ATE427T1 - Verfahren zur herstellung von tetronsaeuremethylester. - Google Patents
Verfahren zur herstellung von tetronsaeuremethylester.Info
- Publication number
- ATE427T1 ATE427T1 AT79103978T AT79103978T ATE427T1 AT E427 T1 ATE427 T1 AT E427T1 AT 79103978 T AT79103978 T AT 79103978T AT 79103978 T AT79103978 T AT 79103978T AT E427 T1 ATE427 T1 AT E427T1
- Authority
- AT
- Austria
- Prior art keywords
- preparation
- methyl ester
- acid methyl
- tetronic acid
- tetronic
- Prior art date
Links
- -1 TETRONIC ACID METHYL ESTER Chemical class 0.000 title abstract 2
- PGRHXDWITVMQBC-UHFFFAOYSA-N dehydroacetic acid Natural products CC(=O)C1C(=O)OC(C)=CC1=O PGRHXDWITVMQBC-UHFFFAOYSA-N 0.000 title 1
- 239000002841 Lewis acid Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 150000007517 lewis acids Chemical class 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 abstract 1
- 239000003960 organic solvent Substances 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Furan Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2845037A DE2845037C2 (de) | 1978-10-16 | 1978-10-16 | Verfahren zur Herstellung von Tetronsäuremethylester |
| EP79103978A EP0010288B1 (de) | 1978-10-16 | 1979-10-15 | Verfahren zur Herstellung von Tetronsäuremethylester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE427T1 true ATE427T1 (de) | 1981-12-15 |
Family
ID=6052323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT79103978T ATE427T1 (de) | 1978-10-16 | 1979-10-15 | Verfahren zur herstellung von tetronsaeuremethylester. |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0010288B1 (de) |
| JP (1) | JPS5589275A (de) |
| AT (1) | ATE427T1 (de) |
| DE (1) | DE2845037C2 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE59006113D1 (de) * | 1989-07-20 | 1994-07-21 | Lonza Ag | Verfahren zur Herstellung von Tetronsäurealkylestern. |
| AU666729B2 (en) * | 1992-06-11 | 1996-02-22 | Lonza Ltd | Process for preparing tetronic acid alkyl esters |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2116416A1 (de) * | 1971-04-03 | 1972-10-19 | Merck Patent Gmbh, 6100 Darmstadt | Verfahren zur Herstellung von 3,4disubstituierten "(5H)-Furanonen |
| DE2154439C3 (de) * | 1971-11-02 | 1975-10-02 | H.F. & Ph. F. Reemtsma, 2000 Hamburg | Verfahren zur Herstellung von substituierten Delta alpha, beta-Butenoliden durch Cyclisierung von 4-Acyloxybuten-2 -Säureestern |
| JPS52100463A (en) * | 1976-02-19 | 1977-08-23 | Sumitomo Chem Co Ltd | Gamma-lactone and method of preparing same |
| DE2731483A1 (de) * | 1976-07-15 | 1978-01-19 | Ciba Geigy Ag | Dihalovinylsubstituierte gamma-laktone |
-
1978
- 1978-10-16 DE DE2845037A patent/DE2845037C2/de not_active Expired
-
1979
- 1979-10-15 JP JP13470779A patent/JPS5589275A/ja active Pending
- 1979-10-15 AT AT79103978T patent/ATE427T1/de not_active IP Right Cessation
- 1979-10-15 EP EP79103978A patent/EP0010288B1/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0010288B1 (de) | 1981-11-25 |
| DE2845037C2 (de) | 1980-12-11 |
| JPS5589275A (en) | 1980-07-05 |
| EP0010288A1 (de) | 1980-04-30 |
| DE2845037B1 (de) | 1980-04-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| REN | Ceased due to non-payment of the annual fee |