ES2016800B3 - Proceso para purificar n-(2-hidroxietil)-2-metil-3 acido carboxilico amido-quinoxalin-1,4-di-n-oxido crudo - Google Patents
Proceso para purificar n-(2-hidroxietil)-2-metil-3 acido carboxilico amido-quinoxalin-1,4-di-n-oxido crudoInfo
- Publication number
- ES2016800B3 ES2016800B3 ES86309473T ES86309473T ES2016800B3 ES 2016800 B3 ES2016800 B3 ES 2016800B3 ES 86309473 T ES86309473 T ES 86309473T ES 86309473 T ES86309473 T ES 86309473T ES 2016800 B3 ES2016800 B3 ES 2016800B3
- Authority
- ES
- Spain
- Prior art keywords
- quinoxalin
- purify
- hydroxyethyl
- methyl
- carboxyl 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/36—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
- C07D241/50—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with hetero atoms directly attached to ring nitrogen atoms
- C07D241/52—Oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27315585A JPS62132870A (ja) | 1985-12-04 | 1985-12-04 | N−(2−ヒドロキシエチル)−2−メチル−3−カルボン酸アミド−キノキサリン−1,4−ジ−n−オキシドの精製法 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2016800B3 true ES2016800B3 (es) | 1990-12-01 |
Family
ID=17523874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES86309473T Expired - Lifetime ES2016800B3 (es) | 1985-12-04 | 1986-12-04 | Proceso para purificar n-(2-hidroxietil)-2-metil-3 acido carboxilico amido-quinoxalin-1,4-di-n-oxido crudo |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0226406B1 (es) |
JP (1) | JPS62132870A (es) |
CN (1) | CN1015056B (es) |
DE (1) | DE3673140D1 (es) |
ES (1) | ES2016800B3 (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111632400B (zh) * | 2020-06-21 | 2022-04-05 | 赤峰制药股份有限公司 | 一种烯胺盐重结晶纯化方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1670935C3 (de) * | 1967-10-04 | 1975-12-04 | Bayer Ag, 5090 Leverkusen | 2-Methyl-3-carbonsäureamidochinoxalin-1,4-dl-N-oxide, ein Verfahren zu ihrer Herstellung und diese Verbindungen enthaltende antibakterielle Mittel |
GB1325581A (en) * | 1969-07-22 | 1973-08-01 | Pfizer | 3-methyl-2-quinoxalinecarboxamide-di-n-oxides |
-
1985
- 1985-12-04 JP JP27315585A patent/JPS62132870A/ja active Granted
-
1986
- 1986-12-04 EP EP19860309473 patent/EP0226406B1/en not_active Expired
- 1986-12-04 CN CN 86108710 patent/CN1015056B/zh not_active Expired
- 1986-12-04 ES ES86309473T patent/ES2016800B3/es not_active Expired - Lifetime
- 1986-12-04 DE DE8686309473T patent/DE3673140D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN86108710A (zh) | 1987-08-05 |
EP0226406A3 (en) | 1988-05-25 |
EP0226406A2 (en) | 1987-06-24 |
CN1015056B (zh) | 1991-12-11 |
EP0226406B1 (en) | 1990-08-01 |
DE3673140D1 (de) | 1990-09-06 |
JPH0474353B2 (es) | 1992-11-26 |
JPS62132870A (ja) | 1987-06-16 |
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