,4′−ビフエノ−ル類の製造方法 |
US4888446A (en) * | 1988-04-11 | 1989-12-19 | Texaco Chemical Co. | Preparation of polyoxyalkylene glycol amines |
EP3636819B1 (fr) | 2017-06-08 | 2022-11-09 | Kuraray Kuraflex Co., Ltd. | Structure fibreuse, corps moulé et matériau insonorisant |
CN113544112B (zh) | 2019-02-04 | 2024-01-23 | 中国石油化工股份有限公司 | 脱烷基和烷基转移混合酚以制备甲酚 |
CN115745749A (zh) * | 2022-11-23 | 2023-03-07 | 江苏迈达新材料股份有限公司 | 一种重烷基酚的回收再利用方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2290603A (en) * | 1939-12-27 | 1942-07-21 | Gulf Research Development Co | Recovery of phenols and olefins |
US2297588A (en) * | 1942-03-07 | 1942-09-29 | Gulf Research Development Co | Separation of phenols and alkylated products thereof |
FR1035779A (fr) * | 1950-04-11 | 1953-08-31 | Ici Ltd | Production de phénols |
FR1346865A (fr) * | 1963-02-12 | 1963-12-20 | Ruetgerswerke Ag | Procédé pour transalcoyler des butyl tert. polyphénols |
FR1553478A (fr) * | 1967-02-15 | 1969-01-10 | ||
DE1960747A1 (de) * | 1968-12-04 | 1970-07-02 | Hodogaya Chemical Co Ltd | Verfahren zur Herstellung von m-Alkylphenolen |
FR2132306A1 (fr) * | 1971-04-02 | 1972-11-17 | Coalite Chemical Product |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2366497A (en) * | 1943-02-08 | 1945-01-02 | Standard Oil Dev Co | Dealkylation of alkylated phenols |
US2497971A (en) * | 1944-06-19 | 1950-02-21 | Ici Ltd | Separation of phenols |
US3465048A (en) * | 1966-03-08 | 1969-09-02 | Sumitomo Chemical Co | Method for preparing 2,6-xylenol |
JPS5145547B2 (fr) * | 1973-06-08 | 1976-12-04 |
-
1975
- 1975-12-05 DE DE2554702A patent/DE2554702C3/de not_active Expired
-
1976
- 1976-11-22 US US05/744,211 patent/US4150243A/en not_active Expired - Lifetime
- 1976-12-02 GB GB50302/76A patent/GB1499288A/en not_active Expired
- 1976-12-02 NL NLAANVRAGE7613449,A patent/NL183940C/xx not_active IP Right Cessation
- 1976-12-03 JP JP51144839A patent/JPS5819650B2/ja not_active Expired
- 1976-12-03 BE BE2055506A patent/BE849025A/fr not_active IP Right Cessation
- 1976-12-03 FR FR7636609A patent/FR2333766A1/fr active Granted
- 1976-12-03 IT IT52456/76A patent/IT1066787B/it active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2290603A (en) * | 1939-12-27 | 1942-07-21 | Gulf Research Development Co | Recovery of phenols and olefins |
US2297588A (en) * | 1942-03-07 | 1942-09-29 | Gulf Research Development Co | Separation of phenols and alkylated products thereof |
FR1035779A (fr) * | 1950-04-11 | 1953-08-31 | Ici Ltd | Production de phénols |
FR1346865A (fr) * | 1963-02-12 | 1963-12-20 | Ruetgerswerke Ag | Procédé pour transalcoyler des butyl tert. polyphénols |
FR1553478A (fr) * | 1967-02-15 | 1969-01-10 | ||
DE1960747A1 (de) * | 1968-12-04 | 1970-07-02 | Hodogaya Chemical Co Ltd | Verfahren zur Herstellung von m-Alkylphenolen |
FR2132306A1 (fr) * | 1971-04-02 | 1972-11-17 | Coalite Chemical Product |
Also Published As
Publication number | Publication date |
---|---|
GB1499288A (en) | 1978-01-25 |
NL183940C (nl) | 1989-03-01 |
DE2554702C3 (de) | 1980-09-11 |
NL183940B (nl) | 1988-10-03 |
FR2333766B1 (fr) | 1983-02-04 |
DE2554702A1 (de) | 1977-06-08 |
JPS5271422A (en) | 1977-06-14 |
DE2554702B2 (de) | 1980-01-10 |
NL7613449A (nl) | 1977-06-07 |
JPS5819650B2 (ja) | 1983-04-19 |
US4150243A (en) | 1979-04-17 |
IT1066787B (it) | 1985-03-12 |
BE849025A (fr) | 1977-06-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |