NO158018B - Analogifremgangsmaate for fremstilling av terapeutisk aktive 1-cyklopropyl-6-fluor-1,4-dihydro-4-okso-7-piperazino-kinolin-3-karboksylsyrer. - Google Patents
Analogifremgangsmaate for fremstilling av terapeutisk aktive 1-cyklopropyl-6-fluor-1,4-dihydro-4-okso-7-piperazino-kinolin-3-karboksylsyrer. Download PDFInfo
- Publication number
- NO158018B NO158018B NO822346A NO822346A NO158018B NO 158018 B NO158018 B NO 158018B NO 822346 A NO822346 A NO 822346A NO 822346 A NO822346 A NO 822346A NO 158018 B NO158018 B NO 158018B
- Authority
- NO
- Norway
- Prior art keywords
- fluoro
- cyclopropyl
- dihydro
- oxo
- quinoline
- Prior art date
Links
- 239000002253 acid Substances 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims description 4
- 238000002360 preparation method Methods 0.000 title claims description 4
- 230000001225 therapeutic effect Effects 0.000 title 1
- MYSWGUAQZAJSOK-UHFFFAOYSA-N ciprofloxacin Chemical class C12=CC(N3CCNCC3)=C(F)C=C2C(=O)C(C(=O)O)=CN1C1CC1 MYSWGUAQZAJSOK-UHFFFAOYSA-N 0.000 claims abstract description 9
- 150000003839 salts Chemical class 0.000 claims abstract description 8
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims abstract description 4
- 150000004677 hydrates Chemical class 0.000 claims abstract description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 4
- 239000001257 hydrogen Substances 0.000 claims abstract description 4
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims abstract description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 4
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 claims description 10
- ISPVACVJFUIDPD-UHFFFAOYSA-N 7-chloro-1-cyclopropyl-6-fluoro-4-oxoquinoline-3-carboxylic acid Chemical compound C12=CC(Cl)=C(F)C=C2C(=O)C(C(=O)O)=CN1C1CC1 ISPVACVJFUIDPD-UHFFFAOYSA-N 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 7
- 150000004885 piperazines Chemical class 0.000 claims 1
- 229940066771 systemic antihistamines piperazine derivative Drugs 0.000 claims 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract description 7
- -1 beta-hydroxyethyl Chemical group 0.000 abstract description 6
- TXJIOKSSHCOKKH-UHFFFAOYSA-N 1-cyclopropyl-6-fluoro-7-(4-methylpiperazin-1-yl)-4-oxoquinoline-3-carboxylic acid Chemical compound C1CN(C)CCN1C(C(=C1)F)=CC2=C1C(=O)C(C(O)=O)=CN2C1CC1 TXJIOKSSHCOKKH-UHFFFAOYSA-N 0.000 abstract description 2
- NYCAUWIIPPYOAQ-UHFFFAOYSA-N 1-cyclopropyl-7-(4-ethylpiperazin-1-yl)-6-fluoro-4-oxoquinoline-3-carboxylic acid;hydroiodide Chemical compound I.C1CN(CC)CCN1C(C(=C1)F)=CC2=C1C(=O)C(C(O)=O)=CN2C1CC1 NYCAUWIIPPYOAQ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 13
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 10
- 239000000203 mixture Substances 0.000 description 9
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- 230000000844 anti-bacterial effect Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 5
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 4
- JXWCOCIEGOAZOG-UHFFFAOYSA-N 1,5-dichloro-2-fluoro-4-methylbenzene Chemical compound CC1=CC(F)=C(Cl)C=C1Cl JXWCOCIEGOAZOG-UHFFFAOYSA-N 0.000 description 3
