FR2365550A1 - Procede de preparation d'acides carboxyliques aromatiques et de leurs esters methyliques - Google Patents
Procede de preparation d'acides carboxyliques aromatiques et de leurs esters methyliquesInfo
- Publication number
- FR2365550A1 FR2365550A1 FR7728896A FR7728896A FR2365550A1 FR 2365550 A1 FR2365550 A1 FR 2365550A1 FR 7728896 A FR7728896 A FR 7728896A FR 7728896 A FR7728896 A FR 7728896A FR 2365550 A1 FR2365550 A1 FR 2365550A1
- Authority
- FR
- France
- Prior art keywords
- prodn
- aromatic
- xylene
- distn
- residue
- 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.)
- Withdrawn
Links
- 150000004702 methyl esters Chemical class 0.000 title abstract 5
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 title abstract 3
- 125000003118 aryl group Chemical group 0.000 title abstract 2
- 239000007791 liquid phase Substances 0.000 title abstract 2
- 238000005984 hydrogenation reaction Methods 0.000 title 1
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 abstract 8
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 abstract 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract 3
- QSSJZLPUHJDYKF-UHFFFAOYSA-N methyl 4-methylbenzoate Chemical compound COC(=O)C1=CC=C(C)C=C1 QSSJZLPUHJDYKF-UHFFFAOYSA-N 0.000 abstract 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 abstract 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 2
- LPNBBFKOUUSUDB-UHFFFAOYSA-N p-toluic acid Chemical compound CC1=CC=C(C(O)=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-N 0.000 abstract 2
- REIDAMBAPLIATC-UHFFFAOYSA-M 4-methoxycarbonylbenzoate Chemical compound COC(=O)C1=CC=C(C([O-])=O)C=C1 REIDAMBAPLIATC-UHFFFAOYSA-M 0.000 abstract 1
- 239000005711 Benzoic acid Substances 0.000 abstract 1
- -1 aromatic carboxylic acids Chemical class 0.000 abstract 1
- 235000010233 benzoic acid Nutrition 0.000 abstract 1
- 230000032050 esterification Effects 0.000 abstract 1
- 238000005886 esterification reaction Methods 0.000 abstract 1
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 abstract 1
- 229910001385 heavy metal Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000002243 precursor Substances 0.000 abstract 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11360776A JPS5344534A (en) | 1976-09-24 | 1976-09-24 | Treating method of side reaction products with high boiling point |
| JP574877A JPS5392724A (en) | 1977-01-24 | 1977-01-24 | Method of recovering dimethyl terephthalate and intermediate thereof |
| JP574977A JPS5392725A (en) | 1977-01-24 | 1977-01-24 | Method of treating high boiling point secondary product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2365550A1 true FR2365550A1 (fr) | 1978-04-21 |
Family
ID=27276873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7728896A Withdrawn FR2365550A1 (fr) | 1976-09-24 | 1977-09-26 | Procede de preparation d'acides carboxyliques aromatiques et de leurs esters methyliques |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2743004A1 (nl) |
| FR (1) | FR2365550A1 (nl) |
| IT (1) | IT1086499B (nl) |
| NL (1) | NL7710388A (nl) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0018433A1 (en) * | 1979-05-02 | 1980-11-12 | Teijin Hercules Chemical Co., Ltd. | Process for producing aromatic carboxylic acids and methyl esters thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7903876A (nl) * | 1979-05-17 | 1980-11-19 | Stamicarbon | Werkwijze voor het bereiden van een zuiver alkali- metaalbenzoaat naast benzylalcohol. |
| JPS58116439A (ja) * | 1981-12-28 | 1983-07-11 | Mitsubishi Gas Chem Co Inc | 高純度芳香族ポリカルボン酸の製造法 |
-
1977
- 1977-09-22 NL NL7710388A patent/NL7710388A/nl not_active Application Discontinuation
- 1977-09-22 IT IT2785077A patent/IT1086499B/it active
- 1977-09-23 DE DE19772743004 patent/DE2743004A1/de active Pending
- 1977-09-26 FR FR7728896A patent/FR2365550A1/fr not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0018433A1 (en) * | 1979-05-02 | 1980-11-12 | Teijin Hercules Chemical Co., Ltd. | Process for producing aromatic carboxylic acids and methyl esters thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2743004A1 (de) | 1978-04-06 |
| IT1086499B (it) | 1985-05-28 |
| NL7710388A (nl) | 1978-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |