ZA724515B - A process for the manufacture of terephthalic acid,isophthalic acid,their monomethyl esters by oxidation of p-xylol,m-xylol or the corresponding toluilic acid methyl esters - Google Patents
A process for the manufacture of terephthalic acid,isophthalic acid,their monomethyl esters by oxidation of p-xylol,m-xylol or the corresponding toluilic acid methyl estersInfo
- Publication number
- ZA724515B ZA724515B ZA724515A ZA724515A ZA724515B ZA 724515 B ZA724515 B ZA 724515B ZA 724515 A ZA724515 A ZA 724515A ZA 724515 A ZA724515 A ZA 724515A ZA 724515 B ZA724515 B ZA 724515B
- Authority
- ZA
- South Africa
- Prior art keywords
- xylol
- acid
- esters
- oxidation
- manufacture
- Prior art date
Links
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 title 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 title 2
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical compound CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 title 1
- 239000002253 acid Substances 0.000 title 1
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical compound CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 150000004702 methyl esters Chemical class 0.000 title 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 title 1
- 230000003647 oxidation Effects 0.000 title 1
- 238000007254 oxidation reaction Methods 0.000 title 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712132910 DE2132910A1 (de) | 1971-07-02 | 1971-07-02 | Verfahren zur herstellung von terephthalsaeure durch oxydation von p-xylol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA724515B true ZA724515B (en) | 1973-05-30 |
Family
ID=5812465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA724515A ZA724515B (en) | 1971-07-02 | 1972-06-30 | A process for the manufacture of terephthalic acid,isophthalic acid,their monomethyl esters by oxidation of p-xylol,m-xylol or the corresponding toluilic acid methyl esters |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT314507B (de) |
| BR (1) | BR7204312D0 (de) |
| DE (1) | DE2132910A1 (de) |
| ZA (1) | ZA724515B (de) |
-
1971
- 1971-07-02 DE DE19712132910 patent/DE2132910A1/de active Pending
- 1971-08-04 AT AT683171A patent/AT314507B/de not_active IP Right Cessation
-
1972
- 1972-06-30 ZA ZA724515A patent/ZA724515B/xx unknown
- 1972-06-30 BR BR4312/72A patent/BR7204312D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR7204312D0 (pt) | 1973-06-14 |
| DE2132910A1 (de) | 1973-01-18 |
| AT314507B (de) | 1974-04-10 |
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