BR9304633A - Processo para preparar etalfluralina - Google Patents
Processo para preparar etalfluralinaInfo
- Publication number
- BR9304633A BR9304633A BR9304633A BR9304633A BR9304633A BR 9304633 A BR9304633 A BR 9304633A BR 9304633 A BR9304633 A BR 9304633A BR 9304633 A BR9304633 A BR 9304633A BR 9304633 A BR9304633 A BR 9304633A
- Authority
- BR
- Brazil
- Prior art keywords
- acid
- ethalfluralin
- halogenhydric
- etalfluralina
- preparing
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- PTFJIKYUEPWBMS-UHFFFAOYSA-N Ethalfluralin Chemical compound CC(=C)CN(CC)C1=C([N+]([O-])=O)C=C(C(F)(F)F)C=C1[N+]([O-])=O PTFJIKYUEPWBMS-UHFFFAOYSA-N 0.000 abstract 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 abstract 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 abstract 1
- 238000013019 agitation Methods 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- GRWZHXKQBITJKP-UHFFFAOYSA-N dithionous acid Chemical class OS(=O)S(O)=O GRWZHXKQBITJKP-UHFFFAOYSA-N 0.000 abstract 1
- -1 metabisulfites Chemical class 0.000 abstract 1
- 125000005394 methallyl group Chemical group 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 abstract 1
- LZGUHMNOBNWABZ-UHFFFAOYSA-N n-nitro-n-phenylnitramide Chemical class [O-][N+](=O)N([N+]([O-])=O)C1=CC=CC=C1 LZGUHMNOBNWABZ-UHFFFAOYSA-N 0.000 abstract 1
- 150000004005 nitrosamines Chemical class 0.000 abstract 1
- 150000003464 sulfur compounds Chemical class 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/82—Purification; Separation; Stabilisation; Use of additives
- C07C209/84—Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compounds Of Unknown Constitution (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Steroid Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITTO930667A IT1261259B (it) | 1993-09-13 | 1993-09-13 | Procedimento per la preparazione di ethalfluralin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9304633A true BR9304633A (pt) | 1995-05-02 |
Family
ID=11411726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR9304633A BR9304633A (pt) | 1993-09-13 | 1993-12-06 | Processo para preparar etalfluralina |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5405999A (pt) |
| EP (1) | EP0644178B1 (pt) |
| AT (1) | ATE151068T1 (pt) |
| AU (1) | AU655550B1 (pt) |
| BR (1) | BR9304633A (pt) |
| CA (1) | CA2110329C (pt) |
| DE (1) | DE69309464T2 (pt) |
| ES (1) | ES2101928T3 (pt) |
| IT (1) | IT1261259B (pt) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5510534A (en) * | 1995-01-04 | 1996-04-23 | Atanor S.A. | Process for reducing the nitrosamine content of herbicides |
| FR2760446B1 (fr) * | 1997-03-07 | 1999-05-14 | Rhodia Chimie Sa | Procede de decoloration d'effluents aqueux comprenant des amines aromatiques |
| US5922915A (en) * | 1998-05-11 | 1999-07-13 | Srm Chemical, Ltd., Co. | Process for removing N-nitroso compounds from organo-amine compositions including dinitroaniline herbicides |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4226789A (en) * | 1977-07-18 | 1980-10-07 | Eli Lilly And Company | Removal of nitrosamines from denitroanilines by treatment with HCl |
| DE3345157A1 (de) * | 1983-12-14 | 1985-06-27 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung von nitrosaminfreien n,n-disubstituierten nitroaromatischen aminen und deren stabilisierung gegen nitrosaminbildung |
| IT1190440B (it) * | 1985-12-18 | 1988-02-16 | Finchimica Spa | Procedimento migliorato per la purificazione della trifluralina |
| IL78948A (en) * | 1985-06-06 | 1991-03-10 | Finchimica Srl | Process for purifying crude trifluralin |
| IL79248A (en) * | 1986-06-26 | 1990-07-12 | Agan Chemical Manufacturers | Process for purifying dinitroaniline herbicides |
| US5196585A (en) * | 1990-10-02 | 1993-03-23 | Dowelanco | Process for treating dinitroanilines with sulfite to reduce impurities and to reduce the ability to produce nitrosamines |
-
1993
- 1993-09-13 IT ITTO930667A patent/IT1261259B/it active IP Right Grant
- 1993-11-22 ES ES93118735T patent/ES2101928T3/es not_active Expired - Lifetime
- 1993-11-22 DE DE69309464T patent/DE69309464T2/de not_active Expired - Fee Related
- 1993-11-22 AT AT93118735T patent/ATE151068T1/de not_active IP Right Cessation
- 1993-11-22 EP EP93118735A patent/EP0644178B1/en not_active Expired - Lifetime
- 1993-11-29 US US08/158,261 patent/US5405999A/en not_active Expired - Fee Related
- 1993-11-30 CA CA002110329A patent/CA2110329C/en not_active Expired - Fee Related
- 1993-11-30 AU AU52079/93A patent/AU655550B1/en not_active Ceased
- 1993-12-06 BR BR9304633A patent/BR9304633A/pt not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0644178B1 (en) | 1997-04-02 |
| AU655550B1 (en) | 1994-12-22 |
| EP0644178A1 (en) | 1995-03-22 |
| DE69309464T2 (de) | 1997-08-07 |
| ITTO930667A0 (it) | 1993-09-13 |
| IT1261259B (it) | 1996-05-09 |
| ES2101928T3 (es) | 1997-07-16 |
| CA2110329C (en) | 1997-10-21 |
| DE69309464D1 (de) | 1997-05-07 |
| ATE151068T1 (de) | 1997-04-15 |
| CA2110329A1 (en) | 1995-03-14 |
| ITTO930667A1 (it) | 1995-03-13 |
| US5405999A (en) | 1995-04-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Decision: intention to grant | ||
| FG9A | Patent or certificate of addition granted | ||
| B24C | Patent annual fee: request for for restoration |
Free format text: REFERENTE A 12A, 13A, 14A, 15A E 16A ANUIDADE(S). |
|
| B24H | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi) | ||
| B24F | Patent annual fee: publication cancelled |
Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2277 DE 26/08/2014 POR TER SIDO INDEVIDA. |
|
| B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE AS 12A, 13A, 14A, 15A, 16A E 17A ANUIDADES. |
|
| B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2607 DE 22-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |