DE69105843D1 - Verfahren zur Herstellung von 2,5-Dimethyl-4-hydroxy-3(2H)-furanon. - Google Patents

Verfahren zur Herstellung von 2,5-Dimethyl-4-hydroxy-3(2H)-furanon.

Info

Publication number
DE69105843D1
DE69105843D1 DE69105843T DE69105843T DE69105843D1 DE 69105843 D1 DE69105843 D1 DE 69105843D1 DE 69105843 T DE69105843 T DE 69105843T DE 69105843 T DE69105843 T DE 69105843T DE 69105843 D1 DE69105843 D1 DE 69105843D1
Authority
DE
Germany
Prior art keywords
furanone
dimethyl
hydroxy
preparation
base
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
DE69105843T
Other languages
English (en)
Other versions
DE69105843T2 (de
Inventor
Roland Fellous
Gerard George
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.)
Sanofi SA
Original Assignee
Sanofi 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 Sanofi SA filed Critical Sanofi SA
Application granted granted Critical
Publication of DE69105843D1 publication Critical patent/DE69105843D1/de
Publication of DE69105843T2 publication Critical patent/DE69105843T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members 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 ring carbon atoms
    • C07D307/60—Two oxygen atoms, e.g. succinic anhydride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Furan Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Seasonings (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69105843T 1990-07-10 1991-07-09 Verfahren zur Herstellung von 2,5-Dimethyl-4-hydroxy-3(2H)-furanon. Expired - Fee Related DE69105843T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9008772A FR2664593B1 (fr) 1990-07-10 1990-07-10 Procede de preparation de la dimethyl-2,5 hydroxy-4 (2h) furanone-3.

Publications (2)

Publication Number Publication Date
DE69105843D1 true DE69105843D1 (de) 1995-01-26
DE69105843T2 DE69105843T2 (de) 1995-04-27

Family

ID=9398559

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69105843T Expired - Fee Related DE69105843T2 (de) 1990-07-10 1991-07-09 Verfahren zur Herstellung von 2,5-Dimethyl-4-hydroxy-3(2H)-furanon.

Country Status (7)

Country Link
US (1) US5171867A (de)
EP (1) EP0466583B1 (de)
JP (1) JPH04230374A (de)
AT (1) ATE115574T1 (de)
DE (1) DE69105843T2 (de)
FR (1) FR2664593B1 (de)
IE (1) IE65961B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7541002B2 (en) * 2004-05-12 2009-06-02 Steris Corporation Apparatus for determining the efficiency of a vaporizer in a decontamination system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3629292A (en) * 1970-02-10 1971-12-21 Int Flavors & Fragrances Inc Process for the preparation of 2 5-dialkyl-4-hydroxy-(2h)-furan-3-ones
NL7216271A (de) * 1972-11-30 1974-06-04
US4208338A (en) * 1977-08-11 1980-06-17 Givaudan Corporation Cyano dihydro furanones
US4181666A (en) * 1977-08-11 1980-01-01 Givaudan Corporation Process for making furanones
US4294767A (en) * 1980-08-21 1981-10-13 Instituto Per La Ricerca Scientifica E Applicata Di Technologie Alimentari S.P.A Process for the preparation of 2,5-dimethyl-4-hydroxy-3(2H)-furanone and its 2,5-dialkyl homologues
NL8100815A (nl) * 1981-02-19 1982-09-16 Unilever Nv Werkwijze ter bereiding van 4-hydroxy-5-methyl-2,3-dihydrofuran-3-on, alsmede werkwijze voor het wijzigen van de organoleptische eigenschappen van levensmiddelen en de aldus verkregen levensmiddelen.

Also Published As

Publication number Publication date
FR2664593A1 (fr) 1992-01-17
IE65961B1 (en) 1995-11-29
DE69105843T2 (de) 1995-04-27
EP0466583B1 (de) 1994-12-14
ATE115574T1 (de) 1994-12-15
FR2664593B1 (fr) 1992-11-06
EP0466583A1 (de) 1992-01-15
US5171867A (en) 1992-12-15
IE912402A1 (en) 1992-01-15
JPH04230374A (ja) 1992-08-19

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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