IT1096159B - Procedimento per preparare i 4-idrossi-5-alchil-ed i 4-idrossi-2,5-dialchil-3-osso-2h-furani - Google Patents
Procedimento per preparare i 4-idrossi-5-alchil-ed i 4-idrossi-2,5-dialchil-3-osso-2h-furaniInfo
- Publication number
- IT1096159B IT1096159B IT21719/78A IT2171978A IT1096159B IT 1096159 B IT1096159 B IT 1096159B IT 21719/78 A IT21719/78 A IT 21719/78A IT 2171978 A IT2171978 A IT 2171978A IT 1096159 B IT1096159 B IT 1096159B
- Authority
- IT
- Italy
- Prior art keywords
- hydroxy
- alchil
- furani
- dialkyl
- bone
- 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
- C07D307/34—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
- C07D307/68—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
-
- 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB13636/77A GB1601933A (en) | 1977-03-31 | 1977-03-31 | Process for the preparation of 4-hydroxy-5-alkyl and 2,5-dialkyl-3-oxo-2h-furans |
| GB5293677 | 1977-12-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7821719A0 IT7821719A0 (it) | 1978-03-29 |
| IT1096159B true IT1096159B (it) | 1985-08-17 |
Family
ID=26249888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT21719/78A IT1096159B (it) | 1977-03-31 | 1978-03-29 | Procedimento per preparare i 4-idrossi-5-alchil-ed i 4-idrossi-2,5-dialchil-3-osso-2h-furani |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4127592A (it) |
| JP (1) | JPS53121756A (it) |
| AU (1) | AU528732B2 (it) |
| CA (1) | CA1118432A (it) |
| CH (2) | CH642073A5 (it) |
| DE (2) | DE2812713A1 (it) |
| FR (2) | FR2386537A1 (it) |
| GR (1) | GR68693B (it) |
| IL (2) | IL54392A (it) |
| IT (1) | IT1096159B (it) |
| NL (1) | NL190119C (it) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4198343A (en) * | 1977-09-08 | 1980-04-15 | Dynamit Nobel Aktiengesellschaft | Method of preparing dihalogen vinyl cyclopropanecarboxylic acid esters |
| US4198342A (en) * | 1977-09-08 | 1980-04-15 | Dynamit Nobel Atkiengesellschaft | Method of preparing dihalogen vinyl cyclopropanecarboxylic acid esters |
| US4234616A (en) * | 1979-08-03 | 1980-11-18 | International Flavors & Fragrances Inc. | Flavoring with mixtures of 2,5-dialkyl dihydrofuranones and 2,4,5-trialkyl dihydrofuranones |
| 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 |
| DE3663663D1 (en) * | 1985-11-05 | 1989-07-06 | Firmenich & Cie | Furanyl esters and their use as flavouring agents |
| IL103075A (en) * | 1991-09-10 | 1998-08-16 | Pfw Flavors Bv | Preparation of 4-hydroxy-3[2h]-furanones |
| FR2870742B1 (fr) * | 2004-05-28 | 2008-03-14 | Expanscience Laboratoires Sa | Utilisation d'alkyle furannes pour la preparation d'un medicament destine au traitement du diabete, de l'obesite et pour le traitement cosmetique de la cellulite et de la surcharge ponderale |
| DE602005027563D1 (de) * | 2004-05-28 | 2011-06-01 | Expanscience Lab | Verwendung von furanalkylen zur kosmetischen behandlung von zellulitis |
| ATE462431T1 (de) * | 2004-05-28 | 2010-04-15 | Expanscience Lab | Verwendung von furanalkylen zur herstellung eines arzneimittels für die behandlung von adipositas sowie kosmetische behandlung von übergewicht |
| CN114588861B (zh) * | 2022-03-09 | 2024-04-26 | 宁夏万香源生物科技有限公司 | 呋喃酮的制备系统及制备方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD39717A (it) * | ||||
| GB1199101A (en) * | 1967-03-15 | 1970-07-15 | Ajinomoto Kk | Substance and Reaction Products Suitable for Improving the Flavour and Aroma of Food and Medicines |
| 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 |
| GB1302525A (it) * | 1969-03-25 | 1973-01-10 | ||
| 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 |
| GB1383492A (en) * | 1970-12-21 | 1974-02-12 | Unilever Ltd | Dicarbonyl compounds and preparation of dihydrofuranones therefrom |
| CH565168A5 (en) * | 1972-03-15 | 1975-08-15 | Givaudan & Cie Sa | 2,5-Dimethyl 4-hydroxy 3(2H)-furanone prepn. - from 2,2'-oxy dipropionic ester by reaction with trialkyl halogen silane and alkali metal |
| NL7216271A (it) | 1972-11-30 | 1974-06-04 |
-
1978
- 1978-02-21 US US05/879,307 patent/US4127592A/en not_active Expired - Lifetime
- 1978-03-16 GR GR55721A patent/GR68693B/el unknown
- 1978-03-17 CA CA000299352A patent/CA1118432A/en not_active Expired
- 1978-03-23 DE DE19782812713 patent/DE2812713A1/de active Granted
- 1978-03-23 DE DE2858725A patent/DE2858725C2/de not_active Expired
- 1978-03-29 IT IT21719/78A patent/IT1096159B/it active
- 1978-03-29 CH CH336378A patent/CH642073A5/de not_active IP Right Cessation
- 1978-03-30 NL NLAANVRAGE7803409,A patent/NL190119C/xx not_active IP Right Cessation
- 1978-03-30 IL IL54392A patent/IL54392A/xx unknown
- 1978-03-31 JP JP3798278A patent/JPS53121756A/ja active Granted
- 1978-03-31 AU AU34655/78A patent/AU528732B2/en not_active Expired
- 1978-03-31 FR FR7809513A patent/FR2386537A1/fr active Granted
- 1978-08-09 FR FR7823467A patent/FR2386538A1/fr active Granted
-
1982
- 1982-08-13 IL IL66541A patent/IL66541A0/xx unknown
-
1983
- 1983-06-02 CH CH303783A patent/CH643837A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2386538B1 (it) | 1983-02-18 |
| FR2386537B1 (it) | 1983-02-18 |
| DE2812713C2 (it) | 1990-08-30 |
| CH642073A5 (de) | 1984-03-30 |
| FR2386538A1 (fr) | 1978-11-03 |
| GR68693B (it) | 1982-02-01 |
| DE2812713A1 (de) | 1978-10-19 |
| JPS6154030B2 (it) | 1986-11-20 |
| AU3465578A (en) | 1979-10-04 |
| AU528732B2 (en) | 1983-05-12 |
| US4127592A (en) | 1978-11-28 |
| NL190119B (nl) | 1993-06-01 |
| NL190119C (nl) | 1993-11-01 |
| CH643837A5 (de) | 1984-06-29 |
| CA1118432A (en) | 1982-02-16 |
| IL54392A0 (en) | 1978-06-15 |
| JPS53121756A (en) | 1978-10-24 |
| IT7821719A0 (it) | 1978-03-29 |
| FR2386537A1 (fr) | 1978-11-03 |
| IL66541A0 (en) | 1982-12-31 |
| NL7803409A (nl) | 1978-10-03 |
| DE2858725C2 (it) | 1989-02-23 |
| IL54392A (en) | 1983-06-15 |
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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: 19950330 |