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DK123236B - Fremgangsmåde til fremstilling af 2-alkyl-3-hydoxy-4,5-dihydrofuran-4-oner. - Google Patents

Fremgangsmåde til fremstilling af 2-alkyl-3-hydoxy-4,5-dihydrofuran-4-oner.

Info

Publication number
DK123236B
DK123236B DK144869AA DK144869A DK123236B DK 123236 B DK123236 B DK 123236B DK 144869A A DK144869A A DK 144869AA DK 144869 A DK144869 A DK 144869A DK 123236 B DK123236 B DK 123236B
Authority
DK
Denmark
Prior art keywords
hydoxy
dihydrofuran
ones
alkyl
preparation
Prior art date
Application number
DK144869AA
Other languages
English (en)
Inventor
H Peer
G Ouweland
Original Assignee
Unilever Nv
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 Unilever Nv filed Critical Unilever Nv
Publication of DK123236B publication Critical patent/DK123236B/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H11/00—Compounds containing saccharide radicals esterified by inorganic acids; Metal salts thereof
    • C07H11/04—Phosphates; Phosphites; Polyphosphates
    • 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)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Molecular Biology (AREA)
  • Saccharide Compounds (AREA)
  • Meat, Egg Or Seafood Products (AREA)
DK144869AA 1968-03-18 1969-03-17 Fremgangsmåde til fremstilling af 2-alkyl-3-hydoxy-4,5-dihydrofuran-4-oner. DK123236B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LU55706 1968-03-18
LU57648 1968-12-23

Publications (1)

Publication Number Publication Date
DK123236B true DK123236B (da) 1972-05-29

Family

ID=26640017

Family Applications (1)

Application Number Title Priority Date Filing Date
DK144869AA DK123236B (da) 1968-03-18 1969-03-17 Fremgangsmåde til fremstilling af 2-alkyl-3-hydoxy-4,5-dihydrofuran-4-oner.

Country Status (11)

Country Link
US (1) US3651097A (da)
AT (1) AT286276B (da)
BE (1) BE730038A (da)
CH (1) CH508616A (da)
DE (1) DE1913476A1 (da)
DK (1) DK123236B (da)
FR (1) FR2004159A1 (da)
GB (1) GB1267449A (da)
LU (2) LU55706A1 (da)
NL (1) NL6904058A (da)
SE (1) SE357738B (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904655A (en) * 1969-06-26 1975-09-09 Lever Brothers Ltd Process for the preparation of a flavor substance by reacting a 4-oxy-5-alkyl-3-furanone with a hydrogen sulfide liberating substance
US4127592A (en) 1977-03-31 1978-11-28 Polak's Frutal Works, B.V. Process of the preparation of hydroxyfurenones
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.
DE3367773D1 (en) * 1982-03-26 1987-01-08 Firmenich & Cie Process for preparing 4-hydroxy-2,5-dimethyl-2,3-dihydrofuran-3-one
IL103075A (en) * 1991-09-10 1998-08-16 Pfw Flavors Bv Preparation of 4-hydroxy-3[2h]-furanones

Also Published As

Publication number Publication date
LU55706A1 (da) 1969-10-02
GB1267449A (en) 1972-03-22
AT286276B (de) 1970-12-10
CH508616A (de) 1971-06-15
DE1913476A1 (de) 1970-02-26
NL6904058A (da) 1969-09-22
LU57648A1 (da) 1970-06-26
US3651097A (en) 1972-03-21
SE357738B (da) 1973-07-09
BE730038A (da) 1969-09-18
FR2004159A1 (da) 1969-11-21

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