FI972742A - Liuotinvapaa menetelmä 2,6-difluoribentseenin valmistamiseksi - Google Patents

Liuotinvapaa menetelmä 2,6-difluoribentseenin valmistamiseksi Download PDF

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Publication number
FI972742A
FI972742A FI972742A FI972742A FI972742A FI 972742 A FI972742 A FI 972742A FI 972742 A FI972742 A FI 972742A FI 972742 A FI972742 A FI 972742A FI 972742 A FI972742 A FI 972742A
Authority
FI
Finland
Prior art keywords
difluorobenzene
solvent
preparation
free process
free
Prior art date
Application number
FI972742A
Other languages
English (en)
Swedish (sv)
Other versions
FI972742A0 (fi
Inventor
Mark W Zettler
Richard E Tobey
Ronald B Leng
Original Assignee
Dowelanco
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 Dowelanco filed Critical Dowelanco
Publication of FI972742A0 publication Critical patent/FI972742A0/fi
Publication of FI972742A publication Critical patent/FI972742A/fi

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/30—Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Saccharide Compounds (AREA)
  • Catalysts (AREA)
FI972742A 1994-12-28 1997-06-25 Liuotinvapaa menetelmä 2,6-difluoribentseenin valmistamiseksi FI972742A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/365,726 US5502235A (en) 1994-12-28 1994-12-28 Solventless process for making 2,6 difluorobenzonitrile
PCT/US1995/014971 WO1996020168A1 (en) 1994-12-28 1995-11-17 Solventless process for making 2,6-difluorobenzonitrile

Publications (2)

Publication Number Publication Date
FI972742A0 FI972742A0 (fi) 1997-06-25
FI972742A true FI972742A (fi) 1997-08-27

Family

ID=23440092

Family Applications (1)

Application Number Title Priority Date Filing Date
FI972742A FI972742A (fi) 1994-12-28 1997-06-25 Liuotinvapaa menetelmä 2,6-difluoribentseenin valmistamiseksi

Country Status (18)

Country Link
US (1) US5502235A (fi)
EP (1) EP0800506B1 (fi)
JP (1) JPH10511941A (fi)
CN (1) CN1174546A (fi)
AR (1) AR000556A1 (fi)
AT (1) ATE187959T1 (fi)
AU (1) AU702641B2 (fi)
BR (1) BR9510428A (fi)
CA (1) CA2209141A1 (fi)
DE (1) DE69514122T2 (fi)
DK (1) DK0800506T3 (fi)
ES (1) ES2139951T3 (fi)
FI (1) FI972742A (fi)
HU (1) HU215936B (fi)
IL (1) IL116634A (fi)
TW (1) TW307748B (fi)
WO (1) WO1996020168A1 (fi)
ZA (1) ZA9510902B (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0847977B1 (en) * 1995-06-20 2001-08-29 Nippon Soda Co., Ltd. 2,3-dihalogeno-6-trifluoromethylbenzene derivatives and process for producing the same
DE19702282C2 (de) * 1997-01-23 1998-11-19 Hoechst Ag Katalysator für Halex-Reaktionen
MXPA03010352A (es) * 2001-05-17 2004-03-16 Rhodia Chimie Sa Uso de una composicion de naturaleza ionica como reactivo de sustitucion, composicion que constituye un reactivo de fluoracion y metodo que la utiliza.
DE10227223A1 (de) * 2002-06-18 2004-01-08 Kühlein, Klaus, Prof.Dr. Verfahren zur Herstellung substituierter organischer Verbindungen und Verwendung von Katalysatoren für Substitutionsreaktionen
CN103044388B (zh) * 2011-10-17 2015-04-15 张家港市国泰华荣化工新材料有限公司 一种3,4—二氟环丁砜的制备方法
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
CN112939782B (zh) * 2019-12-11 2022-09-30 兰州康鹏威耳化工有限公司 一种含氟芳基化合物的制备方法
CN113024414A (zh) * 2021-03-23 2021-06-25 江苏合泰新材料科技有限公司 一种高效合成含氟化合物的方法

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB995927A (en) * 1962-10-23 1965-06-23 Imp Smelting Corp Ltd Fluorination of perhalo compounds
NL302228A (fi) * 1962-12-20
NL129620C (fi) * 1963-04-01
US4051168A (en) * 1976-05-12 1977-09-27 E. I. Du Pont De Nemours And Company Fluorination process
US4229365A (en) * 1977-05-28 1980-10-21 Basf Aktiengesellschaft Manufacture of substituted fluorobenzenes
DE2803259A1 (de) * 1978-01-26 1979-08-02 Basf Ag Verfahren zur herstellung von fluorbenzolen
DE2902877C2 (de) * 1978-01-28 1983-05-05 I.S.C. Chemicals Ltd., London Verfahren zur Herstellung eines Fluorbenzomononitrils
DE2938939A1 (de) * 1978-10-05 1980-04-17 Boots Co Ltd Verfahren zur herstellung von fluornitrobenzolen
US4174349A (en) * 1978-10-30 1979-11-13 Allied Chemical Corporation Preparation of fluoroorganic compounds with calcium fluoride
FR2490634A1 (fr) * 1980-09-25 1982-03-26 Rhone Poulenc Ind Procede de preparation de fluorobenzonitriles
JPS57197226A (en) * 1981-05-30 1982-12-03 Dainippon Ink & Chem Inc Preparation of aromatic fluorine compound
EP0073372B1 (en) * 1981-08-31 1984-08-01 Ishihara Sangyo Kaisha, Ltd. Process for producing 2,6-difluorobenzonitrile
DE3478681D1 (en) * 1983-02-18 1989-07-20 Nippon Catalytic Chem Ind Organic fluorine compounds
JPS604159A (ja) * 1983-06-23 1985-01-10 Ishihara Sangyo Kaisha Ltd フルオロベンゾニトリル系化合物の製造方法
US4704483A (en) * 1984-04-27 1987-11-03 Occidental Chemical Corporation 3,4-difluoro-5-nitrobenzotrifluoride and preparation of fluoro-nitro-benzotrifluorides
US4952719A (en) * 1984-10-15 1990-08-28 Occidental Chemical Corporation Process for the preparation of halo aromatic compounds
GB8500180D0 (en) * 1985-01-04 1985-02-13 Ici Plc Chemical process
US4680406A (en) * 1985-10-15 1987-07-14 The Dow Chemical Company Process for fluorinating halogenated organo-compounds
JPS62114939A (ja) * 1985-11-14 1987-05-26 Sumitomo Chem Co Ltd フルオロベンゼン誘導体の製造法
US4849552A (en) * 1986-01-06 1989-07-18 Mallinckrodt, Inc. Preparation of fluoroaromatic compounds in dispersion of potassium fluoride
DE3681919D1 (de) * 1986-01-06 1991-11-14 Mallinckrodt Speciality Chemic Katalytisches verfahren zur herstellung von fluoraromatischen verbindungen mittels verzweigter alkylpyridiniumsalze.
US4973771A (en) * 1986-01-06 1990-11-27 Mallinckrodt, Inc. Phase transfer catalysts
US4642398A (en) * 1986-01-06 1987-02-10 Mallinckrodt, Inc. Preparation of fluoronitrobenzene compounds in dispersion of potassium fluoride
DE3642326A1 (de) * 1986-12-11 1988-06-23 Bayer Ag Verfahren zur gewinnung von substituierten fluorbenzolen
US4973772A (en) * 1987-02-07 1990-11-27 Mallinckrodt, Inc. Catalytic method for producing fluoroarmatic compounds using substituted pyridinium salts
JP2577567B2 (ja) * 1987-07-07 1997-02-05 イハラケミカル工業株式会社 芳香族フッ素化合物の製造方法
DE3827436A1 (de) * 1988-08-12 1990-02-15 Bayer Ag Verfahren zum einfuehren von fluoratomen an aromatische kerne durch nucleophilen austausch
EP0536175B1 (de) * 1990-06-25 1995-09-20 Hoechst Aktiengesellschaft Verfahren zur herstellung von chlorfluornitrobenzolen und difluornitrobenzolen
EP0635486B1 (de) * 1993-07-21 1998-12-09 Clariant GmbH Verfahren zur Herstellung von Fluorbenzonitrilen

Also Published As

Publication number Publication date
BR9510428A (pt) 1998-07-07
CN1174546A (zh) 1998-02-25
AU4164596A (en) 1996-07-19
DK0800506T3 (da) 2000-05-15
EP0800506B1 (en) 1999-12-22
AR000556A1 (es) 1997-07-10
DE69514122D1 (de) 2000-01-27
EP0800506A1 (en) 1997-10-15
WO1996020168A1 (en) 1996-07-04
JPH10511941A (ja) 1998-11-17
TW307748B (fi) 1997-06-11
IL116634A0 (en) 1996-03-31
ES2139951T3 (es) 2000-02-16
HUT77239A (hu) 1998-03-02
IL116634A (en) 2003-04-10
HU215936B (hu) 1999-03-29
DE69514122T2 (de) 2000-04-20
FI972742A0 (fi) 1997-06-25
ZA9510902B (en) 1997-06-23
AU702641B2 (en) 1999-02-25
CA2209141A1 (en) 1996-07-04
ATE187959T1 (de) 2000-01-15
US5502235A (en) 1996-03-26

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