HUP0800492A2 - Method for producing tartrafluoroterephthalic acid difluoride - Google Patents

Method for producing tartrafluoroterephthalic acid difluoride

Info

Publication number
HUP0800492A2
HUP0800492A2 HU0800492A HUP0800492A HUP0800492A2 HU P0800492 A2 HUP0800492 A2 HU P0800492A2 HU 0800492 A HU0800492 A HU 0800492A HU P0800492 A HUP0800492 A HU P0800492A HU P0800492 A2 HUP0800492 A2 HU P0800492A2
Authority
HU
Hungary
Prior art keywords
tartrafluoroterephthalic
producing
acid difluoride
difluoride
acid
Prior art date
Application number
HU0800492A
Other languages
English (en)
Hungarian (hu)
Inventor
Koji Hagiya
Original Assignee
Sumitomo Chemical Co
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 Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of HUP0800492A2 publication Critical patent/HUP0800492A2/hu

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
    • C07C51/60—Preparation of carboxylic acid halides by conversion of carboxylic acids or their anhydrides or esters, lactones, salts into halides with the same carboxylic acid part
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/14—Preparation of carboxylic acid esters from 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)
HU0800492A 2005-12-08 2006-11-21 Method for producing tartrafluoroterephthalic acid difluoride HUP0800492A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005354490 2005-12-08
PCT/JP2006/323626 WO2007066529A1 (ja) 2005-12-08 2006-11-21 テトラフルオロテレフタル酸ジフルオライドの製造法

Publications (1)

Publication Number Publication Date
HUP0800492A2 true HUP0800492A2 (en) 2010-01-28

Family

ID=38122677

Family Applications (1)

Application Number Title Priority Date Filing Date
HU0800492A HUP0800492A2 (en) 2005-12-08 2006-11-21 Method for producing tartrafluoroterephthalic acid difluoride

Country Status (3)

Country Link
CN (1) CN101321720B (ja)
HU (1) HUP0800492A2 (ja)
WO (1) WO2007066529A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2471766B1 (en) * 2007-02-16 2013-09-04 Sumitomo Chemical Company, Limited Process for producing 4-methyl-2,3,5,6-tetrafluorobenzyl alcohol

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8324902D0 (en) * 1983-09-16 1983-10-19 Ici Plc Chemical process
DE68917567T2 (de) * 1988-11-28 1994-12-22 Dowelanco Verfahren zur Herstellung von Difluorbenzolen mit elektronenabziehenden Substituenten.

Also Published As

Publication number Publication date
WO2007066529A1 (ja) 2007-06-14
CN101321720B (zh) 2012-12-26
CN101321720A (zh) 2008-12-10

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Legal Events

Date Code Title Description
FD9A Lapse of provisional protection due to non-payment of fees