BE795683A - Procede pour la preparation de 2,6-dichloropyridine - Google Patents
Procede pour la preparation de 2,6-dichloropyridineInfo
- Publication number
- BE795683A BE795683A BE795683DA BE795683A BE 795683 A BE795683 A BE 795683A BE 795683D A BE795683D A BE 795683DA BE 795683 A BE795683 A BE 795683A
- Authority
- BE
- Belgium
- Prior art keywords
- dichloropyridine
- 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
- C07D213/04—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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722208007 DE2208007C3 (de) | 1972-02-21 | Verfahren zur Herstellung von 2,6-Oichtor-pyridin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE795683A true BE795683A (fr) | 1973-06-18 |
Family
ID=5836565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE795683D BE795683A (fr) | 1972-02-21 | Procede pour la preparation de 2,6-dichloropyridine |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3899495A (fr) |
| JP (1) | JPS5422983B2 (fr) |
| BE (1) | BE795683A (fr) |
| CH (1) | CH575395A5 (fr) |
| FR (1) | FR2172972B1 (fr) |
| GB (1) | GB1395861A (fr) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS554743B2 (fr) * | 1974-05-21 | 1980-01-31 | ||
| JPS554742B2 (fr) * | 1974-05-21 | 1980-01-31 | ||
| IL78359A (en) * | 1986-03-31 | 1989-12-15 | Makhteshim Chem Works Ltd | Vapor phase production of chlorinated pyridines from alpha-picoline |
| IL78341A (en) * | 1986-03-31 | 1989-08-15 | Makhteshim Chem Works Ltd | Method of preparing 2,3,6-trichloropyridine and 2,3,5,6-tetrachloropyridine in the gas phase |
| JP2559433B2 (ja) * | 1987-11-17 | 1996-12-04 | ダイセル化学工業株式会社 | クロロピリジンの製造方法 |
| DE4344793C2 (de) * | 1992-12-28 | 1998-04-16 | Sumitomo Seika Chemicals | Verfahren zur Herstellung von 2-Chlorpyridin und 2,6-Dichlorpyridin |
| US9079857B2 (en) | 2012-04-03 | 2015-07-14 | Arch Chemicals, Inc. | Process for preparing alkali metal pyrithione and its polyvalent metal complexes from pyridine oxide |
| EP4293014A1 (fr) | 2022-06-15 | 2023-12-20 | Basf Se | Procédé de coloration photo lytique des pyrimidines halogénures à l'aide du chlore moléculaire |
| WO2023241960A1 (fr) | 2022-06-15 | 2023-12-21 | Basf Se | Procédé de chloration photolytique de 3-halopyridine avec du chlore moléculaire |
| EP4311828A1 (fr) | 2022-07-26 | 2024-01-31 | Basf Se | Procédé de chloration photolytique de 3-halopyridine à l'aide du chlore moléculaire |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2820791A (en) * | 1958-01-21 | Chemical manufacture | ||
| FR1168562A (fr) * | 1956-02-10 | 1958-12-10 | Olin Mathieson | Procédé de préparation de la 2-chloropyridine |
| US3251848A (en) * | 1963-11-12 | 1966-05-17 | Dow Chemical Co | Vapor phase production of 2-chloropyridine and 2, 6-dichloropyridine |
| FR1441496A (fr) * | 1964-02-12 | 1966-06-10 | Ici Ltd | Procédé de fabrication de dérivés chlorés de la pyridine |
-
0
- BE BE795683D patent/BE795683A/fr not_active IP Right Cessation
-
1973
- 1973-01-08 FR FR7300486A patent/FR2172972B1/fr not_active Expired
- 1973-01-22 US US325834A patent/US3899495A/en not_active Expired - Lifetime
- 1973-02-01 GB GB499473A patent/GB1395861A/en not_active Expired
- 1973-02-19 CH CH234373A patent/CH575395A5/xx not_active IP Right Cessation
- 1973-02-21 JP JP2113373A patent/JPS5422983B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3899495A (en) | 1975-08-12 |
| DE2208007A1 (de) | 1973-09-13 |
| FR2172972A1 (fr) | 1973-10-05 |
| GB1395861A (en) | 1975-05-29 |
| CH575395A5 (fr) | 1976-05-14 |
| DE2208007B2 (de) | 1976-09-16 |
| JPS5422983B2 (fr) | 1979-08-10 |
| FR2172972B1 (fr) | 1975-08-22 |
| JPS4896592A (fr) | 1973-12-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: DEUTSCHE GOLD-UND SILBER-SCHEIDEANSTALT VORMALS R Effective date: 19880228 |