GB1494823A - Process for the production of 2-aryl-2h-benzotriazoles - Google Patents
Process for the production of 2-aryl-2h-benzotriazolesInfo
- Publication number
- GB1494823A GB1494823A GB1968576A GB1968576A GB1494823A GB 1494823 A GB1494823 A GB 1494823A GB 1968576 A GB1968576 A GB 1968576A GB 1968576 A GB1968576 A GB 1968576A GB 1494823 A GB1494823 A GB 1494823A
- Authority
- GB
- United Kingdom
- Prior art keywords
- benzotriazoles
- aryl
- nitroazobenzene
- production
- hydrogenating
- 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
- 238000000034 method Methods 0.000 title abstract 2
- DSZOTMKIKJOOPG-UHFFFAOYSA-N (2-nitrophenyl)-phenyldiazene Chemical compound [O-][N+](=O)C1=CC=CC=C1N=NC1=CC=CC=C1 DSZOTMKIKJOOPG-UHFFFAOYSA-N 0.000 abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 239000006096 absorbing agent Substances 0.000 abstract 1
- 150000001412 amines Chemical class 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 238000005984 hydrogenation reaction Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910000510 noble metal Inorganic materials 0.000 abstract 1
- 230000000737 periodic effect Effects 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
- C07D249/16—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms condensed with carbocyclic rings or ring systems
- C07D249/18—Benzotriazoles
- C07D249/20—Benzotriazoles with aryl radicals directly attached in position 2
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (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 |
|---|---|---|---|
| US57738575A | 1975-05-14 | 1975-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1494823A true GB1494823A (en) | 1977-12-14 |
Family
ID=24308480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1968576A Expired GB1494823A (en) | 1975-05-14 | 1976-05-13 | Process for the production of 2-aryl-2h-benzotriazoles |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS6036431B2 (enExample) |
| BE (1) | BE841770A (enExample) |
| BR (1) | BR7603021A (enExample) |
| CH (1) | CH615427A5 (enExample) |
| DE (1) | DE2620970A1 (enExample) |
| FR (1) | FR2311012A1 (enExample) |
| GB (1) | GB1494823A (enExample) |
| NL (1) | NL7605207A (enExample) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4668235A (en) * | 1982-12-07 | 1987-05-26 | The Commonwealth Of Australia Commonwealth Scientific & Industrial Research Organization | Use of substituted 2-(2-hydroxyaryl)-2H-benzotriazolesulfonates as photostabilizing agents for natural synthetic fibres |
| US4999433A (en) * | 1988-09-28 | 1991-03-12 | Ciba-Geigy Corporation | Process for the preparation of benzotriazole derivatives |
| EP0419412A3 (en) * | 1989-09-20 | 1991-05-15 | Ciba-Geigy Ag | Process for the preparation of benzotriazoles |
| EP0423070B1 (de) * | 1989-10-12 | 1995-08-30 | Ciba-Geigy Ag | Verfahren zur Herstellung substituierter Phenole |
| CN110396070A (zh) * | 2019-09-11 | 2019-11-01 | 广东工业大学 | 一种苯并三氮唑类紫外吸收剂的制备方法 |
| CN111282592A (zh) * | 2019-11-29 | 2020-06-16 | 浙江工业大学 | 炭载碱性离子液体-金属催化剂及其制备和在催化转移加氢反应中的应用 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6471862A (en) * | 1987-09-11 | 1989-03-16 | Chemipro Kasei Kaisha Ltd | Production of 2-phenylbenzotriazole |
| US5675015A (en) * | 1996-03-07 | 1997-10-07 | Eastman Kodak Company | Process for the preparation of benzotriazole derivatives |
| WO2004099285A2 (en) * | 2003-05-05 | 2004-11-18 | Ciba Specialty Chemicals Holding Inc. | Novel polymers comprising benzotriazole for use in optical devices |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH529815A (de) * | 1970-06-19 | 1972-10-31 | Ciba Geigy Ag | Verwendung von 2-(2'Hydroxyphenyl)-benztriazolverbindungen als Lichtschutzmittel |
| US3978074A (en) * | 1973-11-21 | 1976-08-31 | Uniroyal Inc. | Method of making hydroxyarylbenzotriazoles and their N-oxides |
-
1976
- 1976-05-12 DE DE19762620970 patent/DE2620970A1/de active Granted
- 1976-05-12 CH CH593876A patent/CH615427A5/de not_active IP Right Cessation
- 1976-05-13 FR FR7614393A patent/FR2311012A1/fr active Granted
- 1976-05-13 BR BR7603021A patent/BR7603021A/pt unknown
- 1976-05-13 BE BE166975A patent/BE841770A/xx not_active IP Right Cessation
- 1976-05-13 GB GB1968576A patent/GB1494823A/en not_active Expired
- 1976-05-14 NL NL7605207A patent/NL7605207A/xx not_active Application Discontinuation
- 1976-05-14 JP JP5519776A patent/JPS6036431B2/ja not_active Expired
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4668235A (en) * | 1982-12-07 | 1987-05-26 | The Commonwealth Of Australia Commonwealth Scientific & Industrial Research Organization | Use of substituted 2-(2-hydroxyaryl)-2H-benzotriazolesulfonates as photostabilizing agents for natural synthetic fibres |
| US4999433A (en) * | 1988-09-28 | 1991-03-12 | Ciba-Geigy Corporation | Process for the preparation of benzotriazole derivatives |
| EP0419412A3 (en) * | 1989-09-20 | 1991-05-15 | Ciba-Geigy Ag | Process for the preparation of benzotriazoles |
| US5276161A (en) * | 1989-09-20 | 1994-01-04 | Ciba-Geigy Corporation | Process for the preparation of benzotriazoles |
| EP0423070B1 (de) * | 1989-10-12 | 1995-08-30 | Ciba-Geigy Ag | Verfahren zur Herstellung substituierter Phenole |
| CN110396070A (zh) * | 2019-09-11 | 2019-11-01 | 广东工业大学 | 一种苯并三氮唑类紫外吸收剂的制备方法 |
| CN111282592A (zh) * | 2019-11-29 | 2020-06-16 | 浙江工业大学 | 炭载碱性离子液体-金属催化剂及其制备和在催化转移加氢反应中的应用 |
| CN111282592B (zh) * | 2019-11-29 | 2023-07-21 | 浙江工业大学 | 炭载碱性离子液体-金属催化剂及其制备和在催化转移加氢反应中的应用 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2620970C2 (enExample) | 1989-06-29 |
| FR2311012A1 (fr) | 1976-12-10 |
| DE2620970A1 (de) | 1976-11-25 |
| JPS6036431B2 (ja) | 1985-08-20 |
| BR7603021A (pt) | 1977-05-31 |
| CH615427A5 (en) | 1980-01-31 |
| NL7605207A (nl) | 1976-11-16 |
| JPS51138678A (en) | 1976-11-30 |
| BE841770A (fr) | 1976-11-16 |
| FR2311012B1 (enExample) | 1978-05-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19950513 |