FR2549048B1 - Procede de preparation du 2,6-difluorobenzonitrile a partir du 2,6-dichlorobenzonitrile - Google Patents

Procede de preparation du 2,6-difluorobenzonitrile a partir du 2,6-dichlorobenzonitrile

Info

Publication number
FR2549048B1
FR2549048B1 FR8409817A FR8409817A FR2549048B1 FR 2549048 B1 FR2549048 B1 FR 2549048B1 FR 8409817 A FR8409817 A FR 8409817A FR 8409817 A FR8409817 A FR 8409817A FR 2549048 B1 FR2549048 B1 FR 2549048B1
Authority
FR
France
Prior art keywords
dichlorobenzonitrile
difluorobenzonitrile
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
FR8409817A
Other languages
English (en)
French (fr)
Other versions
FR2549048A1 (fr
Inventor
Yasuhiro Tsujii
Shigeo Murai
Tatsuo Isogai
Keiichiko Ito
Sadao Tsukada
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.)
Ishihara Sangyo Kaisha Ltd
Original Assignee
Ishihara Sangyo Kaisha 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 Ishihara Sangyo Kaisha Ltd filed Critical Ishihara Sangyo Kaisha Ltd
Publication of FR2549048A1 publication Critical patent/FR2549048A1/fr
Application granted granted Critical
Publication of FR2549048B1 publication Critical patent/FR2549048B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR8409817A 1983-06-23 1984-06-22 Procede de preparation du 2,6-difluorobenzonitrile a partir du 2,6-dichlorobenzonitrile Expired FR2549048B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11348083A JPS604159A (ja) 1983-06-23 1983-06-23 フルオロベンゾニトリル系化合物の製造方法

Publications (2)

Publication Number Publication Date
FR2549048A1 FR2549048A1 (fr) 1985-01-18
FR2549048B1 true FR2549048B1 (fr) 1987-12-24

Family

ID=14613344

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8409817A Expired FR2549048B1 (fr) 1983-06-23 1984-06-22 Procede de preparation du 2,6-difluorobenzonitrile a partir du 2,6-dichlorobenzonitrile

Country Status (5)

Country Link
JP (1) JPS604159A (enrdf_load_stackoverflow)
CH (1) CH660361A5 (enrdf_load_stackoverflow)
DE (1) DE3422936A1 (enrdf_load_stackoverflow)
FR (1) FR2549048B1 (enrdf_load_stackoverflow)
GB (1) GB2142018B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6023358A (ja) * 1983-07-19 1985-02-05 Ishihara Sangyo Kaisha Ltd ２，４，６−トリフルオロベンゾニトリル
US5530158A (en) * 1984-06-04 1996-06-25 Bayer Aktiengesellschaft 2,4,5-trihalogeno- and 2,3,4,5-tetrahalogenobenzene derivatives
US5200548A (en) * 1984-06-04 1993-04-06 Bayer Aktiengesellschaft 2,4,5-Trihalogeno- and 2,3,4,5-tetrahalogenobenzene derivatives
US5502235A (en) * 1994-12-28 1996-03-26 Dowelanco Solventless process for making 2,6 difluorobenzonitrile
US6437168B1 (en) 2000-09-05 2002-08-20 Nippon Shokubai Co., Ltd. Method for production of aromatic fluorine compound
CN104387289B (zh) * 2014-10-30 2017-09-01 天津河清化学工业有限公司 二氟苯腈生产中降低催化剂用量的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1026290A (en) * 1964-03-17 1966-04-14 Robert Neville Haszeldine Aromatic fluorine compounds
US3240824A (en) * 1965-01-28 1966-03-15 Olin Mathieson Process for preparing fluoronitrobenzenes

Also Published As

Publication number Publication date
JPH0216746B2 (enrdf_load_stackoverflow) 1990-04-18
GB8415348D0 (en) 1984-07-18
GB2142018B (en) 1986-12-10
FR2549048A1 (fr) 1985-01-18
DE3422936A1 (de) 1985-01-03
GB2142018A (en) 1985-01-09
CH660361A5 (de) 1987-04-15
JPS604159A (ja) 1985-01-10
DE3422936C2 (enrdf_load_stackoverflow) 1989-11-16

Similar Documents

Publication Publication Date Title
RO89371A2 (ro) Procedeu de preparare a unor 2-benzoil/1,3-ciclohexandione substituite cu activitate erbicida
MA19716A1 (fr) Procede de preparation de nouveaux derives 3- ceto a 4,9 19- norsteroides .
RO89372A2 (ro) Procedeu de preparare a unor 2-benzoil-1,3-ciclohexandione substituite cu activitate erbicida
RO89692A (ro) Procedeu de preparare a unor 2-benzoil-1,3-ciclohexandione substituite cu activitate erbicida
RO85591A (ro) Procedeu de obtinere a unui catalizator de argint utilizat la fabricarea o0idului de etilena
FR2545380B1 (fr) Procede de fabrication de catalyseurs de conversion d'hydrocarbures
FR2527615B1 (fr) Procede de preparation du 26,26,26,27,27,27-hexafluoro-1a,25-dihydroxycholesterol
RO90187A (ro) Procedeu de obtinere a unui catalizator de argint utilizat la fabricarea oxidului de etilena
IT1212805B (it) Procedimento per la fabbricazione di p-terz.butil benzaldeide
OA07747A (fr) Procédé de production d'alcools.
ES538579A0 (es) Un procedimiento para la produccion de 3,3",4"-tri-o-acilespiramicina i"-.
FR2562541B1 (fr) Procede stereocontrole de preparation d'acetoxyazetidinone
FR2556339B1 (fr) Procede catalytique de preparation de trifluoroacetaldehyde
FR2549048B1 (fr) Procede de preparation du 2,6-difluorobenzonitrile a partir du 2,6-dichlorobenzonitrile
FR2556340B1 (fr) Procede catalytique de preparation d'hexafluoroacetone
FR2549039B1 (fr) Procede de preparation de 3,3,3-trifluoro-2-trifluoro-mehylpropene
DE3560107D1 (de) Process for preparing pure 2,6-dichlorobenzonitrile
FR2607808B1 (fr) Procede de preparation de trifluoromethylbenzonitrile a partir de trifluoromethylbenzaldehyde
FR2561237B1 (fr) Procede de production de 2-chloro-4-fluorophenol a partir de 4-fluorophenol
IT8222419A1 (it) Guarnizione piatta, come pure procedimento per la sua fabbricazione
FR2549042B1 (fr) Procede pour la preparation de la 3,11-dimethyl-2-nonacosanone
FI833704A7 (fi) Menetelmä dibentsatsepiinikarboksamidien valmistamiseksi.
FR2566389B1 (fr) Procede de production d'un 1,4-dialkylbenzene
FR2621582B1 (fr) Procede de preparation de 1,1,1-trifluoro-2,2-dichloroethane a partir du trifluorotrichloroethane
FR2590572B1 (fr) Procede pour la preparation du (+/-)14, 15-dihydro-(3 b, 14 a, 16 a)-20,21,dinoreburnamenine

Legal Events

Date Code Title Description
ST Notification of lapse
ST Notification of lapse