IT1098013B - Procedimento per la preparazione di furanoni - Google Patents
Procedimento per la preparazione di furanoniInfo
- 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
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Food Science & Technology (AREA)
- Nutrition Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Furan Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Seasonings (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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) | DE2860774D1 (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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH474500A (fr) * | 1967-06-16 | 1969-06-30 | Firmenich & Cie | Procédé pour la préparation d'un dérivé furannique |
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 |
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 |
-
1978
- 1978-07-26 US US05/928,136 patent/US4181666A/en not_active Expired - Lifetime
- 1978-08-08 IT IT26596/78A patent/IT1098013B/it active
- 1978-08-09 FR FR7823447A patent/FR2400020A1/fr active Pending
- 1978-08-10 CA CA309,084A patent/CA1132994A/en not_active Expired
- 1978-08-10 GB GB7832936A patent/GB2002380B/en not_active Expired
- 1978-08-10 NL NL787808366A patent/NL7808366A/xx not_active Application Discontinuation
- 1978-08-10 ES ES472467A patent/ES472467A1/es not_active Expired
- 1978-08-10 JP JP9775078A patent/JPS5430152A/ja active Granted
- 1978-08-11 DE DE7878100650T patent/DE2860774D1/de not_active Expired
- 1978-08-11 EP EP78100650A patent/EP0000907B1/de not_active Expired
- 1978-08-11 DE DE19782835368 patent/DE2835368A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2835368A1 (de) | 1979-02-22 |
DE2860774D1 (en) | 1981-09-24 |
GB2002380A (en) | 1979-02-21 |
CA1132994A (en) | 1982-10-05 |
NL7808366A (nl) | 1979-02-13 |
GB2002380B (en) | 1982-02-24 |
JPS5757035B2 (it) | 1982-12-02 |
US4181666A (en) | 1980-01-01 |
ES472467A1 (es) | 1979-02-16 |
IT7826596A0 (it) | 1978-08-08 |
EP0000907B1 (de) | 1981-06-17 |
EP0000907A1 (de) | 1979-03-07 |
FR2400020A1 (fr) | 1979-03-09 |
JPS5430152A (en) | 1979-03-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19960823 |