DK0573999T3 - Fremgangsmåde til fremstilling af tetronsyreakylestere - Google Patents
Fremgangsmåde til fremstilling af tetronsyreakylestereInfo
- Publication number
- DK0573999T3 DK0573999T3 DK93109318T DK93109318T DK0573999T3 DK 0573999 T3 DK0573999 T3 DK 0573999T3 DK 93109318 T DK93109318 T DK 93109318T DK 93109318 T DK93109318 T DK 93109318T DK 0573999 T3 DK0573999 T3 DK 0573999T3
- Authority
- DK
- Denmark
- Prior art keywords
- acid alkyl
- alkyl esters
- general formula
- preparation
- tetronic acid
- 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
- C07D307/38—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 substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/40—Radicals substituted by oxygen 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Wire Bonding (AREA)
- Furan Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH184692 | 1992-06-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK0573999T3 true DK0573999T3 (da) | 1998-10-26 |
Family
ID=4219984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK93109318T DK0573999T3 (da) | 1992-06-11 | 1993-06-09 | Fremgangsmåde til fremstilling af tetronsyreakylestere |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US5310947A (da) |
| EP (1) | EP0573999B1 (da) |
| JP (1) | JP3166017B2 (da) |
| KR (1) | KR940000451A (da) |
| CN (1) | CN1043346C (da) |
| AT (1) | ATE170181T1 (da) |
| AU (1) | AU666729B2 (da) |
| CA (1) | CA2092347A1 (da) |
| CZ (1) | CZ282943B6 (da) |
| DE (1) | DE59308915D1 (da) |
| DK (1) | DK0573999T3 (da) |
| ES (1) | ES2119835T3 (da) |
| FI (1) | FI106124B (da) |
| HU (1) | HU213832B (da) |
| IL (1) | IL105938A (da) |
| PL (1) | PL173073B1 (da) |
| SK (1) | SK280170B6 (da) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5781081A (en) * | 1995-09-01 | 1998-07-14 | Ngk Spark Plug Co., Ltd. | LC-type dielectric filter having an inductor on the outermost layer and frequency adjusting method therefor |
| CA2211503A1 (en) * | 1996-09-04 | 1998-03-04 | Josef Schroer | Process for the preparation of tetronic acid derivatives |
| JP2001256751A (ja) * | 2000-03-13 | 2001-09-21 | Sony Corp | シャッター及びこれを有するディスクカートリッジ |
| US7373951B2 (en) | 2004-09-07 | 2008-05-20 | Fisher Controls International Llc | Control valve having “C” seal |
| JP5763231B1 (ja) | 2014-02-18 | 2015-08-12 | Ｗｈｉｌｌ株式会社 | 操作装置および電動モビリティ |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2845037C2 (de) * | 1978-10-16 | 1980-12-11 | Fa. Dr. Willmar Schwabe, 7500 Karlsruhe | Verfahren zur Herstellung von Tetronsäuremethylester |
| CH668423A5 (de) * | 1986-06-19 | 1988-12-30 | Lonza Ag | Verfahren zur herstellung von 4-alkoxy-3-pyrrolin-2-onen. |
| HU195773B (en) * | 1985-09-24 | 1988-07-28 | Lonza Ag | Process for preparing alkyl esters of 4-alkoxy-3-pyrrolin-2-on-1-yl-acetic acid |
| JP2844868B2 (ja) * | 1989-07-20 | 1999-01-13 | ロンザ リミテッド | テトロン酸アルキルエステルの製造方法 |
-
1993
- 1993-06-02 AU AU39994/93A patent/AU666729B2/en not_active Ceased
- 1993-06-05 CN CN93106843A patent/CN1043346C/zh not_active Expired - Fee Related
- 1993-06-07 IL IL105938A patent/IL105938A/xx not_active IP Right Cessation
- 1993-06-07 CA CA002092347A patent/CA2092347A1/en not_active Abandoned
- 1993-06-08 US US08/072,955 patent/US5310947A/en not_active Expired - Fee Related
- 1993-06-08 JP JP13732693A patent/JP3166017B2/ja not_active Expired - Fee Related
- 1993-06-09 DE DE59308915T patent/DE59308915D1/de not_active Expired - Fee Related
- 1993-06-09 DK DK93109318T patent/DK0573999T3/da active
- 1993-06-09 PL PL93299256A patent/PL173073B1/pl unknown
- 1993-06-09 AT AT93109318T patent/ATE170181T1/de active
- 1993-06-09 ES ES93109318T patent/ES2119835T3/es not_active Expired - Lifetime
- 1993-06-09 EP EP93109318A patent/EP0573999B1/de not_active Expired - Lifetime
- 1993-06-10 SK SK598-93A patent/SK280170B6/sk unknown
- 1993-06-10 KR KR1019930010704A patent/KR940000451A/ko not_active Application Discontinuation
- 1993-06-10 CZ CZ931129A patent/CZ282943B6/cs not_active IP Right Cessation
- 1993-06-11 FI FI932697A patent/FI106124B/fi active
- 1993-06-11 HU HU9301717A patent/HU213832B/hu not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU3999493A (en) | 1993-12-16 |
| CN1083482A (zh) | 1994-03-09 |
| ES2119835T3 (es) | 1998-10-16 |
| CZ112993A3 (en) | 1994-01-19 |
| HU9301717D0 (en) | 1993-09-28 |
| EP0573999B1 (de) | 1998-08-26 |
| PL299256A1 (en) | 1993-12-13 |
| JP3166017B2 (ja) | 2001-05-14 |
| CN1043346C (zh) | 1999-05-12 |
| SK59893A3 (en) | 1994-02-02 |
| AU666729B2 (en) | 1996-02-22 |
| DE59308915D1 (de) | 1998-10-01 |
| EP0573999A1 (de) | 1993-12-15 |
| PL173073B1 (pl) | 1998-01-30 |
| CA2092347A1 (en) | 1993-12-12 |
| IL105938A0 (en) | 1993-10-20 |
| KR940000451A (ko) | 1994-01-03 |
| US5310947A (en) | 1994-05-10 |
| CZ282943B6 (cs) | 1997-11-12 |
| SK280170B6 (sk) | 1999-09-10 |
| FI932697A (fi) | 1993-12-12 |
| IL105938A (en) | 1997-04-15 |
| ATE170181T1 (de) | 1998-09-15 |
| HUT64530A (en) | 1994-01-28 |
| JPH0656813A (ja) | 1994-03-01 |
| FI932697A0 (fi) | 1993-06-11 |
| FI106124B (fi) | 2000-11-30 |
| HU213832B (en) | 1997-10-28 |
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