DK166411B1 - Fremgangsmaade til fremstilling af 2,4-dichlor-5-fluor-benzoesyre - Google Patents

Fremgangsmaade til fremstilling af 2,4-dichlor-5-fluor-benzoesyre Download PDF

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Publication number
DK166411B1
DK166411B1 DK436685A DK436685A DK166411B1 DK 166411 B1 DK166411 B1 DK 166411B1 DK 436685 A DK436685 A DK 436685A DK 436685 A DK436685 A DK 436685A DK 166411 B1 DK166411 B1 DK 166411B1
Authority
DK
Denmark
Prior art keywords
fluoro
dichloro
benzoic acid
reaction
process according
Prior art date
Application number
DK436685A
Other languages
Danish (da)
English (en)
Other versions
DK436685A (da
DK436685D0 (da
Inventor
Fritz Maurer
Klaus Grohe
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of DK436685D0 publication Critical patent/DK436685D0/da
Publication of DK436685A publication Critical patent/DK436685A/da
Application granted granted Critical
Publication of DK166411B1 publication Critical patent/DK166411B1/da

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
    • C07C45/46—Friedel-Crafts reactions
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/29—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with halogen-containing compounds which may be formed in situ

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DK436685A 1984-09-27 1985-09-26 Fremgangsmaade til fremstilling af 2,4-dichlor-5-fluor-benzoesyre DK166411B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843435392 DE3435392A1 (de) 1984-09-27 1984-09-27 Verfahren zur herstellung von 2,4-dichlor-5-fluor-benzoesaeure
DE3435392 1984-09-27

Publications (3)

Publication Number Publication Date
DK436685D0 DK436685D0 (da) 1985-09-26
DK436685A DK436685A (da) 1986-03-28
DK166411B1 true DK166411B1 (da) 1993-05-17

Family

ID=6246450

Family Applications (1)

Application Number Title Priority Date Filing Date
DK436685A DK166411B1 (da) 1984-09-27 1985-09-26 Fremgangsmaade til fremstilling af 2,4-dichlor-5-fluor-benzoesyre

Country Status (21)

Country Link
EP (1) EP0176026B1 (no)
JP (1) JPH0647568B2 (no)
KR (1) KR910008936B1 (no)
AU (1) AU569176B2 (no)
CA (1) CA1255330A (no)
DD (1) DD239591A5 (no)
DE (2) DE3435392A1 (no)
DK (1) DK166411B1 (no)
ES (1) ES8605462A1 (no)
FI (1) FI86413C (no)
GR (1) GR852346B (no)
HU (1) HU193345B (no)
IE (1) IE72493B1 (no)
IL (1) IL76466A (no)
NO (1) NO159080C (no)
NZ (1) NZ213599A (no)
PH (1) PH24252A (no)
PT (1) PT81144B (no)
SU (1) SU1470175A3 (no)
UA (1) UA8020A1 (no)
ZA (1) ZA857432B (no)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4791225A (en) * 1986-01-20 1988-12-13 Kyorin Pharmaceutical Co., Ltd. Halogenobenzoic acid derivatives and their preparation
DE3641099A1 (de) * 1986-12-02 1988-06-09 Hoechst Ag Verfahren zur herstellung von 4-(2'-chlorethyl)benzoesaeure
DE3840371A1 (de) * 1988-11-30 1990-05-31 Lentia Gmbh Verfahren zur herstellung von 2,4,5-trifluorbenzoesaeure
US4996355A (en) * 1989-04-14 1991-02-26 Mallinckrodt, Inc. Novel intermediates for the production of 2,4,5-trifluorobenzoyl fluoride
DE3925036A1 (de) * 1989-07-28 1991-01-31 Riedel De Haen Ag Verfahren zur herstellung von fluorierten benzoesaeuren
GB9107684D0 (en) * 1991-04-11 1991-05-29 Berge Richard Panel system
DE19617558A1 (de) * 1996-05-02 1997-11-06 Hoechst Ag Verfahren zur Herstellung von 4,5-Dichlor-2-methylbenzoesäure
DE19733243A1 (de) 1997-08-01 1999-02-04 Bayer Ag Verfahren zur Herstellung von 3-Cyano-2,4-dihalogen-5-fluor-benzoesäure

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2412855C2 (de) * 1974-03-18 1983-03-31 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von Carbonsäuren
DE3035355A1 (de) * 1980-09-19 1982-04-29 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von 3-brom-4-fluor-benzoesaeure
DE3248505A1 (de) * 1982-12-29 1984-07-05 Bayer Ag, 5090 Leverkusen 1-cyclopropyl-6-fluor-1,4-dihydro-4-oxo-7(4- (oxoalkyl)-1-piperazinyl/-3-chinolincarbonsaeuren und ihre derivate, verfahren zu ihrer herstellung sowie diese enthaltende antibakterielle mittel
DE3248506A1 (de) * 1982-12-29 1984-07-05 Bayer Ag, 5090 Leverkusen 1-cyclopropyl-6-fluor-1,4-dihydro-4-oxo-7(alkyl-1-piperazinyl)-3-chinolincarbonsaeuren, verfahren zu ihrer herstellung sowie diese enthaltende antibakterielle mittel

Also Published As

Publication number Publication date
NO159080C (no) 1988-11-30
AU4792485A (en) 1986-04-10
FI853686A0 (fi) 1985-09-25
ZA857432B (en) 1986-05-28
FI853686L (fi) 1986-03-28
EP0176026A1 (de) 1986-04-02
HUT39410A (en) 1986-09-29
IL76466A0 (en) 1986-01-31
CA1255330A (en) 1989-06-06
KR910008936B1 (ko) 1991-10-26
ES547345A0 (es) 1986-03-16
UA8020A1 (uk) 1995-12-26
HU193345B (en) 1987-09-28
IL76466A (en) 1988-12-30
EP0176026B1 (de) 1987-11-25
PH24252A (en) 1990-05-04
FI86413B (fi) 1992-05-15
FI86413C (fi) 1992-08-25
JPH0647568B2 (ja) 1994-06-22
DE3435392A1 (de) 1986-04-03
DE3561054D1 (en) 1988-01-07
IE72493B1 (en) 1997-04-23
AU569176B2 (en) 1988-01-21
DK436685A (da) 1986-03-28
ES8605462A1 (es) 1986-03-16
NO853605L (no) 1986-04-01
IE852380L (en) 1986-03-27
PT81144A (en) 1985-10-01
GR852346B (no) 1986-01-27
NO159080B (no) 1988-08-22
JPS6185350A (ja) 1986-04-30
DD239591A5 (de) 1986-10-01
SU1470175A3 (ru) 1989-03-30
PT81144B (pt) 1988-01-22
NZ213599A (en) 1988-01-08
KR860002446A (ko) 1986-04-26
DK436685D0 (da) 1985-09-26

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B1 Patent granted (law 1993)
PBP Patent lapsed

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