JPH0215066A - フルメキン製造用中間体 - Google Patents
フルメキン製造用中間体Info
- Publication number
- JPH0215066A JPH0215066A JP1112745A JP11274589A JPH0215066A JP H0215066 A JPH0215066 A JP H0215066A JP 1112745 A JP1112745 A JP 1112745A JP 11274589 A JP11274589 A JP 11274589A JP H0215066 A JPH0215066 A JP H0215066A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- solution
- mixture
- hours
- toluene
- 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.)
- Granted
Links
- DPSPPJIUMHPXMA-UHFFFAOYSA-N 9-fluoro-5-methyl-1-oxo-6,7-dihydro-1H,5H-pyrido[3,2,1-ij]quinoline-2-carboxylic acid Chemical compound C1CC(C)N2C=C(C(O)=O)C(=O)C3=C2C1=CC(F)=C3 DPSPPJIUMHPXMA-UHFFFAOYSA-N 0.000 title 1
- 229960000702 flumequine Drugs 0.000 title 1
- 239000002253 acid Substances 0.000 claims abstract description 17
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 4
- 150000003839 salts Chemical class 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 7
- -1 4-Hydroxytetrahydroquinaldine hydrochloride Chemical compound 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract description 28
- 238000006243 chemical reaction Methods 0.000 abstract description 14
- MLUCVPSAIODCQM-NSCUHMNNSA-N crotonaldehyde Chemical compound C\C=C\C=O MLUCVPSAIODCQM-NSCUHMNNSA-N 0.000 abstract description 14
- MLUCVPSAIODCQM-UHFFFAOYSA-N crotonaldehyde Natural products CC=CC=O MLUCVPSAIODCQM-UHFFFAOYSA-N 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 7
- 230000002378 acidificating effect Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 3
- 239000002243 precursor Substances 0.000 abstract description 3
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 abstract 2
- OTAHQWIRSBPQHW-UHFFFAOYSA-N 6-fluoro-2-methyl-1,2,3,4-tetrahydroquinolin-4-ol;hydrochloride Chemical compound Cl.FC1=CC=C2NC(C)CC(O)C2=C1 OTAHQWIRSBPQHW-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 63
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 32
- 239000000243 solution Substances 0.000 description 26
- 239000000203 mixture Substances 0.000 description 23
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 21
- 239000007787 solid Substances 0.000 description 17
- 239000000047 product Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 239000000543 intermediate Substances 0.000 description 14
- BDCCXYVTXRUGAN-UHFFFAOYSA-N 6-fluoro-2-methyl-1,2,3,4-tetrahydroquinoline Chemical compound FC1=CC=C2NC(C)CCC2=C1 BDCCXYVTXRUGAN-UHFFFAOYSA-N 0.000 description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 12
- 238000007792 addition Methods 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- 238000001914 filtration Methods 0.000 description 8
- 238000010992 reflux Methods 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- GPIARMSVZOEZCV-UHFFFAOYSA-N 6-fluoro-2-methylquinoline Chemical compound C1=C(F)C=CC2=NC(C)=CC=C21 GPIARMSVZOEZCV-UHFFFAOYSA-N 0.000 description 7
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 7
- 238000006722 reduction reaction Methods 0.000 description 7
- KRZCOLNOCZKSDF-UHFFFAOYSA-N 4-fluoroaniline Chemical compound NC1=CC=C(F)C=C1 KRZCOLNOCZKSDF-UHFFFAOYSA-N 0.000 description 6
- 239000002585 base Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 4
- 239000005695 Ammonium acetate Substances 0.000 description 4
- 229940043376 ammonium acetate Drugs 0.000 description 4
- 235000019257 ammonium acetate Nutrition 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 230000001476 alcoholic effect Effects 0.000 description 3
- 235000019270 ammonium chloride Nutrition 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000012458 free base Substances 0.000 description 3
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 3
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 239000012265 solid product Substances 0.000 description 3
- UFUBHMKHWBJKMI-UHFFFAOYSA-N 6-fluoro-2-methyl-1,2,3,4-tetrahydroquinoline;hydrochloride Chemical compound Cl.FC1=CC=C2NC(C)CCC2=C1 UFUBHMKHWBJKMI-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 238000010533 azeotropic distillation Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- SQYNKIJPMDEDEG-UHFFFAOYSA-N paraldehyde Chemical compound CC1OC(C)OC(C)O1 SQYNKIJPMDEDEG-UHFFFAOYSA-N 0.000 description 2
- 229960003868 paraldehyde Drugs 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 239000011592 zinc chloride Substances 0.000 description 2
- 235000005074 zinc chloride Nutrition 0.000 description 2
- DERAACKMMNJAFU-UHFFFAOYSA-N 2-ethoxy-1,3-dioxane-4,6-dione Chemical compound CCOC1OC(=O)CC(=O)O1 DERAACKMMNJAFU-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- GFMMBRNGWZABKX-UHFFFAOYSA-N FC1=CC=C2NC(C)CCC2=C1.FC1=CC=C2NC(C)CCC2=C1 Chemical group FC1=CC=C2NC(C)CCC2=C1.FC1=CC=C2NC(C)CCC2=C1 GFMMBRNGWZABKX-UHFFFAOYSA-N 0.000 description 1
- 241000286819 Malo Species 0.000 description 1
- YDHWWBZFRZWVHO-UHFFFAOYSA-N [hydroxy(phosphonooxy)phosphoryl] phosphono hydrogen phosphate Chemical compound OP(O)(=O)OP(O)(=O)OP(O)(=O)OP(O)(O)=O YDHWWBZFRZWVHO-UHFFFAOYSA-N 0.000 description 1
- PQLVXDKIJBQVDF-UHFFFAOYSA-N acetic acid;hydrate Chemical compound O.CC(O)=O PQLVXDKIJBQVDF-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- LTMHNWPUDSTBKD-UHFFFAOYSA-N diethyl 2-(ethoxymethylidene)propanedioate Chemical compound CCOC=C(C(=O)OCC)C(=O)OCC LTMHNWPUDSTBKD-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 150000003840 hydrochlorides Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000137 polyphosphoric acid Polymers 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000012485 toluene extract Substances 0.000 description 1
- CMQCNTNASCDNGR-UHFFFAOYSA-N toluene;hydrate Chemical compound O.CC1=CC=CC=C1 CMQCNTNASCDNGR-UHFFFAOYSA-N 0.000 description 1
- ILWRPSCZWQJDMK-UHFFFAOYSA-N triethylazanium;chloride Chemical compound Cl.CCN(CC)CC ILWRPSCZWQJDMK-UHFFFAOYSA-N 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
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)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US122599 | 1980-02-19 | ||
| US122470 | 1980-02-19 | ||
| 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 |
| US122657 | 1993-09-17 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2286781A Division JPS56131582A (en) | 1980-02-19 | 1981-02-18 | Manufacture of 6,7-dihydro-9-fluoro-5-methyl- 1-oxo-1h,5h-benzo(ij)quinolidine-2-carboxylic acid and intermediate therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0215066A true JPH0215066A (ja) | 1990-01-18 |
| JPH0375541B2 JPH0375541B2 (enrdf_load_html_response) | 1991-12-02 |
Family
ID=27382802
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1112745A Granted JPH0215066A (ja) | 1980-02-19 | 1989-05-01 | フルメキン製造用中間体 |
| JP1112746A Granted JPH0215077A (ja) | 1980-02-19 | 1989-05-01 | フルメキンの製造方法 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1112746A Granted JPH0215077A (ja) | 1980-02-19 | 1989-05-01 | フルメキンの製造方法 |
Country Status (6)
| Country | Link |
|---|---|
| JP (2) | JPH0215066A (enrdf_load_html_response) |
| AU (1) | AU524459B2 (enrdf_load_html_response) |
| FR (1) | FR2476079A1 (enrdf_load_html_response) |
| GB (1) | GB2069498B (enrdf_load_html_response) |
| IE (1) | IE50928B1 (enrdf_load_html_response) |
| NZ (1) | NZ196293A (enrdf_load_html_response) |
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 (de) * | 1984-04-11 | 1985-10-17 | Boehringer Mannheim Gmbh, 6800 Mannheim | Fluorierte anilinderivate und ihre verwendung |
| IT1231425B (it) * | 1987-10-05 | 1991-12-04 | Prodotti Antibiotici Spa | Procedimento per la sintesi di un derivato dell'acido benzo (ij) chinolizin-2-carbossilico |
| 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 |
| US6777427B2 (en) | 2000-09-14 | 2004-08-17 | Kaken Pharmaceutical Co., Ltd. | Tetrahydroquinoline compounds |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4876898A (enrdf_load_html_response) * | 1971-12-30 | 1973-10-16 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE793524A (fr) * | 1971-12-30 | 1973-06-29 | Riker Laboratories Inc | Acides benzoquinolizine-carboxyliques et leurs derives |
-
1981
- 1981-02-18 AU AU67425/81A patent/AU524459B2/en not_active Ceased
- 1981-02-18 IE IE326/81A patent/IE50928B1/en not_active IP Right Cessation
- 1981-02-18 FR FR8103180A patent/FR2476079A1/fr active Granted
- 1981-02-18 NZ NZ196293A patent/NZ196293A/xx unknown
- 1981-02-18 GB GB8105054A patent/GB2069498B/en not_active Expired
-
1989
- 1989-05-01 JP JP1112745A patent/JPH0215066A/ja active Granted
- 1989-05-01 JP JP1112746A patent/JPH0215077A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4876898A (enrdf_load_html_response) * | 1971-12-30 | 1973-10-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU6742581A (en) | 1981-09-24 |
| JPH0375541B2 (enrdf_load_html_response) | 1991-12-02 |
| JPH0215077A (ja) | 1990-01-18 |
| FR2476079B1 (enrdf_load_html_response) | 1984-04-20 |
| FR2476079A1 (fr) | 1981-08-21 |
| IE810326L (en) | 1981-08-19 |
| GB2069498A (en) | 1981-08-26 |
| AU524459B2 (en) | 1982-09-16 |
| NZ196293A (en) | 1983-09-02 |
| JPH0416474B2 (enrdf_load_html_response) | 1992-03-24 |
| IE50928B1 (en) | 1986-08-20 |
| GB2069498B (en) | 1984-02-08 |
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