DK296986A - Fremgangsmaade til fremstilling af 3,5-dichlor-2-pyridon - Google Patents
Fremgangsmaade til fremstilling af 3,5-dichlor-2-pyridon Download PDFInfo
- Publication number
- DK296986A DK296986A DK296986A DK296986A DK296986A DK 296986 A DK296986 A DK 296986A DK 296986 A DK296986 A DK 296986A DK 296986 A DK296986 A DK 296986A DK 296986 A DK296986 A DK 296986A
- Authority
- DK
- Denmark
- Prior art keywords
- pyridon
- dichlor
- preparing
- 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
- C07D213/04—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 having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—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 having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/62—Oxygen or sulfur atoms
- C07D213/63—One oxygen atom
- C07D213/64—One oxygen atom attached in position 2 or 6
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH2691/85A CH663957A5 (de) | 1985-06-25 | 1985-06-25 | Verfahren zur herstellung von 3,5-dichlor-2-pyridon. |
| CH269185 | 1985-06-25 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| DK296986D0 DK296986D0 (da) | 1986-06-24 |
| DK296986A true DK296986A (da) | 1986-12-26 |
| DK160819B DK160819B (da) | 1991-04-22 |
| DK160819C DK160819C (da) | 1991-10-14 |
Family
ID=4239406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK296986A DK160819C (da) | 1985-06-25 | 1986-06-24 | Fremgangsmaade til fremstilling af 3,5-dichlor-2-pyridon |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4681942A (da) |
| EP (1) | EP0206293B1 (da) |
| CA (1) | CA1265807A (da) |
| CH (1) | CH663957A5 (da) |
| DE (1) | DE3678209D1 (da) |
| DK (1) | DK160819C (da) |
| IE (1) | IE59019B1 (da) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2046676A1 (en) * | 1990-07-17 | 1992-01-18 | Detlev Worsch | Process for the production of 2-hydroxy-3-halo-5-nitropyridines |
| CN105541699B (zh) * | 2016-01-18 | 2018-04-17 | 浙江理工大学 | 一种3,5‑二氯‑2‑吡啶醇的制备方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE597974C (de) * | 1933-03-10 | 1934-06-02 | Chem Fab Von Heyden Akt Ges | Verfahren zur Darstellung von substituierten 2-Oxypyridinen |
| CH563365A5 (da) * | 1970-08-19 | 1975-06-30 | Ciba Geigy Ag | |
| US4287347A (en) * | 1980-05-12 | 1981-09-01 | Ciba-Geigy Corporation | Process for producing 2,3,5-trichloropyridine |
-
1985
- 1985-06-25 CH CH2691/85A patent/CH663957A5/de not_active IP Right Cessation
-
1986
- 1986-06-09 IE IE152886A patent/IE59019B1/en not_active IP Right Cessation
- 1986-06-17 CA CA000511731A patent/CA1265807A/en not_active Expired - Fee Related
- 1986-06-19 US US06/875,927 patent/US4681942A/en not_active Expired - Fee Related
- 1986-06-20 EP EP86108475A patent/EP0206293B1/de not_active Expired - Lifetime
- 1986-06-20 DE DE8686108475T patent/DE3678209D1/de not_active Expired - Fee Related
- 1986-06-24 DK DK296986A patent/DK160819C/da not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DK160819C (da) | 1991-10-14 |
| CA1265807A (en) | 1990-02-13 |
| DE3678209D1 (de) | 1991-04-25 |
| DK160819B (da) | 1991-04-22 |
| EP0206293A2 (de) | 1986-12-30 |
| EP0206293B1 (de) | 1991-03-20 |
| EP0206293A3 (en) | 1988-01-20 |
| CH663957A5 (de) | 1988-01-29 |
| DK296986D0 (da) | 1986-06-24 |
| IE861528L (en) | 1986-12-25 |
| US4681942A (en) | 1987-07-21 |
| IE59019B1 (en) | 1993-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |