DE69900394T2 - Verfahren zur Herstellung von 2-Chlor-3-hydroxypyridin - Google Patents
Verfahren zur Herstellung von 2-Chlor-3-hydroxypyridinInfo
- Publication number
- DE69900394T2 DE69900394T2 DE69900394T DE69900394T DE69900394T2 DE 69900394 T2 DE69900394 T2 DE 69900394T2 DE 69900394 T DE69900394 T DE 69900394T DE 69900394 T DE69900394 T DE 69900394T DE 69900394 T2 DE69900394 T2 DE 69900394T2
- Authority
- DE
- Germany
- Prior art keywords
- hydroxypyridine
- hydrochloric acid
- solution
- chloro
- aqueous
- 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
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/62—Oxygen or sulfur atoms
- C07D213/63—One oxygen atom
- C07D213/65—One oxygen atom attached in position 3 or 5
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
- Furan Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH48098 | 1998-02-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69900394D1 DE69900394D1 (de) | 2001-12-06 |
| DE69900394T2 true DE69900394T2 (de) | 2002-06-27 |
Family
ID=4187971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69900394T Expired - Lifetime DE69900394T2 (de) | 1998-02-27 | 1999-02-25 | Verfahren zur Herstellung von 2-Chlor-3-hydroxypyridin |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US6133447A (enExample) |
| EP (1) | EP0939079B1 (enExample) |
| JP (1) | JP3926943B2 (enExample) |
| AR (1) | AR019824A1 (enExample) |
| AT (1) | ATE207901T1 (enExample) |
| BR (1) | BR9900797B1 (enExample) |
| DE (1) | DE69900394T2 (enExample) |
| IL (1) | IL128611A (enExample) |
| ZA (1) | ZA991576B (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2954268C (en) * | 2014-07-08 | 2022-11-22 | Dow Agrosciences Llc | Process for the preparation of 3-hydroxypicolinic acids |
| CN106588756A (zh) * | 2016-11-11 | 2017-04-26 | 山东天信化工有限公司 | 一种2,3‑二氯吡啶的制备方法 |
| CN117105851B (zh) * | 2023-10-18 | 2024-02-13 | 苏州开元民生科技股份有限公司 | 一种2,3-二氯吡啶的制备方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB862581A (en) * | 1957-01-02 | 1961-03-15 | Sadolin & Holmblad As | Improvements in or relating to the preparation of 3-pyridinols |
| US4716231A (en) * | 1987-04-27 | 1987-12-29 | Pfizer Inc. | Chlorination of 2-methoxynicotinic acid |
| US5403814A (en) * | 1991-03-25 | 1995-04-04 | Ciba-Geigy Corporation | Sulfonylureas |
| WO1996037472A2 (en) * | 1995-05-24 | 1996-11-28 | Novartis Ag | Pyridine-microbicides |
-
1999
- 1999-02-17 US US09/251,549 patent/US6133447A/en not_active Expired - Lifetime
- 1999-02-18 IL IL12861199A patent/IL128611A/en not_active IP Right Cessation
- 1999-02-24 BR BRPI9900797-5A patent/BR9900797B1/pt not_active IP Right Cessation
- 1999-02-25 EP EP99103700A patent/EP0939079B1/en not_active Expired - Lifetime
- 1999-02-25 AT AT99103700T patent/ATE207901T1/de active
- 1999-02-25 DE DE69900394T patent/DE69900394T2/de not_active Expired - Lifetime
- 1999-02-25 AR ARP990100803A patent/AR019824A1/es active IP Right Grant
- 1999-02-26 JP JP04960499A patent/JP3926943B2/ja not_active Expired - Fee Related
- 1999-02-26 ZA ZA9901576A patent/ZA991576B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IL128611A0 (en) | 2000-01-31 |
| BR9900797B1 (pt) | 2009-12-01 |
| ATE207901T1 (de) | 2001-11-15 |
| IL128611A (en) | 2004-05-12 |
| DE69900394D1 (de) | 2001-12-06 |
| AR019824A1 (es) | 2002-03-20 |
| JPH11279151A (ja) | 1999-10-12 |
| US6133447A (en) | 2000-10-17 |
| JP3926943B2 (ja) | 2007-06-06 |
| BR9900797A (pt) | 2000-05-09 |
| EP0939079A1 (en) | 1999-09-01 |
| EP0939079B1 (en) | 2001-10-31 |
| ZA991576B (en) | 1999-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8328 | Change in the person/name/address of the agent |
Representative=s name: KROHER, STROBEL RECHTS- UND PATENTANWAELTE, 80336 |
|
| 8328 | Change in the person/name/address of the agent |
Representative=s name: DR. SCHOEN & PARTNER, 80336 MUENCHEN |