ATA482774A - Verfahren zur gewinnung von dimethylterephthalat und dessen zwischenprodukten sowie di- und trimethylestern von diphenyldi- und -tricarbonsauren - Google Patents
Verfahren zur gewinnung von dimethylterephthalat und dessen zwischenprodukten sowie di- und trimethylestern von diphenyldi- und -tricarbonsaurenInfo
- Publication number
- ATA482774A ATA482774A AT482774A AT482774A ATA482774A AT A482774 A ATA482774 A AT A482774A AT 482774 A AT482774 A AT 482774A AT 482774 A AT482774 A AT 482774A AT A482774 A ATA482774 A AT A482774A
- Authority
- AT
- Austria
- Prior art keywords
- trimethylesters
- diphenyldi
- dimethylterephthalate
- intermediates
- obtaining
- Prior art date
Links
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 title 2
- 239000002253 acid Substances 0.000 title 1
- 150000007513 acids Chemical class 0.000 title 1
- 239000000543 intermediate Substances 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
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/313—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by introduction of doubly bound oxygen containing functional groups, e.g. carboxyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT482774A AT333728B (de) | 1974-06-11 | 1974-06-11 | Verfahren zur gewinnung von dimethylterephthalat und dessen zwischenprodukten sowie di- und trimethylestern von diphenyldi- und -tricarbonsauren |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT482774A AT333728B (de) | 1974-06-11 | 1974-06-11 | Verfahren zur gewinnung von dimethylterephthalat und dessen zwischenprodukten sowie di- und trimethylestern von diphenyldi- und -tricarbonsauren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA482774A true ATA482774A (de) | 1976-04-15 |
| AT333728B AT333728B (de) | 1976-12-10 |
Family
ID=3568815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT482774A AT333728B (de) | 1974-06-11 | 1974-06-11 | Verfahren zur gewinnung von dimethylterephthalat und dessen zwischenprodukten sowie di- und trimethylestern von diphenyldi- und -tricarbonsauren |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT333728B (de) |
-
1974
- 1974-06-11 AT AT482774A patent/AT333728B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AT333728B (de) | 1976-12-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |