PH9480A - An improved process for the preparation of 1-hydroxy-2-pyridone derivatives - Google Patents
An improved process for the preparation of 1-hydroxy-2-pyridone derivativesInfo
- Publication number
- PH9480A PH9480A PH14455*UA PH14455A PH9480A PH 9480 A PH9480 A PH 9480A PH 14455 A PH14455 A PH 14455A PH 9480 A PH9480 A PH 9480A
- Authority
- PH
- Philippines
- Prior art keywords
- hydroxy
- preparation
- improved process
- pyridone derivatives
- pyridone
- 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 |
---|---|
PH9480A true PH9480A (en) | 1976-01-08 |
Family
ID=5840130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PH14455*UA PH9480A (en) | 1972-03-25 | 1973-03-22 | An improved process for the preparation of 1-hydroxy-2-pyridone derivatives |
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) | BG22817A3 (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 |
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
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
YU210773A (en) | Process for obtaining imidazoquinazolin-2-one derivatives | |
KR780000008B1 (en) | Process for the preparation of chromane derivatives | |
YU3373A (en) | Process for obtaining substituted derivatives of piperidinoalkanone-oximes | |
CA989827A (en) | Process for the preparation of 14-hydroxymorphinan derivatives | |
YU36013B (en) | Process for obtaining alfa-aryl-4-substituted piperidinoalkanol derivatives | |
PH9480A (en) | An improved process for the preparation of 1-hydroxy-2-pyridone derivatives | |
YU273973A (en) | Process for obtaining 2-oxazoline derivatives | |
PH9508A (en) | Process for preparing derivatives of 1-phenoxy-3-amino propane-2-01 | |
CH614925A5 (en) | Process for the preparation of alkanolamine derivatives | |
ZA737697B (en) | Process for the preparation of thiazolesulphenamides | |
CS192502B2 (en) | Method of preparing derivatives of 3-carbamoyl-oxymethyl-cephalosporin | |
CH614430A5 (en) | Process for the preparation of substituted phenylguanidines | |
YU299579A (en) | Process for obtaining novel derivatives of aminoimidazoloisoquinoline | |
ZA731178B (en) | Process for the preparation of alpha-6-deoxytetracyclines | |
ZA738587B (en) | Process for the preparation of thiazolesulphenamides | |
CA993871A (en) | Process for the preparation of certain indolobenzazepine derivatives | |
IL41440A0 (en) | Process for the preparation of piperazine derivatives | |
EG11506A (en) | Process for the preparation of substituted benzimidazoles | |
KR780000152B1 (en) | Process for the preparation of 2-amino-benzylamines | |
CH608012A5 (en) | Process for the preparation of lactones | |
CS179412B2 (en) | Method for preparation of derivatives. | |
YU113673A (en) | Process for obtaining novel 1-acyl-homo-pyrimidazole derivatives | |
CA913104A (en) | Process for the preparation of isoquinuclidine derivatives | |
CA913103A (en) | Process for the preparation of isoquinuclidine derivatives | |
CA894805A (en) | Process for the preparation of dibenzo-cycloheptene derivatives |