DE69410786T2 - Prozess zur herstellung von ortho-hydroxy-substituierten aromatischen nitrilen durch dehydratisierung der entsprechenden aldoxime - Google Patents
Prozess zur herstellung von ortho-hydroxy-substituierten aromatischen nitrilen durch dehydratisierung der entsprechenden aldoximeInfo
- Publication number
- DE69410786T2 DE69410786T2 DE69410786T DE69410786T DE69410786T2 DE 69410786 T2 DE69410786 T2 DE 69410786T2 DE 69410786 T DE69410786 T DE 69410786T DE 69410786 T DE69410786 T DE 69410786T DE 69410786 T2 DE69410786 T2 DE 69410786T2
- Authority
- DE
- Germany
- Prior art keywords
- dehydrating
- pct
- ortho
- hydroxy
- production
- 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
- C07C253/00—Preparation of carboxylic acid nitriles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/49—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C255/53—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing cyano groups and hydroxy groups bound to the carbon skeleton
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB939303334A GB9303334D0 (en) | 1993-02-19 | 1993-02-19 | Chemical process |
| PCT/GB1994/000277 WO1994019317A1 (en) | 1993-02-19 | 1994-02-11 | Process for the preparation of ortho-hydroxy substituted aromatic nitriles via dehydration of the corresponding aldoximes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69410786D1 DE69410786D1 (de) | 1998-07-09 |
| DE69410786T2 true DE69410786T2 (de) | 1998-10-08 |
Family
ID=10730689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69410786T Expired - Lifetime DE69410786T2 (de) | 1993-02-19 | 1994-02-11 | Prozess zur herstellung von ortho-hydroxy-substituierten aromatischen nitrilen durch dehydratisierung der entsprechenden aldoxime |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US5637750A (de) |
| EP (1) | EP0686146B1 (de) |
| JP (1) | JP3549534B2 (de) |
| KR (1) | KR100293646B1 (de) |
| CN (1) | CN1037509C (de) |
| AT (1) | ATE166865T1 (de) |
| AU (1) | AU6006094A (de) |
| CA (1) | CA2154783C (de) |
| DE (1) | DE69410786T2 (de) |
| DK (1) | DK0686146T3 (de) |
| ES (1) | ES2116580T3 (de) |
| GB (1) | GB9303334D0 (de) |
| HU (1) | HU218864B (de) |
| WO (1) | WO1994019317A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4446329A1 (de) * | 1994-12-23 | 1996-06-27 | Basf Ag | Salze aromatischer Hydroxylverbindungen und deren Verwendung als Glanzbildner |
| CZ2009271A3 (cs) * | 2009-04-29 | 2010-08-04 | Univerzita Pardubice | Zpusob prípravy alkoxybenzonitrilu |
| CN101781235B (zh) * | 2010-02-09 | 2013-03-27 | 重庆紫光化工股份有限公司 | 邻羟基苯甲腈的制备方法 |
| CN106966921A (zh) * | 2017-03-29 | 2017-07-21 | 江西理工大学 | 一种特辛基水杨醛肟及其合成方法 |
| WO2020094928A1 (en) * | 2018-11-09 | 2020-05-14 | Orion Corporation | Process for the preparation of 4,5-dihydroxy-2-(4-methylbenzyl)isophthalonitrile |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1447114A (en) * | 1973-02-20 | 1976-08-25 | Glaxo Lab Ltd | Process for the preparation of 2-aryl-2-hydroxyiminoacetic acid |
| US4133834A (en) * | 1978-01-03 | 1979-01-09 | Allied Chemical Corporation | Process for preparing α- and β-hydroxy oximes |
| US4456562A (en) * | 1981-12-02 | 1984-06-26 | Sumitomo Chemical Company, Limited | Process for producing nitriles |
| EP0584988B1 (de) * | 1992-08-20 | 1996-10-23 | Zeneca Limited | Verfahren und Herstellung von Salicylaldoxim-Derivaten |
-
1993
- 1993-02-19 GB GB939303334A patent/GB9303334D0/en active Pending
-
1994
- 1994-02-11 JP JP51872994A patent/JP3549534B2/ja not_active Expired - Lifetime
- 1994-02-11 ES ES94906301T patent/ES2116580T3/es not_active Expired - Lifetime
- 1994-02-11 CN CN94191224A patent/CN1037509C/zh not_active Expired - Lifetime
- 1994-02-11 WO PCT/GB1994/000277 patent/WO1994019317A1/en active IP Right Grant
- 1994-02-11 EP EP94906301A patent/EP0686146B1/de not_active Expired - Lifetime
- 1994-02-11 HU HU9502410A patent/HU218864B/hu unknown
- 1994-02-11 DK DK94906301T patent/DK0686146T3/da active
- 1994-02-11 KR KR1019950703488A patent/KR100293646B1/ko active IP Right Grant
- 1994-02-11 US US08/507,241 patent/US5637750A/en not_active Expired - Lifetime
- 1994-02-11 CA CA002154783A patent/CA2154783C/en not_active Expired - Lifetime
- 1994-02-11 DE DE69410786T patent/DE69410786T2/de not_active Expired - Lifetime
- 1994-02-11 AT AT94906301T patent/ATE166865T1/de active
- 1994-02-11 AU AU60060/94A patent/AU6006094A/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| KR100293646B1 (ko) | 2001-09-17 |
| ATE166865T1 (de) | 1998-06-15 |
| WO1994019317A1 (en) | 1994-09-01 |
| AU6006094A (en) | 1994-09-14 |
| JP3549534B2 (ja) | 2004-08-04 |
| HU9502410D0 (en) | 1995-10-30 |
| HUT71999A (en) | 1996-03-28 |
| JPH08506826A (ja) | 1996-07-23 |
| EP0686146A1 (de) | 1995-12-13 |
| GB9303334D0 (en) | 1993-04-07 |
| CN1118161A (zh) | 1996-03-06 |
| HU218864B (hu) | 2000-12-28 |
| ES2116580T3 (es) | 1998-07-16 |
| US5637750A (en) | 1997-06-10 |
| CA2154783C (en) | 2004-07-13 |
| KR960701003A (ko) | 1996-02-24 |
| CN1037509C (zh) | 1998-02-25 |
| CA2154783A1 (en) | 1994-09-01 |
| DE69410786D1 (de) | 1998-07-09 |
| EP0686146B1 (de) | 1998-06-03 |
| DK0686146T3 (da) | 1998-10-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: SYNGENTA LTD., GUILDFORD, SURREY, GB |