AR221221A1 - Procedimiento para reducir la concentracion de nitrosaminas - Google Patents

Procedimiento para reducir la concentracion de nitrosaminas

Info

Publication number
AR221221A1
AR221221A1 AR273464A AR27346478A AR221221A1 AR 221221 A1 AR221221 A1 AR 221221A1 AR 273464 A AR273464 A AR 273464A AR 27346478 A AR27346478 A AR 27346478A AR 221221 A1 AR221221 A1 AR 221221A1
Authority
AR
Argentina
Prior art keywords
nitrosamines
procedure
concentration
reduce
Prior art date
Application number
AR273464A
Other languages
English (en)
Original Assignee
Lilly Co Eli
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.)
Filing date
Publication date
Application filed by Lilly Co Eli filed Critical Lilly Co Eli
Application granted granted Critical
Publication of AR221221A1 publication Critical patent/AR221221A1/es

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00Preparation of compounds containing amino groups bound to a carbon skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/82Purification; Separation; Stabilisation; Use of additives
    • C07C209/84Purification
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00Compounds containing amino groups bound to a carbon skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C211/00Compounds containing amino groups bound to a carbon skeleton
    • C07C211/43Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C07C211/44Compounds 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
    • C07C211/52Compounds 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2602/00Systems containing two condensed rings
    • C07C2602/02Systems containing two condensed rings the rings having only two atoms in common
    • C07C2602/04One of the condensed rings being a six-membered aromatic ring
    • C07C2602/10One of the condensed rings being a six-membered aromatic ring the other ring being six-membered, e.g. tetraline
AR273464A 1977-09-02 1978-08-28 Procedimiento para reducir la concentracion de nitrosaminas AR221221A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83026177A 1977-09-02 1977-09-02
US05/878,843 US4185035A (en) 1977-09-02 1978-02-17 Dinitroaniline purification with inorganic acid halides

Publications (1)

Publication Number Publication Date
AR221221A1 true AR221221A1 (es) 1981-01-15

Family

ID=27125331

Family Applications (1)

Application Number Title Priority Date Filing Date
AR273464A AR221221A1 (es) 1977-09-02 1978-08-28 Procedimiento para reducir la concentracion de nitrosaminas

Country Status (23)

Country Link
US (1) US4185035A (es)
JP (1) JPS5822103B2 (es)
AR (1) AR221221A1 (es)
AU (1) AU517691B2 (es)
BG (1) BG34333A3 (es)
BR (1) BR7805718A (es)
CA (1) CA1062729A (es)
CS (1) CS223824B2 (es)
DD (1) DD138545A5 (es)
DE (1) DE2837529C2 (es)
DK (1) DK152117C (es)
ES (1) ES473012A1 (es)
FR (1) FR2401904A1 (es)
GB (1) GB2008092B (es)
HU (1) HU179968B (es)
IE (1) IE47323B1 (es)
IL (1) IL55448A (es)
IT (1) IT1098806B (es)
MX (1) MX5334E (es)
NL (1) NL187350C (es)
PL (1) PL122762B1 (es)
RO (1) RO75820A (es)
SU (1) SU833156A3 (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2918023A1 (de) * 1979-05-04 1980-11-13 Bayer Ag Verfahren zur herstellung von n-alkylierten aromatischen aminen
DE2926947C2 (de) * 1979-07-04 1982-03-18 Hoechst Ag, 6000 Frankfurt Verfahren zur Entfernung von Nitrosierungsmittel (n) aus nitrierten aromatischen Verbindungen
EP0024503B1 (en) * 1979-08-24 1983-06-15 American Cyanamid Company N-denitration of n,2,6-trinitroanilines with phase transfer catalysts
US4391992A (en) * 1979-08-24 1983-07-05 American Cyanamid Company N-Denitration of N,2,6-trinitroanilines with phase transfer catalysts
IT1131182B (it) * 1980-05-15 1986-06-18 Montedison Spa Processo di preparazione di n-di-n-propil-2,6-dinitro-4-trifluorometilanilina a basso contenuto di nitrosammine
IL67948A (en) * 1983-02-18 1988-05-31 Agan Chemical Manufacturers Method for removal of nitrosoamine impurities from herbicides
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
US4876388A (en) * 1986-07-31 1989-10-24 IΠCI. S.p.A. Method for the purification of trifuraline
IT1195822B (it) * 1986-08-12 1988-10-27 I Pi Ci Spa Procedimento per la purificazione della trifluralina
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
ES2054704T3 (es) * 1987-12-29 1994-08-16 Finchimica Srl Un metodo para el tratamiento de dinitroanilinas para reducir su contenido de nitrosamina y/o estabilizarlas frente a la formacion de nitrosaminas.
US5461027A (en) * 1989-01-24 1995-10-24 Griffin Corporation Microencapsulated pendimethalin and method of making and using same
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
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
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE482795C (de) * 1927-02-06 1929-09-20 Chem Fab Gruenau Landshoff & M Verfahren zur Darstellung von sekundaeren Aminen aus den entsprechenden N-Nitrosoderivaten und deren Kernsubstitutionsprodukten
DE2035796A1 (de) * 1970-07-18 1972-01-27 Bayer Ag Verfahren zum Austausch von N Nitroso

Also Published As

Publication number Publication date
IT7827228A0 (it) 1978-08-31
CS223824B2 (en) 1983-11-25
DK388278A (da) 1979-03-03
BG34333A3 (en) 1983-08-15
IE781764L (en) 1979-03-02
AU517691B2 (en) 1981-08-20
DE2837529C2 (de) 1983-05-11
PL209254A1 (pl) 1979-05-07
DK152117B (da) 1988-02-01
FR2401904B1 (es) 1980-10-31
GB2008092A (en) 1979-05-31
JPS5448725A (en) 1979-04-17
GB2008092B (en) 1982-03-24
IT1098806B (it) 1985-09-18
SU833156A3 (ru) 1981-05-23
DK152117C (da) 1988-06-20
IL55448A (en) 1981-06-29
PL122762B1 (en) 1982-08-31
DE2837529A1 (de) 1979-03-08
NL187350B (nl) 1991-04-02
DD138545A5 (de) 1979-11-07
JPS5822103B2 (ja) 1983-05-06
HU179968B (en) 1983-01-28
MX5334E (es) 1983-06-24
IL55448A0 (en) 1978-10-31
ES473012A1 (es) 1979-10-16
BR7805718A (pt) 1979-04-17
AU3945278A (en) 1980-03-06
NL187350C (nl) 1991-09-02
NL7808900A (nl) 1979-03-06
FR2401904A1 (fr) 1979-03-30
CA1062729A (en) 1979-09-18
IE47323B1 (en) 1984-02-22
US4185035A (en) 1980-01-22
RO75820A (ro) 1981-03-30

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