ES8605462A1 - Procedimiento para la obtencion de acido 2,4-dicloro-5- fluor-benzoico - Google Patents

Procedimiento para la obtencion de acido 2,4-dicloro-5- fluor-benzoico

Info

Publication number
ES8605462A1
ES8605462A1 ES547345A ES547345A ES8605462A1 ES 8605462 A1 ES8605462 A1 ES 8605462A1 ES 547345 A ES547345 A ES 547345A ES 547345 A ES547345 A ES 547345A ES 8605462 A1 ES8605462 A1 ES 8605462A1
Authority
ES
Spain
Prior art keywords
dichloro
fluoro
benzoic acid
formula
preparation
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
Application number
ES547345A
Other languages
English (en)
Other versions
ES547345A0 (es
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.)
Bayer AG
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 ES547345A0 publication Critical patent/ES547345A0/es
Publication of ES8605462A1 publication Critical patent/ES8605462A1/es
Expired legal-status Critical Current

Links

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

Landscapes

  • 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)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE ACIDO 2,4-DICLORO-5-FLUOR-BENZOICO. COMPRENDE: A) ACILAR AL 2,4-DICLORO-FLUOR-BENCENO, CON CLORURO DE ACETILO, EN PRESENCIA DE TRICLORURO DE ALUMINIO Y ENTRE 10 Y 150JC, PARA PRODUCIR LA 2,4-CICLORO-5-FLUOR-ACETOFENONA DE FORMULA (II); Y B) TRATAR A (II) CON IUNA SOLUCION DE HIPOCLORITO SODICO (LEJIA DE CLORO), ENTRE 0 Y 140JC, PARA OBTENER AL ACIDO 2,4-DICLORO-5-FLUOR-BENZOICO DE FORMULA (I). SE UTILIZA COMO PRODUCTO INTERMEDIO PARA LA PRODUCCION DE MEDIOS ANTIBACTERIALES.
ES547345A 1984-09-27 1985-09-26 Procedimiento para la obtencion de acido 2,4-dicloro-5- fluor-benzoico Expired ES8605462A1 (es)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
ES547345A0 ES547345A0 (es) 1986-03-16
ES8605462A1 true ES8605462A1 (es) 1986-03-16

Family

ID=6246450

Family Applications (1)

Application Number Title Priority Date Filing Date
ES547345A Expired ES8605462A1 (es) 1984-09-27 1985-09-26 Procedimiento para la obtencion de acido 2,4-dicloro-5- fluor-benzoico

Country Status (21)

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

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
ES547345A0 (es) 1986-03-16
IE72493B1 (en) 1997-04-23
JPH0647568B2 (ja) 1994-06-22
SU1470175A3 (ru) 1989-03-30
EP0176026B1 (de) 1987-11-25
FI86413B (fi) 1992-05-15
HUT39410A (en) 1986-09-29
DK436685D0 (da) 1985-09-26
NO159080C (no) 1988-11-30
IL76466A0 (en) 1986-01-31
NZ213599A (en) 1988-01-08
HU193345B (en) 1987-09-28
PT81144A (en) 1985-10-01
AU4792485A (en) 1986-04-10
PT81144B (pt) 1988-01-22
IL76466A (en) 1988-12-30
FI853686A0 (fi) 1985-09-25
ZA857432B (en) 1986-05-28
AU569176B2 (en) 1988-01-21
KR860002446A (ko) 1986-04-26
GR852346B (es) 1986-01-27
NO159080B (no) 1988-08-22
DD239591A5 (de) 1986-10-01
PH24252A (en) 1990-05-04
FI86413C (fi) 1992-08-25
UA8020A1 (uk) 1995-12-26
DE3435392A1 (de) 1986-04-03
IE852380L (en) 1986-03-27
JPS6185350A (ja) 1986-04-30
DE3561054D1 (en) 1988-01-07
EP0176026A1 (de) 1986-04-02
FI853686L (fi) 1986-03-28
NO853605L (no) 1986-04-01
CA1255330A (en) 1989-06-06
KR910008936B1 (ko) 1991-10-26
DK436685A (da) 1986-03-28
DK166411B1 (da) 1993-05-17

Similar Documents

Publication Publication Date Title
ES8605462A1 (es) Procedimiento para la obtencion de acido 2,4-dicloro-5- fluor-benzoico
GR3018227T3 (en) Process for the preparation of 3-benzoyl-benzofuran derivatives.
DE3271245D1 (en) Production of sodium salicylate
DE3568580D1 (en) Process for preparing alkanephosphonous acids
ES8601874A1 (es) Un procedimiento para preparar derivados de azetidina sustituidos.
KR100214903B1 (en) Process for producing aminomethanephosphonic acid and aminomethylphosphinic acids
DE3680770D1 (de) Ausgangsprodukte zur herstellung von 9-beta-chlorprostaglandinen.
DE3261528D1 (en) Process for the preparation of n-benzyl-n-isopropyl pivalamide
DE3563433D1 (en) Process for the production of acetic acid from synthesis gas
ES8706115A1 (es) Procedimiento para preparar un derivado de pirrolidina
ES507760A0 (es) Procedimiento de sintesis de 1,1'.difosfaferrocenos .
ATE17573T1 (de) Verfahren zur herstellung von reinem diacetonitril.
GB1276774A (en) Process for the preparation of isocyanates
HUT44510A (en) Process for producing 4-/benzyl-oxy/-3-pyridin-2-one
ES8400746A1 (es) Procedimiento de obtencion de un ester del acido apovincami-nico
DE3263140D1 (en) Process for making n-acetyl-2,3-dehydroaminocarboxylic-acid esters
DE3260527D1 (en) Process for the preparation of n-benzyl-substituted imides
JPS6419087A (en) Production of 1,3,4-tri-o-acyl-2-deoxy-beta-d-erythro-pentapyranose
HUT45973A (en) Cathalitic process for production of chlor formic acid tiolesthers
SE9103032D0 (sv) Foerfarande foer framstaellning av saltsyra
IN153657B (es)
JPS6447752A (en) Production of 3,3-diaryloxyacrylonitriles
DE3774850D1 (de) Verfahren zur herstellung von 5h-dibenzo(a,d)cyclohepten-5-onen.
HUT40100A (en) Process for producing quinolin-carboxylic acid derivatives
UA5806A1 (uk) Похідні заміщеного 2-алкілті0-4,5-диметил-3-етилтіазолію як проміжний продукт для синтезу нульметинмероціанинових барвинків, спосіб їх одержання та спосіб одержання барвників на їх основі