CA1234152A - Fluorination process - Google Patents

Fluorination process

Info

Publication number
CA1234152A
CA1234152A CA000463423A CA463423A CA1234152A CA 1234152 A CA1234152 A CA 1234152A CA 000463423 A CA000463423 A CA 000463423A CA 463423 A CA463423 A CA 463423A CA 1234152 A CA1234152 A CA 1234152A
Authority
CA
Canada
Prior art keywords
fluoride
temperature
reaction
mixture
compound
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
CA000463423A
Other languages
English (en)
French (fr)
Inventor
Alan T. Costello
Peter J.V. Cleare
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.)
Syngenta Ltd
Original Assignee
Imperial Chemical Industries 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of CA1234152A publication Critical patent/CA1234152A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/58—Preparation of carboxylic acid halides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA000463423A 1983-09-16 1984-09-17 Fluorination process Expired CA1234152A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838324902A GB8324902D0 (en) 1983-09-16 1983-09-16 Chemical process
GB8324902 1983-09-16

Publications (1)

Publication Number Publication Date
CA1234152A true CA1234152A (en) 1988-03-15

Family

ID=10548910

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000463423A Expired CA1234152A (en) 1983-09-16 1984-09-17 Fluorination process

Country Status (6)

Country Link
EP (1) EP0140482B1 (cg-RX-API-DMAC7.html)
JP (1) JPS6087244A (cg-RX-API-DMAC7.html)
CA (1) CA1234152A (cg-RX-API-DMAC7.html)
DE (1) DE3468676D1 (cg-RX-API-DMAC7.html)
GB (2) GB8324902D0 (cg-RX-API-DMAC7.html)
HU (1) HU193589B (cg-RX-API-DMAC7.html)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3621707A1 (de) * 1986-06-28 1988-01-07 Bayer Ag Verfahren zur herstellung von 2,3,5,6-tetrafluorbenzoesaeure und die neuen verbindungen 2,3,5,6-tetrachlor-4-trifluormethyl-benzoylchlorid und 2,3,5,6-tetrafluor-4-trifluormethyl-benzoylfluorid
GB8705187D0 (en) * 1987-03-05 1987-04-08 Shell Int Research Benzoic acid derivative
DE59200338D1 (de) * 1991-04-25 1994-09-08 Hoechst Ag N'-substituierte N-Amino-3,4,5,6-tetrafluorphthalimide und Verfahren zu ihrer Herstellung.
ES2070545T3 (es) * 1991-04-25 1995-06-01 Hoechst Ag Procedimiento para la preparacion de acido 2,3,4,5-tetrafluoro-benzoico.
ES2089644T3 (es) * 1992-07-10 1996-10-01 Hoechst Ag Procedimiento para la preparacion de acido tetrafluoro-ftalico y/o anhidrido de acido tetrafluoro-ftalico.
JP4967613B2 (ja) * 2005-12-06 2012-07-04 住友化学株式会社 テトラフルオロテレフタル酸ジフルオライドの製造方法
ES2391784T3 (es) * 2005-12-06 2012-11-29 Sumitomo Chemical Company Limited Método para producir difluoruro del ácido tetrafluorotereftálico
HUP0800492A2 (en) * 2005-12-08 2010-01-28 Sumitomo Chemical Co Method for producing tartrafluoroterephthalic acid difluoride
JP4973143B2 (ja) * 2005-12-08 2012-07-11 住友化学株式会社 テトラフルオロテレフタル酸ジフルオライドの製造法
WO2007126142A1 (ja) 2006-04-27 2007-11-08 Sumitomo Chemical Company, Limited フッ化カリウム分散液およびそれを用いる含フッ素有機化合物の製造方法
JP5250997B2 (ja) * 2006-04-27 2013-07-31 住友化学株式会社 フッ化カリウム分散液およびそれを用いる含フッ素有機化合物の製造方法
US7973201B2 (en) 2006-06-27 2011-07-05 Sumitomo Chemical Company, Limited Process for production of halogen-substituted benzenedimethanol
WO2010114137A1 (ja) 2009-03-31 2010-10-07 住友化学株式会社 アルコール化合物の製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4174349A (en) * 1978-10-30 1979-11-13 Allied Chemical Corporation Preparation of fluoroorganic compounds with calcium fluoride
DE2928987A1 (de) * 1979-07-18 1981-02-12 Bayer Ag 4-fluor-3-brom-benzoylfluorid und verfahren zu seiner herstellung
CA1157884A (en) * 1980-04-16 1983-11-29 Byron R. Cotter Process for the preparation of trifluoromethylbenzoyl halides
DE3140634A1 (de) * 1981-10-13 1983-04-21 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von kernfluorierten benzoylfluoriden

Also Published As

Publication number Publication date
EP0140482A2 (en) 1985-05-08
EP0140482B1 (en) 1988-01-13
HU193589B (en) 1987-10-28
EP0140482A3 (en) 1985-06-05
GB2146635B (en) 1987-05-13
JPS6087244A (ja) 1985-05-16
JPH0466220B2 (cg-RX-API-DMAC7.html) 1992-10-22
HUT36773A (en) 1985-10-28
GB8418835D0 (en) 1984-08-30
GB2146635A (en) 1985-04-24
GB8324902D0 (en) 1983-10-19
DE3468676D1 (en) 1988-02-18

Similar Documents

Publication Publication Date Title
CA1234152A (en) Fluorination process
JPH069456A (ja) ２−ペルフルオロアルキルエチルアルコール類の製造法
GB2219292A (en) Process of preparing 1,2,2,2-tetrafluoroethyl-difluoromethyl ether
JP2667720B2 (ja) 電子吸引置換基を含むジフルオロベンゼンの製造法
JPH02339B2 (cg-RX-API-DMAC7.html)
GB2122190A (en) Decarboxylation of halogenated benzoic acids or esters
US4400325A (en) Process for the preparation of pure, saturated perfluoroalkane-1-carboxylic acids from 1-iodoperfluoroalkanes
EP0813515B1 (en) Process for the preparation of esters of stilbenedicarbonic acid and process for the preparation of p-(chloromethyl)-benzoic acid
US4500471A (en) Preparation of trifluoromethyl-benzoyl halides
US3833652A (en) Preparation of tetrachloroterephthaloyl chloride from chlorination of terephthaloyl chloride or terephthalic acid in a solution of chlorosulfonic acid
CA1164016A (en) Liquid phase synthesis of hexafluoroisobutylene
JPH0149253B2 (cg-RX-API-DMAC7.html)
US4755621A (en) Process for the preparation of 2,3,5,6-tetrafluorobenzoic acid, and the new compounds 2,3,5,6-tetrachloro-4-trifluoromethyl-benzoyl chloride and 2,3,5,6-tetrafluoro-4-trifluoromethyl-benzoyl fluoride
US4334099A (en) Preparation of hexafluoroacetone from hexafluorothioacetone dimer
GB1586671A (en) Manufacture of esters
EP0038223B1 (en) Process for the preparation of trifluoromethylbenzoyl halides
US4937396A (en) Preparation of 3,4-difluorobenzotrifluoride
US4330366A (en) Process for the preparation of halogenated benzoyl fluorides
JP2520254B2 (ja) ３，４，５−トリフルオロ安息香酸誘導体およびその製造方法
JPS59139329A (ja) ４−フルオロベンゾトリフルオライド類の製造法
US4937391A (en) Process for preparing perfluoro-(2-bromoethyl-vinyl-ether)
JP2934660B2 (ja) メタフルオロベンゾニトリル類の製造方法
JP3149537B2 (ja) １ｈ−ペルフルオロアルカンの製造法
CA1329938C (en) Process for preparing 2-bromoethyl acetate
JPS627185B2 (cg-RX-API-DMAC7.html)

Legal Events

Date Code Title Description
MKEX Expiry