BG22817A3 - Метод за получаване на 1-хидрокси-2-пиридони - Google Patents
Метод за получаване на 1-хидрокси-2-пиридониInfo
- Publication number
- BG22817A3 BG22817A3 BG023052A BG2305273A BG22817A3 BG 22817 A3 BG22817 A3 BG 22817A3 BG 023052 A BG023052 A BG 023052A BG 2305273 A BG2305273 A BG 2305273A BG 22817 A3 BG22817 A3 BG 22817A3
- Authority
- BG
- Bulgaria
- Prior art keywords
- pyridones
- hydroxy
- obtaining
- 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 |
|---|---|
| BG22817A3 true BG22817A3 (bg) | 1977-04-20 |
Family
ID=5840130
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG023052A BG22817A3 (bg) | 1972-03-25 | 1973-03-21 | Метод за получаване на 1-хидрокси-2-пиридони |
| BG025589A BG22814A3 (bg) | 1972-03-25 | 1973-03-21 | Метод за получаване на 1-хидрокси -2- пиридони |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG025589A BG22814A3 (bg) | 1972-03-25 | 1973-03-21 | Метод за получаване на 1-хидрокси -2- пиридони |
Country Status (27)
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 |
| CN120457108A (zh) * | 2022-11-16 | 2025-08-08 | 科莱恩国际有限公司 | 吡罗克酮的制备方法，包括结晶或沉淀，吡罗克酮颗粒及吡罗克酮乙醇胺盐的制备方法 |
| 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 BG023052A patent/BG22817A3/xx unknown
- 1973-03-21 BG BG025589A patent/BG22814A3/xx unknown
- 1973-03-21 GB GB1358773A patent/GB1416397A/en not_active Expired
- 1973-03-22 KR KR7300464A patent/KR780000095B1/ko not_active Expired
- 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 YU YU784/73A patent/YU35583B/xx unknown
- 1973-03-22 FI FI896/73A patent/FI55331C/fi active
- 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 ZA ZA732042A patent/ZA732042B/xx unknown
- 1973-03-23 SE SE7304111A patent/SE383151B/xx unknown
- 1973-03-23 RO RO7300074280A patent/RO62622A/ro unknown
- 1973-03-23 JP JP48032786A patent/JPS5233B2/ja not_active Expired
- 1973-03-23 NO NO1205/73A patent/NO139861C/no unknown
- 1973-03-23 HU HUHO1556A patent/HU166579B/hu unknown
- 1973-03-23 SU SU1896821A patent/SU468418A3/ru active
- 1973-03-23 DK DK162073A patent/DK139966C/da not_active IP Right Cessation
- 1973-03-23 DD DD169759A patent/DD105612A5/xx 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
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