CA979449A - Process for the preparation of 1-hydroxy-2-pyridones - Google Patents
Process for the preparation of 1-hydroxy-2-pyridonesInfo
- Publication number
- CA979449A CA979449A CA166,905A CA166905A CA979449A CA 979449 A CA979449 A CA 979449A CA 166905 A CA166905 A CA 166905A CA 979449 A CA979449 A CA 979449A
- Authority
- CA
- Canada
- Prior art keywords
- pyridones
- hydroxy
- preparation
- 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
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
- C07D213/89—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 with hetero atoms directly attached to the ring nitrogen atom
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D221/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00
- C07D221/02—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00 condensed with carbocyclic rings or ring systems
- C07D221/04—Ortho- or peri-condensed ring systems
- C07D221/06—Ring systems of three rings
- C07D221/10—Aza-phenanthrenes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D221/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00
- C07D221/02—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00 condensed with carbocyclic rings or ring systems
- C07D221/20—Spiro-condensed ring systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oncology (AREA)
- Pharmacology & Pharmacy (AREA)
- Communicable Diseases (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pyridine Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Medicinal Preparation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722214608 DE2214608C3 (de) | 1972-03-25 | Verfahren zur Herstellung von J-Hydroxy-2-pyridonen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA979449A true CA979449A (en) | 1975-12-09 |
Family
ID=5840130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA166,905A Expired CA979449A (en) | 1972-03-25 | 1973-03-12 | Process for the preparation of 1-hydroxy-2-pyridones |
Country Status (27)
| Country | Link |
|---|---|
| JP (1) | JPS5233B2 (es) |
| KR (1) | KR780000095B1 (es) |
| AR (1) | AR219038A1 (es) |
| AT (1) | AT327190B (es) |
| BE (1) | BE797346A (es) |
| BG (2) | BG22814A3 (es) |
| CA (1) | CA979449A (es) |
| CH (1) | CH579050A5 (es) |
| CS (1) | CS183686B2 (es) |
| DD (1) | DD105612A5 (es) |
| DK (1) | DK139966C (es) |
| EG (1) | EG10850A (es) |
| ES (1) | ES412847A1 (es) |
| FI (1) | FI55331C (es) |
| FR (1) | FR2177963B1 (es) |
| GB (1) | GB1416397A (es) |
| HU (1) | HU166579B (es) |
| MY (1) | MY7800114A (es) |
| NL (1) | NL175177C (es) |
| NO (1) | NO139861C (es) |
| PH (1) | PH9480A (es) |
| PL (1) | PL91738B1 (es) |
| RO (1) | RO62622A (es) |
| SE (1) | SE383151B (es) |
| SU (1) | SU468418A3 (es) |
| YU (1) | YU35583B (es) |
| ZA (1) | ZA732042B (es) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4178242A (en) * | 1975-11-11 | 1979-12-11 | Anic S.P.A. | Method for the purification of sewage waters which contain organic compounds of an anionic character |
| JPS5323145A (en) * | 1976-07-20 | 1978-03-03 | Kurita Water Ind Ltd | Method of dehydrating sludge |
| JPS54144759A (en) * | 1978-04-29 | 1979-11-12 | Tobata Tekko Kk | Method of decoloring waste water containing dyestuffs |
| GB8325496D0 (en) * | 1983-09-23 | 1983-10-26 | Hider R C | Pharmaceutical compositions |
| USRE34313E (en) * | 1983-09-23 | 1993-07-13 | National Research Development Corporation | Pharmaceutical compositions |
| US4912118A (en) * | 1983-09-23 | 1990-03-27 | National Research Development Corporation | Pharmaceutical compositions |
| US5817825A (en) * | 1994-11-02 | 1998-10-06 | Hoechst Aktiengesellschaft | Process for the preparation of 1-hydroxy-2-pyridones |
| WO2004078727A1 (ja) * | 2003-02-05 | 2004-09-16 | Nippon Soda Co., Ltd. | 新規６－フルオロアルキル－２（１ｈ）－ピリジノン、６－フルオロアルキルピリジン化合物及びその製造方法 |
| CN112351970A (zh) * | 2018-05-30 | 2021-02-09 | 科莱恩国际有限公司 | 2-羟基吡啶-1-氧化物或其衍生物的形成方法 |
| EP4122918A1 (en) * | 2021-07-19 | 2023-01-25 | Clariant International Ltd | Process for the preparation of n-hydroxypyridone compounds |
| WO2024104987A2 (en) * | 2022-11-16 | 2024-05-23 | Clariant International Ltd | Process for the crystallization or precipitation of piroctone |
| WO2024115319A1 (en) * | 2022-11-28 | 2024-06-06 | Clariant International Ltd | Process for the preparation of n-hydroxypyridone compounds |
-
1973
- 1973-03-11 EG EG86/73A patent/EG10850A/xx active
- 1973-03-12 CA CA166,905A patent/CA979449A/en not_active Expired
- 1973-03-20 NL NLAANVRAGE7303870,A patent/NL175177C/xx not_active IP Right Cessation
- 1973-03-20 ES ES412847A patent/ES412847A1/es not_active Expired
- 1973-03-21 GB GB1358773A patent/GB1416397A/en not_active Expired
- 1973-03-21 BG BG025589A patent/BG22814A3/xx unknown
- 1973-03-21 BG BG023052A patent/BG22817A3/xx unknown
- 1973-03-22 FI FI896/73A patent/FI55331C/fi active
- 1973-03-22 PH PH14455*UA patent/PH9480A/en unknown
- 1973-03-22 CH CH420473A patent/CH579050A5/xx not_active IP Right Cessation
- 1973-03-22 KR KR7300464A patent/KR780000095B1/ko active
- 1973-03-22 YU YU784/73A patent/YU35583B/xx unknown
- 1973-03-23 SU SU1896821A patent/SU468418A3/ru active
- 1973-03-23 DD DD169759A patent/DD105612A5/xx unknown
- 1973-03-23 SE SE7304111A patent/SE383151B/xx unknown
- 1973-03-23 NO NO1205/73A patent/NO139861C/no unknown
- 1973-03-23 DK DK162073A patent/DK139966C/da not_active IP Right Cessation
- 1973-03-23 JP JP48032786A patent/JPS5233B2/ja not_active Expired
- 1973-03-23 ZA ZA732042A patent/ZA732042B/xx unknown
- 1973-03-23 RO RO7300074280A patent/RO62622A/ro unknown
- 1973-03-23 HU HUHO1556A patent/HU166579B/hu unknown
- 1973-03-23 AR AR247210A patent/AR219038A1/es active
- 1973-03-23 AT AT262473A patent/AT327190B/de not_active IP Right Cessation
- 1973-03-24 PL PL1973161446A patent/PL91738B1/pl unknown
- 1973-03-26 FR FR7310713A patent/FR2177963B1/fr not_active Expired
- 1973-03-26 CS CS7300002187A patent/CS183686B2/cs unknown
- 1973-03-26 BE BE129278A patent/BE797346A/xx not_active IP Right Cessation
-
1978
- 1978-12-30 MY MY114/78A patent/MY7800114A/xx unknown
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