GB961061A - Method for the oxidation of toluene - Google Patents
Method for the oxidation of tolueneInfo
- Publication number
- GB961061A GB961061A GB4205761A GB4205761A GB961061A GB 961061 A GB961061 A GB 961061A GB 4205761 A GB4205761 A GB 4205761A GB 4205761 A GB4205761 A GB 4205761A GB 961061 A GB961061 A GB 961061A
- Authority
- GB
- United Kingdom
- Prior art keywords
- toluene
- mixture
- added
- aliphatic
- hydrocarbon
- 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
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
- C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
Abstract
Benzoic acid is made by oxidation of toluene by means of air in the liquid phase in the presence of a catalyst wherein an aliphatic and/or alicyclic hydrocarbon, or a mixture of aliphatic and/or alicyclic hydrocarbons is/are added to the toluene to be oxidized. Preferably the hydrocarbon or mixture of hydrocarbons has a boiling point or range of boiling points between 100 DEG and 120 DEG C. and less than 10% by weight based on the toluene of hydrocarbon is added. In an example, there is added to toluene 2% of methylcyclohexane and 2% of a mixture of aliphatic hydrocarbons boiling in the range 105 DEG to 115 DEG C., and the toluene is oxidized with air at 150 DEG C. and 6 atm. in the presence of cobalt naphthenate to form benzoic acid.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL41761 | 1961-05-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB961061A true GB961061A (en) | 1964-06-17 |
Family
ID=19935996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4205761A Expired GB961061A (en) | 1961-05-03 | 1961-11-24 | Method for the oxidation of toluene |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1215683B (en) |
| GB (1) | GB961061A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3467698A (en) * | 1965-10-21 | 1969-09-16 | Gulf Research Development Co | Oxidation of alkyl aromatic compounds to aromatic carboxylic acids |
-
1961
- 1961-11-24 GB GB4205761A patent/GB961061A/en not_active Expired
- 1961-11-27 DE DEJ20900A patent/DE1215683B/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3467698A (en) * | 1965-10-21 | 1969-09-16 | Gulf Research Development Co | Oxidation of alkyl aromatic compounds to aromatic carboxylic acids |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1215683B (en) | 1966-05-05 |
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