ES2077889T3 - Procedimiento de obtencion de 2,4-dicloro-5-fluorbenzonitrilo. - Google Patents

Procedimiento de obtencion de 2,4-dicloro-5-fluorbenzonitrilo.

Info

Publication number
ES2077889T3
ES2077889T3 ES92102779T ES92102779T ES2077889T3 ES 2077889 T3 ES2077889 T3 ES 2077889T3 ES 92102779 T ES92102779 T ES 92102779T ES 92102779 T ES92102779 T ES 92102779T ES 2077889 T3 ES2077889 T3 ES 2077889T3
Authority
ES
Spain
Prior art keywords
fluorbenzonitrile
dichloro
procedure
obtaining
mol
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 - Lifetime
Application number
ES92102779T
Other languages
English (en)
Inventor
Thomas Dr Schach
Theodor Dr Papenfuhs
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.)
Hoechst AG
Original Assignee
Hoechst 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 Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of ES2077889T3 publication Critical patent/ES2077889T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/49—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C07C255/49—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C255/50—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of non-condensed six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/14—Preparation of carboxylic acid nitriles by reaction of cyanides with halogen-containing compounds with replacement of halogen atoms by cyano groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Toxicology (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

EL METODO PARA LA ELABORACION DE 2,4-DICLOR-5-FLUORBENZONITRIL SE LLEVA A CABO AL TRANSFORMAR 5-BROMO-2,4-DICLORFLUORBENZOL CON APROXIMADAMENTE DE 10 A 300% DE MOL DE COBRE (I)-CIANID EN PRESENCIA DE UN DISOLVENTE APROTICO Y POLAR DE 10 A 2000% DE MOL A TEMPERATURAS DE 100 A 250 C.
ES92102779T 1991-02-20 1992-02-19 Procedimiento de obtencion de 2,4-dicloro-5-fluorbenzonitrilo. Expired - Lifetime ES2077889T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4105187 1991-02-20

Publications (1)

Publication Number Publication Date
ES2077889T3 true ES2077889T3 (es) 1995-12-01

Family

ID=6425426

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92102779T Expired - Lifetime ES2077889T3 (es) 1991-02-20 1992-02-19 Procedimiento de obtencion de 2,4-dicloro-5-fluorbenzonitrilo.

Country Status (7)

Country Link
US (1) US5187295A (es)
EP (1) EP0500083B1 (es)
JP (1) JP3217425B2 (es)
KR (1) KR100266926B1 (es)
CA (1) CA2061489A1 (es)
DE (1) DE59203617D1 (es)
ES (1) ES2077889T3 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4137270A1 (de) * 1991-11-13 1993-05-19 Bayer Ag Verfahren zur herstellung von 1,2,3-tricyanobenzol, aus 1,2,3-tricyanobenzol erhaeltliche phthalocyanine und ihre verwendung als pigmente
DE59402562D1 (de) * 1993-01-29 1997-06-05 Hoechst Ag Verfahren zur Herstellung chlorierter 4,5-Difluorbenzoesäuren, -benzoesäurederivate und -benzaldehyde
DE19507912A1 (de) * 1995-03-07 1996-09-12 Bayer Ag Verfahren zur Herstellung von 2,4-Dichlor-5-fluorbenzonitril und 2,6-Dichlor-3-fluorbenzonitril

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3009942A (en) * 1958-07-02 1961-11-21 Heyden Newport Chemical Corp Production of trichlorobenzoic acids
NL104319C (es) * 1959-04-28
NL290704A (es) * 1962-04-04
US3644471A (en) * 1969-01-15 1972-02-22 Tenneco Chem Production of 2 5-dichlorobenzonitrile
DE2814690A1 (de) * 1978-04-05 1979-10-18 Celamerck Gmbh & Co Kg Verfahren zur herstellung von 2,5- dichlor-4-cyanophenol
JPS58225053A (ja) * 1982-06-23 1983-12-27 Daikin Ind Ltd トリフルオロメチルベンゼン誘導体の製造方法
JPS5998052A (ja) * 1982-11-26 1984-06-06 Sanwa Kagaku Kenkyusho:Kk ４−クロル−２−ニトロベンゾニトリルの製法
FR2655648B1 (fr) * 1989-12-11 1992-03-13 Isochem Sa Dichloro-2,4-fluoro-5-benzonitrile et procedes pour sa preparation, son application a la preparation de l'acide chloro-2-difluoro-4,5-benzouique et nouveau procede de preparation.

Also Published As

Publication number Publication date
US5187295A (en) 1993-02-16
JPH04312563A (ja) 1992-11-04
EP0500083A2 (de) 1992-08-26
EP0500083A3 (en) 1993-03-03
CA2061489A1 (en) 1992-08-21
KR920016411A (ko) 1992-09-24
DE59203617D1 (de) 1995-10-19
EP0500083B1 (de) 1995-09-13
KR100266926B1 (ko) 2000-09-15
JP3217425B2 (ja) 2001-10-09

Similar Documents

Publication Publication Date Title
GB2357871A (en) A method and apparatus for branch prediction using a second level branch prediction table
JPS53105303A (en) Preprocessing system for audio recognition
DE69105837D1 (de) Gekühlte Turbinenschaufel.
IT8467834A1 (it) Apparecchiatura per effettuare trattamenti su pezzi metallici mediante laser di potenza.
IT8619815A0 (it) Dispositivo per la regolazione della pressione di sovralimentazione di un motore ac.i.
ES2077889T3 (es) Procedimiento de obtencion de 2,4-dicloro-5-fluorbenzonitrilo.
ES2015599B3 (es) Diamino-9, 10-dihidroantraceno y ester de acido poliamidico y poliimidas derivadas.
JPS5419931A (en) Separation of threo, erythro-3-(3,4-dibenzyloxyphenyl)serines
AR005878A1 (es) Procedimiento para la elaboracion del ester metilico del acido 2-(2- metilfenil)-3-metoxiacrilico
DE58908532D1 (de) Phasenregelkreis.
IT8920281A0 (it) Generatore di corrente variabile indipendente dalla temperatura.
JPS5416930A (en) Background display method for display unit
DE59602754D1 (de) VERFAHREN ZUR HERSTELLUNG VON OPTIMIERTEN, SCHMELZTEXTURIERTEN VOLUMENPROBEN AUF DER BASIS DES HOCHTEMPERATURSUPRALEITERS YBa2Cu3O7 (YBCO)
AR005300A1 (es) Un procedimiento para preparar un derivado de oximester de acido 2,6-di (4,6-dimetoxipirimidin-2-il) oxibenzoico con actividad herbicida, un compuesto intermediario empleado en dicho procedimiento y procedimiento para preparar dicho intermediario
JPS53132638A (en) Power recovery system
JPS53125044A (en) Semiconductor laser scanner
JPS53140932A (en) Connection method between digital units
JPS53104456A (en) Compression system refrigerator
JPS51141272A (en) Electronic device for repelling mosquitoes
JPS53115179A (en) Cooling method of circuit parts
JPS5410947A (en) Searching method of poor insulating spots in errosion-prood layer by utilizing live lines
JPS5361891A (en) Method of maintaining handrail for escalator
IT8024353A0 (it) Procedimento per la preparazione di 2,5-dimetil 2,4-esadiene.
JPS5396434A (en) Synchronizing rectifier circuit
JPS52103983A (en) Semiconductor integrated circuit

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 500083

Country of ref document: ES