IL128611A - Process for the preparation of 2-chloro-3-hydroxypyridine - Google Patents
Process for the preparation of 2-chloro-3-hydroxypyridineInfo
- Publication number
- IL128611A IL128611A IL12861199A IL12861199A IL128611A IL 128611 A IL128611 A IL 128611A IL 12861199 A IL12861199 A IL 12861199A IL 12861199 A IL12861199 A IL 12861199A IL 128611 A IL128611 A IL 128611A
- Authority
- IL
- Israel
- Prior art keywords
- hydroxypyridine
- solution
- chloro
- aqueous
- acid
- Prior art date
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 |
|---|---|
| IL128611A0 IL128611A0 (en) | 2000-01-31 |
| IL128611A true IL128611A (en) | 2004-05-12 |
Family
ID=4187971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL12861199A IL128611A (en) | 1998-02-27 | 1999-02-18 | Process for the preparation of 2-chloro-3-hydroxypyridine |
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 |
| DE69900394D1 (de) | 2001-12-06 |
| DE69900394T2 (de) | 2002-06-27 |
| 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 |
|---|---|---|---|
| HP | Change in proprietorship | ||
| FF | Patent granted | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| KB | Patent renewed | ||
| EXP | Patent expired |