DD231565A5 - Verfahren zur herstellung von nitrosaminfreien n,n-disubstituierten nitroaromatischen aminen - Google Patents
Verfahren zur herstellung von nitrosaminfreien n,n-disubstituierten nitroaromatischen aminen Download PDFInfo
- Publication number
- DD231565A5 DD231565A5 DD84270679A DD27067984A DD231565A5 DD 231565 A5 DD231565 A5 DD 231565A5 DD 84270679 A DD84270679 A DD 84270679A DD 27067984 A DD27067984 A DD 27067984A DD 231565 A5 DD231565 A5 DD 231565A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- nitrosamine
- acid
- disubstituted
- amines
- amine
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C211/54—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings
- C07C211/56—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to two or three six-membered aromatic rings the carbon skeleton being further substituted by halogen atoms or by nitro or nitroso groups
-
- 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
- C07C209/90—Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19833345157 DE3345157A1 (de) | 1983-12-14 | 1983-12-14 | Verfahren zur herstellung von nitrosaminfreien n,n-disubstituierten nitroaromatischen aminen und deren stabilisierung gegen nitrosaminbildung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD231565A5 true DD231565A5 (de) | 1986-01-02 |
Family
ID=6216875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD84270679A DD231565A5 (de) | 1983-12-14 | 1984-12-12 | Verfahren zur herstellung von nitrosaminfreien n,n-disubstituierten nitroaromatischen aminen |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4638090A (fr) |
| EP (1) | EP0151725B1 (fr) |
| JP (1) | JPH0729996B2 (fr) |
| KR (1) | KR920005378B1 (fr) |
| AT (1) | ATE32710T1 (fr) |
| AU (1) | AU584316B2 (fr) |
| BR (1) | BR8406389A (fr) |
| CA (1) | CA1256902A (fr) |
| DD (1) | DD231565A5 (fr) |
| DE (2) | DE3345157A1 (fr) |
| HU (1) | HU193723B (fr) |
| IL (1) | IL73808A (fr) |
| SU (1) | SU1373315A3 (fr) |
| ZA (1) | ZA849703B (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL78948A (en) * | 1985-06-06 | 1991-03-10 | Finchimica Srl | Process for purifying crude trifluralin |
| EP0322494B1 (fr) * | 1987-12-29 | 1993-04-07 | FINCHIMICA S.p.A. | Méthode de traitement de dinitroanilines afin de réduire le taux de nitrosamine et/ou de les stabiliser contre la formation de nitrosamines |
| AU594850B2 (en) * | 1987-12-29 | 1990-03-15 | Finchimica S.P.A. | A method for the treatment of dinitroanilines to reduce their nitrosamine content and/or to stabilise them against the formation of nitrosamines |
| US5160530A (en) * | 1989-01-24 | 1992-11-03 | Griffin Corporation | Microencapsulated polymorphic agriculturally active material |
| 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 |
| IT1261259B (it) * | 1993-09-13 | 1996-05-09 | Finchimica Srl | Procedimento per la preparazione di ethalfluralin |
| US5728881A (en) * | 1997-03-05 | 1998-03-17 | Srm Chemical, Ltd. Co. | Process for preparing trifluralin |
| CN120172855A (zh) * | 2025-05-21 | 2025-06-20 | 山东道可化学有限公司 | 一种氟乐灵中亚硝胺的去除方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4136117A (en) * | 1973-06-25 | 1979-01-23 | American Cyanamid Company | Preparation of 2,6-dinitroanilines |
| RO75656A (fr) * | 1977-07-18 | 1981-04-20 | Eli Lilly And Co,Us | Procede pour la purification des dinitroanilines |
| US4226789A (en) * | 1977-07-18 | 1980-10-07 | Eli Lilly And Company | Removal of nitrosamines from denitroanilines by treatment with HCl |
| US4127610A (en) * | 1977-08-17 | 1978-11-28 | Eli Lilly And Company | Dinitroaniline purification with bromine and chlorine |
| US4185035A (en) * | 1977-09-02 | 1980-01-22 | Eli Lilly And Company | Dinitroaniline purification with inorganic acid halides |
| US4120905A (en) * | 1977-09-21 | 1978-10-17 | Eli Lilly And Company | Removal of nitrosating agents |
| JPS5740446A (en) * | 1980-08-25 | 1982-03-06 | Nippon Kayaku Co Ltd | Method for reducing nitrosamine-content in 2,6- dinitroaniline derivative |
-
1983
- 1983-12-14 DE DE19833345157 patent/DE3345157A1/de not_active Withdrawn
-
1984
- 1984-12-06 DE DE8484114821T patent/DE3469519D1/de not_active Expired
- 1984-12-06 EP EP84114821A patent/EP0151725B1/fr not_active Expired
- 1984-12-06 AT AT84114821T patent/ATE32710T1/de not_active IP Right Cessation
- 1984-12-10 HU HU844590A patent/HU193723B/hu not_active IP Right Cessation
- 1984-12-12 IL IL73808A patent/IL73808A/xx not_active IP Right Cessation
- 1984-12-12 US US06/680,750 patent/US4638090A/en not_active Expired - Lifetime
- 1984-12-12 SU SU843822554A patent/SU1373315A3/ru active
- 1984-12-12 DD DD84270679A patent/DD231565A5/de unknown
- 1984-12-13 CA CA000469998A patent/CA1256902A/fr not_active Expired
- 1984-12-13 BR BR8406389A patent/BR8406389A/pt not_active IP Right Cessation
- 1984-12-13 KR KR1019840007886A patent/KR920005378B1/ko not_active Expired
- 1984-12-13 JP JP59261929A patent/JPH0729996B2/ja not_active Expired - Lifetime
- 1984-12-13 AU AU36653/84A patent/AU584316B2/en not_active Ceased
- 1984-12-13 ZA ZA849703A patent/ZA849703B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0151725A2 (fr) | 1985-08-21 |
| DE3345157A1 (de) | 1985-06-27 |
| HU193723B (en) | 1987-11-30 |
| KR850004577A (ko) | 1985-07-25 |
| IL73808A0 (en) | 1985-03-31 |
| US4638090A (en) | 1987-01-20 |
| HUT37115A (en) | 1985-11-28 |
| AU3665384A (en) | 1985-06-20 |
| ATE32710T1 (de) | 1988-03-15 |
| CA1256902A (fr) | 1989-07-04 |
| ZA849703B (en) | 1985-07-31 |
| EP0151725B1 (fr) | 1988-03-02 |
| IL73808A (en) | 1988-03-31 |
| EP0151725A3 (en) | 1986-05-28 |
| BR8406389A (pt) | 1985-10-08 |
| JPS60146851A (ja) | 1985-08-02 |
| KR920005378B1 (ko) | 1992-07-02 |
| JPH0729996B2 (ja) | 1995-04-05 |
| AU584316B2 (en) | 1989-05-25 |
| SU1373315A3 (ru) | 1988-02-07 |
| DE3469519D1 (en) | 1988-04-07 |
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