GB1439838A - Process for the preparation of diphenylamine and substituted derivatives thereof - Google Patents
Process for the preparation of diphenylamine and substituted derivatives thereofInfo
- Publication number
- GB1439838A GB1439838A GB3344773A GB3344773A GB1439838A GB 1439838 A GB1439838 A GB 1439838A GB 3344773 A GB3344773 A GB 3344773A GB 3344773 A GB3344773 A GB 3344773A GB 1439838 A GB1439838 A GB 1439838A
- Authority
- GB
- United Kingdom
- Prior art keywords
- substituted derivatives
- diphenylamine
- preparation
- diphenylamines
- titanium
- 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
Links
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 title abstract 4
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 abstract 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 abstract 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 1
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052794 bromium Inorganic materials 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 125000001424 substituent group Chemical group 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
- 239000010936 titanium Substances 0.000 abstract 1
- 150000003609 titanium compounds Chemical class 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/64—Preparation of compounds containing amino groups bound to a carbon skeleton by disproportionation
-
- 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
- Y02P20/584—Recycling of catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1439838 Diphenylamines IMPERIAL CHEMICAL INDUSTRIES Ltd 11 Oct 1974 [13 July 1973] 33447/73 Heading C2C Diphenylamines and substituted derivatives thereof are prepared by passing in vapour form aniline, optionally substituted in the nucleus by not more than three substituents selected from C 1 to C 4 alkyl, chlorine and bromine, at from 300 to 600 C. over an alumina catalyst into which titanium has been incorporated by treatment with a titanium compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3344773A GB1439838A (en) | 1973-07-13 | 1973-07-13 | Process for the preparation of diphenylamine and substituted derivatives thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3344773A GB1439838A (en) | 1973-07-13 | 1973-07-13 | Process for the preparation of diphenylamine and substituted derivatives thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1439838A true GB1439838A (en) | 1976-06-16 |
Family
ID=10353074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3344773A Expired GB1439838A (en) | 1973-07-13 | 1973-07-13 | Process for the preparation of diphenylamine and substituted derivatives thereof |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1439838A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4454348A (en) * | 1982-10-13 | 1984-06-12 | United States Steel Corporation | Manufacture of diphenylamine |
| EP0412611A2 (en) * | 1989-08-08 | 1991-02-13 | Union Carbide Chemicals And Plastics Company, Inc. | Promoted amines catalysis |
| EP0412614A2 (en) * | 1989-08-08 | 1991-02-13 | Union Carbide Chemicals And Plastics Company, Inc. | Amines catalysis |
| US5648538A (en) * | 1994-06-29 | 1997-07-15 | Fushun Research Institute Of Petroleum And Petrochemicals | Process for preparing diarylamines from arylamines |
| CN112934246A (en) * | 2021-02-10 | 2021-06-11 | 利安隆（珠海）新材料有限公司 | Catalyst, preparation method thereof and synthesis method of diphenylamine |
-
1973
- 1973-07-13 GB GB3344773A patent/GB1439838A/en not_active Expired
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4454348A (en) * | 1982-10-13 | 1984-06-12 | United States Steel Corporation | Manufacture of diphenylamine |
| US5202489A (en) * | 1987-12-22 | 1993-04-13 | Union Carbide Chemicals & Plastics Technology Corporation | Amines catalysis |
| EP0412611A2 (en) * | 1989-08-08 | 1991-02-13 | Union Carbide Chemicals And Plastics Company, Inc. | Promoted amines catalysis |
| EP0412614A2 (en) * | 1989-08-08 | 1991-02-13 | Union Carbide Chemicals And Plastics Company, Inc. | Amines catalysis |
| EP0412614A3 (en) * | 1989-08-08 | 1991-04-03 | Union Carbide Chemicals And Plastics Company, Inc. | Amines catalysis |
| EP0412611A3 (en) * | 1989-08-08 | 1991-04-03 | Union Carbide Chemicals And Plastics Company, Inc. | Promoted amines catalysis |
| US5210306A (en) * | 1989-08-08 | 1993-05-11 | Union Carbide Chemicals & Plastics Technology Corporation | Promoted amines catalysis |
| US5648538A (en) * | 1994-06-29 | 1997-07-15 | Fushun Research Institute Of Petroleum And Petrochemicals | Process for preparing diarylamines from arylamines |
| CN112934246A (en) * | 2021-02-10 | 2021-06-11 | 利安隆（珠海）新材料有限公司 | Catalyst, preparation method thereof and synthesis method of diphenylamine |
| CN112934246B (en) * | 2021-02-10 | 2023-10-10 | 利安隆（珠海）新材料有限公司 | Catalyst, preparation method thereof and synthesis method of diphenylamine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |