IT1098013B - Procedimento per la preparazione di furanoni - Google Patents

Procedimento per la preparazione di furanoni

Info

Publication number
IT1098013B
IT1098013B IT26596/78A IT2659678A IT1098013B IT 1098013 B IT1098013 B IT 1098013B IT 26596/78 A IT26596/78 A IT 26596/78A IT 2659678 A IT2659678 A IT 2659678A IT 1098013 B IT1098013 B IT 1098013B
Authority
IT
Italy
Prior art keywords
fananons
procedure
preparation
Prior art date
Application number
IT26596/78A
Other languages
English (en)
Other versions
IT7826596A0 (it
Original Assignee
Givaudan & Cie 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
Priority claimed from LU77955A external-priority patent/LU77955A1/de
Priority claimed from LU78691A external-priority patent/LU78691A1/de
Application filed by Givaudan & Cie Sa filed Critical Givaudan & Cie Sa
Publication of IT7826596A0 publication Critical patent/IT7826596A0/it
Application granted granted Critical
Publication of IT1098013B publication Critical patent/IT1098013B/it

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
    • C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member 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
    • C07D307/32—Oxygen atoms
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L27/00—Spices; Flavouring agents or condiments; Artificial sweetening agents; Table salts; Dietetic salt substitutes; Preparation or treatment thereof
    • A23L27/20—Synthetic spices, flavouring agents or condiments
    • A23L27/205—Heterocyclic compounds
    • A23L27/2052—Heterocyclic compounds having oxygen or sulfur as the only hetero atoms
    • 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
IT26596/78A 1977-08-11 1978-08-08 Procedimento per la preparazione di furanoni IT1098013B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LU77955A LU77955A1 (de) 1977-08-11 1977-08-11 Verfahren zur herstellung von furanonen
LU78691A LU78691A1 (de) 1977-12-14 1977-12-14 Verfahren zur herstellung von furanonen

Publications (2)

Publication Number Publication Date
IT7826596A0 IT7826596A0 (it) 1978-08-08
IT1098013B true IT1098013B (it) 1985-08-31

Family

ID=26640241

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26596/78A IT1098013B (it) 1977-08-11 1978-08-08 Procedimento per la preparazione di furanoni

Country Status (10)

Country Link
US (1) US4181666A (it)
EP (1) EP0000907B1 (it)
JP (1) JPS5430152A (it)
CA (1) CA1132994A (it)
DE (2) DE2835368A1 (it)
ES (1) ES472467A1 (it)
FR (1) FR2400020A1 (it)
GB (1) GB2002380B (it)
IT (1) IT1098013B (it)
NL (1) NL7808366A (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4318855A (en) * 1979-02-02 1982-03-09 Givaudan Corporation Process for the preparation of alpha-hydroxycarbonyl compounds
DE2910131A1 (de) * 1979-03-15 1980-09-25 Basf Ag Verfahren zur herstellung von 2,5-dimethyl-4-hydroxy-2,3-dihydrofuran- 3-on
DE3070191D1 (en) * 1980-03-20 1985-03-28 Basf Ag Process for the preparation of 2,5-dimethyl-4-hydroxy-2,3-dihydrofuran-3-one and intermediates
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
EP0055976B1 (en) * 1981-01-05 1984-08-08 ISTITUTO PER LA RICERCA SCIENTIFICA E APPLICATA DI TECNOLOGIE ALIMENTARI S.p.A. Process for preparing 2,5-dialkyl-4-hydroxy-3(2h)-furanones and 4-alkenyl-dihydro-3(2h) furanones obtained as intermediate products
EP0090150B1 (fr) * 1982-03-26 1986-11-20 Firmenich Sa Procédé pour la préparation de 4-hydroxy-2,5-diméthyl-2,3-dihydrofuran-3-one
DE69000329T2 (de) * 1989-05-18 1993-03-04 Quest Int Hydroxyfuranon-herstellung.
FR2664593B1 (fr) * 1990-07-10 1992-11-06 Sanofi Sa Procede de preparation de la dimethyl-2,5 hydroxy-4 (2h) furanone-3.

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3694466A (en) * 1967-06-16 1972-09-26 George H Buchi Process for the preparation of 2,5-dimethyl-4,5-dihydrofuran-3-ol-4-one
CH474500A (fr) * 1967-06-16 1969-06-30 Firmenich & Cie Procédé pour la préparation d'un dérivé furannique
NL6712748A (it) * 1967-09-18 1969-03-20
LU55706A1 (it) * 1968-03-18 1969-10-02
US3887589A (en) * 1968-03-28 1975-06-03 Lever Brothers Ltd 2,5-Diethyl-4-hydroxy-2,3,-dihydrofuran-3-one
US3629393A (en) * 1969-09-11 1971-12-21 Nikken Chemicals Co Ltd Release-sustaining-tablet
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 (it) * 1972-11-30 1974-06-04
US4045487A (en) * 1975-06-26 1977-08-30 Hoffmann-La Roche Inc. 1-Dimethylamino-2,4-diphenyl-1-butene-3,4-dione
DE2600864A1 (de) * 1976-01-12 1977-07-21 Basf Ag 2,5-dimethyl-3-carbalkoxy-tetrahydrofuran-4-one und ein verfahren zu ihrer herstellung

Also Published As

Publication number Publication date
JPS5757035B2 (it) 1982-12-02
DE2860774D1 (en) 1981-09-24
FR2400020A1 (fr) 1979-03-09
JPS5430152A (en) 1979-03-06
GB2002380B (en) 1982-02-24
IT7826596A0 (it) 1978-08-08
US4181666A (en) 1980-01-01
EP0000907A1 (de) 1979-03-07
DE2835368A1 (de) 1979-02-22
NL7808366A (nl) 1979-02-13
ES472467A1 (es) 1979-02-16
GB2002380A (en) 1979-02-21
EP0000907B1 (de) 1981-06-17
CA1132994A (en) 1982-10-05

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960823