- IGSFOXNHUBLZHU-UHFFFAOYSA-N 2,4-dichloro-5-methylaniline Chemical compound CC1=CC(N)=C(Cl)C=C1Cl IGSFOXNHUBLZHU-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 3
- IYXGSMUGOJNHAZ-UHFFFAOYSA-N Ethyl malonate Chemical compound CCOC(=O)CC(=O)OCC IYXGSMUGOJNHAZ-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000001110 calcium chloride Substances 0.000 description 3
- 235000011148 calcium chloride Nutrition 0.000 description 3
- 229910001628 calcium chloride Inorganic materials 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000003085 diluting agent Substances 0.000 description 3
- 239000000543 intermediate Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- AYNNSCRYTDRFCP-UHFFFAOYSA-N triazene Chemical compound NN=N AYNNSCRYTDRFCP-UHFFFAOYSA-N 0.000 description 3
- PVOAHINGSUIXLS-UHFFFAOYSA-N 1-Methylpiperazine Chemical compound CN1CCNCC1 PVOAHINGSUIXLS-UHFFFAOYSA-N 0.000 description 2
- RPZXUSJCSDQNTE-UHFFFAOYSA-N 2,4-dichloro-5-fluorobenzoyl chloride Chemical compound FC1=CC(C(Cl)=O)=C(Cl)C=C1Cl RPZXUSJCSDQNTE-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- 229960000583 acetic acid Drugs 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- LYOAKSDOTROZEF-UHFFFAOYSA-N ethyl 2-(2,4-dichloro-5-fluorobenzoyl)-3-ethoxyprop-2-enoate Chemical compound CCOC=C(C(=O)OCC)C(=O)C1=CC(F)=C(Cl)C=C1Cl LYOAKSDOTROZEF-UHFFFAOYSA-N 0.000 description 2
- POKPUCWXUHWGMX-UHFFFAOYSA-N ethyl 3-(2,4-dichloro-5-fluorophenyl)-3-oxopropanoate Chemical compound CCOC(=O)CC(=O)C1=CC(F)=C(Cl)C=C1Cl POKPUCWXUHWGMX-UHFFFAOYSA-N 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000007127 saponification reaction Methods 0.000 description 2
- 239000012312 sodium hydride Substances 0.000 description 2
- 229910000104 sodium hydride Inorganic materials 0.000 description 2
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 2
- 229940032330 sulfuric acid Drugs 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- WZWNFRQEMDEWEO-UHFFFAOYSA-N 1,5-dichloro-2-fluoro-4-(trichloromethyl)benzene Chemical compound FC1=CC(C(Cl)(Cl)Cl)=C(Cl)C=C1Cl WZWNFRQEMDEWEO-UHFFFAOYSA-N 0.000 description 1
- GQHTUMJGOHRCHB-UHFFFAOYSA-N 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine Chemical compound C1CCCCN2CCCN=C21 GQHTUMJGOHRCHB-UHFFFAOYSA-N 0.000 description 1
- KZCWJHUTTSVCRO-UHFFFAOYSA-N 2,4-dichloro-5-fluorobenzoic acid Chemical compound OC(=O)C1=CC(F)=C(Cl)C=C1Cl KZCWJHUTTSVCRO-UHFFFAOYSA-N 0.000 description 1
- KVFRYSFXEZPQDB-UHFFFAOYSA-N 2-(2,4-dichloro-5-fluorobenzoyl)propanedioic acid Chemical compound ClC1=C(C(=O)C(C(=O)O)C(=O)O)C=C(C(=C1)Cl)F KVFRYSFXEZPQDB-UHFFFAOYSA-N 0.000 description 1
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 1
- OBNLUGVPBLJNOJ-UHFFFAOYSA-N 2-oxo-4-piperazin-1-yl-1h-quinoline-3-carboxylic acid Chemical compound C12=CC=CC=C2NC(=O)C(C(=O)O)=C1N1CCNCC1 OBNLUGVPBLJNOJ-UHFFFAOYSA-N 0.000 description 1
- MHDVXFFSJDAWHB-UHFFFAOYSA-N 2-oxo-7-piperazin-1-yl-1h-quinoline-3-carboxylic acid Chemical class C1=C2NC(=O)C(C(=O)O)=CC2=CC=C1N1CCNCC1 MHDVXFFSJDAWHB-UHFFFAOYSA-N 0.000 description 1
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 1
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- HTJDQJBWANPRPF-UHFFFAOYSA-N Cyclopropylamine Chemical compound NC1CC1 HTJDQJBWANPRPF-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 1
- 229940092714 benzenesulfonic acid Drugs 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- DIOIOSKKIYDRIQ-UHFFFAOYSA-N ciprofloxacin hydrochloride Chemical compound Cl.C12=CC(N3CCNCC3)=C(F)C=C2C(=O)C(C(=O)O)=CN1C1CC1 DIOIOSKKIYDRIQ-UHFFFAOYSA-N 0.000 description 1
- 229960004106 citric acid Drugs 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006114 decarboxylation reaction Methods 0.000 description 1
- 239000012954 diazonium Substances 0.000 description 1
- 150000001989 diazonium salts Chemical class 0.000 description 1
- DYRSCZBWQXEMNL-UHFFFAOYSA-N diethyl 2-(2,4-dichloro-5-fluorobenzoyl)propanedioate Chemical compound CCOC(=O)C(C(=O)OCC)C(=O)C1=CC(F)=C(Cl)C=C1Cl DYRSCZBWQXEMNL-UHFFFAOYSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- UYJWKMILOGUYTL-UHFFFAOYSA-N ethyl 3-(cyclopropylamino)-2-(2,4-dichloro-5-fluorobenzoyl)prop-2-enoate Chemical compound C=1C(F)=C(Cl)C=C(Cl)C=1C(=O)C(C(=O)OCC)=CNC1CC1 UYJWKMILOGUYTL-UHFFFAOYSA-N 0.000 description 1
- CBYGICOUOXMVKV-UHFFFAOYSA-N ethyl 3-amino-3-cyclopropyl-2-(2,4-dichloro-5-fluorobenzoyl)prop-2-enoate Chemical compound C=1C(F)=C(Cl)C=C(Cl)C=1C(=O)C(C(=O)OCC)=C(N)C1CC1 CBYGICOUOXMVKV-UHFFFAOYSA-N 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-N formic acid Substances OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 229940071870 hydroiodic acid Drugs 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- HVTICUPFWKNHNG-UHFFFAOYSA-N iodoethane Chemical compound CCI HVTICUPFWKNHNG-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- SMBGWMJTOOLQHN-UHFFFAOYSA-N lead;sulfuric acid Chemical compound [Pb].OS(O)(=O)=O SMBGWMJTOOLQHN-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- OGJPXUAPXNRGGI-UHFFFAOYSA-N norfloxacin Chemical class C1=C2N(CC)C=C(C(O)=O)C(=O)C2=CC(F)=C1N1CCNCC1 OGJPXUAPXNRGGI-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- ANRQGKOBLBYXFM-UHFFFAOYSA-M phenylmagnesium bromide Chemical compound Br[Mg]C1=CC=CC=C1 ANRQGKOBLBYXFM-UHFFFAOYSA-M 0.000 description 1
- JRRBJSPQEVZLPI-UHFFFAOYSA-N piperazin-1-ium;hydroxide Chemical class O.C1CNCCN1 JRRBJSPQEVZLPI-UHFFFAOYSA-N 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- LISFMEBWQUVKPJ-UHFFFAOYSA-N quinolin-2-ol Chemical compound C1=CC=C2NC(=O)C=CC2=C1 LISFMEBWQUVKPJ-UHFFFAOYSA-N 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
-
- 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
- C07D215/48—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
- C07D215/54—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 3
- C07D215/56—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 3 with oxygen atoms in position 4
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oncology (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Communicable Diseases (AREA)
- Public Health (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Quinoline Compounds (AREA)
- Fodder In General (AREA)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Peptides Or Proteins (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Description
Oppfinnelsen vedrører fremstillingen av nye l-cyklopropyl-6-f luor-1,4-dihydro-4-okso-7-piperazino-kinolin-3-karboksylsyrer.
Det er allerede kjent at 1-etyl-6-fluor-1,4-dihydro-4-okso-7-piperazino-kinolin-3-karboksylsyrer har antibakterielle egenskaper [J. Med. Chem. 23, 1358 (1980)].
Det er nå funnet at de nye l-cyklopropyl-6-f luor-1,4-dihydro-4-okso-7-piperazino-kinolin-3-karboksylsyre med formel I
hvori R betyr hydrogen, metyl, etyl eller p<->hydroksyetyl, og deres farmasøytisk godtagbare syreaddisjonssalter og hydrater har en antibakteriell virkning,- som er overlegne kjente kinolon- og azaklnolon-karboksylsyrer. Forbindelsen ifølge oppfinnelsen viser deres overlegne antibakterielle virkning så vel mot grampositive som også gramnegative bakterier innbefattende Pseudonomas aeruglnosa.
Videre fremstilles l-cyklopropyl-6-fluor-1,4-dihydro-4-okso-7-piperazino-kinolin-3-karboksylsyre med formel (I) ved at 7-k1 or-l-cyklopropyl-6-fluor-1,4-dihydro-4-okso-kinolin-3-karboksylsyre med formel II (R^ - H) omsettes med piperazin eller piperazinderlvater med formel
III
hvori R har ovennevnte betydning.
Videre kan forbindelsene med formel II (R^ = alkyl) omsettes med III eventuelt i nærvær av en syrebinder som f.eks. trietylamin, 1,4-diaza-bicyklo-(2,2,2)oktan eller 1,8-diaza-bicyklo(5,4,0)undec-7-en, og deretter forsåpes de dannede 7-piperazino-kinolon-3-karboksylsyreestere alkalisk til I.
Omsetningen av II (R^ <■» H) med III foretas fortrinnsvis i et fortynningsmiddel som dimetylsulfoksyd, N.N-dimetylformamid, heksametylfosforsyre-trisamid, sulfolan, vann, en alkohol eller pyridin ved temperaturer på 20-200"C, fortrinnsvis 80-180°C. Omsetningen kan gjennomføres ved normaltrykk, men også ved forhøyet trykk, spesielt ved lavtkokende fortynningsmiddel. Vanligvis arbeider man ved trykk mellom ca. 1 til 100 bar, fortrinnsvis mellom 1 og 10 bar.
Ved gjennomføring av fremgangsmåten anvender man på 1 mol karboksylsyrer II 1-5 mol alkylpiperazin (ved piperazin 1-15 mol), fortrinnsvis 2-3 mol alkylpiperazin (ved piperazin 5-10 mol).
De dannede piperazino-kinolon-3-karboksylsyre I kan eventuelt overføres med en organisk eller uorganisk syre til et salt. For saltdannelse egnede syrer er f.eks. halogenhydrogensyrer, som saltsyre, bromhydrogensyre, jodhydrogensyre, svovelsyre, eddiksyre, sitronsyre og benzensulfonsyre.
Anvender man ved omsetningen av II med III eksempelvis 7-klor -l-cyklopropyl-6-fluor-1,4-dihydro-4-okso-kinolin-3-karboksylsyrer og metylpiperazin som reaksjonsdeltagere, så kan reaksjonsforløpet gjengis med følgende formel:
Som nye antibakterielle virksomme stoffer skal det i detalj nevnes: 7-piperazino-, 7-(4-metylpiperazino)-, 7-(4-etylpiperazino)-, 7-(4-p<->hydroksyetylpiperazino)-l-cyklopropyl-6-fluor-1,4-dihydro-4-okso-kinolin-3-karboksylsyre og farmasøytisk tålbare syreaddisjonssalter eller alkalisalter av disse forbindelser.
Utgangsforbindelsene II kan fremstilles over en malonester-syntese ifølge følgende reaksjonsskjema:
Malonsyredietylesteren (VII) acyleres med IV i nærvær av magnesiummalkoholat til acylmalonester (VIII) (organicium 3, opplag 1964, side 438).
