GB1490327A - Methylation of phenolic compounds - Google Patents
Methylation of phenolic compoundsInfo
- Publication number
- GB1490327A GB1490327A GB25212/76A GB2521276A GB1490327A GB 1490327 A GB1490327 A GB 1490327A GB 25212/76 A GB25212/76 A GB 25212/76A GB 2521276 A GB2521276 A GB 2521276A GB 1490327 A GB1490327 A GB 1490327A
- Authority
- GB
- United Kingdom
- Prior art keywords
- methylation
- phenolic compounds
- cresol
- liquid phase
- trimethylphenol
- 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
- C07C37/11—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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/607,733 US4022843A (en) | 1975-08-25 | 1975-08-25 | Liquid phase methylation of ortho cresol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1490327A true GB1490327A (en) | 1977-11-02 |
Family
ID=24433499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB25212/76A Expired GB1490327A (en) | 1975-08-25 | 1976-06-17 | Methylation of phenolic compounds |
Country Status (6)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61197613A (ja) * | 1985-02-28 | 1986-09-01 | Mitsubishi Rayon Co Ltd | 耐熱性共重合体の製造方法 |
| US6897175B2 (en) * | 2001-10-09 | 2005-05-24 | General Electric | Catalyst and method for the alkylation of hydroxyaromatic compounds |
| US7081432B2 (en) * | 2003-07-10 | 2006-07-25 | General Electric Company | Alkylation catalyst and method for making alkylated phenols |
| US7087705B2 (en) * | 2004-03-31 | 2006-08-08 | General Electric Company | Process for the monoalkylation of dihydroxy aromatic compounds |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB717588A (en) * | 1951-10-01 | 1954-10-27 | Ici Ltd | Improvements in and relating to the production of 2,6-xylenol |
| DE1265755B (de) * | 1965-07-23 | 1968-04-11 | Chemisches Werk Lowi | Verfahren zur Kernmethylierung von Phenolen |
| US3426358A (en) * | 1965-11-19 | 1969-02-04 | Hooker Chemical Corp | Alkylation of phenols |
| US3624163A (en) * | 1968-02-12 | 1971-11-30 | Consolidation Coal Co | Process for the preparation of meta-, para-cresol mixtures with high meta to para ratio |
| US3716589A (en) * | 1968-11-27 | 1973-02-13 | Agency Ind Science Techn | Process for the synthesis of 2,6-dimethylphenols |
| US3737466A (en) * | 1969-10-20 | 1973-06-05 | Coal Tar Research Asso | Production of cresols |
| US3707569A (en) * | 1970-07-22 | 1972-12-26 | Gen Electric | Alkylation process |
-
1975
- 1975-08-25 US US05/607,733 patent/US4022843A/en not_active Expired - Lifetime
-
1976
- 1976-03-11 CA CA247,733A patent/CA1077063A/en not_active Expired
- 1976-03-22 DE DE2612075A patent/DE2612075C2/de not_active Expired
- 1976-04-22 CH CH505876A patent/CH609023A5/xx not_active IP Right Cessation
- 1976-06-17 GB GB25212/76A patent/GB1490327A/en not_active Expired
- 1976-08-18 JP JP51097825A patent/JPS5239635A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2612075C2 (de) | 1984-12-20 |
| JPS5239635A (en) | 1977-03-28 |
| CH609023A5 (US20090192370A1-20090730-C00001.png) | 1979-02-15 |
| CA1077063A (en) | 1980-05-06 |
| US4022843A (en) | 1977-05-10 |
| DE2612075A1 (de) | 1977-03-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |