BG22817A3 - METHOD FOR OBTAINING 1-HYDROXY-2-PYRIDONES - Google Patents
METHOD FOR OBTAINING 1-HYDROXY-2-PYRIDONESInfo
- 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)
- 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 (en) | 1972-03-25 | Process for the preparation of J-hydroxy-2-pyridones |
Publications (1)
Publication Number | Publication Date |
---|---|
BG22817A3 true BG22817A3 (en) | 1977-04-20 |
Family
ID=5840130
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BG025589A BG22814A3 (en) | 1972-03-25 | 1973-03-21 | METHOD FOR OBTAINING 1-HYDROXY -2- PYRIDONES |
BG023052A BG22817A3 (en) | 1972-03-25 | 1973-03-21 | METHOD FOR OBTAINING 1-HYDROXY-2-PYRIDONES |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BG025589A BG22814A3 (en) | 1972-03-25 | 1973-03-21 | METHOD FOR OBTAINING 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 |
USRE34313E (en) * | 1983-09-23 | 1993-07-13 | National Research Development Corporation | Pharmaceutical compositions |
GB8325496D0 (en) * | 1983-09-23 | 1983-10-26 | Hider R C | 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 (en) * | 2003-02-05 | 2004-09-16 | Nippon Soda Co., Ltd. | Novel 6-fluoroalkyl-2(1h)-pyridinones and 6-fluoro- alkylpyridines and processes for the production thereof |
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 |
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/en active
- 1973-03-12 CA CA166,905A patent/CA979449A/en not_active Expired
- 1973-03-20 NL NLAANVRAGE7303870,A patent/NL175177C/en not_active IP Right Cessation
- 1973-03-20 ES ES412847A patent/ES412847A1/en not_active Expired
- 1973-03-21 GB GB1358773A patent/GB1416397A/en not_active Expired
- 1973-03-21 BG BG025589A patent/BG22814A3/en unknown
- 1973-03-21 BG BG023052A patent/BG22817A3/en unknown
- 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/en active
- 1973-03-22 YU YU784/73A patent/YU35583B/en unknown
- 1973-03-22 FI FI896/73A patent/FI55331C/en active
- 1973-03-23 DK DK162073A patent/DK139966C/en not_active IP Right Cessation
- 1973-03-23 JP JP48032786A patent/JPS5233B2/ja not_active Expired
- 1973-03-23 AT AT262473A patent/AT327190B/en not_active IP Right Cessation
- 1973-03-23 SE SE7304111A patent/SE383151B/en unknown
- 1973-03-23 SU SU1896821A patent/SU468418A3/en active
- 1973-03-23 HU HUHO1556A patent/HU166579B/hu unknown
- 1973-03-23 RO RO7300074280A patent/RO62622A/en unknown
- 1973-03-23 ZA ZA732042A patent/ZA732042B/en unknown
- 1973-03-23 DD DD169759A patent/DD105612A5/xx unknown
- 1973-03-23 AR AR247210A patent/AR219038A1/en active
- 1973-03-23 NO NO1205/73A patent/NO139861C/en unknown
- 1973-03-24 PL PL1973161446A patent/PL91738B1/pl unknown
- 1973-03-26 FR FR7310713A patent/FR2177963B1/fr not_active Expired
- 1973-03-26 BE BE129278A patent/BE797346A/en not_active IP Right Cessation
- 1973-03-26 CS CS7300002187A patent/CS183686B2/en unknown
-
1978
- 1978-12-30 MY MY114/78A patent/MY7800114A/en unknown
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BG20352A3 (en) | METHOD FOR OBTAINING PYRIDYL-PHENYL OXYALKANES | |
RO66031A (en) | PROCEDURE FOR PRODUCING N-PHOSPHONOMETHYLGLICINE | |
BG21861A3 (en) | METHOD FOR OBTAINING 3-HYDROXY-CEPHALOSPORINS | |
SE392671B (en) | HALLARE FOR BLIXTLASLOPARE | |
BG21196A3 (en) | METHOD FOR OBTAINING NEW/ 4-BIOPHENYLYL/ ALCOHOLS | |
BG22814A3 (en) | METHOD FOR OBTAINING 1-HYDROXY -2- PYRIDONES | |
SE381980B (en) | PALEGGARE FOR HARFERGNING | |
BG21851A3 (en) | METHOD FOR OBTAINING 1-PHENOXY -3- AMINO-PROPANE-2-OL DERIVATIVES | |
SE390790B (en) | LOPARE FOR BLIXTLAS | |
SE386580B (en) | HALLARE FOR BLIXTLASLOPARE | |
BG25985A3 (en) | METHOD FOR OBTAINING 13 BETA-ETHYL-17 D-ETHYNYL-GONE- -4-EP-3-OH-17 BETA-OL | |
BG22826A3 (en) | METHOD FOR OBTAINING OXAZOLES | |
BG21847A3 (en) | METHOD FOR OBTAINING BIPHENYL DERIVATIVES | |
BG20778A3 (en) | METHOD FOR OBTAINING 2-ALKOXY -5- ALKYLSULFONYL - BENZOIC ACIDS | |
BG22808A3 (en) | METHOD FOR OBTAINING BASIC ESTERS | |
BG22828A3 (en) | METHOD FOR OBTAINING 2-AMINO-4-H PYRENES | |
BG22825A3 (en) | METHOD FOR OBTAINING NEW OXAZOLIDINES | |
SU490283A3 (en) | Method for preparing diphenylmethoxyethylamines | |
BG19804A3 (en) | METHOD FOR THE PREPARATION OF 4-OR-5-NITROIMIDAZOLES | |
BG22819A3 (en) | METHOD FOR OBTAINING 3--AMINO-PYRAZOLONES-(5) | |
RO68858A (en) | PROCEDURE FOR OBTAINING MONOVINYLACETHYLENE | |
BG21223A3 (en) | METHOD FOR OBTAINING M-DIOXANE-5-METHYLAMINES | |
BG21230A3 (en) | METHOD FOR OBTAINING N/ HETEROARYLMETHYL/ D7-DEOXYS - NORMORPHINES AND - NORCODEINES | |
BG21197A3 (en) | METHOD FOR OBTAINING NEW BIDENYL DERIVATIVES | |
BG21607A3 (en) | METHOD FOR OBTAINING PSEUDOTRISACHARIDES |