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GB2142018B - Method for producing 2,6-difluorobenzonitrile - Google Patents

Method for producing 2,6-difluorobenzonitrile

Info

Publication number
GB2142018B
GB2142018B GB08415348A GB8415348A GB2142018B GB 2142018 B GB2142018 B GB 2142018B GB 08415348 A GB08415348 A GB 08415348A GB 8415348 A GB8415348 A GB 8415348A GB 2142018 B GB2142018 B GB 2142018B
Authority
GB
United Kingdom
Prior art keywords
difluorobenzonitrile
producing
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
GB08415348A
Other versions
GB8415348D0 (en
GB2142018A (en
Inventor
Yasuhiro Tsujii
Shigeo Murai
Tatsuo Isogai
Keiichilo 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 GB8415348D0 publication Critical patent/GB8415348D0/en
Publication of GB2142018A publication Critical patent/GB2142018A/en
Application granted granted Critical
Publication of GB2142018B publication Critical patent/GB2142018B/en
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)
GB08415348A 1983-06-23 1984-06-15 Method for producing 2,6-difluorobenzonitrile Expired GB2142018B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11348083A JPS604159A (en) 1983-06-23 1983-06-23 Production of fluorobenzonitrile compound

Publications (3)

Publication Number Publication Date
GB8415348D0 GB8415348D0 (en) 1984-07-18
GB2142018A GB2142018A (en) 1985-01-09
GB2142018B true GB2142018B (en) 1986-12-10

Family

ID=14613344

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08415348A Expired GB2142018B (en) 1983-06-23 1984-06-15 Method for producing 2,6-difluorobenzonitrile

Country Status (5)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6023358A (en) * 1983-07-19 1985-02-05 Ishihara Sangyo Kaisha Ltd 2,4,6-trifluorobenzonitrile
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 (en) * 2014-10-30 2017-09-01 天津河清化学工业有限公司 The method of catalyst amount is reduced in difluorobenzonilyile production

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
DE3422936A1 (en) 1985-01-03
JPS604159A (en) 1985-01-10
JPH0216746B2 (en) 1990-04-18
CH660361A5 (en) 1987-04-15
GB8415348D0 (en) 1984-07-18
GB2142018A (en) 1985-01-09
FR2549048B1 (en) 1987-12-24
FR2549048A1 (en) 1985-01-18
DE3422936C2 (en) 1989-11-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970615