ES472550A1 - Un procedimiento para la separacion de nitrosaminas conteni-das en las dinitroanilinas - Google Patents

Un procedimiento para la separacion de nitrosaminas conteni-das en las dinitroanilinas

Info

Publication number
ES472550A1
ES472550A1 ES472550A ES472550A ES472550A1 ES 472550 A1 ES472550 A1 ES 472550A1 ES 472550 A ES472550 A ES 472550A ES 472550 A ES472550 A ES 472550A ES 472550 A1 ES472550 A1 ES 472550A1
Authority
ES
Spain
Prior art keywords
bromine
chlorine
dinitroaniline
nitrosamine
dinitro
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES472550A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eli Lilly and Co
Original Assignee
Eli Lilly and Co
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
Priority claimed from US05/878,835 external-priority patent/US4127610A/en
Application filed by Eli Lilly and Co filed Critical Eli Lilly and Co
Publication of ES472550A1 publication Critical patent/ES472550A1/es
Expired legal-status Critical Current

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
    • C07C211/44—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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06—Preparation of nitro compounds
    • C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
    • C07C205/07—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by halogen atoms
    • C07C205/11—Compounds 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
    • C07C205/12—Compounds 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/04—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups
    • C07C209/06—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of halogen atoms
    • C07C209/10—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of halogen atoms with formation of amino groups bound to carbon atoms of six-membered aromatic rings or from amines having nitrogen atoms bound to carbon atoms of six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
    • C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
    • C07C209/36—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a catalyst
    • 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
    • C07C211/49—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 having at least two amino groups bound to the carbon skeleton
    • C07C211/50—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 having at least two amino groups bound to the carbon skeleton with at least two amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Un procedimiento para la separación de las nitrosaminas contenidas en las dinitroanilinas como impurezas, estando seleccionadas dichas dinitroanilinas del grupo formado por trifluralina, isopropalina, benefina, butralina, tendimetalina, flucloralina, profluralina, dinitramina, 4-trifluorometril-2, 6-dinitro-3-clor-N, N-dietilanilina, 4-metil-2, 6-dinitro-N, N-bis (2 cloro-etil) anilina, orizalina y nitralina, cuyo procedimiento comprende hacer reaccionar en fase líquida la diniroanilina que contiene la nitrosamina con una agente halogenante hasta que se haya reducido la concentración de nitrosamina, estando seleccionado dicho agente halogenante del grupo formado por bromo molecular, cloro molecular, N-bromosuccinimida, N-clorosuccinimida, cloruro de bromo, perbromuro de piridina, y perbromuro de bromuro de piridinio hasta que se haya reducido la concentración de la nitrosamina.
ES472550A 1977-08-17 1978-08-14 Un procedimiento para la separacion de nitrosaminas conteni-das en las dinitroanilinas Expired ES472550A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82534577A 1977-08-17 1977-08-17
US05/878,835 US4127610A (en) 1977-08-17 1978-02-17 Dinitroaniline purification with bromine and chlorine

Publications (1)

Publication Number Publication Date
ES472550A1 true ES472550A1 (es) 1979-10-16

Family

ID=27124896

Family Applications (1)

Application Number Title Priority Date Filing Date
ES472550A Expired ES472550A1 (es) 1977-08-17 1978-08-14 Un procedimiento para la separacion de nitrosaminas conteni-das en las dinitroanilinas

Country Status (21)

Country Link
JP (1) JPS5822101B2 (es)
AR (1) AR221489A1 (es)
AU (1) AU518675B2 (es)
BG (1) BG34332A3 (es)
BR (1) BR7805279A (es)
CA (1) CA1057774A (es)
CS (1) CS222270B2 (es)
DD (1) DD138312A5 (es)
DE (1) DE2835530C2 (es)
DK (1) DK152116C (es)
ES (1) ES472550A1 (es)
FR (1) FR2400503A1 (es)
GB (1) GB2003148B (es)
HU (1) HU179460B (es)
IE (1) IE47178B1 (es)
IL (1) IL55354A (es)
IT (1) IT1098023B (es)
MX (1) MX5204E (es)
NL (1) NL180100C (es)
PL (1) PL120364B1 (es)
RO (1) RO75536A (es)

Families Citing this family (7)

* 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
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
IT1195822B (it) * 1986-08-12 1988-10-27 I Pi Ci Spa Procedimento per la purificazione della trifluralina
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
CN107106970B (zh) * 2015-01-07 2020-06-09 三菱日立电力系统株式会社 亚硝基化合物的处理方法及处理装置

Also Published As

Publication number Publication date
AR221489A1 (es) 1981-02-13
FR2400503B1 (es) 1980-10-31
PL209046A1 (pl) 1979-05-07
IE781649L (en) 1979-02-17
DK152116C (da) 1988-06-20
AU518675B2 (en) 1981-10-15
BR7805279A (pt) 1979-04-10
JPS5441826A (en) 1979-04-03
DK152116B (da) 1988-02-01
DD138312A5 (de) 1979-10-24
CA1057774A (en) 1979-07-03
NL7808479A (nl) 1979-02-20
JPS5822101B2 (ja) 1983-05-06
CS222270B2 (en) 1983-06-24
DE2835530A1 (de) 1979-03-01
RO75536A (ro) 1980-11-30
IT1098023B (it) 1985-08-31
GB2003148B (en) 1982-02-10
PL120364B1 (en) 1982-02-27
AU3902878A (en) 1980-02-21
BG34332A3 (en) 1983-08-15
FR2400503A1 (fr) 1979-03-16
DE2835530C2 (de) 1982-10-21
GB2003148A (en) 1979-03-07
MX5204E (es) 1983-04-25
DK362578A (da) 1979-02-18
HU179460B (en) 1982-10-28
IL55354A0 (en) 1978-10-31
NL180100B (nl) 1986-08-01
IT7826768A0 (it) 1978-08-14
IE47178B1 (en) 1984-01-11
NL180100C (nl) 1987-01-02
IL55354A (en) 1981-05-20

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20001204