DK0479384T3 - Fremgangsmåde til behandling af dinitroaniliner med sulfit til reduktion af urenheder og til reduktion af evne til at danne nitrosaminer - Google Patents

Fremgangsmåde til behandling af dinitroaniliner med sulfit til reduktion af urenheder og til reduktion af evne til at danne nitrosaminer

Info

Publication number: DK0479384T3
Authority: DK; Denmark
Prior art keywords: reduce; treating; dinitroanilines; sulfite; ability
Prior art date: 1990-10-02

Application number

DK91202557.4T

Other languages

Danish (da)

English (en)

Inventor

David D Wirth

Original Assignee

Dowelanco

Priority date (The priority date 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 date listed.)

1990-10-02

Filing date

1991-10-01

Publication date

1995-01-02

1991-10-01 Application filed by Dowelanco filed Critical Dowelanco

1995-01-02 Application granted granted Critical

1995-01-02 Publication of DK0479384T3 publication Critical patent/DK0479384T3/da

Links

LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 title abstract 2
239000012535 impurity Substances 0.000 title abstract 2
150000004005 nitrosamines Chemical class 0.000 title abstract 2
CGNBQYFXGQHUQP-UHFFFAOYSA-N 2,3-dinitroaniline Chemical class NC1=CC=CC([N+]([O-])=O)=C1[N+]([O-])=O CGNBQYFXGQHUQP-UHFFFAOYSA-N 0.000 title 1
230000015572 biosynthetic process Effects 0.000 abstract 1
230000002363 herbicidal effect Effects 0.000 abstract 1
239000004009 herbicide Substances 0.000 abstract 1
LZGUHMNOBNWABZ-UHFFFAOYSA-N n-nitro-n-phenylnitramide Chemical compound [O-][N+](=O)N([N+]([O-])=O)C1=CC=CC=C1 LZGUHMNOBNWABZ-UHFFFAOYSA-N 0.000 abstract 1
230000000087 stabilizing effect Effects 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
- 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
- C07C211/44—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 only one six-membered aromatic ring
- C07C211/52—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 only one six-membered aromatic ring 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)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)

DK91202557.4T 1990-10-02 1991-10-01 Fremgangsmåde til behandling af dinitroaniliner med sulfit til reduktion af urenheder og til reduktion af evne til at danne nitrosaminer DK0479384T3 (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/591,590 US5196585A (en)	1990-10-02	1990-10-02	Process for treating dinitroanilines with sulfite to reduce impurities and to reduce the ability to produce nitrosamines

Publications (1)

Publication Number	Publication Date
DK0479384T3 true DK0479384T3 (da)	1995-01-02

Family

ID=24367069

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK91202557.4T DK0479384T3 (da)	1990-10-02	1991-10-01	Fremgangsmåde til behandling af dinitroaniliner med sulfit til reduktion af urenheder og til reduktion af evne til at danne nitrosaminer

Country Status (16)

Country	Link
US (1)	US5196585A (de)
EP (1)	EP0479384B1 (de)
JP (1)	JP2992384B2 (de)
KR (1)	KR100195771B1 (de)
AT (1)	ATE110053T1 (de)
AU (1)	AU639141B2 (de)
BR (1)	BR9104242A (de)
CA (1)	CA2052560C (de)
DE (1)	DE69103504T2 (de)
DK (1)	DK0479384T3 (de)
ES (1)	ES2059043T3 (de)
FI (1)	FI107147B (de)
HU (1)	HU210906B (de)
IL (1)	IL99619A (de)
MX (1)	MX9101401A (de)
RO (1)	RO109843B1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1261259B (it) *	1993-09-13	1996-05-09	Finchimica Srl	Procedimento per la preparazione di ethalfluralin
US5510534A (en) *	1995-01-04	1996-04-23	Atanor S.A.	Process for reducing the nitrosamine content of herbicides
US5728881A (en) *	1997-03-05	1998-03-17	Srm Chemical, Ltd. Co.	Process for preparing trifluralin
FR2760446B1 (fr) *	1997-03-07	1999-05-14	Rhodia Chimie Sa	Procede de decoloration d'effluents aqueux comprenant des amines aromatiques
US6004482A (en) *	1997-12-24	1999-12-21	Bayer Corporation	Stable aromatic amine composition, and a process for preparing color stable aromatic amines
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
CN101891634B (zh) *	2010-07-20	2013-04-03	涟水永安化工有限公司	一种二甲戊灵的提纯方法
CN102701989B (zh) *	2012-05-24	2013-11-13	山东华阳农药化工集团有限公司	二硝基苯胺类除草剂中的亚硝胺脱除方法
CN102766056B (zh) *	2012-08-13	2014-07-02	江西盾牌化工有限责任公司	一种化学除草剂仲丁灵原药含量达90±1%的制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA697087A (en) *		1964-11-03	W. Buls Vernon	Decolorization process
US4139562A (en) *	1978-03-13	1979-02-13	Mitsui Toatsu Chemicals, Inc.	Process for purifying crude p-aminophenol
US4440962A (en) *	1982-04-22	1984-04-03	Oxon Italia S.P.A.	Process for removing nitrosating agents from 1-chloro-2,6-dinitro-4-(trifluoromethyl) benzene
US4501608A (en) *	1983-05-16	1985-02-26	Eli Lilly And Company	Nitrosamine inhibition
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
AU608808B2 (en) *	1987-03-02	1991-04-18	Ici Australia Operations Proprietary Limited	Process for removing impurity

1990
- 1990-10-02 US US07/591,590 patent/US5196585A/en not_active Expired - Fee Related
1991
- 1991-09-27 BR BR919104242A patent/BR9104242A/pt not_active IP Right Cessation
- 1991-09-30 AU AU84884/91A patent/AU639141B2/en not_active Ceased
- 1991-10-01 DK DK91202557.4T patent/DK0479384T3/da active
- 1991-10-01 KR KR1019910017186A patent/KR100195771B1/ko not_active Expired - Fee Related
- 1991-10-01 MX MX9101401A patent/MX9101401A/es not_active IP Right Cessation
- 1991-10-01 DE DE69103504T patent/DE69103504T2/de not_active Expired - Fee Related
- 1991-10-01 ES ES91202557T patent/ES2059043T3/es not_active Expired - Lifetime
- 1991-10-01 FI FI914610A patent/FI107147B/fi active
- 1991-10-01 EP EP91202557A patent/EP0479384B1/de not_active Expired - Lifetime
- 1991-10-01 JP JP3280690A patent/JP2992384B2/ja not_active Expired - Lifetime
- 1991-10-01 AT AT91202557T patent/ATE110053T1/de not_active IP Right Cessation
- 1991-10-01 IL IL9961991A patent/IL99619A/en active IP Right Grant
- 1991-10-01 CA CA002052560A patent/CA2052560C/en not_active Expired - Fee Related
- 1991-10-01 HU HU913133A patent/HU210906B/hu not_active IP Right Cessation
- 1991-10-01 RO RO148483A patent/RO109843B1/ro unknown

Also Published As

Publication number	Publication date
CA2052560A1 (en)	1992-04-03
JPH04264059A (ja)	1992-09-18
DE69103504T2 (de)	1994-12-08
FI107147B (fi)	2001-06-15
EP0479384B1 (de)	1994-08-17
MX9101401A (es)	1992-06-30
CA2052560C (en)	2002-04-09
BR9104242A (pt)	1992-06-02
RO109843B1 (ro)	1995-06-30
HU210906B (en)	1995-09-28
KR920007982A (ko)	1992-05-27
FI914610L (fi)	1992-04-03
JP2992384B2 (ja)	1999-12-20
DE69103504D1 (de)	1994-09-22
AU639141B2 (en)	1993-07-15
ES2059043T3 (es)	1994-11-01
AU8488491A (en)	1992-04-09
US5196585A (en)	1993-03-23
FI914610A0 (fi)	1991-10-01
HUT61720A (en)	1993-03-01
ATE110053T1 (de)	1994-09-15
EP0479384A1 (de)	1992-04-08
KR100195771B1 (ko)	1999-06-15
IL99619A (en)	1995-12-31
HU913133D0 (en)	1992-01-28

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