BE1002765A4 - Procede de preparation d'acide tetrafluorophtalique. - Google Patents

Procede de preparation d'acide tetrafluorophtalique. Download PDF

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Publication number
BE1002765A4
BE1002765A4 BE8800191A BE8800191A BE1002765A4 BE 1002765 A4 BE1002765 A4 BE 1002765A4 BE 8800191 A BE8800191 A BE 8800191A BE 8800191 A BE8800191 A BE 8800191A BE 1002765 A4 BE1002765 A4 BE 1002765A4
Authority
BE
Belgium
Prior art keywords
acid preparation
tetrafluorophthalic acid
acid
tetrafluorophthalic
group
Prior art date
Application number
BE8800191A
Other languages
English (en)
French (fr)
Inventor
Ito Haruaki
Ishikawa Nobuo
Matsushita Utaro
Shimizu Masaaki
Shimizu Toshiaki
Original Assignee
Sds Biotech Kk
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
Priority claimed from JP62178882A external-priority patent/JPS63258442A/ja
Application filed by Sds Biotech Kk filed Critical Sds Biotech Kk
Application granted granted Critical
Publication of BE1002765A4 publication Critical patent/BE1002765A4/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/44—Iso-indoles; Hydrogenated iso-indoles
    • C07D209/48—Iso-indoles; Hydrogenated iso-indoles with oxygen atoms in positions 1 and 3, e.g. phthalimide
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation 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)
  • Indole Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE8800191A 1987-07-20 1988-02-17 Procede de preparation d'acide tetrafluorophtalique. BE1002765A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
BE1002765A4 true BE1002765A4 (fr) 1991-06-04

Family

ID=16056348

Family Applications (1)

Application Number Title Priority Date Filing Date
BE8800191A BE1002765A4 (fr) 1987-07-20 1988-02-17 Procede de preparation d'acide tetrafluorophtalique.

Country Status (4)

Country Link
BE (1) BE1002765A4 (enEXAMPLES)
CA (1) CA1305722C (enEXAMPLES)
IN (1) IN166944B (enEXAMPLES)
SE (1) SE502467C2 (enEXAMPLES)

Citations (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

Patent Citations (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

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, vol. 64, no. 10, 9 mai 1966, abrégé no. 14124h, Columbus, Ohio, US; G.G. YAKOBSON et al.: "Aromatic fluoro derivatives. XVII. Tetrafluorophthalic acid", & ZH. OBSHCH. KHIM. 36(1), 139-42 (1966) *
CHEMICAL ABSTRACTS, vol. 85, no. 5, 2 août 1976, page 359, colonne 2, abrégé no. 32584q, Columbus, Ohio, US; N. ISHIKAWA et al.: "Synthesis of fluorinated aromatic monomers. IX. Self-condensation of tetrafluorophthalimide and related reactions", & NIPPON KAGAKU KAISHI, 1976, (1), 200-2 *

Also Published As

Publication number Publication date
SE502467C2 (sv) 1995-10-23
SE8800484L (sv) 1989-01-21
SE8800484D0 (sv) 1988-02-12
IN166944B (enEXAMPLES) 1990-08-11
CA1305722C (en) 1992-07-28

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SDS BIOTECH K.K.

Effective date: 19990228