FR2415626A1 - Procede pour la preparation de fluorobenzonitriles par echange d'halogenes dans un solvant - Google Patents

Procede pour la preparation de fluorobenzonitriles par echange d'halogenes dans un solvant

Info

Publication number
FR2415626A1
FR2415626A1 FR7902108A FR7902108A FR2415626A1 FR 2415626 A1 FR2415626 A1 FR 2415626A1 FR 7902108 A FR7902108 A FR 7902108A FR 7902108 A FR7902108 A FR 7902108A FR 2415626 A1 FR2415626 A1 FR 2415626A1
Authority
FR
France
Prior art keywords
solvent
fluorobenzonitriles
halogens
exchange
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.)
Granted
Application number
FR7902108A
Other languages
English (en)
French (fr)
Other versions
FR2415626B1 (enExample
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.)
ISC Chemicals Ltd
Original Assignee
ISC Chemicals Ltd
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 ISC Chemicals Ltd filed Critical ISC Chemicals Ltd
Publication of FR2415626A1 publication Critical patent/FR2415626A1/fr
Application granted granted Critical
Publication of FR2415626B1 publication Critical patent/FR2415626B1/fr
Granted 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7902108A 1978-01-28 1979-01-26 Procede pour la preparation de fluorobenzonitriles par echange d'halogenes dans un solvant Granted FR2415626A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB357678 1978-01-28

Publications (2)

Publication Number Publication Date
FR2415626A1 true FR2415626A1 (fr) 1979-08-24
FR2415626B1 FR2415626B1 (enExample) 1983-08-12

Family

ID=9760949

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7902108A Granted FR2415626A1 (fr) 1978-01-28 1979-01-26 Procede pour la preparation de fluorobenzonitriles par echange d'halogenes dans un solvant

Country Status (4)

Country Link
US (1) US4209457A (enExample)
DE (1) DE2902877C2 (enExample)
FR (1) FR2415626A1 (enExample)
NL (1) NL7900615A (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0073372B1 (en) * 1981-08-31 1984-08-01 Ishihara Sangyo Kaisha, Ltd. Process for producing 2,6-difluorobenzonitrile
EP0120575B1 (en) * 1983-02-18 1989-06-14 Nippon Shokubai Kagaku Kogyo Co., Ltd Organic fluorine compounds
JPS6094919A (ja) * 1983-10-31 1985-05-28 Nippon Shokubai Kagaku Kogyo Co Ltd 有機フツ素化物の製法
US4952719A (en) * 1984-10-15 1990-08-28 Occidental Chemical Corporation Process for the preparation of halo aromatic compounds
US5214187A (en) * 1988-06-21 1993-05-25 Basf Aktiengesellschaft Benzonitriles, benzaldehydes and benzyl alcohols
US5153350A (en) * 1991-05-16 1992-10-06 Braish Tamim F Process for preparing 3,4,6-trifluorophithalonitrile
DE59401358D1 (de) * 1993-01-23 1997-02-06 Hoechst Ag 2,3-Difluor-6-nitrobenzonitril und 2-Chlor-5,6-difluorbenzonitril, Verfahren zu deren Herstellung und ihre Verwendung zur Herstellung von 2,3,6-Trifluorbenzoesäure
US5502235A (en) * 1994-12-28 1996-03-26 Dowelanco Solventless process for making 2,6 difluorobenzonitrile
US5824827A (en) * 1996-11-22 1998-10-20 Albemarle Corporation Halogen exchange reactions
CN1122004C (zh) 1996-11-22 2003-09-24 阿尔伯麦尔公司 卤素交换反应及其应用
US5789631A (en) * 1996-11-25 1998-08-04 Albemarle Corporation Production of perhalobenzenes
US5965781A (en) * 1997-11-21 1999-10-12 Albemarle Corporation Catalysis in halogen exchange reactions
CN1097482C (zh) * 2000-12-25 2003-01-01 化学工业部天津化工研究设计院 一种邻(对)甲基苯腈催化剂的制备方法
CN100427462C (zh) * 2006-11-27 2008-10-22 浙江大学 2,4-二氟苯腈的制备工艺

