GB1289973A - - Google Patents
Info
- Publication number
- GB1289973A GB1289973A GB1289973DA GB1289973A GB 1289973 A GB1289973 A GB 1289973A GB 1289973D A GB1289973D A GB 1289973DA GB 1289973 A GB1289973 A GB 1289973A
- Authority
- GB
- United Kingdom
- Prior art keywords
- preparation
- xylenol
- acid sites
- vapourphase
- xylenols
- 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)
Abstract
1289973 Preparation of 2,6-xylenols CONSOLIDATION COAL CO 12 Dec 1969 [24 Feb 1969] 60680/69 Addition to 1230024 Heading C2C A process for the preparation of 2,6-xylenol comprises reacting methanol in the vapourphase with phenol or o-cresol or a mixture thereof at a temperature between 275‹ and 350‹ C. over an activated alumina catalyst that contains strong acid sites at least one half of the said acid sites being equivalent in acid strength to at least 71% H 2 SO 4 and recovering 2,6-xylenol from the reaction product.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80171369A | 1969-02-24 | 1969-02-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1289973A true GB1289973A (en) | 1972-09-20 |
Family
ID=25181865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1289973D Expired GB1289973A (en) | 1969-02-24 | 1969-12-12 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE739339A (en) |
DE (1) | DE2000430A1 (en) |
GB (1) | GB1289973A (en) |
NL (1) | NL6914508A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6593501B2 (en) | 2000-09-18 | 2003-07-15 | Asahi Kasei Kabushiki Kaisha | Process for the preparation of 2,6-xylenol |
-
1969
- 1969-09-24 NL NL6914508A patent/NL6914508A/xx unknown
- 1969-09-24 BE BE739339D patent/BE739339A/xx unknown
- 1969-12-12 GB GB1289973D patent/GB1289973A/en not_active Expired
-
1970
- 1970-01-07 DE DE19702000430 patent/DE2000430A1/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6593501B2 (en) | 2000-09-18 | 2003-07-15 | Asahi Kasei Kabushiki Kaisha | Process for the preparation of 2,6-xylenol |
Also Published As
Publication number | Publication date |
---|---|
BE739339A (en) | 1970-03-24 |
DE2000430A1 (en) | 1970-09-17 |
NL6914508A (en) | 1970-08-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |