BR0108169A - Processo para fornecer a 3,5-difluoroanilina a partir do 1,3,5-triclorobenzeno - Google Patents

Processo para fornecer a 3,5-difluoroanilina a partir do 1,3,5-triclorobenzeno

Info

Publication number
BR0108169A
BR0108169A BR0108169-1A BR0108169A BR0108169A BR 0108169 A BR0108169 A BR 0108169A BR 0108169 A BR0108169 A BR 0108169A BR 0108169 A BR0108169 A BR 0108169A
Authority
BR
Brazil
Prior art keywords
difluoroaniline
trichlorobenzene
supplying
aminating
fluorinating
Prior art date
Application number
BR0108169-1A
Other languages
English (en)
Inventor
Lee I Cherney
Francis J Mettille
Original Assignee
Basf Corp
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 Basf Corp filed Critical Basf Corp
Publication of BR0108169A publication Critical patent/BR0108169A/pt

Links

Classifications

    • 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
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C07C17/208—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being MX
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)

Abstract

"PROCESSO PARA FORNECER A 3,5-DIFLUOROANILINA A PARTIR DO 1,3,5-TRICLOROBENZéNO". Um método para a fabricação de 3,5-difluoroanilina pela fluoração de 1,3,5-triclorobenzeno e depois pela aminação do benzeno fluorado intermediário com amónia aquosa ou anidra para se obter o produto em rendimentos de mais do que 80%.
BR0108169-1A 2000-02-08 2001-02-01 Processo para fornecer a 3,5-difluoroanilina a partir do 1,3,5-triclorobenzeno BR0108169A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/500,368 US6127577A (en) 2000-02-08 2000-02-08 Method of making 3,5-difluoroaniline from 1,3,5-trichlorobenzene
PCT/EP2001/001079 WO2001058846A1 (en) 2000-02-08 2001-02-01 Method of making 3,5-difluoroaniline from 1,3,5-trichlorobenzene

Publications (1)

Publication Number Publication Date
BR0108169A true BR0108169A (pt) 2003-02-25

Family

ID=23989099

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0108169-1A BR0108169A (pt) 2000-02-08 2001-02-01 Processo para fornecer a 3,5-difluoroanilina a partir do 1,3,5-triclorobenzeno

Country Status (16)

Country Link
US (1) US6127577A (pt)
EP (1) EP1254103B1 (pt)
JP (1) JP2003534242A (pt)
KR (1) KR20020073207A (pt)
CN (1) CN1400964A (pt)
AT (1) ATE267796T1 (pt)
AU (1) AU2001246411A1 (pt)
BR (1) BR0108169A (pt)
CA (1) CA2398650A1 (pt)
CZ (1) CZ20022714A3 (pt)
DE (1) DE60103506T2 (pt)
EA (1) EA200200809A1 (pt)
HU (1) HUP0204541A3 (pt)
IL (1) IL150415A0 (pt)
MX (1) MXPA02007606A (pt)
WO (1) WO2001058846A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004033525A1 (de) * 2004-07-08 2006-02-02 Lanxess Deutschland Gmbh Verbessertes Verfahren zur Herstellung kernfluorierter Aromaten
CN117486728B (zh) * 2023-12-28 2024-05-17 山东国邦药业有限公司 一种高效循环的氟化试剂及其制备方法与应用

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4294988A (en) * 1977-10-31 1981-10-13 Merck & Co., Inc. Method of preparing 2,4-difluoroaniline
US4140719A (en) * 1977-10-31 1979-02-20 Merck & Co., Inc. Solid-liquid phase transfer catalysis improved method of preparing 2,4-difluoroaniline
US4145364A (en) * 1977-11-30 1979-03-20 Merck & Co., Inc. Preparation of fluorinated anilines
US4343951A (en) * 1980-12-29 1982-08-10 Hooker Chemicals & Plastics Corp. Method for the preparation of fluoroaniline
US5510533A (en) * 1990-06-06 1996-04-23 Sds Biotech K.K. Process for producing 3,5-difluoroaniline and derivative thereof
US5041674A (en) * 1990-06-14 1991-08-20 Dowelanco Process and intermediates for the preparation of 2,6-difluoroaniline
US5116982A (en) * 1990-08-06 1992-05-26 Dowelanco Preparation of fluorohalophenols and n-acyfluorohaloanilines
JPH0565250A (ja) * 1991-01-28 1993-03-19 Ishihara Sangyo Kaisha Ltd ３，５−ジフルオロアニリンの製造方法
US5091580A (en) * 1991-03-27 1992-02-25 Dowelanco Process for the preparation of 2,6-difluoroaniline
US5294742A (en) * 1992-03-21 1994-03-15 Hoechst Atkiengesellschaft Process for preparing 3,5-difluoroaniline
US5157169A (en) * 1992-03-26 1992-10-20 Mallinckrodt Specialty Chemicals Company Preparation of 3-halo-halobenzenes and 1-halo-3,5-dihalobenzenes
GB9400569D0 (en) * 1994-01-13 1994-03-09 Rhone Poulenc Chemicals Process for the production of substituted aromatic hydrocarbons from corresponding anilines by dediazoniation
ES2114237T3 (es) * 1994-02-11 1998-05-16 Clariant Gmbh Procedimiento para la preparacion de fluoroanilinas.
AU4265396A (en) * 1994-11-30 1996-06-19 Rhone-Poulenc Chimie Method for preparing fluoroanilines from nitrofluorobenzene compounds
DE19720341C1 (de) * 1997-05-15 1998-08-27 Clariant Gmbh Verfahren zur Herstellung von 3,5-Difluoranilin

Also Published As

Publication number Publication date
CZ20022714A3 (cs) 2003-05-14
CN1400964A (zh) 2003-03-05
ATE267796T1 (de) 2004-06-15
HUP0204541A2 (hu) 2003-04-28
HUP0204541A3 (en) 2003-10-28
EP1254103B1 (en) 2004-05-26
CA2398650A1 (en) 2001-08-16
JP2003534242A (ja) 2003-11-18
WO2001058846A1 (en) 2001-08-16
IL150415A0 (en) 2002-12-01
AU2001246411A1 (en) 2001-08-20
EP1254103A1 (en) 2002-11-06
KR20020073207A (ko) 2002-09-19
EA200200809A1 (ru) 2003-04-24
DE60103506D1 (de) 2004-07-01
DE60103506T2 (de) 2004-09-23
US6127577A (en) 2000-10-03
MXPA02007606A (es) 2003-03-27

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 5A, 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 1963 DE 19.08.2008.