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 ACIDS

Info

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
Application number
YU74688A
Other languages
Serbo-Croatian (sh)
Other versions
YU74688A (en
Inventor
J. Shiro
T. Hideaki
Original Assignee
Daiichi Seiyaku Co.Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daiichi Seiyaku Co.Ltd. filed Critical Daiichi Seiyaku Co.Ltd.
Priority to SI8810746A priority Critical patent/SI8810746A8/en
Publication of YU74688A publication Critical patent/YU74688A/en
Priority to HR930085A priority patent/HRP930085B1/en
Publication of YU46542B publication Critical patent/YU46542B/en

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  • 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.

YU74688A 1981-09-09 1988-04-14 PROCESS FOR PREPARATION OF BF2-CHELATE COMPOUND PIRIDO / 1,2,3-DE // 1,4 / BENZOXAZINE-6-CARBOXYLIC ACIDS YU46542B (en)

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)

* Cited by examiner, † Cited by third party
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

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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