ATE161834T1 - Verfahren zur herstellung von 4-hydroxy- 3(2h)furanonen - Google Patents
Verfahren zur herstellung von 4-hydroxy- 3(2h)furanonenInfo
- Publication number
- ATE161834T1 ATE161834T1 AT92202746T AT92202746T ATE161834T1 AT E161834 T1 ATE161834 T1 AT E161834T1 AT 92202746 T AT92202746 T AT 92202746T AT 92202746 T AT92202746 T AT 92202746T AT E161834 T1 ATE161834 T1 AT E161834T1
- Authority
- AT
- Austria
- Prior art keywords
- furanones
- hydroxy
- carbon atoms
- alkyl
- dialkyl
- Prior art date
Links
- 150000002241 furanones Chemical class 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 4
- 125000000217 alkyl group Chemical group 0.000 abstract 2
- 125000003545 alkoxy group Chemical group 0.000 abstract 1
- 230000029936 alkylation Effects 0.000 abstract 1
- 238000005804 alkylation reaction Methods 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- ULYSABNRLLVZCE-UHFFFAOYSA-N furan-3,4-diol Chemical group OC1=COC=C1O ULYSABNRLLVZCE-UHFFFAOYSA-N 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 238000007127 saponification reaction Methods 0.000 abstract 1
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Medicinal Preparation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP91202315 | 1991-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE161834T1 true ATE161834T1 (de) | 1998-01-15 |
Family
ID=8207869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT92202746T ATE161834T1 (de) | 1991-09-10 | 1992-09-09 | Verfahren zur herstellung von 4-hydroxy- 3(2h)furanonen |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5412121A (de) |
| EP (1) | EP0532120B1 (de) |
| JP (1) | JP2635271B2 (de) |
| AT (1) | ATE161834T1 (de) |
| AU (1) | AU653854B2 (de) |
| CA (1) | CA2077965C (de) |
| DE (1) | DE69223887T2 (de) |
| DK (1) | DK0532120T3 (de) |
| ES (1) | ES2110467T3 (de) |
| GR (1) | GR3025856T3 (de) |
| IL (1) | IL103075A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5602259A (en) * | 1993-12-17 | 1997-02-11 | Pacific Corporation | Method for producing 4-hydroxy-5-methyl-3[2H]-furanone and uses of same |
| CN103058965A (zh) * | 2012-12-26 | 2013-04-24 | 淮安万邦香料工业有限公司 | 呋喃类香料制备方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH486850A (de) * | 1964-12-31 | 1970-03-15 | Firmenich & Cie | Verwendung von Dihydrofuranderivaten als Geschmackstoffe |
| LU55706A1 (de) * | 1968-03-18 | 1969-10-02 | ||
| US4127592A (en) * | 1977-03-31 | 1978-11-28 | Polak's Frutal Works, B.V. | Process of the preparation of hydroxyfurenones |
-
1992
- 1992-09-07 IL IL10307592A patent/IL103075A/xx not_active IP Right Cessation
- 1992-09-09 ES ES92202746T patent/ES2110467T3/es not_active Expired - Lifetime
- 1992-09-09 DK DK92202746.1T patent/DK0532120T3/da active
- 1992-09-09 AT AT92202746T patent/ATE161834T1/de not_active IP Right Cessation
- 1992-09-09 AU AU22875/92A patent/AU653854B2/en not_active Ceased
- 1992-09-09 EP EP92202746A patent/EP0532120B1/de not_active Expired - Lifetime
- 1992-09-09 DE DE69223887T patent/DE69223887T2/de not_active Expired - Lifetime
- 1992-09-10 CA CA002077965A patent/CA2077965C/en not_active Expired - Fee Related
- 1992-09-10 JP JP4242124A patent/JP2635271B2/ja not_active Expired - Fee Related
-
1993
- 1993-12-08 US US08/163,563 patent/US5412121A/en not_active Expired - Lifetime
-
1998
- 1998-01-08 GR GR980400026T patent/GR3025856T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA2077965C (en) | 1997-04-08 |
| DE69223887D1 (de) | 1998-02-12 |
| JP2635271B2 (ja) | 1997-07-30 |
| IL103075A0 (en) | 1993-02-21 |
| AU653854B2 (en) | 1994-10-13 |
| DE69223887T2 (de) | 1998-04-30 |
| EP0532120A1 (de) | 1993-03-17 |
| US5412121A (en) | 1995-05-02 |
| JPH05194461A (ja) | 1993-08-03 |
| CA2077965A1 (en) | 1993-03-11 |
| DK0532120T3 (da) | 1998-03-16 |
| GR3025856T3 (en) | 1998-04-30 |
| AU2287592A (en) | 1993-03-11 |
| ES2110467T3 (es) | 1998-02-16 |
| EP0532120B1 (de) | 1998-01-07 |
| IL103075A (en) | 1998-08-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |