HK1019590A1 - Process for preparing 2,4-dihydroxypyridine and 2,4-dihydroxy-3-nitropyridine - Google Patents
Process for preparing 2,4-dihydroxypyridine and 2,4-dihydroxy-3-nitropyridineInfo
- Publication number
- HK1019590A1 HK1019590A1 HK99104682A HK99104682A HK1019590A1 HK 1019590 A1 HK1019590 A1 HK 1019590A1 HK 99104682 A HK99104682 A HK 99104682A HK 99104682 A HK99104682 A HK 99104682A HK 1019590 A1 HK1019590 A1 HK 1019590A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- dihydroxypyridine
- nitropyridine
- dihydroxy
- preparing
- 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
- C07D213/64—One oxygen atom attached in position 2 or 6
-
- 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
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/79—Acids; Esters
- C07D213/80—Acids; Esters in position 3
-
- 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
- C07D213/61—Halogen atoms or nitro radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D473/00—Heterocyclic compounds containing purine ring systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyridine Compounds (AREA)
- Hydrogenated Pyridines (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US949296P | 1996-01-02 | 1996-01-02 | |
| PCT/US1996/020768 WO1997024327A1 (en) | 1996-01-02 | 1996-12-23 | Process for preparing 2,4-dihydroxypyridine and 2,4-dihydroxy-3-nitropyridine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK1019590A1 true HK1019590A1 (en) | 2000-02-18 |
Family
ID=21737998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK99104682A HK1019590A1 (en) | 1996-01-02 | 1999-10-21 | Process for preparing 2,4-dihydroxypyridine and 2,4-dihydroxy-3-nitropyridine |
Country Status (22)
| Country | Link |
|---|---|
| US (2) | US6307054B1 (sl) |
| EP (1) | EP0909270B1 (sl) |
| JP (1) | JP2000502709A (sl) |
| KR (1) | KR19990076966A (sl) |
| AP (1) | AP772A (sl) |
| AT (1) | ATE219767T1 (sl) |
| AU (1) | AU722894B2 (sl) |
| BR (1) | BR9612341A (sl) |
| CA (1) | CA2241887C (sl) |
| CZ (1) | CZ203998A3 (sl) |
| DE (1) | DE69622051T2 (sl) |
| DK (1) | DK0909270T3 (sl) |
| EA (1) | EA000884B1 (sl) |
| ES (1) | ES2178725T3 (sl) |
| HK (1) | HK1019590A1 (sl) |
| HU (1) | HUP9900969A3 (sl) |
| IL (1) | IL125164A (sl) |
| OA (1) | OA10803A (sl) |
| PT (1) | PT909270E (sl) |
| SI (1) | SI9620137B (sl) |
| SK (1) | SK283625B6 (sl) |
| WO (1) | WO1997024327A1 (sl) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK1140933T3 (da) | 1998-12-31 | 2004-12-20 | Aventis Pharma Inc | Fremgangsmåde til fremstilling af N6-substituerede deaza-adenosinderivater |
| US7018365B2 (en) | 1999-05-21 | 2006-03-28 | Micro Therapeutics, Inc. | Threaded syringe with quick stop |
| US6784165B1 (en) * | 1999-11-23 | 2004-08-31 | Aderis Pharmaceuticals, Inc. | Treatment of heart rhythm disturbances with N6-substituted-5′-(N-substituted) carboxamidoadenosines |
| US7291603B2 (en) * | 2002-07-24 | 2007-11-06 | Ptc Therapeutics, Inc. | Nucleoside compounds and their use for treating cancer and diseases associated with somatic mutations |
| AU2004238217A1 (en) * | 2003-04-24 | 2004-11-25 | Aderis Pharmaceuticals, Inc. | Method of treating atrial fibrillation or atrial flutter |
| WO2005025545A2 (en) * | 2003-09-17 | 2005-03-24 | Aderis Pharmaceuticals, Inc. | Pharmaceutical formulation for controlled release of selodenoson |
| GT200500281A (es) * | 2004-10-22 | 2006-04-24 | Novartis Ag | Compuestos organicos. |
| GB0500785D0 (en) * | 2005-01-14 | 2005-02-23 | Novartis Ag | Organic compounds |
| GB0607953D0 (en) * | 2006-04-21 | 2006-05-31 | Novartis Ag | Organic compounds |
| GB0607944D0 (en) * | 2006-04-21 | 2006-05-31 | Novartis Ag | Organic compounds |
| KR20080110925A (ko) | 2006-04-21 | 2008-12-19 | 노파르티스 아게 | 아데노신 ａ２ａ 수용체 효능제로서 사용하기 위한 퓨린 유도체 |
| GB0607950D0 (en) * | 2006-04-21 | 2006-05-31 | Novartis Ag | Organic compounds |
| GB0607948D0 (en) * | 2006-04-21 | 2006-05-31 | Novartis Ag | Organic compounds |
| EP1889846A1 (en) | 2006-07-13 | 2008-02-20 | Novartis AG | Purine derivatives as A2a agonists |
| EP1903044A1 (en) * | 2006-09-14 | 2008-03-26 | Novartis AG | Adenosine Derivatives as A2A Receptor Agonists |
| BRPI0718792A2 (pt) * | 2006-11-10 | 2013-12-03 | Novartis Ag | Compostos orgânicos |
| JP2012516843A (ja) | 2009-02-02 | 2012-07-26 | インドコ レメディーズ リミテッド | ニトロピリジン誘導体の調製方法 |
| CN114349873B (zh) * | 2021-04-12 | 2023-03-17 | 杭州安誉科技有限公司 | 用于多孔模块辅助控制装置的高强度风扇支架 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3547935A (en) * | 1967-08-07 | 1970-12-15 | American Cyanamid Co | Certain nitro-4-pyridinols,n-oxides thereof and derivatives thereof |
| GB1199699A (en) * | 1968-01-08 | 1970-07-22 | Glanzstoff Ag | Process for the Production of Condensed Aromatic Bis-(2,4-Dihydroxypyridine) Derivatives |
| DE3308449A1 (de) * | 1982-08-19 | 1984-03-15 | Rütgerswerke AG, 6000 Frankfurt | Verfahren zur reindarstellung von 2-chlor-6-alkoxy-3-nitropyridinen |
| JP3261190B2 (ja) * | 1993-01-27 | 2002-02-25 | 広栄化学工業株式会社 | ２−ヒドロキシ−３，５−ジニトロピリジン類の製造法 |
-
1996
- 1996-12-23 CZ CZ982039A patent/CZ203998A3/cs unknown
- 1996-12-23 HU HU9900969A patent/HUP9900969A3/hu not_active Application Discontinuation
- 1996-12-23 ES ES96945096T patent/ES2178725T3/es not_active Expired - Lifetime
- 1996-12-23 IL IL12516496A patent/IL125164A/xx not_active IP Right Cessation
- 1996-12-23 PT PT96945096T patent/PT909270E/pt unknown
- 1996-12-23 WO PCT/US1996/020768 patent/WO1997024327A1/en not_active Application Discontinuation
- 1996-12-23 AP APAP/P/1998/001289A patent/AP772A/en active
- 1996-12-23 DE DE69622051T patent/DE69622051T2/de not_active Expired - Fee Related
- 1996-12-23 AU AU13546/97A patent/AU722894B2/en not_active Ceased
- 1996-12-23 CA CA002241887A patent/CA2241887C/en not_active Expired - Fee Related
- 1996-12-23 SI SI9620137A patent/SI9620137B/sl not_active IP Right Cessation
- 1996-12-23 AT AT96945096T patent/ATE219767T1/de not_active IP Right Cessation
- 1996-12-23 BR BR9612341-9A patent/BR9612341A/pt not_active Application Discontinuation
- 1996-12-23 KR KR1019980705094A patent/KR19990076966A/ko not_active Application Discontinuation
- 1996-12-23 SK SK906-98A patent/SK283625B6/sk unknown
- 1996-12-23 DK DK96945096T patent/DK0909270T3/da active
- 1996-12-23 EA EA199800621A patent/EA000884B1/ru not_active IP Right Cessation
- 1996-12-23 JP JP9524559A patent/JP2000502709A/ja not_active Ceased
- 1996-12-23 EP EP96945096A patent/EP0909270B1/en not_active Expired - Lifetime
-
1998
- 1998-07-01 US US09/108,622 patent/US6307054B1/en not_active Expired - Fee Related
- 1998-07-01 OA OA9800099A patent/OA10803A/en unknown
-
1999
- 1999-10-21 HK HK99104682A patent/HK1019590A1/xx not_active IP Right Cessation
-
2001
- 2001-05-18 US US09/861,023 patent/US6392049B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| HUP9900969A3 (en) | 2001-11-28 |
| CZ203998A3 (cs) | 1999-11-17 |
| JP2000502709A (ja) | 2000-03-07 |
| IL125164A0 (en) | 1999-01-26 |
| DE69622051T2 (de) | 2003-01-23 |
| US6392049B1 (en) | 2002-05-21 |
| SI9620137B (sl) | 2006-02-28 |
| US6307054B1 (en) | 2001-10-23 |
| CA2241887A1 (en) | 1997-07-10 |
| BR9612341A (pt) | 1999-12-28 |
| SK283625B6 (sk) | 2003-10-07 |
| DE69622051D1 (de) | 2002-08-01 |
| DK0909270T3 (da) | 2002-10-07 |
| SK90698A3 (en) | 2000-12-11 |
| HUP9900969A2 (hu) | 1999-07-28 |
| KR19990076966A (ko) | 1999-10-25 |
| AU1354697A (en) | 1997-07-28 |
| OA10803A (en) | 2003-01-28 |
| EA000884B1 (ru) | 2000-06-26 |
| EP0909270A4 (sl) | 1999-04-21 |
| AU722894B2 (en) | 2000-08-10 |
| IL125164A (en) | 2003-03-12 |
| AP9801289A0 (en) | 1998-09-30 |
| AP772A (en) | 1999-10-15 |
| EP0909270A1 (en) | 1999-04-21 |
| ATE219767T1 (de) | 2002-07-15 |
| PT909270E (pt) | 2002-11-29 |
| SI9620137A (sl) | 1999-02-28 |
| EP0909270B1 (en) | 2002-06-26 |
| CA2241887C (en) | 2004-02-24 |
| EA199800621A1 (ru) | 1999-02-25 |
| WO1997024327A1 (en) | 1997-07-10 |
| ES2178725T3 (es) | 2003-01-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PF | Patent in force | ||
| PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20061223 |