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1359410A (fr) * 1962-04-04 1964-04-24 Nat Smelting Co Ltd Procédé de préparation de nitriles aromatiques fluorés
GB1026290A (en) * 1964-03-17 1966-04-14 Robert Neville Haszeldine Aromatic fluorine compounds
US3975424A (en) * 1974-07-04 1976-08-17 Agency Of Industrial Science & Technology Method for manufacture of tetrafluoroterephthalonitrile

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL129620C (enExample) * 1963-04-01
GB1259173A (enExample) * 1968-03-28 1972-01-05

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1359410A (fr) * 1962-04-04 1964-04-24 Nat Smelting Co Ltd Procédé de préparation de nitriles aromatiques fluorés
GB1026290A (en) * 1964-03-17 1966-04-14 Robert Neville Haszeldine Aromatic fluorine compounds
US3975424A (en) * 1974-07-04 1976-08-17 Agency Of Industrial Science & Technology Method for manufacture of tetrafluoroterephthalonitrile

Also Published As

Publication number Publication date
DE2902877A1 (de) 1979-08-23
FR2415626B1 (enExample) 1983-08-12
NL7900615A (nl) 1979-07-31
US4209457A (en) 1980-06-24
DE2902877C2 (de) 1983-05-05

Similar Documents

Publication Publication Date Title
FR2368457A1 (fr) Procede de preparation de cetones contenant du fluor
US4873027A (en) Fluoroalkylaryliodonuim compounds
FR2381748A1 (fr) Procede pour la fabrication de cyanures d'acyle (b) et produits ainsi obtenus
US5374737A (en) Process for the preparation of 2-aminobenzothiazoles
KR830007670A (ko) 페니실란오일옥시메틸 페니실라네이트 1, 1, 1', 1'-테트라옥사이드의 제조방법
FR2364894A1 (fr) Procede pour la fabrication de cyanure de benzoyle
FR2363544A1 (fr) Procede pour l'obtention d'esters alkyliques de l'acide cyanoacetique a substitue
MX156413A (es) Procedimiento para la preparacion de salicilato de sodio
FR2420519A1 (fr) Procede de preparation de trifluoromethylphenols
US2514473A (en) Amides of fluorinated propionic
Hauptschein et al. Fluorocarbon Nitro Alcohols and α-Hydroxycarboxylic Acids. The Reaction of Dinitrogen Tetroxide with 2H-Polyfluoro-1-alkenes
JPH024580B2 (enExample)
FR2370740A1 (fr) Procede de preparation de chlorure de n,n-dimethyl-piperidinium ou de chlorure de n,n-dimethylmorpholinium
BR8205950A (pt) Processo para a obtencao de compostos alfa-diciano-trimetil-sililoxi
Ueda et al. A New Route to Tetrafluorophthalonitrile and Tetrafluoroterephthalonitrile
FR2417492A1 (fr) Preparation du nitro-2 methyl-2 propanol-1
FR2400538A1 (fr) Procede pour la preparation de colorants basiques
US3954878A (en) Synthesis of bis(2-substituted ethylthiomethyl) ethers
US3784610A (en) Substituted phenoxy-and phenylthio-alkanols and alkanethiols
US4418228A (en) Process for ring bromination of nitrobenzene
SU1132789A3 (ru) Способ получени 2-амино-4-гидрокси-5-галогенпиримидинов
IL63850A0 (en) Preparation of 3-bromo-4-fluorobenzoic acid
UA15553A (uk) Спосіб одержаhhя калієвої солі дисірчаhокислого ефіру лейкосполучеhhя 3-хлор-2-ацетиламіhоаhтрахіhоhу
FR2431486A1 (fr) Procede de production de cyclopropane-nitriles
JPS6094919A (ja) 有機フツ素化物の製法

Legal Events

Date Code Title Description
ST Notification of lapse