DE69205870D1 - Verfahren zur selektiven Reduktion von 4-Halogenatom in 2,4-Dihaloaniline. - Google Patents

Verfahren zur selektiven Reduktion von 4-Halogenatom in 2,4-Dihaloaniline.

Info

Publication number
DE69205870D1
DE69205870D1 DE69205870T DE69205870T DE69205870D1 DE 69205870 D1 DE69205870 D1 DE 69205870D1 DE 69205870 T DE69205870 T DE 69205870T DE 69205870 T DE69205870 T DE 69205870T DE 69205870 D1 DE69205870 D1 DE 69205870D1
Authority
DE
Germany
Prior art keywords
dihaloaniline
halogen atom
selective reduction
selective
reduction
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 - Fee Related
Application number
DE69205870T
Other languages
English (en)
Other versions
DE69205870T2 (de
Inventor
Garth R Pews
Richard M Wehmeyer
James E Hunter
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.)
Dow AgroSciences LLC
Original Assignee
DowElanco LLC
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 DowElanco LLC filed Critical DowElanco LLC
Publication of DE69205870D1 publication Critical patent/DE69205870D1/de
Application granted granted Critical
Publication of DE69205870T2 publication Critical patent/DE69205870T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C07C209/68—Preparation 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
    • C07C209/74—Preparation 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
    • 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
    • C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
    • C07C217/78—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton
    • C07C217/80—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of non-condensed six-membered aromatic rings
    • C07C217/82—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of non-condensed six-membered aromatic rings of the same non-condensed six-membered aromatic ring
    • C07C217/84—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of non-condensed six-membered aromatic rings of the same non-condensed six-membered aromatic ring the oxygen atom of at least one of the etherified hydroxy groups being further bound to an acyclic carbon atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/12—Preparation of carboxylic acid amides by reactions not involving the formation of carboxamide groups
    • 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
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

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)
DE69205870T 1991-04-04 1992-04-03 Verfahren zur selektiven Reduktion von 4-Halogenatom in 2,4-Dihaloaniline. Expired - Fee Related DE69205870T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/680,712 US5089653A (en) 1991-04-04 1991-04-04 Process for the selective reduction of the 4-halogen in 2,4-dihaloanilines

Publications (2)

Publication Number Publication Date
DE69205870D1 true DE69205870D1 (de) 1995-12-14
DE69205870T2 DE69205870T2 (de) 1996-04-04

Family

ID=24732211

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69205870T Expired - Fee Related DE69205870T2 (de) 1991-04-04 1992-04-03 Verfahren zur selektiven Reduktion von 4-Halogenatom in 2,4-Dihaloaniline.

Country Status (6)

Country Link
US (1) US5089653A (de)
EP (1) EP0507417B1 (de)
JP (1) JPH05132452A (de)
AU (1) AU640312B2 (de)
DE (1) DE69205870T2 (de)
ES (1) ES2079135T3 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5089653A (en) * 1991-04-04 1992-02-18 Dow Elanco Process for the selective reduction of the 4-halogen in 2,4-dihaloanilines
EP0593251A1 (de) * 1992-10-13 1994-04-20 Hoechst Celanese Corporation Verfahren zur katalytischen Debrominierung von halogenierten, monocyklischen, aromatischen Verbindungen
JP3256548B2 (ja) * 1996-04-15 2002-02-12 ロード コーポレーション ｐ―ハロゲン化アニリン誘導体含有の遊離基重合性組成物
CN103524358B (zh) * 2013-10-11 2015-06-10 浙江大学 2,6-二氯苯胺的合成方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4070401A (en) * 1972-02-19 1978-01-24 Mitsui Toatsu Chemicals Inc. Method for the preparation of a halogenated aromatic amine
US4193937A (en) * 1975-01-27 1980-03-18 Bayer Aktiengesellschaft Process for preparing 3-chloro- and 3,5-dichloro-anilines
DE2503187C3 (de) * 1975-01-27 1979-05-31 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung durch Chlor meta-substituierte Aniline
FR2403990A1 (fr) * 1977-09-22 1979-04-20 Philagro Sa Procede de deshalogenation d'amines aromatiques halogenees
FR2403991A1 (fr) * 1977-09-22 1979-04-20 Philagro Sa Procede de deshalogenation d'amines aromatiques halogenees
IL63297A (en) * 1980-08-01 1984-05-31 Rhone Poulenc Agrochimie Selective preparation of meta-chloroanilines
FR2487824A1 (fr) * 1980-08-01 1982-02-05 Rhone Poulenc Agrochimie Procede de preparation selective d'anilines metachlorees
DE3042242A1 (de) * 1980-11-08 1982-06-09 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von m-halogensubstituierten anilinen
DE3127026A1 (de) * 1981-07-09 1983-01-20 Bayer Ag, 5090 Leverkusen Verrfahren zur herstellung von m-chlorsubstituiertenanilinen
FR2521132A1 (fr) * 1982-02-05 1983-08-12 Rhone Poulenc Agrochimie Procede de preparation de metahalogeno-anilines
JPH01200028A (ja) * 1988-02-04 1989-08-11 Nippon Denso Co Ltd 燃料噴射時期調整装置
US5068392A (en) * 1991-01-24 1991-11-26 Dowelanco Process for the preparation of 2-chloro and 2,6-dichloroanilines
US5089653A (en) * 1991-04-04 1992-02-18 Dow Elanco Process for the selective reduction of the 4-halogen in 2,4-dihaloanilines

Also Published As

Publication number Publication date
EP0507417A2 (de) 1992-10-07
AU1402592A (en) 1992-10-08
DE69205870T2 (de) 1996-04-04
AU640312B2 (en) 1993-08-19
EP0507417B1 (de) 1995-11-08
US5089653A (en) 1992-02-18
ES2079135T3 (es) 1996-01-01
EP0507417A3 (en) 1993-01-27
JPH05132452A (ja) 1993-05-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee