NL188694C - Werkwijze voor de verlaging van de concentratie van nitroseermiddelen in 1-chloor-2,6-dinitro-4-(trifluormethyl)-benzeen. - Google Patents

Werkwijze voor de verlaging van de concentratie van nitroseermiddelen in 1-chloor-2,6-dinitro-4-(trifluormethyl)-benzeen.

Info

Publication number
NL188694C
NL188694C NLAANVRAGE7809632,A NL7809632A NL188694C NL 188694 C NL188694 C NL 188694C NL 7809632 A NL7809632 A NL 7809632A NL 188694 C NL188694 C NL 188694C
Authority
NL
Netherlands
Prior art keywords
dinitro
trifluoromethyl
chloro
benzene
nitroses
Prior art date
Application number
NLAANVRAGE7809632,A
Other languages
English (en)
Dutch (nl)
Other versions
NL7809632A (nl
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
Publication of NL7809632A publication Critical patent/NL7809632A/xx
Application granted granted Critical
Publication of NL188694C publication Critical patent/NL188694C/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06Preparation of nitro compounds
    • C07C201/16Separation; Purification; Stabilisation; Use of additives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/07Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by halogen atoms
    • C07C205/11Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by halogen atoms having nitro groups bound to carbon atoms of six-membered aromatic rings
    • C07C205/12Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by halogen atoms having nitro groups bound to carbon atoms of six-membered aromatic rings the six-membered aromatic ring or a condensed ring system containing that ring being substituted by halogen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/68Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
    • C07C209/74Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton by halogenation, hydrohalogenation, dehalogenation, or dehydrohalogenation
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NLAANVRAGE7809632,A 1977-09-21 1978-09-21 Werkwijze voor de verlaging van de concentratie van nitroseermiddelen in 1-chloor-2,6-dinitro-4-(trifluormethyl)-benzeen. NL188694C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/835,087 US4120905A (en) 1977-09-21 1977-09-21 Removal of nitrosating agents

Publications (2)

Publication Number Publication Date
NL7809632A NL7809632A (nl) 1979-03-23
NL188694C true NL188694C (nl) 1992-09-01

Family

ID=25268542

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7809632,A NL188694C (nl) 1977-09-21 1978-09-21 Werkwijze voor de verlaging van de concentratie van nitroseermiddelen in 1-chloor-2,6-dinitro-4-(trifluormethyl)-benzeen.

Country Status (22)

Country Link
US (1) US4120905A (xx)
JP (1) JPS5840940B2 (xx)
AR (1) AR218686A1 (xx)
AU (1) AU517729B2 (xx)
BE (1) BE870613A (xx)
BR (1) BR7806183A (xx)
CA (1) CA1080749A (xx)
CS (1) CS199222B2 (xx)
DD (1) DD138973A5 (xx)
DE (1) DE2840551C2 (xx)
DK (1) DK151955C (xx)
ES (1) ES473527A1 (xx)
FR (1) FR2403988A1 (xx)
GB (1) GB2004874B (xx)
HU (1) HU179462B (xx)
IE (1) IE47442B1 (xx)
IL (1) IL55584A (xx)
IT (1) IT1099110B (xx)
MX (1) MX5653E (xx)
NL (1) NL188694C (xx)
PL (1) PL118036B1 (xx)
ZA (1) ZA785344B (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3061492D1 (en) * 1979-05-21 1983-02-03 Hoechst Ag Process for the removal of nitrozation agents from nitrated aromatic compounds
DE2920448C3 (de) * 1979-05-21 1982-02-11 Hoechst Ag, 6000 Frankfurt Verfahren zur Entfernung von Nitrosierungsmittel (n) aus nitrierten aromatischen Verbindungen
DE2926947C2 (de) * 1979-07-04 1982-03-18 Hoechst Ag, 6000 Frankfurt Verfahren zur Entfernung von Nitrosierungsmittel (n) aus nitrierten aromatischen Verbindungen
US4391992A (en) * 1979-08-24 1983-07-05 American Cyanamid Company N-Denitration of N,2,6-trinitroanilines with phase transfer catalysts
US4331819A (en) * 1980-04-24 1982-05-25 E. I. Du Pont De Nemours And Company Water removal in nitration of aromatic hydrocarbons
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
SU1616514A3 (ru) * 1982-04-22 1990-12-23 Оксон Италия С.П.А. (Фирма) Способ очистки 1-хлор-2,6-динитро-4-(трифторметил)бензола
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
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
US5728881A (en) * 1997-03-05 1998-03-17 Srm Chemical, Ltd. Co. Process for preparing trifluralin

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2669576A (en) * 1944-12-30 1954-02-16 Alfred T Blomquist Method of improving the properties of certain explosives
US2876267A (en) * 1957-02-15 1959-03-03 Gen Aniline & Film Corp Purification of 4-chloronitrotoluenes

Also Published As

Publication number Publication date
BR7806183A (pt) 1979-04-17
PL209749A1 (pl) 1979-06-04
AU517729B2 (en) 1981-08-20
NL7809632A (nl) 1979-03-23
FR2403988A1 (fr) 1979-04-20
IL55584A0 (en) 1978-12-17
CA1080749A (en) 1980-07-01
HU179462B (en) 1982-10-28
DE2840551C2 (de) 1984-09-27
DK415878A (da) 1979-03-22
GB2004874A (en) 1979-04-11
FR2403988B1 (xx) 1981-05-08
DD138973A5 (de) 1979-12-05
GB2004874B (en) 1982-04-15
US4120905A (en) 1978-10-17
IE781896L (en) 1979-03-21
IT7827803A0 (it) 1978-09-18
PL118036B1 (en) 1981-09-30
ES473527A1 (es) 1979-10-16
DK151955C (da) 1988-07-11
BE870613A (fr) 1979-03-20
AU3998078A (en) 1980-03-27
AR218686A1 (es) 1980-06-30
JPS5840940B2 (ja) 1983-09-08
DK151955B (da) 1988-01-18
CS199222B2 (en) 1980-07-31
IE47442B1 (en) 1984-03-21
IL55584A (en) 1981-03-31
IT1099110B (it) 1985-09-18
JPS5455527A (en) 1979-05-02
DE2840551A1 (de) 1979-03-29
ZA785344B (en) 1980-04-30
MX5653E (es) 1983-12-01

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
A85 Still pending on 85-01-01
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee