ZA849703B - Processes for the preparation of nitrosamine-free n,n-disubstituted nitroaromatic amines and for the stabilization of these compounds against the formation of nitrosamines - Google Patents
Processes for the preparation of nitrosamine-free n,n-disubstituted nitroaromatic amines and for the stabilization of these compounds against the formation of nitrosaminesInfo
- Publication number
- ZA849703B ZA849703B ZA849703A ZA849703A ZA849703B ZA 849703 B ZA849703 B ZA 849703B ZA 849703 A ZA849703 A ZA 849703A ZA 849703 A ZA849703 A ZA 849703A ZA 849703 B ZA849703 B ZA 849703B
- Authority
- ZA
- South Africa
- Prior art keywords
- nitrosamine
- preparation
- nitrosamines
- stabilization
- processes
- Prior art date
Links
- 150000001412 amines Chemical class 0.000 title abstract 3
- 238000002360 preparation method Methods 0.000 title abstract 3
- 230000015572 biosynthetic process Effects 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 150000004005 nitrosamines Chemical class 0.000 title abstract 2
- 230000006641 stabilisation Effects 0.000 title abstract 2
- 238000011105 stabilization Methods 0.000 title abstract 2
- 150000001875 compounds Chemical class 0.000 title 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 239000003085 diluting agent Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- XKLJHFLUAHKGGU-UHFFFAOYSA-N nitrous amide Chemical compound ON=N XKLJHFLUAHKGGU-UHFFFAOYSA-N 0.000 abstract 1
- 239000003960 organic solvent Substances 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
- C07C209/90—Stabilisation; Use of additives
-
- 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
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 |
|---|---|
| ZA849703B true ZA849703B (en) | 1985-07-31 |
Family
ID=6216875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA849703A ZA849703B (en) | 1983-12-14 | 1984-12-13 | Processes for the preparation of nitrosamine-free n,n-disubstituted nitroaromatic amines and for the stabilization of these compounds against the formation of nitrosamines |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4638090A (xx) |
| EP (1) | EP0151725B1 (xx) |
| JP (1) | JPH0729996B2 (xx) |
| KR (1) | KR920005378B1 (xx) |
| AT (1) | ATE32710T1 (xx) |
| AU (1) | AU584316B2 (xx) |
| BR (1) | BR8406389A (xx) |
| CA (1) | CA1256902A (xx) |
| DD (1) | DD231565A5 (xx) |
| DE (2) | DE3345157A1 (xx) |
| HU (1) | HU193723B (xx) |
| IL (1) | IL73808A (xx) |
| SU (1) | SU1373315A3 (xx) |
| ZA (1) | ZA849703B (xx) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL78948A (en) * | 1985-06-06 | 1991-03-10 | Finchimica Srl | Process for purifying crude trifluralin |
| EP0322494B1 (en) * | 1987-12-29 | 1993-04-07 | 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 |
| 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 |
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 |
| US4226789A (en) * | 1977-07-18 | 1980-10-07 | Eli Lilly And Company | Removal of nitrosamines from denitroanilines by treatment with HCl |
| RO75656A (ro) * | 1977-07-18 | 1981-04-20 | Eli Lilly And Co,Us | Procedeu pentru purificarea unor dinitroaniline |
| 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 AT AT84114821T patent/ATE32710T1/de not_active IP Right Cessation
- 1984-12-06 EP EP84114821A patent/EP0151725B1/de not_active Expired
- 1984-12-10 HU HU844590A patent/HU193723B/hu not_active IP Right Cessation
- 1984-12-12 SU SU843822554A patent/SU1373315A3/ru active
- 1984-12-12 DD DD84270679A patent/DD231565A5/de unknown
- 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
- 1984-12-13 JP JP59261929A patent/JPH0729996B2/ja not_active Expired - Lifetime
- 1984-12-13 KR KR1019840007886A patent/KR920005378B1/ko not_active IP Right Cessation
- 1984-12-13 BR BR8406389A patent/BR8406389A/pt not_active IP Right Cessation
- 1984-12-13 ZA ZA849703A patent/ZA849703B/xx unknown
- 1984-12-13 CA CA000469998A patent/CA1256902A/en not_active Expired
- 1984-12-13 AU AU36653/84A patent/AU584316B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| ATE32710T1 (de) | 1988-03-15 |
| IL73808A (en) | 1988-03-31 |
| HU193723B (en) | 1987-11-30 |
| AU584316B2 (en) | 1989-05-25 |
| EP0151725A3 (en) | 1986-05-28 |
| KR920005378B1 (ko) | 1992-07-02 |
| IL73808A0 (en) | 1985-03-31 |
| JPH0729996B2 (ja) | 1995-04-05 |
| US4638090A (en) | 1987-01-20 |
| EP0151725A2 (de) | 1985-08-21 |
| KR850004577A (ko) | 1985-07-25 |
| BR8406389A (pt) | 1985-10-08 |
| EP0151725B1 (de) | 1988-03-02 |
| CA1256902A (en) | 1989-07-04 |
| AU3665384A (en) | 1985-06-20 |
| DE3469519D1 (en) | 1988-04-07 |
| DE3345157A1 (de) | 1985-06-27 |
| DD231565A5 (de) | 1986-01-02 |
| HUT37115A (en) | 1985-11-28 |
| SU1373315A3 (ru) | 1988-02-07 |
| JPS60146851A (ja) | 1985-08-02 |
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