Ved partiell forsåpning av dekarboksylering av VIII i vandig medium med katalytiske mengder p-toluensulfonsyre får man i godt utbytte aroyleddiksyreetylesteren IX som med o-maursyre-trietylester/acetanhydrid går over til 2-(2,4-diklor-5-fluor-benzoyl)-3-etoksy-acrylsyreetylester. Omsetningen av X med cyklopropylamln i et oppløsningsmiddel som f. eks. metylenklorid, alkohol, kloroform, cykloheksan eller toluen fører I svakt eksoterm reaksjon til det ønskede mellomprodukt VI.
Cykliseringsreaksjonen VI-»II (R<*> = alkyl) gjennomføres i et temperaturområde på ca. 60 til 280"C, fortrinnsvis 80 til 180°C.
Som fortynningsmiddel kan det anvendes dioksan, dimetylsulfoksyd, N-metylpyrrolidon, sulfolan, heksametylfosforsyretri-amld og fortrinnsvis N.N-dimetylformamid.
Som syrebindere kommer for dette reaksjonstrinn i betraktning kalium-t-butanolat, butyl-litium, litium-fenyl, fenyl-magnesiumbromid, natriumetylat og spesielt foretrukket natriumhydrid eller kaliumkarbonat. Det kan være fordelaktig å anvende et overskudd på 10 mol-36 av basen.
Det som utgangsmaterial for denne syntesemåte anvendte 2,4-diklor-5-f luor-benzoylklorid IV og den tilsvarende karboksylsyre samt det for fremstillingen av IV nødvendige 3-fluor-4,6-diklortoluen XI var ennå ikke omtalt I litteraturen.
Nedenstående formelskjema viser fremstilling av disse for-respektiv mellomprodukter i det det gås ut fra 2,4-diklor-5-metyl-anilin XII. Deretter diazoteres 2,4-diklor-5-metyl-anilin (XII) ved hjelp av NaN02 og det derved dannede diazonlumsalt overføres med dimetylamin til triazen (Xlla).
Triazen (Xlla) oppløses i overskytende vannfri HF. Derved spaltes triazen i 2,4-diklor-5-metyl-diazoniumfluorid og dimetylamin. Uten mellomisolering spaltes denne oppløsning termisk ved 130-140''C under N2~avspaltning til 3-fluor-4,6-diklortoluen XI utbytte 77,7# av det teoretiske.
3-fluor-4,6-diklortoluen XI kloreres i et temperaturområde fra 110 til 160°C under UV-bestråling til 2,4-diklor-5-fluor-1-triklormetylbenzen XIII.
Forsåpningene av XIII med 95# svovelsyre fører til 2,4-diklor-5-fluor-benzosyre XV som med tionylklorid går over I karboksylsyreklorid IV.
Forbindelsene ifølge oppfinnelsen utmerker seg ved en spesiell god antibakteriell virkning overfor grampositive og gramnegative bakterier, spesielt overfor forbindelsene ifølge tyske søknader nr. P 30 33 157.8 og DEOS 28 04 097 som det fremgår av følgende tabell.
Oppfinnelsen skal forklares ved hjelp av følgende eksempler.
EKSEMPEL 1
En blanding av 20 g 7-klor-l-cyklopropyl-6-f luor-1,4-dihydro-4-okso-kinolin-3-karboksylsyre, 28,5 g N-metylpiperazin og 120 ml vannfri dimetylsulfoksyd oppvarmes 1,5 timer ved 135-140°C. Oppløsningsmidlet avdestilleres i finvakuum, og resten suspenderes i ca. 50 ml EtøO, tørker i vakuumtørkeskap ved 80° C over CaCl2 og omkrystalliserer fra glykolmonometyl-eter. Det fås 14,5 g l-cyklopropyl-6-fluor-1,4-dihydro-7-(4-metyl-piperazino)-4-okso-kinolin-3-karboksylsyre av spaltningspunkt 248-250°C.
