DE2161252C3 - Verfahren zur Ortho-Methylierung von Phenolen - Google Patents
Verfahren zur Ortho-Methylierung von PhenolenInfo
- Publication number
- DE2161252C3 DE2161252C3 DE2161252A DE2161252A DE2161252C3 DE 2161252 C3 DE2161252 C3 DE 2161252C3 DE 2161252 A DE2161252 A DE 2161252A DE 2161252 A DE2161252 A DE 2161252A DE 2161252 C3 DE2161252 C3 DE 2161252C3
- Authority
- DE
- Germany
- Prior art keywords
- catalyst
- phenol
- reaction
- iron
- oxide
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/847—Vanadium, niobium or tantalum or polonium
- B01J23/8472—Vanadium
-
- 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
- C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
- C07C37/16—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms by condensation involving hydroxy groups of phenols or alcohols or the ether or mineral ester group derived therefrom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10938570 | 1970-12-11 | ||
| JP11249170 | 1970-12-17 | ||
| JP11249070 | 1970-12-17 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2161252A1 DE2161252A1 (de) | 1972-06-29 |
| DE2161252B2 DE2161252B2 (de) | 1974-02-21 |
| DE2161252C3 true DE2161252C3 (de) | 1974-10-03 |
Family
ID=27311459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2161252A Expired DE2161252C3 (de) | 1970-12-11 | 1971-12-10 | Verfahren zur Ortho-Methylierung von Phenolen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3855318A (enExample) |
| DE (1) | DE2161252C3 (enExample) |
| FR (1) | FR2117674A5 (enExample) |
| GB (2) | GB1378179A (enExample) |
| IT (1) | IT943869B (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3971832A (en) * | 1970-07-17 | 1976-07-27 | Mitsubishi Petrochemical Company Limited | Process for producing ortho-methylphenols |
| DE2756461C2 (de) * | 1977-12-17 | 1984-10-31 | Rütgerswerke AG, 6000 Frankfurt | Verfahren zur Herstellung von Mono-o-alkylphenolen |
| US4329517A (en) * | 1979-05-16 | 1982-05-11 | Mitsui Petrochemical Industries Ltd. | Process for production of mono- or di-ortho-methyl-substituted phenols by catalytic methylation and catalyst therefor |
| JPS5663932A (en) * | 1979-10-29 | 1981-05-30 | Mitsui Toatsu Chem Inc | Preparation of selectively ortho-alkylated phenol compound |
| DE3103665C2 (de) * | 1981-02-04 | 1983-10-13 | Union Rheinische Braunkohlen Kraftstoff AG, 5000 Köln | Verfahren zur o-Methylierung von Phenolen und Katalysator zur Durchführung des Verfahrens |
| US4517389A (en) * | 1982-08-10 | 1985-05-14 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for methylating the ortho position of a phenol |
| KR960003790B1 (ko) * | 1992-12-31 | 1996-03-22 | 한국과학기술원 | 신규한 변형 마그네슘 옥사이드 촉매 조성물 및 그의 제조방법 |
| JP4294209B2 (ja) * | 2000-09-18 | 2009-07-08 | 旭化成ケミカルズ株式会社 | オルト位アルキル化ヒドロキシ芳香族化合物の製造方法 |
| AU2003260344A1 (en) * | 2002-08-02 | 2004-02-25 | Vanetta S.P.A. | Redox process particularly for the production of menadione and use of polyoxometalates |
| DE102011005228A1 (de) | 2011-03-08 | 2012-09-13 | Elantas Gmbh | Verfahren zur Herstellung von alkylierten Hydroxyaromaten in Mikroreaktoren |
| CN118949985A (zh) * | 2024-07-26 | 2024-11-15 | 天津大学 | 一种铁氧化物催化剂、酚和甲醇甲基化制备2,6-二甲酚联产邻甲酚催化剂的方法和应用 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2091483A (en) * | 1934-11-02 | 1937-08-31 | Sharples Solvents Corp | Manufacture of secondary and tertiary alkyl phenols |
| US2435087A (en) * | 1943-03-19 | 1948-01-27 | Shell Dev | Process for the separation of mixtures of alkyl phenols through selective alkylation |
| US2910515A (en) * | 1958-10-24 | 1959-10-27 | Universal Oil Prod Co | Alkylation of aromatic compounds |
| NL264320A (enExample) * | 1960-05-04 | |||
| US3479410A (en) * | 1967-05-18 | 1969-11-18 | Gen Electric | Selective vapor phase methylation of phenols |
| US3642912A (en) * | 1967-12-11 | 1972-02-15 | Coal Tar Research Ass The | Alkylation of phenols |
-
1971
- 1971-12-10 FR FR7144551A patent/FR2117674A5/fr not_active Expired
- 1971-12-10 GB GB5739271A patent/GB1378179A/en not_active Expired
- 1971-12-10 DE DE2161252A patent/DE2161252C3/de not_active Expired
- 1971-12-10 GB GB77674A patent/GB1378180A/en not_active Expired
- 1971-12-11 IT IT32287/71A patent/IT943869B/it active
- 1971-12-13 US US00207546A patent/US3855318A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3855318A (en) | 1974-12-17 |
| DE2161252B2 (de) | 1974-02-21 |
| IT943869B (it) | 1973-04-10 |
| DE2161252A1 (de) | 1972-06-29 |
| FR2117674A5 (enExample) | 1972-07-21 |
| GB1378179A (en) | 1974-12-27 |
| GB1378180A (en) | 1974-12-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |