ES464437A1 - Procedimiento para la obtencion de tetracloropirimidina. - Google Patents
Procedimiento para la obtencion de tetracloropirimidina.Info
- Publication number
- ES464437A1 ES464437A1 ES464437A ES464437A ES464437A1 ES 464437 A1 ES464437 A1 ES 464437A1 ES 464437 A ES464437 A ES 464437A ES 464437 A ES464437 A ES 464437A ES 464437 A1 ES464437 A1 ES 464437A1
- Authority
- ES
- Spain
- Prior art keywords
- chlorine
- tetrachloropyrimidine
- preparation
- mols
- radical
- 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
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/30—Halogen atoms or nitro radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyridine Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Abstract
Procedimiento para la obtención de tetracloropirimidinacaracterizado porque compuestos de fórmula***(Ver fórmula)donde R significa un resto disociable bajo las condiciones de reacción y R' significa un resto alquilo inferioren caso dado sustituidose hace reaccionar con cloro o compuestos rededores de cloropreferentemente a temperaturas de 0 hasta 150ºC y con más de 75 moles de cloropreferentemente 8 hasta 9 moles de cloro.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762653616 DE2653616A1 (de) | 1976-11-25 | 1976-11-25 | Verfahren zur herstellung von tetrachlorpyrimidin |
Publications (1)
Publication Number | Publication Date |
---|---|
ES464437A1 true ES464437A1 (es) | 1978-08-01 |
Family
ID=5993981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES464437A Expired ES464437A1 (es) | 1976-11-25 | 1977-11-24 | Procedimiento para la obtencion de tetracloropirimidina. |
Country Status (9)
Country | Link |
---|---|
US (1) | US4125723A (es) |
JP (1) | JPS5365885A (es) |
BE (1) | BE861148A (es) |
BR (1) | BR7707808A (es) |
DD (1) | DD133564A5 (es) |
DE (1) | DE2653616A1 (es) |
ES (1) | ES464437A1 (es) |
FR (1) | FR2372158A1 (es) |
GB (1) | GB1560436A (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4426449A (en) | 1981-12-14 | 1984-01-17 | Cetus Corporation | Method for producing vicinal dihalogenated products |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1545314A (fr) * | 1967-06-08 | 1968-11-08 | Bayer Ag | Procédé de préparation de trichloro- et tétrachloropyrimidines |
DE1933784C3 (de) * | 1969-07-03 | 1974-07-11 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Tetrachlorpyrimidin |
DE2451630A1 (de) * | 1974-10-30 | 1976-05-06 | Bayer Ag | Verfahren zur herstellung von tetrachlorpyrimidin |
US3997554A (en) * | 1975-03-05 | 1976-12-14 | The Dow Chemical Company | N,N-di(carbonyl chlorides) of N,N'-alkylene ureas |
-
1976
- 1976-11-25 DE DE19762653616 patent/DE2653616A1/de not_active Withdrawn
-
1977
- 1977-11-14 US US05/851,309 patent/US4125723A/en not_active Expired - Lifetime
- 1977-11-22 JP JP13957077A patent/JPS5365885A/ja active Pending
- 1977-11-23 DD DD7700202218A patent/DD133564A5/xx unknown
- 1977-11-23 GB GB48764/77A patent/GB1560436A/en not_active Expired
- 1977-11-24 ES ES464437A patent/ES464437A1/es not_active Expired
- 1977-11-24 BE BE182889A patent/BE861148A/xx unknown
- 1977-11-24 BR BR7707808A patent/BR7707808A/pt unknown
- 1977-11-24 FR FR7735348A patent/FR2372158A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB1560436A (en) | 1980-02-06 |
DE2653616A1 (de) | 1978-06-01 |
BE861148A (fr) | 1978-05-24 |
US4125723A (en) | 1978-11-14 |
DD133564A5 (de) | 1979-01-10 |
BR7707808A (pt) | 1978-06-13 |
FR2372158A1 (fr) | 1978-06-23 |
JPS5365885A (en) | 1978-06-12 |
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