DE2508147C3 - Verfahren zur Herstellung von 2-Chlorpyridin - Google Patents
Verfahren zur Herstellung von 2-ChlorpyridinInfo
- Publication number
- DE2508147C3 DE2508147C3 DE2508147A DE2508147A DE2508147C3 DE 2508147 C3 DE2508147 C3 DE 2508147C3 DE 2508147 A DE2508147 A DE 2508147A DE 2508147 A DE2508147 A DE 2508147A DE 2508147 C3 DE2508147 C3 DE 2508147C3
- Authority
- DE
- Germany
- Prior art keywords
- dichloropyridine
- chloropyridine
- pyridine
- weight
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- C07D213/61—Halogen atoms or nitro radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/447,705 US3931190A (en) | 1974-03-04 | 1974-03-04 | Preparation of 2-chloropyridine by hydrogenolysis |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2508147A1 DE2508147A1 (de) | 1975-09-11 |
| DE2508147B2 DE2508147B2 (de) | 1980-09-04 |
| DE2508147C3 true DE2508147C3 (de) | 1981-04-23 |
Family
ID=23777401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2508147A Expired DE2508147C3 (de) | 1974-03-04 | 1975-02-25 | Verfahren zur Herstellung von 2-Chlorpyridin |
Country Status (7)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4111938A (en) * | 1977-09-14 | 1978-09-05 | The Dow Chemical Company | Preparation of 2,3,5-trichloropyridine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2502125A (en) * | 1948-04-24 | 1950-03-28 | Dow Chemical Co | Debromination of polybromopyridine |
| US3355456A (en) * | 1965-05-06 | 1967-11-28 | Dow Chemical Co | Production of monohalopyridinols |
-
1974
- 1974-03-04 US US05/447,705 patent/US3931190A/en not_active Expired - Lifetime
-
1975
- 1975-02-20 GB GB723775A patent/GB1462567A/en not_active Expired
- 1975-02-25 DE DE2508147A patent/DE2508147C3/de not_active Expired
- 1975-03-03 CH CH264375A patent/CH603585A5/xx not_active IP Right Cessation
- 1975-03-03 FR FR7506573A patent/FR2263243B1/fr not_active Expired
- 1975-03-04 IE IE454/75A patent/IE40732B1/xx unknown
- 1975-03-04 JP JP50026452A patent/JPS60349B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60349B2 (ja) | 1985-01-07 |
| IE40732L (en) | 1975-09-04 |
| FR2263243A1 (US06331856-20011218-P00035.png) | 1975-10-03 |
| FR2263243B1 (US06331856-20011218-P00035.png) | 1980-01-04 |
| US3931190A (en) | 1976-01-06 |
| IE40732B1 (en) | 1979-08-01 |
| GB1462567A (en) | 1977-01-26 |
| DE2508147A1 (de) | 1975-09-11 |
| JPS50117776A (US06331856-20011218-P00035.png) | 1975-09-16 |
| CH603585A5 (US06331856-20011218-P00035.png) | 1978-08-31 |
| DE2508147B2 (de) | 1980-09-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |