ATE121715T1 - Verfahren zur herstellung von 3,3',4,4'- tetramethyldiphenylmethan. - Google Patents
Verfahren zur herstellung von 3,3',4,4'- tetramethyldiphenylmethan.Info
- Publication number
- ATE121715T1 ATE121715T1 AT92102998T AT92102998T ATE121715T1 AT E121715 T1 ATE121715 T1 AT E121715T1 AT 92102998 T AT92102998 T AT 92102998T AT 92102998 T AT92102998 T AT 92102998T AT E121715 T1 ATE121715 T1 AT E121715T1
- Authority
- AT
- Austria
- Prior art keywords
- tetramethyldiphenylmethane
- producing
- reaction
- obtainable
- xylene
- Prior art date
Links
- TWNICQBDBDUTPA-UHFFFAOYSA-N 4-[(3,4-dimethylphenyl)methyl]-1,2-dimethylbenzene Chemical compound C1=C(C)C(C)=CC=C1CC1=CC=C(C)C(C)=C1 TWNICQBDBDUTPA-UHFFFAOYSA-N 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 3
- FYOZTECTYSJBFT-UHFFFAOYSA-N 1-benzyl-2,3,4,5-tetramethylbenzene Chemical compound CC1=C(C)C(C)=CC(CC=2C=CC=CC=2)=C1C FYOZTECTYSJBFT-UHFFFAOYSA-N 0.000 abstract 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000006317 isomerization reaction Methods 0.000 abstract 1
- 229940078552 o-xylene Drugs 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000002994 raw material 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
- C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
- C07C5/22—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by isomerisation
- C07C5/27—Rearrangement of carbon atoms in the hydrocarbon skeleton
- C07C5/2729—Changing the branching point of an open chain or the point of substitution on a ring
- C07C5/2732—Catalytic processes
-
- 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
- C07C51/27—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with oxides of nitrogen or nitrogen-containing mineral acids
- C07C51/275—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with oxides of nitrogen or nitrogen-containing mineral acids of hydrocarbyl groups
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3059444A JP3008990B2 (ja) | 1991-03-01 | 1991-03-01 | ３，３’，４，４’−テトラメチルジフェニルメタンの製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE121715T1 true ATE121715T1 (de) | 1995-05-15 |
Family
ID=13113468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT92102998T ATE121715T1 (de) | 1991-03-01 | 1992-02-22 | Verfahren zur herstellung von 3,3',4,4'- tetramethyldiphenylmethan. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5254768A (de) |
| EP (1) | EP0502387B1 (de) |
| JP (1) | JP3008990B2 (de) |
| AT (1) | ATE121715T1 (de) |
| AU (1) | AU641888B2 (de) |
| DE (1) | DE69202177T2 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007116906A1 (ja) * | 2006-04-04 | 2007-10-18 | Mitsubishi Gas Chemical Company, Inc. | ５－フェニルイソフタル酸の製造方法 |
| CN101302137B (zh) * | 2008-06-27 | 2010-11-03 | 上海市合成树脂研究所 | 3,3’,4,4’-四甲基二苯基烷烃的制备方法 |
| EP3838883B1 (de) * | 2019-12-16 | 2023-07-12 | Evonik Fibres GmbH | Verfahren zur oxidation eines a 1,1-bis-(3,4-dimethylphenyl)-alkans zu 3,3',4,4'-benzophenontetracarbonsäure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4820537B1 (de) * | 1969-05-22 | 1973-06-21 | ||
| US4173573A (en) | 1978-07-03 | 1979-11-06 | Gulf Research And Development Company | Process for preparing 3,4,3,4-benzophenone-tetracarboxylic dianhydride |
| US5043512A (en) * | 1988-10-06 | 1991-08-27 | Mobil Oil Corp. | Alkylaromatic isomerization process |
| US4962260A (en) * | 1989-02-27 | 1990-10-09 | Amoco Corporation | Preparation of a dimethylnaphthalene |
| US5028573A (en) * | 1990-01-29 | 1991-07-02 | Mobil Oil Corp. | Dual function catalyst and isomerization therewith |
-
1991
- 1991-03-01 JP JP3059444A patent/JP3008990B2/ja not_active Expired - Fee Related
-
1992
- 1992-02-07 US US07/832,712 patent/US5254768A/en not_active Expired - Lifetime
- 1992-02-12 AU AU10900/92A patent/AU641888B2/en not_active Ceased
- 1992-02-22 DE DE69202177T patent/DE69202177T2/de not_active Expired - Lifetime
- 1992-02-22 AT AT92102998T patent/ATE121715T1/de not_active IP Right Cessation
- 1992-02-22 EP EP92102998A patent/EP0502387B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AU1090092A (en) | 1992-09-03 |
| EP0502387A1 (de) | 1992-09-09 |
| AU641888B2 (en) | 1993-09-30 |
| US5254768A (en) | 1993-10-19 |
| DE69202177D1 (de) | 1995-06-01 |
| JPH04275241A (ja) | 1992-09-30 |
| DE69202177T2 (de) | 1995-09-21 |
| JP3008990B2 (ja) | 2000-02-14 |
| EP0502387B1 (de) | 1995-04-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |