YU46542B - PROCESS FOR PREPARATION OF BF2-CHELATE COMPOUND PIRIDO / 1,2,3-DE // 1,4 / BENZOXAZINE-6-CARBOXYLIC ACIDS - Google Patents
PROCESS FOR PREPARATION OF BF2-CHELATE COMPOUND PIRIDO / 1,2,3-DE // 1,4 / BENZOXAZINE-6-CARBOXYLIC ACIDSInfo
- Publication number
- YU46542B YU46542B YU74688A YU74688A YU46542B YU 46542 B YU46542 B YU 46542B YU 74688 A YU74688 A YU 74688A YU 74688 A YU74688 A YU 74688A YU 46542 B YU46542 B YU 46542B
- Authority
- YU
- Yugoslavia
- Prior art keywords
- benzoxazine
- preparation
- chelate compound
- pirido
- carboxylic acids
- Prior art date
Links
Landscapes
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Abstract
POSTOPEK ZA PRIPRAVO BF2-KELATNE SPOJINE PIRIDO/1,2,3-DE//1,4/BENZOKSAZIN-6-KARBOKSILNE KISLINE, s formulo kjer X1 i X2 vsakokrat predstavljata atom halogena in R1 predstavlja alkilno skupino z 1 do 6 atomi ogljika, označen s tem, da presnovimo 1,4-benzoksazinsko spojino s formulo kjer imajo X1, X2 in R1 zgoraj navedeni pomen, z dietil etoksimetilen malonatom in z obdelavo nastale spojine z borovim trifluoridom ali njegovim kompleksom. Prijava sadrži još jedan zavisan patentni zahtev.A process for the preparation of the BF2-CHELATE COMPOUND PYRIDO / 1,2,3-DE // 1,4 / BENZOXAZINE-6-CARBOXYLIC ACID, of the formula wherein X1 and X2 each represent a halogen atom and R1 represents an alkyl group having 1 to 6 carbon atoms characterized in that the 1,4-benzoxazine compound of the formula wherein X1, X2 and R1 have the meanings given above is reacted with diethyl ethoxymethylene malonate and the resulting compound is treated with boron trifluoride or a complex thereof. The application contains another dependent patent application.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI8810746A SI8810746A8 (en) | 1981-09-09 | 1988-04-14 | Process for preparation of BF2-chelate compound of pyrido /1,2,3-de//1,4/ benzoxazine-6-carboxylic acid |
HR930085A HRP930085B1 (en) | 1981-09-09 | 1993-02-01 | PROCESS FOR THE PREPARATION OF BF2-KETONIC COMPOUND PYRIDOL (1,2,3-de)(1,4) BENZOXAZYNE-6-CARBOXYLIC ACID |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14191981A JPS5843977A (en) | 1981-09-09 | 1981-09-09 | Preparation of pyridobenzoxazine derivative |
Publications (2)
Publication Number | Publication Date |
---|---|
YU74688A YU74688A (en) | 1989-12-31 |
YU46542B true YU46542B (en) | 1993-11-16 |
Family
ID=15303207
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
YU202182A YU43922B (en) | 1981-09-09 | 1982-09-07 | Process for preparing pyrido (1,2,3-de)(1,4)-benzoxazine-6-carboxylic acid derivatives |
YU74688A YU46542B (en) | 1981-09-09 | 1988-04-14 | PROCESS FOR PREPARATION OF BF2-CHELATE COMPOUND PIRIDO / 1,2,3-DE // 1,4 / BENZOXAZINE-6-CARBOXYLIC ACIDS |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
YU202182A YU43922B (en) | 1981-09-09 | 1982-09-07 | Process for preparing pyrido (1,2,3-de)(1,4)-benzoxazine-6-carboxylic acid derivatives |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS5843977A (en) |
AR (1) | AR230451A1 (en) |
DD (1) | DD203719A5 (en) |
DK (2) | DK158268C (en) |
ES (1) | ES8400432A1 (en) |
FI (1) | FI76345C (en) |
PL (1) | PL130881B1 (en) |
PT (1) | PT75523B (en) |
YU (2) | YU43922B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0160284B1 (en) * | 1984-04-26 | 1990-10-24 | Abbott Laboratories | Quino-benoxazine antibacterial compounds |
CA1306750C (en) | 1985-12-09 | 1992-08-25 | Istvan Hermecz | Process for the preparation of quinoline carboxylic acide |
TW208013B (en) * | 1990-03-01 | 1993-06-21 | Daiichi Co Ltd |
-
1981
- 1981-09-09 JP JP14191981A patent/JPS5843977A/en active Granted
-
1982
- 1982-09-01 AR AR29051082A patent/AR230451A1/en active
- 1982-09-01 FI FI823024A patent/FI76345C/en not_active IP Right Cessation
- 1982-09-07 YU YU202182A patent/YU43922B/en unknown
- 1982-09-07 DK DK399782A patent/DK158268C/en not_active IP Right Cessation
- 1982-09-07 PT PT7552382A patent/PT75523B/en unknown
- 1982-09-08 PL PL23817782A patent/PL130881B1/en unknown
- 1982-09-08 DD DD24311682A patent/DD203719A5/en unknown
- 1982-09-09 ES ES515608A patent/ES8400432A1/en not_active Expired
-
1988
- 1988-03-29 DK DK173588A patent/DK173588D0/en active IP Right Grant
- 1988-04-14 YU YU74688A patent/YU46542B/en unknown
Also Published As
Publication number | Publication date |
---|---|
FI76345C (en) | 1988-10-10 |
FI76345B (en) | 1988-06-30 |
YU202182A (en) | 1984-12-31 |
DK158268C (en) | 1990-10-15 |
JPH0148910B2 (en) | 1989-10-20 |
AR230451A1 (en) | 1984-04-30 |
YU43922B (en) | 1989-12-31 |
DK399782A (en) | 1983-03-10 |
DK158268B (en) | 1990-04-23 |
PL238177A1 (en) | 1983-05-09 |
DD203719A5 (en) | 1983-11-02 |
PT75523A (en) | 1982-10-01 |
FI823024L (en) | 1983-03-10 |
DK173588A (en) | 1988-03-29 |
PT75523B (en) | 1984-12-12 |
PL130881B1 (en) | 1984-09-29 |
JPS5843977A (en) | 1983-03-14 |
FI823024A0 (en) | 1982-09-01 |
YU74688A (en) | 1989-12-31 |
ES515608A0 (en) | 1983-11-01 |
ES8400432A1 (en) | 1983-11-01 |
DK173588D0 (en) | 1988-03-29 |
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