DE69018261D1 - Verbessertes verfahren zur herstellung von 1,2,4-triazol-5-on mit niedrigem chlorgehalt. - Google Patents
Verbessertes verfahren zur herstellung von 1,2,4-triazol-5-on mit niedrigem chlorgehalt.Info
- Publication number
- DE69018261D1 DE69018261D1 DE69018261T DE69018261T DE69018261D1 DE 69018261 D1 DE69018261 D1 DE 69018261D1 DE 69018261 T DE69018261 T DE 69018261T DE 69018261 T DE69018261 T DE 69018261T DE 69018261 D1 DE69018261 D1 DE 69018261D1
- Authority
- DE
- Germany
- Prior art keywords
- triazol
- producing
- improved method
- low chlorine
- chlorine
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
- C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
- C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
- C07D249/10—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles 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
- C07D249/12—Oxygen or sulfur atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/345,376 US4927940A (en) | 1989-05-01 | 1989-05-01 | Process for low chloride 1,2,4-triazol-5-one |
PCT/US1990/002259 WO1990013543A1 (en) | 1989-05-01 | 1990-04-25 | Improved process for low chloride 1,2,4-triazol-5-one |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69018261D1 true DE69018261D1 (de) | 1995-05-04 |
DE69018261T2 DE69018261T2 (de) | 1995-07-27 |
Family
ID=23354800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69018261T Expired - Fee Related DE69018261T2 (de) | 1989-05-01 | 1990-04-25 | Verbessertes verfahren zur herstellung von 1,2,4-triazol-5-on mit niedrigem chlorgehalt. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4927940A (de) |
EP (1) | EP0471001B1 (de) |
JP (1) | JP2851162B2 (de) |
AU (1) | AU5639190A (de) |
DE (1) | DE69018261T2 (de) |
WO (1) | WO1990013543A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5112983A (en) * | 1987-09-28 | 1992-05-12 | Olin Corporation | Process for producing 1,2,4-triazol-5-one using organic sulfonic acids and polymers thereof as a catalyst |
WO2009039255A1 (en) * | 2007-09-19 | 2009-03-26 | Albemarle Corporation | Methods for production of 1,2,4-triazol-3-one |
ATE516276T1 (de) | 2007-09-19 | 2011-07-15 | Albemarle Corp | Verfahren zur herstellung von 1,2,4-triazol-3-one |
FR3004178B1 (fr) | 2013-04-08 | 2015-04-24 | Herakles | Obtention de solutions d'ota en milieu acide sulfurique concentre; lesdites solutions, preparation d'onta |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2763661A (en) * | 1955-03-22 | 1956-09-18 | Olin Mathieson | Process for preparation of 3-substituted-1,2,4-triazoles |
US3922162A (en) * | 1974-03-28 | 1975-11-25 | Velsicol Chemical Corp | 2-Alkyl-4-aryl-1,2,4-triazolidin-3-ones |
US3890342A (en) * | 1974-03-28 | 1975-06-17 | Velsicol Chemical Corp | 2-Alkyl-4-aryl-1,2,4-triazolidin-3-ones |
DE3267240D1 (en) * | 1981-04-09 | 1985-12-12 | Hoechst Ag | Process for the preparation of substituted 3-hydroxy-1,2,4-triazoles |
US4482738A (en) * | 1983-08-01 | 1984-11-13 | Olin Corporation | Process for preparing semicarbazide hydrochloride |
FR2584066B1 (fr) * | 1985-06-28 | 1987-08-07 | Poudres & Explosifs Ste Nale | Utilisation du 5-oxo 3-nitro, 1,2,4-triazole comme substance explosive et compositions pyrotechniques contenant du 5-oxo 3-nitro 1,2,4-triazole. |
US4733610A (en) * | 1987-01-30 | 1988-03-29 | The United States Of America As Represented By The United States Department Of Energy | 3-nitro-1,2,4-triazol-5-one, a less sensitive explosive |
-
1989
- 1989-05-01 US US07/345,376 patent/US4927940A/en not_active Expired - Lifetime
-
1990
- 1990-04-25 AU AU56391/90A patent/AU5639190A/en not_active Abandoned
- 1990-04-25 JP JP2507518A patent/JP2851162B2/ja not_active Expired - Lifetime
- 1990-04-25 WO PCT/US1990/002259 patent/WO1990013543A1/en active IP Right Grant
- 1990-04-25 DE DE69018261T patent/DE69018261T2/de not_active Expired - Fee Related
- 1990-04-25 EP EP90907597A patent/EP0471001B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0471001B1 (de) | 1995-03-29 |
JP2851162B2 (ja) | 1999-01-27 |
WO1990013543A1 (en) | 1990-11-15 |
US4927940A (en) | 1990-05-22 |
EP0471001A1 (de) | 1992-02-19 |
DE69018261T2 (de) | 1995-07-27 |
JPH04504725A (ja) | 1992-08-20 |
EP0471001A4 (en) | 1992-05-06 |
AU5639190A (en) | 1990-11-29 |
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DE69018261D1 (de) | Verbessertes verfahren zur herstellung von 1,2,4-triazol-5-on mit niedrigem chlorgehalt. | |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |