CH547284A - Verfahren zur herstellung von 1-hydroxy-2-pyridonen. - Google Patents
Verfahren zur herstellung von 1-hydroxy-2-pyridonen.Info
- Publication number
- CH547284A CH547284A CH1309069A CH547284DA CH547284A CH 547284 A CH547284 A CH 547284A CH 1309069 A CH1309069 A CH 1309069A CH 547284D A CH547284D A CH 547284DA CH 547284 A CH547284 A CH 547284A
- Authority
- CH
- Switzerland
- Prior art keywords
- pyridons
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyridine Compounds (AREA)
- Filters And Equalizers (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681795270 DE1795270C3 (de) | 1968-08-31 | 1 -Hydroxy-2-pyridone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH547284A true CH547284A (de) | 1974-03-29 |
Family
ID=5708124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1309069A CH547284A (de) | 1968-08-31 | 1969-08-28 | Verfahren zur herstellung von 1-hydroxy-2-pyridonen. |
Country Status (17)
| Country | Link |
|---|---|
| JP (1) | JPS4835077B1 (en, 2012) |
| AT (1) | AT291260B (en, 2012) |
| BE (1) | BE738288A (en, 2012) |
| BR (1) | BR6911968D0 (en, 2012) |
| CH (1) | CH547284A (en, 2012) |
| CS (1) | CS150278B2 (en, 2012) |
| CY (1) | CY699A (en, 2012) |
| DK (1) | DK125091B (en, 2012) |
| ES (1) | ES371031A1 (en, 2012) |
| FI (1) | FI50334C (en, 2012) |
| FR (1) | FR2022146B1 (en, 2012) |
| GB (1) | GB1238106A (en, 2012) |
| MY (1) | MY7300458A (en, 2012) |
| NL (1) | NL156397B (en, 2012) |
| NO (1) | NO132197C (en, 2012) |
| SE (1) | SE348729B (en, 2012) |
| YU (1) | YU32990B (en, 2012) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4185106A (en) * | 1972-07-11 | 1980-01-22 | Hoechst Aktiengesellschaft | Pyridones as antidandruff agents |
| DE2234009C3 (de) * | 1972-07-11 | 1979-01-11 | Hoechst Ag, 6000 Frankfurt | Kosmetische Zubereitungen |
| 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 |
| GB8524508D0 (en) * | 1985-10-04 | 1985-11-06 | Beecham Group Plc | Composition |
| DE3613061A1 (de) * | 1986-04-18 | 1987-10-22 | Hoechst Ag | 1-hydroxy-2-pyridone, verfahren zu ihrer herstellung und arzneimittel, die sie enthalten |
| FR2746015B1 (fr) | 1996-03-18 | 1998-04-24 | Utilisation de l'octopirox comme agent depigmentant | |
| DE19639816A1 (de) * | 1996-09-27 | 1998-04-02 | Hoechst Ag | Antimykotische Mittel mit hoher Wirkstofffreisetzung |
| ES2988078T3 (es) * | 2019-02-19 | 2024-11-19 | Clariant Int Ltd | Recristalización de piroctonaolamina |
-
1969
- 1969-08-25 NL NL6912934A patent/NL156397B/xx not_active IP Right Cessation
- 1969-08-27 FI FI247769A patent/FI50334C/fi active
- 1969-08-27 GB GB4272669A patent/GB1238106A/en not_active Expired
- 1969-08-27 CS CS586969A patent/CS150278B2/cs unknown
- 1969-08-28 CH CH1309069A patent/CH547284A/xx not_active IP Right Cessation
- 1969-08-28 YU YU221069A patent/YU32990B/xx unknown
- 1969-08-28 SE SE1190269A patent/SE348729B/xx unknown
- 1969-08-29 BR BR21196869A patent/BR6911968D0/pt unknown
- 1969-08-29 AT AT830169A patent/AT291260B/de not_active IP Right Cessation
- 1969-08-29 DK DK465569A patent/DK125091B/da unknown
- 1969-08-30 ES ES371031A patent/ES371031A1/es not_active Expired
- 1969-09-01 FR FR6929829A patent/FR2022146B1/fr not_active Expired
- 1969-09-01 BE BE738288D patent/BE738288A/xx not_active IP Right Cessation
- 1969-09-01 NO NO348569A patent/NO132197C/no unknown
- 1969-09-01 JP JP6904769A patent/JPS4835077B1/ja active Pending
-
1973
- 1973-09-05 CY CY69973A patent/CY699A/xx unknown
- 1973-12-30 MY MY7300458A patent/MY7300458A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| YU221069A (en) | 1975-06-30 |
| BR6911968D0 (pt) | 1973-04-19 |
| NL6912934A (en, 2012) | 1970-03-03 |
| NL156397B (nl) | 1978-04-17 |
| FI50334C (fi) | 1976-02-10 |
| CY699A (en) | 1973-09-05 |
| AT291260B (de) | 1971-07-12 |
| GB1238106A (en, 2012) | 1971-07-07 |
| NO132197C (en, 2012) | 1975-10-01 |
| DE1795270B2 (de) | 1976-03-18 |
| FI50334B (en, 2012) | 1975-10-31 |
| CS150278B2 (en, 2012) | 1973-09-04 |
| SE348729B (en, 2012) | 1972-09-11 |
| FR2022146B1 (en, 2012) | 1973-06-08 |
| NO132197B (en, 2012) | 1975-06-23 |
| BE738288A (en, 2012) | 1970-03-02 |
| FR2022146A1 (en, 2012) | 1970-07-31 |
| YU32990B (en) | 1975-12-31 |
| DE1795270A1 (de) | 1971-12-30 |
| MY7300458A (en) | 1973-12-31 |
| JPS4835077B1 (en, 2012) | 1973-10-25 |
| DK125091B (da) | 1972-12-27 |
| ES371031A1 (es) | 1972-01-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |