FR2400503A1 - Purification de dinitroanilines par le chlore ou le brome - Google Patents
Purification de dinitroanilines par le chlore ou le bromeInfo
- Publication number
- FR2400503A1 FR2400503A1 FR7823852A FR7823852A FR2400503A1 FR 2400503 A1 FR2400503 A1 FR 2400503A1 FR 7823852 A FR7823852 A FR 7823852A FR 7823852 A FR7823852 A FR 7823852A FR 2400503 A1 FR2400503 A1 FR 2400503A1
- Authority
- FR
- France
- Prior art keywords
- dinitroanilines
- bromine
- purification
- chlorine
- perbromide
- 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.)
- Granted
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
L'invention concerne un procédé permettant de débarrasser les dinitroanilines des nitrosamines qu'elles contiennent On met la dinitroaniline en phase liquide en contact avec un réactif choisi dans le groupe comprenant le brome moléculaire, le chlore moléculaire, le N-bromosuccinimide, le N-chlorosuccinimide, le chlorure de brome, le perbromure de pyridine et le perbromure de bromure de pyridinium, à une température comprise entre la température ambiante et 140 degrés C, jusqu'à diminution de la concentration en nitrosamine. Purification des dinitroanilines.
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 (2)
Publication Number | Publication Date |
---|---|
FR2400503A1 true FR2400503A1 (fr) | 1979-03-16 |
FR2400503B1 FR2400503B1 (fr) | 1980-10-31 |
Family
ID=27124896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7823852A Granted FR2400503A1 (fr) | 1977-08-17 | 1978-08-16 | Purification de dinitroanilines par le chlore ou le brome |
Country Status (21)
Country | Link |
---|---|
JP (1) | JPS5822101B2 (fr) |
AR (1) | AR221489A1 (fr) |
AU (1) | AU518675B2 (fr) |
BG (1) | BG34332A3 (fr) |
BR (1) | BR7805279A (fr) |
CA (1) | CA1057774A (fr) |
CS (1) | CS222270B2 (fr) |
DD (1) | DD138312A5 (fr) |
DE (1) | DE2835530C2 (fr) |
DK (1) | DK152116C (fr) |
ES (1) | ES472550A1 (fr) |
FR (1) | FR2400503A1 (fr) |
GB (1) | GB2003148B (fr) |
HU (1) | HU179460B (fr) |
IE (1) | IE47178B1 (fr) |
IL (1) | IL55354A (fr) |
IT (1) | IT1098023B (fr) |
MX (1) | MX5204E (fr) |
NL (1) | NL180100C (fr) |
PL (1) | PL120364B1 (fr) |
RO (1) | RO75536A (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2920448C3 (de) * | 1979-05-21 | 1982-02-11 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Entfernung von Nitrosierungsmittel (n) aus nitrierten aromatischen Verbindungen |
DE3061492D1 (en) * | 1979-05-21 | 1983-02-03 | Hoechst Ag | Process for the removal of nitrozation agents from nitrated aromatic compounds |
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 |
EP3246082B1 (fr) * | 2015-01-07 | 2020-06-10 | Mitsubishi Hitachi Power Systems, Ltd. | Procédé et dispositif pour traiter un composé nitrosé |
-
1978
- 1978-08-10 GB GB7832840A patent/GB2003148B/en not_active Expired
- 1978-08-14 RO RO7894976A patent/RO75536A/fr unknown
- 1978-08-14 AR AR273298A patent/AR221489A1/es active
- 1978-08-14 MX MX787310U patent/MX5204E/es unknown
- 1978-08-14 PL PL1978209046A patent/PL120364B1/pl unknown
- 1978-08-14 ES ES472550A patent/ES472550A1/es not_active Expired
- 1978-08-14 DE DE2835530A patent/DE2835530C2/de not_active Expired
- 1978-08-14 HU HU78EI804A patent/HU179460B/hu not_active IP Right Cessation
- 1978-08-14 IL IL55354A patent/IL55354A/xx unknown
- 1978-08-14 IT IT26768/78A patent/IT1098023B/it active
- 1978-08-15 CS CS785322A patent/CS222270B2/cs unknown
- 1978-08-15 CA CA309,416A patent/CA1057774A/fr not_active Expired
- 1978-08-16 NL NLAANVRAGE7808479,A patent/NL180100C/xx not_active IP Right Cessation
- 1978-08-16 DK DK362578A patent/DK152116C/da not_active IP Right Cessation
- 1978-08-16 BR BR7805279A patent/BR7805279A/pt unknown
- 1978-08-16 BG BG040680A patent/BG34332A3/xx unknown
- 1978-08-16 IE IE1649/78A patent/IE47178B1/en not_active IP Right Cessation
- 1978-08-16 DD DD78207319A patent/DD138312A5/xx unknown
- 1978-08-16 FR FR7823852A patent/FR2400503A1/fr active Granted
- 1978-08-17 JP JP53100850A patent/JPS5822101B2/ja not_active Expired
- 1978-08-17 AU AU39028/78A patent/AU518675B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AR221489A1 (es) | 1981-02-13 |
IL55354A0 (en) | 1978-10-31 |
JPS5441826A (en) | 1979-04-03 |
FR2400503B1 (fr) | 1980-10-31 |
DK362578A (da) | 1979-02-18 |
PL120364B1 (en) | 1982-02-27 |
NL7808479A (nl) | 1979-02-20 |
BR7805279A (pt) | 1979-04-10 |
IL55354A (en) | 1981-05-20 |
DK152116C (da) | 1988-06-20 |
HU179460B (en) | 1982-10-28 |
RO75536A (fr) | 1980-11-30 |
AU3902878A (en) | 1980-02-21 |
CA1057774A (fr) | 1979-07-03 |
ES472550A1 (es) | 1979-10-16 |
DE2835530A1 (de) | 1979-03-01 |
DD138312A5 (de) | 1979-10-24 |
JPS5822101B2 (ja) | 1983-05-06 |
GB2003148B (en) | 1982-02-10 |
NL180100C (nl) | 1987-01-02 |
PL209046A1 (pl) | 1979-05-07 |
CS222270B2 (en) | 1983-06-24 |
MX5204E (es) | 1983-04-25 |
IE47178B1 (en) | 1984-01-11 |
AU518675B2 (en) | 1981-10-15 |
GB2003148A (en) | 1979-03-07 |
BG34332A3 (en) | 1983-08-15 |
DE2835530C2 (de) | 1982-10-21 |
DK152116B (da) | 1988-02-01 |
IT7826768A0 (it) | 1978-08-14 |
IT1098023B (it) | 1985-08-31 |
NL180100B (nl) | 1986-08-01 |
IE781649L (en) | 1979-02-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |