DK483378A - Fremgangsmaade til fremstilling af 2,4-difluoranilin - Google Patents

Fremgangsmaade til fremstilling af 2,4-difluoranilin

Info

Publication number
DK483378A
DK483378A DK483378A DK483378A DK483378A DK 483378 A DK483378 A DK 483378A DK 483378 A DK483378 A DK 483378A DK 483378 A DK483378 A DK 483378A DK 483378 A DK483378 A DK 483378A
Authority
DK
Denmark
Prior art keywords
difluoranililine
procedure
preparation
Prior art date
Application number
DK483378A
Other languages
English (en)
Inventor
R J Tull
L M Weinstock
I Shinkai
Original Assignee
Merck & Co Inc
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 US05/847,187 external-priority patent/US4294988A/en
Priority claimed from US05/847,186 external-priority patent/US4140719A/en
Application filed by Merck & Co Inc filed Critical Merck & Co Inc
Publication of DK483378A publication Critical patent/DK483378A/da

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
    • C07C201/12Preparation of nitro compounds by reactions not involving the formation of nitro groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/30Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
    • C07C209/32Preparation 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
    • C07C209/36Preparation 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DK483378A 1977-10-31 1978-10-30 Fremgangsmaade til fremstilling af 2,4-difluoranilin DK483378A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/847,187 US4294988A (en) 1977-10-31 1977-10-31 Method of preparing 2,4-difluoroaniline
US05/847,186 US4140719A (en) 1977-10-31 1977-10-31 Solid-liquid phase transfer catalysis improved method of preparing 2,4-difluoroaniline

Publications (1)

Publication Number Publication Date
DK483378A true DK483378A (da) 1979-05-01

Family

ID=27126689

Family Applications (1)

Application Number Title Priority Date Filing Date
DK483378A DK483378A (da) 1977-10-31 1978-10-30 Fremgangsmaade til fremstilling af 2,4-difluoranilin

Country Status (6)

Country Link
EP (1) EP0001825B1 (da)
JP (1) JPS54109928A (da)
DE (1) DE2861534D1 (da)
DK (1) DK483378A (da)
IE (1) IE47471B1 (da)
IT (1) IT1106051B (da)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2938939A1 (de) * 1978-10-05 1980-04-17 Boots Co Ltd Verfahren zur herstellung von fluornitrobenzolen
EP0038465A1 (de) * 1980-04-17 1981-10-28 Hoechst Aktiengesellschaft Verfahren zur Herstellung von 2-Trifluormethylanilin
FR2490634A1 (fr) * 1980-09-25 1982-03-26 Rhone Poulenc Ind Procede de preparation de fluorobenzonitriles
FR2599364B1 (fr) * 1986-05-29 1988-09-16 Rhone Poulenc Spec Chim Procede de preparation de 4-fluoroanilines a partir de 4-halogenonitrobenzenes
US5294742A (en) * 1992-03-21 1994-03-15 Hoechst Atkiengesellschaft Process for preparing 3,5-difluoroaniline
EP0667337B1 (de) * 1994-02-11 1998-01-21 Clariant GmbH Verfahren zur Herstellung von Fluoranilinen
FR2727406A1 (fr) * 1994-11-30 1996-05-31 Rhone Poulenc Chimie Procede de preparation de fluoroanilines a partir de composes benzeniques fluores nitres
AU4265396A (en) * 1994-11-30 1996-06-19 Rhone-Poulenc Chimie Method for preparing fluoroanilines from nitrofluorobenzene compounds
FR2728899B1 (fr) * 1994-12-30 1997-03-28 Rhone Poulenc Chimie Procede de preparation de fluoroanilines a partir de composes benzeniques fluores nitres
US8907146B2 (en) * 2013-02-04 2014-12-09 Honeywell International Inc. Process for the preparation of 1-chloro-3,3,3-trifluoropropene using a phase transfer catalyst
CN115650859A (zh) * 2022-10-21 2023-01-31 利尔化学股份有限公司 一种2,4-二氟苯胺的制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL292261A (da) * 1962-05-11
CA952540A (en) * 1970-02-09 1974-08-06 Ronnie D. Gordon Preparation of alkyl halides
GB1360327A (en) * 1972-11-13 1974-07-17 Daikin Ind Ltd Process for the nuclear fluorination of a compound having a benzene ring
US3900519A (en) * 1973-06-11 1975-08-19 Olin Corp Process for preparing para-fluoroanilines
GB1433517A (en) * 1973-08-02 1976-04-28 Shell Int Research Preparation of fluoroanilines

Also Published As

Publication number Publication date
IE782132L (en) 1979-04-30
IE47471B1 (en) 1984-03-21
EP0001825B1 (en) 1982-01-13
DE2861534D1 (en) 1982-02-25
IT7851691A0 (it) 1978-10-27
IT1106051B (it) 1985-11-11
JPS54109928A (en) 1979-08-29
JPS6210219B2 (da) 1987-03-05
EP0001825A1 (en) 1979-05-16

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