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
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)
- Furan Compounds (AREA)
- Catalysts (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 |
---|---|---|---|---|
EP0409147B1 (de) * | 1989-07-20 | 1994-06-15 | 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 |
---|---|
DE2845037C2 (de) | 1980-12-11 |
EP0010288A1 (de) | 1980-04-30 |
EP0010288B1 (de) | 1981-11-25 |
DE2845037B1 (de) | 1980-04-17 |
JPS5589275A (en) | 1980-07-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DD139254A5 (de) | Verfahren zur herstellung von 3-(2,2-dihalogenaethenyl)-2,2-dimethylcyclopropancarbonsaeure-(1,1'-biphenyl)-3-ylmethylestern | |
AT364461B (de) | Verfahren zur herstellung von pseudomonsaeure | |
PT69323A (de) | Verfahren zur herstellung wassrige kuntstoff dispersion auf basis von vinylpolymeren | |
ATE427T1 (de) | Verfahren zur herstellung von tetronsaeuremethylester. | |
ATA110179A (de) | Verfahren zur herstellung von laevo-n-(1-aethyl-2 -pyrrolidino-methyl)-2'-methoxy-5'-sulfamoyl -bezamid | |
ATA375179A (de) | Verfahren zur herstellung von arylessigsaeurederivaten | |
AT362775B (de) | Verfahren zur herstellung von substituierten acetonitrilen | |
DD129448A1 (de) | Verfahren zur herstellung von thiophen-2,5-dicarbonsaeure | |
JPS54115339A (en) | Manufacture of 22arylacrylic acid alkyl | |
AT370717B (de) | Verfahren zur herstellung von di-n -propylessigsaeure | |
AT349443B (de) | Verfahren zur herstellung von 2- (2',2'-dihalogenvinyl)-cyclopropancarbonsaeuren | |
DD138194A1 (de) | Verfahren zur herstellung von molekularsiebgranulaten mit verbesserten mechanischen festigkeiten | |
ATA798378A (de) | Verfahren zur herstellung von aktivkohle | |
DD136500A1 (de) | Verfahren zur herstellung von 2,4-diaryl-5-amino-eckige klammer auf 2,3-d eckige klammer zu-thienopyrimidinen | |
AT370075B (de) | Verfahren zur herstellung von arylessigsaeuren | |
DD134226A1 (de) | Verfahren zur herstellung von 3,4-demethoxy-6-eckige klammer auf 4-(2-furoyl)-1-piperazinyl eckige klammer zu-benzonitril | |
DD138979A1 (de) | Verfahren zur herstellung von acylthioharnstoffen mit ergolinstruktur | |
DD137103A1 (de) | Verfahren zur herstellung von substituierten 2-amino-5-aryl-1.3.4-oxadiazolen | |
DD133227A1 (de) | Verfahren zur herstellung von ungesaettigten carbonsaeuren | |
DD133226A1 (de) | Verfahren zur herstellung von ungesaettigten carbonsaeuren | |
ATA355878A (de) | Verfahren zur herstellung von neuen spiro- cyclischen borverbindungen | |
DD136614A1 (de) | Verfahren zur herstellung von 3-(alpha-phenylpropyl)-4-hydroxycumarin | |
DD134873A1 (de) | Verfahren zur herstellung von polyolefinwachsen mit carboxamidhaltigen gruppen | |
DD137936A1 (de) | Verfahren zur herstellung von substituierten 2-amino-1,3,5,2-triazaphosphorinen | |
ATE24506T1 (de) | Verfahren zur herstellung von p.chlorophenoxyacetyl-piperonylpiperazin. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
REN | Ceased due to non-payment of the annual fee |