DE3767618D1 - Verfahren zur herstellung von tetrafluorphthalsaeure. - Google Patents

Verfahren zur herstellung von tetrafluorphthalsaeure.

Info

Publication number
DE3767618D1
DE3767618D1 DE8787112002T DE3767618T DE3767618D1 DE 3767618 D1 DE3767618 D1 DE 3767618D1 DE 8787112002 T DE8787112002 T DE 8787112002T DE 3767618 T DE3767618 T DE 3767618T DE 3767618 D1 DE3767618 D1 DE 3767618D1
Authority
DE
Germany
Prior art keywords
acid
producing
tetrafluorphthalic
tetrafluorophthalimide
organic group
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 - Fee Related
Application number
DE8787112002T
Other languages
English (en)
Inventor
Ito Haruaki
Ishikawa Nobuo
Matsushita Utaro
Shimizu Masaaki
Shimizu Toshiaki
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.)
SDS Biotech Corp
Original Assignee
SDS Biotech Corp
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 SDS Biotech Corp filed Critical SDS Biotech Corp
Application granted granted Critical
Publication of DE3767618D1 publication Critical patent/DE3767618D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D209/00Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/44Iso-indoles; Hydrogenated iso-indoles
    • C07D209/48Iso-indoles; Hydrogenated iso-indoles with oxygen atoms in positions 1 and 3, e.g. phthalimide
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides

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)
  • Indole Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE8787112002T 1986-08-18 1987-08-18 Verfahren zur herstellung von tetrafluorphthalsaeure. Expired - Fee Related DE3767618D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP19175286 1986-08-18
JP30799286 1986-12-25
JP62178882A JPS63258442A (ja) 1986-08-18 1987-07-20 テトラフルオロフタル酸の製造方法

Publications (1)

Publication Number Publication Date
DE3767618D1 true DE3767618D1 (de) 1991-02-28

Family

ID=27324640

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787112002T Expired - Fee Related DE3767618D1 (de) 1986-08-18 1987-08-18 Verfahren zur herstellung von tetrafluorphthalsaeure.

Country Status (5)

Country Link
EP (1) EP0259663B1 (de)
JP (1) JPS63258442A (de)
AT (1) ATE60319T1 (de)
DE (1) DE3767618D1 (de)
ES (1) ES2023157B3 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5086188A (en) * 1991-01-16 1992-02-04 Occidental Chemical Corporation Preparation of 3,5-dichlorophthalic acid and 3,5-dichlorophthalic anhydride
EP0510490B1 (de) * 1991-04-25 1995-02-15 Hoechst Aktiengesellschaft Verfahren zur Herstellung von 2,3,4,5-Tetrafluorbenzoesäure
ES2059175T3 (es) * 1991-04-25 1994-11-01 Hoechst Ag N-amino-3,4,5,6-tetrafluoro-ftalimidas sustituidas en n' y procedimiento para su preparacion.
DE59302798D1 (de) * 1992-07-10 1996-07-11 Hoechst Ag Verfahren zur Herstellung von Tetrafluorphthalsäure und/oder Tetrafluorphthalsäureanhydrid
DE19515986A1 (de) * 1995-05-02 1996-11-07 Hoechst Ag Verfahren zur Herstellung von Salzen substituierter oder unsubstituierter Phthalsäuren
CN115572340B (zh) * 2022-10-25 2023-06-13 重庆理工大学 一种具有结晶性能的酰亚胺聚合物室温磷光材料及其制备方法和应用

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB986892A (en) * 1961-03-22 1965-03-24 Imp Smelting Corp Ltd Tetrafluroobenzene dicarboxylic acids and their derivatives

Also Published As

Publication number Publication date
JPH0557255B2 (de) 1993-08-23
JPS63258442A (ja) 1988-10-25
EP0259663B1 (de) 1991-01-23
ES2023157B3 (es) 1992-01-01
ATE60319T1 (de) 1991-02-15
EP0259663A1 (de) 1988-03-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee