IT983504B - Procedimento per la preparazione di monometil tereftalato oppure di una sua miscela con acido b.toluico - Google Patents
Procedimento per la preparazione di monometil tereftalato oppure di una sua miscela con acido b.toluicoInfo
- Publication number
- IT983504B IT983504B IT21279/73A IT2127973A IT983504B IT 983504 B IT983504 B IT 983504B IT 21279/73 A IT21279/73 A IT 21279/73A IT 2127973 A IT2127973 A IT 2127973A IT 983504 B IT983504 B IT 983504B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- mixture
- preparation
- toluic acid
- monomethyl terephthalate
- Prior art date
Links
- REIDAMBAPLIATC-UHFFFAOYSA-M 4-methoxycarbonylbenzoate Chemical compound COC(=O)C1=CC=C(C([O-])=O)C=C1 REIDAMBAPLIATC-UHFFFAOYSA-M 0.000 title 1
- 239000000203 mixture Substances 0.000 title 1
- ZWLPBLYKEWSWPD-UHFFFAOYSA-N o-toluic acid Chemical compound CC1=CC=CC=C1C(O)=O ZWLPBLYKEWSWPD-UHFFFAOYSA-N 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
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/39—Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2343672A JPS5640141B2 (enExample) | 1972-03-07 | 1972-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT983504B true IT983504B (it) | 1974-11-11 |
Family
ID=12110437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT21279/73A IT983504B (it) | 1972-03-07 | 1973-03-07 | Procedimento per la preparazione di monometil tereftalato oppure di una sua miscela con acido b.toluico |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3890374A (enExample) |
| JP (1) | JPS5640141B2 (enExample) |
| CA (1) | CA1000720A (enExample) |
| FR (1) | FR2177794B1 (enExample) |
| GB (1) | GB1423042A (enExample) |
| IT (1) | IT983504B (enExample) |
| NL (1) | NL7303195A (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100427298B1 (ko) * | 2001-03-31 | 2004-04-17 | 한국화학연구원 | 알킬방향족 화합물의 액상산화에 의한 방향족카르복시산의 제조방법 |
| JPS5095176A (enExample) * | 1973-12-26 | 1975-07-29 | ||
| US4609634A (en) * | 1980-03-31 | 1986-09-02 | American Hoechst Corporation | High efficiency extraction method for recovering oxidation catalyst material from dimethyl terephthalate esterified oxidate residue and the like |
| US4398037A (en) * | 1981-11-09 | 1983-08-09 | Hercofina | Process for producing aromatic carboxylic acids and methyl esters thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2880237A (en) * | 1957-05-20 | 1959-03-31 | Standard Oil Co | Process for production of aromatic polycarboxylic acids |
| US3060222A (en) * | 1958-12-23 | 1962-10-23 | Basf Ag | Production of dialkyl esters of iso-and/or terephthalic acid |
-
1972
- 1972-03-07 JP JP2343672A patent/JPS5640141B2/ja not_active Expired
-
1973
- 1973-03-06 CA CA165,320A patent/CA1000720A/en not_active Expired
- 1973-03-06 US US338421A patent/US3890374A/en not_active Expired - Lifetime
- 1973-03-07 NL NL7303195A patent/NL7303195A/xx unknown
- 1973-03-07 GB GB1112873A patent/GB1423042A/en not_active Expired
- 1973-03-07 FR FR7308170A patent/FR2177794B1/fr not_active Expired
- 1973-03-07 IT IT21279/73A patent/IT983504B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2311209A1 (de) | 1973-09-13 |
| DE2311209B2 (de) | 1976-08-19 |
| JPS5640141B2 (enExample) | 1981-09-18 |
| CA1000720A (en) | 1976-11-30 |
| NL7303195A (enExample) | 1973-09-11 |
| US3890374A (en) | 1975-06-17 |
| FR2177794B1 (enExample) | 1977-02-04 |
| GB1423042A (en) | 1976-01-28 |
| JPS4896542A (enExample) | 1973-12-10 |
| FR2177794A1 (enExample) | 1973-11-09 |
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