DE3379401D1 - Process for the preparation of a 4-halo-2-hydroxyimino-acetoacetic acid ester - Google Patents
Process for the preparation of a 4-halo-2-hydroxyimino-acetoacetic acid esterInfo
- Publication number
- DE3379401D1 DE3379401D1 DE8383303183T DE3379401T DE3379401D1 DE 3379401 D1 DE3379401 D1 DE 3379401D1 DE 8383303183 T DE8383303183 T DE 8383303183T DE 3379401 T DE3379401 T DE 3379401T DE 3379401 D1 DE3379401 D1 DE 3379401D1
- Authority
- DE
- Germany
- Prior art keywords
- acid ester
- halo
- preparation
- hydroxyimino
- acetoacetic acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title abstract 3
- 238000002360 preparation method Methods 0.000 title abstract 3
- -1 alkyl nitrite Chemical compound 0.000 abstract 3
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 abstract 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 239000003782 beta lactam antibiotic agent Substances 0.000 abstract 1
- 238000002955 isolation Methods 0.000 abstract 1
- 239000002132 β-lactam antibiotic Substances 0.000 abstract 1
- 229940124586 β-lactam antibiotics Drugs 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D277/587—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with aliphatic hydrocarbon radicals substituted by 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, said aliphatic radicals being substituted in the alpha-position to the ring by a hetero atom, e.g. with m >= 0, Z being a singly or a doubly bound hetero atom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Cephalosporin Compounds (AREA)
- Thiazole And Isothizaole Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8216251 | 1982-06-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3379401D1 true DE3379401D1 (en) | 1989-04-20 |
Family
ID=10530831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8383303183T Expired DE3379401D1 (en) | 1982-06-03 | 1983-06-02 | Process for the preparation of a 4-halo-2-hydroxyimino-acetoacetic acid ester |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0102687B1 (enExample) |
| JP (1) | JPS58219156A (enExample) |
| AT (1) | ATE41417T1 (enExample) |
| DE (1) | DE3379401D1 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121494740A (zh) * | 2026-01-14 | 2026-02-10 | 山东金城医药化工有限公司 | 4-卤-2-甲氧亚胺基乙酰乙酸乙酯顺反异构转化的方法与装置 |
-
1983
- 1983-06-02 EP EP83303183A patent/EP0102687B1/en not_active Expired
- 1983-06-02 AT AT83303183T patent/ATE41417T1/de not_active IP Right Cessation
- 1983-06-02 DE DE8383303183T patent/DE3379401D1/de not_active Expired
- 1983-06-02 JP JP58097043A patent/JPS58219156A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| ATE41417T1 (de) | 1989-04-15 |
| JPS58219156A (ja) | 1983-12-20 |
| EP0102687A2 (en) | 1984-03-14 |
| JPH0350750B2 (enExample) | 1991-08-02 |
| EP0102687B1 (en) | 1989-03-15 |
| EP0102687A3 (en) | 1985-05-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |