MD118C2 - Method of obtaining of joint anhydride of quinoline-carboxylic acide and of boric acide - Google Patents
Method of obtaining of joint anhydride of quinoline-carboxylic acide and of boric acideInfo
- Publication number
- MD118C2 MD118C2 MD94-0133A MD940133A MD118C2 MD 118 C2 MD118 C2 MD 118C2 MD 940133 A MD940133 A MD 940133A MD 118 C2 MD118 C2 MD 118C2
- Authority
- MD
- Moldova
- Prior art keywords
- acide
- quinoline
- boric
- anhydride
- joint
- Prior art date
Links
Abstract
Usage as intermediate product for the synthesis of compounds with an antibacterial activity. The summary of the invention: a product with general formula:wherein: R1 and R2 represent halogen or acyloxigroup aliphatic with 2-6 carbon atoms, R3 represents chlor of fluorine, R4 represents cyclopropyl, ethyl or phenyl, with a possible substitution by one or two halogen, R5 represents hydrogen or fluorine.The reagent 1 is a compound with general formula:wherein R3; R4 and R5 have the above indicated meanings.R6 represents C1-C4 alkyl. The reagent r:B (OCOR6)3 in one solvent's medium.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU871504A HU198728B (en) | 1987-04-08 | 1987-04-08 | Process for producing quinolinecarboxylic acid derivatives |
| HU873147A HU200187B (en) | 1987-07-10 | 1987-07-10 | Process for producing (1-substituted-6-fluoro-7-chloro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid-boric) anhydrides |
| PCT/HU1988/000018 WO1988007998A1 (en) | 1987-04-08 | 1988-04-08 | Quinoline carboxylic acid boric acid anhydrides and process for the preparation thereof |
| SU884613042A RU1804457C (en) | 1987-04-08 | 1988-12-07 | Method of quinolinecarboxylic acid and boric acid mixed anhydrides synthesis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MD118B1 MD118B1 (en) | 1994-12-31 |
| MD118C2 true MD118C2 (en) | 1995-06-30 |
Family
ID=27269961
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MD94-0133A MD118C2 (en) | 1987-04-08 | 1994-04-08 | Method of obtaining of joint anhydride of quinoline-carboxylic acide and of boric acide |
| MD94-0134A MD71C2 (en) | 1987-04-08 | 1994-04-08 | The mixture of anhydrides of acids chinoline-carboxylic and acid boric as intermidiate products for obtaining |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MD94-0134A MD71C2 (en) | 1987-04-08 | 1994-04-08 | The mixture of anhydrides of acids chinoline-carboxylic and acid boric as intermidiate products for obtaining |
Country Status (2)
| Country | Link |
|---|---|
| LV (1) | LV5480A3 (en) |
| MD (2) | MD118C2 (en) |
-
1993
- 1993-06-22 LV LV930655A patent/LV5480A3/en unknown
-
1994
- 1994-04-08 MD MD94-0133A patent/MD118C2/en active IP Right Grant
- 1994-04-08 MD MD94-0134A patent/MD71C2/en active IP Right Grant
Non-Patent Citations (1)
| Title |
|---|
| Brevet nr. 3142854, DE, Int. cl. C 07 D 401/04, 1983 * |
Also Published As
| Publication number | Publication date |
|---|---|
| LV5480A3 (en) | 1994-03-10 |
| MD71B1 (en) | 1994-10-31 |
| MD71C2 (en) | 1995-01-31 |
| MD118B1 (en) | 1994-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG4A | Patent for invention issued | ||
| IF99 | Valid patent on 19990615 |
Free format text: EXPIRES: 20080407 |