ATE190976T1 - Verfahren zur herstellung von 2-coumaranon - Google Patents

Verfahren zur herstellung von 2-coumaranon

Info

Publication number
ATE190976T1
ATE190976T1 AT95401385T AT95401385T ATE190976T1 AT E190976 T1 ATE190976 T1 AT E190976T1 AT 95401385 T AT95401385 T AT 95401385T AT 95401385 T AT95401385 T AT 95401385T AT E190976 T1 ATE190976 T1 AT E190976T1
Authority
AT
Austria
Prior art keywords
vapour
iii
reaction
dehydrogenation catalyst
coumaranone
Prior art date
Application number
AT95401385T
Other languages
English (en)
Inventor
Jean-Claude Vallejos
Alain Perrard
Yani Christidis
Pierre Gallezot
Original Assignee
Clariant France 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 Clariant France Sa filed Critical Clariant France Sa
Application granted granted Critical
Publication of ATE190976T1 publication Critical patent/ATE190976T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/82—Benzo [b] furans; Hydrogenated benzo [b] furans with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
    • C07D307/83—Oxygen atoms
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Catalysts (AREA)
  • Furan Compounds (AREA)
AT95401385T 1994-06-22 1995-06-14 Verfahren zur herstellung von 2-coumaranon ATE190976T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9407651A FR2721609B1 (fr) 1994-06-22 1994-06-22 Méthode de préparation de la 2-coumaranone.

Publications (1)

Publication Number Publication Date
ATE190976T1 true ATE190976T1 (de) 2000-04-15

Family

ID=9464510

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95401385T ATE190976T1 (de) 1994-06-22 1995-06-14 Verfahren zur herstellung von 2-coumaranon

Country Status (8)

Country Link
US (1) US5616733A (de)
EP (1) EP0688769B1 (de)
JP (1) JP3746091B2 (de)
CN (1) CN1059209C (de)
AT (1) ATE190976T1 (de)
DE (1) DE69515731T2 (de)
ES (1) ES2143601T3 (de)
FR (1) FR2721609B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2750990B1 (fr) * 1996-07-09 1998-11-06 Hoechst France Procede de preparation de l'enol-lactone de l'acide 2-oxocyclohexylidene acetique et application a la preparation de la 2-coumaranone
AT410796B (de) * 2000-06-06 2003-07-25 Dsm Fine Chem Austria Gmbh Verfahren zur herstellung von 2-coumaron

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4336202A (en) * 1980-05-29 1982-06-22 Kuraray Co., Ltd. 1,3-Cyclohexanedione derivatives
FR2686880B1 (fr) * 1992-02-04 1994-05-13 Hoechst Ste Francaise Procede de preparation de la chloro-5 3h-benzofuranone-2 et son application a l'obtention de l'acide chloro-5 hydroxy-2 phenylacetique.

Also Published As

Publication number Publication date
DE69515731T2 (de) 2000-07-06
JPH0812662A (ja) 1996-01-16
US5616733A (en) 1997-04-01
EP0688769B1 (de) 2000-03-22
ES2143601T3 (es) 2000-05-16
FR2721609A1 (fr) 1995-12-29
JP3746091B2 (ja) 2006-02-15
CN1120540A (zh) 1996-04-17
DE69515731D1 (de) 2000-04-27
FR2721609B1 (fr) 1996-10-04
EP0688769A1 (de) 1995-12-27
CN1059209C (zh) 2000-12-06

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner