DE69024454T2 - Verfahren zur Herstellung von 2,2-Difluoro-1,3-Benzodioxole - Google Patents

Verfahren zur Herstellung von 2,2-Difluoro-1,3-Benzodioxole

Info

Publication number
DE69024454T2
DE69024454T2 DE69024454T DE69024454T DE69024454T2 DE 69024454 T2 DE69024454 T2 DE 69024454T2 DE 69024454 T DE69024454 T DE 69024454T DE 69024454 T DE69024454 T DE 69024454T DE 69024454 T2 DE69024454 T2 DE 69024454T2
Authority
DE
Germany
Prior art keywords
benzodioxole
difluoro
preparation
dichloro
potassium
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
DE69024454T
Other languages
English (en)
Other versions
DE69024454D1 (de
Inventor
Michel Casado
Michel Crochemore
Bernard Langlois
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.)
Rhodia Chimie SAS
Original Assignee
Rhone Poulenc Chimie SA
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 Rhone Poulenc Chimie SA filed Critical Rhone Poulenc Chimie SA
Publication of DE69024454D1 publication Critical patent/DE69024454D1/de
Application granted granted Critical
Publication of DE69024454T2 publication Critical patent/DE69024454T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/44—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D317/46—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Catalysts (AREA)
  • Light Receiving Elements (AREA)
DE69024454T 1989-10-09 1990-10-08 Verfahren zur Herstellung von 2,2-Difluoro-1,3-Benzodioxole Expired - Fee Related DE69024454T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8913369A FR2652812A1 (fr) 1989-10-09 1989-10-09 Procede de preparation de difluoro-2,2 benzodioxole-1,3.

Publications (2)

Publication Number Publication Date
DE69024454D1 DE69024454D1 (de) 1996-02-08
DE69024454T2 true DE69024454T2 (de) 1996-08-08

Family

ID=9386344

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69024454T Expired - Fee Related DE69024454T2 (de) 1989-10-09 1990-10-08 Verfahren zur Herstellung von 2,2-Difluoro-1,3-Benzodioxole

Country Status (8)

Country Link
US (1) US5432290A (de)
EP (1) EP0423009B1 (de)
JP (1) JPH0631216B2 (de)
AT (1) ATE132147T1 (de)
CA (1) CA2027016C (de)
DE (1) DE69024454T2 (de)
FR (1) FR2652812A1 (de)
IE (1) IE903595A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4233199A1 (de) * 1992-10-02 1994-04-07 Bayer Ag Verfahren zur Herstellung von Difluor- und Chlorfluorbenzodioxolen
FR2730993B1 (fr) 1995-02-28 1997-04-04 Rhone Poulenc Chimie Procede de synthese de compose hydrocarbone fluore sur un carbone d'une chaine alcoyle
DE102004024010A1 (de) * 2004-05-14 2005-12-01 Bayer Chemicals Ag Verfahren zur Herstellung von Difluorbenzo-1,3-dioxol-5-carbonsäurederivaten

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4110345A (en) * 1977-03-03 1978-08-29 American Cyanamid Company 2,2-Difluoro-1,3-benzodioxole-5-(α-alkyl)-acetic acids, and their use for the preparation of insecticides and acaricides
DE2819788A1 (de) * 1978-05-05 1979-11-08 Bayer Ag Benzylester mit fluorsubstituierten aether- und/oder thioaethergruppen und ihre verwendung als insektizide
IL57375A0 (en) * 1978-05-24 1979-09-30 Wellcome Found Benzylpyrimidines, their preparation and pharmaceutical compositions containing them
DE3315147A1 (de) * 1983-04-27 1984-10-31 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von aromatischen verbindungen, die ueber ein heteroatom gebundene perfluorierte seitenketten enthalten
FR2579103B1 (fr) * 1985-03-21 1988-02-19 Oreal Utilisation de 4,5-methylenedioxyphenol halogene dans la teinture des fibres keratiniques
DE3642256A1 (de) * 1985-12-13 1987-06-19 Byk Gulden Lomberg Chem Fab Verfahren zur herstellung fluorsubstituierter 1,3-benzodioxole
EP0333661B1 (de) * 1988-03-18 1994-04-27 Ciba-Geigy Ag Verfahren zur Herstellung eines Pyrrol-Derivats

Also Published As

Publication number Publication date
JPH0631216B2 (ja) 1994-04-27
FR2652812A1 (fr) 1991-04-12
DE69024454D1 (de) 1996-02-08
IE903595A1 (en) 1991-05-08
CA2027016C (fr) 2001-05-29
JPH03184972A (ja) 1991-08-12
ATE132147T1 (de) 1996-01-15
CA2027016A1 (fr) 1991-04-10
US5432290A (en) 1995-07-11
EP0423009A1 (de) 1991-04-17
EP0423009B1 (de) 1995-12-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: PATENTANWAELTE GESTHUYSEN, VON ROHR & EGGERT, 45128

8339 Ceased/non-payment of the annual fee