IE810326L - Preparing flumequine. - Google Patents
Preparing flumequine.Info
- Publication number
- IE810326L IE810326L IE810326A IE32681A IE810326L IE 810326 L IE810326 L IE 810326L IE 810326 A IE810326 A IE 810326A IE 32681 A IE32681 A IE 32681A IE 810326 L IE810326 L IE 810326L
- Authority
- IE
- Ireland
- Prior art keywords
- flumequine
- preparing
- formula
- image
- gb2069498a
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with 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
- C07D215/20—Oxygen atoms
- C07D215/22—Oxygen atoms attached in position 2 or 4
- C07D215/233—Oxygen atoms attached in position 2 or 4 only one oxygen atom which is attached in position 4
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with 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
- C07D215/18—Halogen atoms or nitro radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D455/00—Heterocyclic compounds containing quinolizine ring systems, e.g. emetine alkaloids, protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine
- C07D455/03—Heterocyclic compounds containing quinolizine ring systems, e.g. emetine alkaloids, protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine containing quinolizine ring systems directly condensed with at least one six-membered carbocyclic ring, e.g. protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine
- C07D455/04—Heterocyclic compounds containing quinolizine ring systems, e.g. emetine alkaloids, protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine containing quinolizine ring systems directly condensed with at least one six-membered carbocyclic ring, e.g. protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine containing a quinolizine ring system condensed with only one six-membered carbocyclic ring, e.g. julolidine
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Quinoline Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Compounds of the formula: <IMAGE> wherein R is hydrogen or alkyl having 1-3 carbon atoms, and acid addition salts thereof, are useful intermediates in the preparation of 6- fluorotetrahydroquinaldine and flumequine which has the formula: <IMAGE>
[GB2069498A]
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/122,599 US4301288A (en) | 1980-02-19 | 1980-02-19 | Process for 6,7-dihydro-9-fluoro-5-methyl-1-oxo-1H,5H-benzo(ij)quinolizine-2-carboxylic acid |
US06/122,657 US4301289A (en) | 1980-02-19 | 1980-02-19 | Process for 6,7-dihydro-9-fluoro-5-methyl-1-oxo-1H,5H-benzo(ij)quinolizine-2-carboxylic acid |
US06/122,470 US4301291A (en) | 1980-02-19 | 1980-02-19 | Intermediates for 6,7-dihydro-9-fluoro-5-methyl-1-oxo-1H,5H-benzo(ij)quinolizine-2-carboxylic acid |
Publications (2)
Publication Number | Publication Date |
---|---|
IE810326L true IE810326L (en) | 1981-08-19 |
IE50928B1 IE50928B1 (en) | 1986-08-20 |
Family
ID=27382802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IE326/81A IE50928B1 (en) | 1980-02-19 | 1981-02-18 | Substituted tetrahydroquinaldines and their use in the preparation of flumequine |
Country Status (6)
Country | Link |
---|---|
JP (2) | JPH0215077A (en) |
AU (1) | AU524459B2 (en) |
FR (1) | FR2476079A1 (en) |
GB (1) | GB2069498B (en) |
IE (1) | IE50928B1 (en) |
NZ (1) | NZ196293A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4400386A (en) * | 1981-11-06 | 1983-08-23 | Riker Laboratories, Inc. | Antimicrobial derivatives of 8-amino and 8-aminomethyl benzo(ij)quinolizine |
US4472407A (en) * | 1983-03-17 | 1984-09-18 | Riker Laboratories, Inc. | Antimicrobial 8-alkoxy-6,7-dihydro-5-methyl-9-fluoro-1-oxo-1H,5H-benzo[ij]qu |
DE3413693A1 (en) * | 1984-04-11 | 1985-10-17 | Boehringer Mannheim Gmbh, 6800 Mannheim | FLUORINATED ANILINE DERIVATIVES AND THEIR USE |
IT1231425B (en) * | 1987-10-05 | 1991-12-04 | Prodotti Antibiotici Spa | PROCEDURE FOR THE SYNTHESIS OF A BENZO (IJ) QUINOLIZIN-2-CARBOXYLIC ACID DERIVATIVE |
CA2009664A1 (en) * | 1989-02-27 | 1990-08-27 | Philip Thiam Shin Lau | Tetrahydroquinolines and method of preparation |
US5043469A (en) * | 1989-07-17 | 1991-08-27 | Eastman Kodak Company | Process for preparing 5-substituted aminophenols |
CA2422137A1 (en) * | 2000-09-14 | 2003-03-13 | Kaken Pharmaceutical Co., Ltd. | Tetrahydroquinoline compounds |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE793524A (en) * | 1971-12-30 | 1973-06-29 | Riker Laboratories Inc | BENZOQUINOLIZINE-CARBOXYLIC ACIDS AND THEIR DERIVATIVES |
ZA728444B (en) * | 1971-12-30 | 1973-10-31 | Riker Laboratories Inc | Substituted benzo(ij)quinolizine-2-carboxylic acids and derivatives thereof |
-
1981
- 1981-02-18 AU AU67425/81A patent/AU524459B2/en not_active Ceased
- 1981-02-18 NZ NZ196293A patent/NZ196293A/en unknown
- 1981-02-18 IE IE326/81A patent/IE50928B1/en not_active IP Right Cessation
- 1981-02-18 GB GB8105054A patent/GB2069498B/en not_active Expired
- 1981-02-18 FR FR8103180A patent/FR2476079A1/en active Granted
-
1989
- 1989-05-01 JP JP1112746A patent/JPH0215077A/en active Granted
- 1989-05-01 JP JP1112745A patent/JPH0215066A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
GB2069498A (en) | 1981-08-26 |
JPH0215066A (en) | 1990-01-18 |
JPH0416474B2 (en) | 1992-03-24 |
AU524459B2 (en) | 1982-09-16 |
NZ196293A (en) | 1983-09-02 |
GB2069498B (en) | 1984-02-08 |
FR2476079A1 (en) | 1981-08-21 |
JPH0215077A (en) | 1990-01-18 |
AU6742581A (en) | 1981-09-24 |
FR2476079B1 (en) | 1984-04-20 |
IE50928B1 (en) | 1986-08-20 |
JPH0375541B2 (en) | 1991-12-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Patent lapsed |