RO62622A - Procede pour la preparation des 1-hydroxy-2-pyridones - Google Patents
Procede pour la preparation des 1-hydroxy-2-pyridonesInfo
- Publication number
- RO62622A RO62622A RO7300074280A RO7428073A RO62622A RO 62622 A RO62622 A RO 62622A RO 7300074280 A RO7300074280 A RO 7300074280A RO 7428073 A RO7428073 A RO 7428073A RO 62622 A RO62622 A RO 62622A
- Authority
- RO
- Romania
- Prior art keywords
- pyridones
- hydroxy
- preparation
- 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 |
|---|---|
| RO62622A true RO62622A (fr) | 1978-05-15 |
Family
ID=5840130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7300074280A RO62622A (fr) | 1972-03-25 | 1973-03-23 | Procede pour la preparation des 1-hydroxy-2-pyridones |
Country Status (27)
| Country | Link |
|---|---|
| JP (1) | JPS5233B2 (en)) |
| KR (1) | KR780000095B1 (en)) |
| AR (1) | AR219038A1 (en)) |
| AT (1) | AT327190B (en)) |
| BE (1) | BE797346A (en)) |
| BG (2) | BG22814A3 (en)) |
| CA (1) | CA979449A (en)) |
| CH (1) | CH579050A5 (en)) |
| CS (1) | CS183686B2 (en)) |
| DD (1) | DD105612A5 (en)) |
| DK (1) | DK139966C (en)) |
| EG (1) | EG10850A (en)) |
| ES (1) | ES412847A1 (en)) |
| FI (1) | FI55331C (en)) |
| FR (1) | FR2177963B1 (en)) |
| GB (1) | GB1416397A (en)) |
| HU (1) | HU166579B (en)) |
| MY (1) | MY7800114A (en)) |
| NL (1) | NL175177C (en)) |
| NO (1) | NO139861C (en)) |
| PH (1) | PH9480A (en)) |
| PL (1) | PL91738B1 (en)) |
| RO (1) | RO62622A (en)) |
| SE (1) | SE383151B (en)) |
| SU (1) | SU468418A3 (en)) |
| YU (1) | YU35583B (en)) |
| ZA (1) | ZA732042B (en)) |
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 |
| WO2019228988A1 (en) * | 2018-05-30 | 2019-12-05 | 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 |
| CN120225505A (zh) * | 2022-11-28 | 2025-06-27 | 科莱恩国际有限公司 | 制备n-羟基吡啶酮化合物的方法 |
-
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 ES ES412847A patent/ES412847A1/es not_active Expired
- 1973-03-20 NL NLAANVRAGE7303870,A patent/NL175177C/xx not_active IP Right Cessation
- 1973-03-21 BG BG025589A patent/BG22814A3/xx unknown
- 1973-03-21 BG BG023052A patent/BG22817A3/xx unknown
- 1973-03-21 GB GB1358773A patent/GB1416397A/en not_active Expired
- 1973-03-22 CH CH420473A patent/CH579050A5/xx not_active IP Right Cessation
- 1973-03-22 FI FI896/73A patent/FI55331C/fi active
- 1973-03-22 PH PH14455*UA patent/PH9480A/en unknown
- 1973-03-22 YU YU784/73A patent/YU35583B/xx unknown
- 1973-03-22 KR KR7300464A patent/KR780000095B1/ko not_active Expired
- 1973-03-23 HU HUHO1556A patent/HU166579B/hu unknown
- 1973-03-23 DK DK162073A patent/DK139966C/da not_active IP Right Cessation
- 1973-03-23 SU SU1896821A patent/SU468418A3/ru active
- 1973-03-23 DD DD169759A patent/DD105612A5/xx unknown
- 1973-03-23 RO RO7300074280A patent/RO62622A/ro unknown
- 1973-03-23 ZA ZA732042A patent/ZA732042B/xx unknown
- 1973-03-23 AR AR247210A patent/AR219038A1/es active
- 1973-03-23 AT AT262473A patent/AT327190B/de not_active IP Right Cessation
- 1973-03-23 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
- 1973-03-24 PL PL1973161446A patent/PL91738B1/pl unknown
- 1973-03-26 CS CS7300002187A patent/CS183686B2/cs unknown
- 1973-03-26 BE BE129278A patent/BE797346A/xx not_active IP Right Cessation
- 1973-03-26 FR FR7310713A patent/FR2177963B1/fr not_active Expired
-
1978
- 1978-12-30 MY MY114/78A patent/MY7800114A/xx unknown
Also Published As
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