DE60327567D1 - Verfahren zur herstellung von 3,3',4,4'-tetraaminobiphenyl - Google Patents
Verfahren zur herstellung von 3,3',4,4'-tetraaminobiphenylInfo
- Publication number
- DE60327567D1 DE60327567D1 DE60327567T DE60327567T DE60327567D1 DE 60327567 D1 DE60327567 D1 DE 60327567D1 DE 60327567 T DE60327567 T DE 60327567T DE 60327567 T DE60327567 T DE 60327567T DE 60327567 D1 DE60327567 D1 DE 60327567D1
- Authority
- DE
- Germany
- Prior art keywords
- tetraaminobiphenyl
- preparation
- 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.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
- C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
- C07C209/36—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a catalyst
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (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 |
|---|---|---|---|
| PCT/IN2003/000403 WO2005063679A1 (en) | 2003-12-29 | 2003-12-29 | Process for the preparation of high quality 3,3',4,4'-tetraminobiphenyl |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE60327567D1 true DE60327567D1 (de) | 2009-06-18 |
Family
ID=33524009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60327567T Expired - Lifetime DE60327567D1 (de) | 2003-12-29 | 2003-12-29 | Verfahren zur herstellung von 3,3',4,4'-tetraaminobiphenyl |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6835854B1 (de) |
| EP (1) | EP1727781B1 (de) |
| JP (1) | JP4531699B2 (de) |
| AU (1) | AU2003290403A1 (de) |
| DE (1) | DE60327567D1 (de) |
| WO (1) | WO2005063679A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| UA94709C2 (ru) * | 2007-12-05 | 2011-06-10 | Шова Денко К.К. | Способ получения 3,3`,4,4` тетрааминобифенила |
| CN105111092B (zh) * | 2015-10-15 | 2017-06-30 | 响水恒利达科技化工有限公司 | 一种3,3′,4,4′‑四氨基联苯的连续制备方法 |
| CN115108918B (zh) * | 2021-03-23 | 2023-06-02 | 湖北汇达科技发展有限公司 | 一种3,3`,4,4`-四氨基联苯的制备方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2047933C3 (de) * | 1969-10-14 | 1974-01-17 | Kuraray Co., Ltd., Kurashiki, Okayama (Japan) | Verfahren zur Herstellung von aromatischen Polybenzimidazolen |
| US3865876A (en) * | 1969-10-21 | 1975-02-11 | Celanese Corp | Synthesis of 3,3{40 -diaminobenzidine from 3,3{40 -dichlorobenzidine |
| US3943175A (en) * | 1969-10-21 | 1976-03-09 | Celanese Corporation | Synthesis of pure 3,3'-diaminobenzidine |
| JPS5441847B2 (de) * | 1972-05-26 | 1979-12-11 | ||
| JPS5548504B2 (de) * | 1972-05-29 | 1980-12-06 | ||
| DE3111470C2 (de) * | 1981-03-24 | 1983-03-17 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Reinigung von rohem 3,4,3',4'-Tetraaminodiphenyl |
| JPS60158146A (ja) * | 1984-01-27 | 1985-08-19 | Wakayama Seika Kogyo Kk | ３，３’，４，４’−ビフエニルテトラミンの精製方法 |
| US5041666A (en) * | 1987-08-06 | 1991-08-20 | Hoechst Celanese Corporation | Method for the production of 3,3'4,4'-tetraaminobiphenyl |
| US5235105A (en) * | 1991-07-12 | 1993-08-10 | Hoechst Aktiengesellschaft | Process for the production of pure 3,3',4,4'-tetraamino-biphenyl |
-
2003
- 2003-12-29 EP EP03782766A patent/EP1727781B1/de not_active Expired - Lifetime
- 2003-12-29 AU AU2003290403A patent/AU2003290403A1/en not_active Abandoned
- 2003-12-29 JP JP2005512715A patent/JP4531699B2/ja not_active Expired - Fee Related
- 2003-12-29 WO PCT/IN2003/000403 patent/WO2005063679A1/en not_active Application Discontinuation
- 2003-12-29 DE DE60327567T patent/DE60327567D1/de not_active Expired - Lifetime
-
2004
- 2004-03-19 US US10/804,886 patent/US6835854B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007527848A (ja) | 2007-10-04 |
| WO2005063679A1 (en) | 2005-07-14 |
| AU2003290403A1 (en) | 2005-07-21 |
| US6835854B1 (en) | 2004-12-28 |
| JP4531699B2 (ja) | 2010-08-25 |
| EP1727781A1 (de) | 2006-12-06 |
| EP1727781B1 (de) | 2009-05-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |