DE2128540A1 - Verfahren zur Herstellung von halogenierten Pyridinderivaten - Google Patents
Verfahren zur Herstellung von halogenierten PyridinderivatenInfo
- Publication number
- DE2128540A1 DE2128540A1 DE19712128540 DE2128540A DE2128540A1 DE 2128540 A1 DE2128540 A1 DE 2128540A1 DE 19712128540 DE19712128540 DE 19712128540 DE 2128540 A DE2128540 A DE 2128540A DE 2128540 A1 DE2128540 A1 DE 2128540A1
- Authority
- DE
- Germany
- Prior art keywords
- starting material
- solvent
- mixture
- fluoride
- difluoro
- 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.)
- Pending
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 |
|---|---|---|---|
| GB2754270 | 1970-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2128540A1 true DE2128540A1 (de) | 1971-12-16 |
Family
ID=10261291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712128540 Pending DE2128540A1 (de) | 1970-06-08 | 1971-06-08 | Verfahren zur Herstellung von halogenierten Pyridinderivaten |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE768204A (enExample) |
| CA (1) | CA926402A (enExample) |
| DE (1) | DE2128540A1 (enExample) |
| FR (1) | FR2096028A5 (enExample) |
| GB (1) | GB1306517A (enExample) |
| IL (1) | IL36988A0 (enExample) |
| NL (1) | NL7107817A (enExample) |
| ZA (1) | ZA713474B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0270221A1 (en) * | 1986-10-22 | 1988-06-08 | Dowelanco | Method of preparation of 3,5-dichloro-2,4,6-trifluoropyridine |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4071521A (en) * | 1976-08-23 | 1978-01-31 | The Dow Chemical Company | Process for making 2,6-difluoro pyridine |
| US4031100A (en) * | 1976-08-23 | 1977-06-21 | The Dow Chemical Company | Process for making 2,6-difluoropyridine |
| DE3478681D1 (en) * | 1983-02-18 | 1989-07-20 | Nippon Catalytic Chem Ind | Organic fluorine compounds |
| US4713231A (en) * | 1986-07-21 | 1987-12-15 | The Dow Chemical Company | Process for the recovery of ammonia and fluoride values from ammonium fluoride solutions |
| IL128397A0 (en) * | 1999-02-01 | 2000-01-31 | Makheteshim Chemical Works Ltd | Improved method for the preparation of 3,5-dichloro-2,4,6-trifluoropyridine |
-
1970
- 1970-06-08 GB GB2754270A patent/GB1306517A/en not_active Expired
-
1971
- 1971-05-28 ZA ZA713474A patent/ZA713474B/xx unknown
- 1971-05-28 CA CA114274A patent/CA926402A/en not_active Expired
- 1971-06-04 IL IL36988A patent/IL36988A0/xx unknown
- 1971-06-07 FR FR7120598A patent/FR2096028A5/fr not_active Expired
- 1971-06-07 BE BE768204A patent/BE768204A/xx unknown
- 1971-06-08 NL NL7107817A patent/NL7107817A/xx unknown
- 1971-06-08 DE DE19712128540 patent/DE2128540A1/de active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0270221A1 (en) * | 1986-10-22 | 1988-06-08 | Dowelanco | Method of preparation of 3,5-dichloro-2,4,6-trifluoropyridine |
Also Published As
| Publication number | Publication date |
|---|---|
| BE768204A (fr) | 1971-12-07 |
| FR2096028A5 (enExample) | 1972-02-11 |
| IL36988A0 (en) | 1971-08-25 |
| ZA713474B (en) | 1972-01-26 |
| GB1306517A (en) | 1973-02-14 |
| NL7107817A (enExample) | 1971-12-10 |
| CA926402A (en) | 1973-05-15 |
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