CS183686B2 - Method of producing 1-hydroxy-2-pyridones - Google Patents
Method of producing 1-hydroxy-2-pyridonesInfo
- Publication number
- CS183686B2 CS183686B2 CS7300002187A CS218773A CS183686B2 CS 183686 B2 CS183686 B2 CS 183686B2 CS 7300002187 A CS7300002187 A CS 7300002187A CS 218773 A CS218773 A CS 218773A CS 183686 B2 CS183686 B2 CS 183686B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- pyridones
- hydroxy
- producing
- 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
- C07D213/89—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)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pharmacology & Pharmacy (AREA)
- Communicable Diseases (AREA)
- Animal Behavior & Ethology (AREA)
- Oncology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pyridine Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic 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 |
|---|---|
| CS183686B2 true CS183686B2 (en) | 1978-07-31 |
Family
ID=5840130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS7300002187A CS183686B2 (en) | 1972-03-25 | 1973-03-26 | Method of producing 1-hydroxy-2-pyridones |
Country Status (27)
| Country | Link |
|---|---|
| JP (1) | JPS5233B2 (xx) |
| KR (1) | KR780000095B1 (xx) |
| AR (1) | AR219038A1 (xx) |
| AT (1) | AT327190B (xx) |
| BE (1) | BE797346A (xx) |
| BG (2) | BG22817A3 (xx) |
| CA (1) | CA979449A (xx) |
| CH (1) | CH579050A5 (xx) |
| CS (1) | CS183686B2 (xx) |
| DD (1) | DD105612A5 (xx) |
| DK (1) | DK139966C (xx) |
| EG (1) | EG10850A (xx) |
| ES (1) | ES412847A1 (xx) |
| FI (1) | FI55331C (xx) |
| FR (1) | FR2177963B1 (xx) |
| GB (1) | GB1416397A (xx) |
| HU (1) | HU166579B (xx) |
| MY (1) | MY7800114A (xx) |
| NL (1) | NL175177C (xx) |
| NO (1) | NO139861C (xx) |
| PH (1) | PH9480A (xx) |
| PL (1) | PL91738B1 (xx) |
| RO (1) | RO62622A (xx) |
| SE (1) | SE383151B (xx) |
| SU (1) | SU468418A3 (xx) |
| YU (1) | YU35583B (xx) |
| ZA (1) | ZA732042B (xx) |
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 |
| 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 |
| GB8325496D0 (en) * | 1983-09-23 | 1983-10-26 | Hider R C | Pharmaceutical compositions |
| US5817825A (en) * | 1994-11-02 | 1998-10-06 | Hoechst Aktiengesellschaft | Process for the preparation of 1-hydroxy-2-pyridones |
| JP4556241B2 (ja) * | 2003-02-05 | 2010-10-06 | 日本曹達株式会社 | 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 |
| EP3802494A1 (en) * | 2018-05-30 | 2021-04-14 | Clariant International Ltd | Process for forming 2-hydroxypyridine-1-oxide or derivatives thereof |
| 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 BG23052A patent/BG22817A3/xx unknown
- 1973-03-21 BG BG25589A patent/BG22814A3/xx unknown
- 1973-03-22 PH PH14455*UA patent/PH9480A/en unknown
- 1973-03-22 KR KR7300464A patent/KR780000095B1/ko active
- 1973-03-22 YU YU784/73A patent/YU35583B/xx unknown
- 1973-03-22 FI FI896/73A patent/FI55331C/fi active
- 1973-03-22 CH CH420473A patent/CH579050A5/xx not_active IP Right Cessation
- 1973-03-23 JP JP48032786A patent/JPS5233B2/ja not_active Expired
- 1973-03-23 SE SE7304111A patent/SE383151B/xx unknown
- 1973-03-23 NO NO1205/73A patent/NO139861C/no unknown
- 1973-03-23 AT AT262473A patent/AT327190B/de not_active IP Right Cessation
- 1973-03-23 DK DK162073A patent/DK139966C/da not_active IP Right Cessation
- 1973-03-23 DD DD169759A patent/DD105612A5/xx unknown
- 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 SU SU1896821A patent/SU468418A3/ru active
- 1973-03-24 PL PL1973161446A patent/PL91738B1/pl unknown
- 1973-03-26 BE BE129278A patent/BE797346A/xx not_active IP Right Cessation
- 1973-03-26 CS CS7300002187A patent/CS183686B2/cs unknown
- 1973-03-26 FR FR7310713A patent/FR2177963B1/fr not_active Expired
-
1978
- 1978-12-30 MY MY114/78A patent/MY7800114A/xx unknown
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