BR8703778A - Processo para preparar uma policloro piridina - Google Patents
Processo para preparar uma policloro piridinaInfo
- Publication number
- BR8703778A BR8703778A BR8703778A BR8703778A BR8703778A BR 8703778 A BR8703778 A BR 8703778A BR 8703778 A BR8703778 A BR 8703778A BR 8703778 A BR8703778 A BR 8703778A BR 8703778 A BR8703778 A BR 8703778A
- Authority
- BR
- Brazil
- Prior art keywords
- polychlorus
- pyridine
- prepare
- pyridine polychlorus
- 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)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/889,052 US4705859A (en) | 1986-07-22 | 1986-07-22 | Polychloropyridine production from polychloro-2,3-lutidines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8703778A true BR8703778A (pt) | 1988-03-29 |
Family
ID=25394430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8703778A BR8703778A (pt) | 1986-07-22 | 1987-07-21 | Processo para preparar uma policloro piridina |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4705859A (pt) |
| EP (1) | EP0254053A1 (pt) |
| JP (1) | JPS6339861A (pt) |
| AU (1) | AU591567B2 (pt) |
| BR (1) | BR8703778A (pt) |
| IL (1) | IL83096A (pt) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4849523A (en) * | 1986-01-10 | 1989-07-18 | The Dow Chemical Company | Preparation of 2,3,4,6-tetrachloropyridine |
| US4785112A (en) * | 1987-05-13 | 1988-11-15 | The Dow Chemical Company | Process for the production of 2,3,5,6-tetrachloropyridine and 2,3,6-trichloropyridine |
| US5229520A (en) * | 1991-10-22 | 1993-07-20 | Dowelanco | Polychlorodipyridoimidazolium compounds and their use in the preparation of pentachloropyridine |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3186994A (en) * | 1962-10-18 | 1965-06-01 | Dow Chemical Co | Polychloropyridines |
| US3420833A (en) * | 1967-09-08 | 1969-01-07 | Dow Chemical Co | Vapor phase production of polychlorinated compounds |
| US3538100A (en) * | 1968-03-15 | 1970-11-03 | Olin Corp | Process for preparing highly chlorinated pyridines |
| US3732230A (en) * | 1970-12-07 | 1973-05-08 | Dow Chemical Co | Liquid phase polychlorination of pyridine hydrochlorides |
| US3709894A (en) * | 1971-02-11 | 1973-01-09 | Research Corp | Thieno(3,4-b)pyridine and thieno(3,4-c)pyridine |
| US4256894A (en) * | 1978-04-24 | 1981-03-17 | The Dow Chemical Company | Preparation of chlorinated pyridines |
| CA1089468A (en) * | 1978-04-24 | 1980-11-11 | The Dow Chemical Company | Process for preparing 2,3,5,6-tetrachloropyridine and pentachloropyridine |
| CA1084936A (en) * | 1978-06-19 | 1980-09-02 | Dow Chemical Company | Preparation of polychlorinated pyridines from 2,4- dichloro-6-(trichloromethyl) pyridines |
| US4227001A (en) * | 1978-06-19 | 1980-10-07 | The Dow Chemical Company | Preparation of polychlorinated pyridines from 2,4-dichloro-6-(trichloro methyl)pyridine |
| US4577027A (en) * | 1982-09-24 | 1986-03-18 | Kalama Chemical, Inc. | Production of polychlorinated pyridine mixtures by direct liquid phase chlorination of alpha-picoline |
| US4563531A (en) * | 1982-09-24 | 1986-01-07 | Kalama Chemical Inc. | Process for producing 2,3,5-trichloropyridine |
| US4483993A (en) * | 1983-04-08 | 1984-11-20 | Kalama Chemical, Inc. | Production of polychlorinated pyridine mixtures by liquid phase chlorination of beta-picoline or beta-picoline hydrochloride |
| US4507486A (en) * | 1983-04-19 | 1985-03-26 | Kalama Chemical, Inc. | Production of polychlorinated pyridine mixtures by liquid phase chlorination of 3,5-lutidine or 3,5-lutidine hydrochloride |
| EP0204848B1 (en) * | 1985-05-31 | 1989-11-23 | The Dow Chemical Company | Preparation of symmetrical tetrachloropyridine from chlorinated beta - (trichloromethyl) pyridines employing a catalyst |
-
1986
- 1986-07-22 US US06/889,052 patent/US4705859A/en not_active Expired - Lifetime
-
1987
- 1987-06-23 EP EP87108990A patent/EP0254053A1/en not_active Withdrawn
- 1987-07-02 AU AU75031/87A patent/AU591567B2/en not_active Ceased
- 1987-07-06 IL IL83096A patent/IL83096A/xx not_active IP Right Cessation
- 1987-07-21 BR BR8703778A patent/BR8703778A/pt unknown
- 1987-07-22 JP JP62183255A patent/JPS6339861A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US4705859A (en) | 1987-11-10 |
| EP0254053A1 (en) | 1988-01-27 |
| JPS6339861A (ja) | 1988-02-20 |
| AU7503187A (en) | 1988-01-28 |
| IL83096A (en) | 1991-06-30 |
| AU591567B2 (en) | 1989-12-07 |
| IL83096A0 (en) | 1987-12-31 |
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