EKSEMPEL 2
En suspensjon av 2,81 g 7-klor-l-cyklopropyl-6-fluor-1,4-dihydro-4-okso-kinolin-3-karboksylsyre og 5,2 g N-P-hydroksy-etylpiperazin i 25 ml dimetylsulfoksyd oppvarmes i 2 timer ved 135-140°C. Oppløsningsmidlet avdestilleres i finvakuum, resten oppkokes kort med 20 ml H2O, hensettes natten over ved værelsestemperatur, utfelling frasuges under isavkjøling, vaskes med vann og tørkes i vakuum over CaCl2 ved 80°C. Man får 2,1 g l-cyklopropyl-6-fluor-1,4-dihydro-4-okso-(4-3-hydroksyetylpiperazino)-kinolin-3-karboksylsyre av spaltningspunkt 237-39°C.
EKSEMPEL 3
En blanding av 19,7 g 7-klor-l-cyklopropyl-6-fluor-1,4-dihydro-4-okso-kinolin-3-karboksylsyre, 30,1 g vannfritt piperazin og 100 ml dimetylsulfoksyd oppvarmes 2 timer ved 135-140°C. Oppløsningsmidlet avdestilleres i finvakuum, resten suspenderes i H2O, frasuges og vaskes med vann. Til ytterligere rensing oppkokes det fuktige råprodukt i 100 ml vann, frasuges ved værelsestemperatur, vaskes med H2O og tørkes i vakuumtørkeskap over CaCl2 ved 100°C til vektkon-stans. Man får 19,6 g l-cyklo-propyl-6-fluor-1,4-dihydro-4-okso-7-piperazino-kinolin-3-karboksylsyre av spaltningspunkt 255-257°C.
Den ifølge eksempel 3 fremstilte forbindelse oppløses I 50 ml 10 5É-ig saltsyre. Til den filtrerte oppløsning setter man
150 ml etanol, avkjøler med is, frasuges og vasker med alkohol og tørker i vakuum ved 100°C. Det fås 18,5 g 1-cyklopropyl-6-fluor-1,4-dihydro-4-okso-7-piperazino-kinolin-3-karboksylsyrehydroklorid som fargeløse krystaller av spaltningspunkt 308-310°C.
EKSEMPEL 4
En blanding av 1,2 g l-cyklopropyl-6-fluor-1,4-dihydro-4-okso-7-piperazino-kinolin-3-karboksylsyre, 1,13 g etyljodid, 0,73 g trietylamin og 20 ml N.N-dimetylformamid oppvarmes 2,5 time ved 70-80°C. Oppløsningsmidlet avdestilleres i vakuum og resten suspenderes i vann. Man frasuger, ettervasker med H2O og påtrykker leire. Det fås 1,15 g l-cyklopropyl-6-fluor-7-( etyl - piperazino )-l,4-dihydro-4-okso-kinolin-3-karboksylsyre-hydroklorid av spaltningspunkt 306°C.
Det som utgangsmaterial anvendte 7-klor-l-cyklopropyl-6-fluor-1,4-dihydro-4-okso-kinolin-3-karboksylsyre II fremstilles som følger: 24,3 g magnesiumspon suspenderes I 50 ml vannfri etanol. Man blander med 5 ml karbontetraklorid og tildrypper når reaksjonen er kommet i gang en blanding av 160 g malonsyredietyles-ter VII, 100 ml abs. etanol og 400 ml vannfri eter, i det det er iakttatt et heftig tilbakeløp. Etter avslutningen av reaksjonen oppvarmes ennå i to timer til koking, avkjøles med tørris/aceton til -5 til -10°C, og ved denne temperatur tildryppes langsomt en oppløsning av 227,5 g 2,4-diklor-5-fluor-benzoylklorld IV i 100 ml abs. eter. Man omrører 1 time ved 0°C til -5°, lar det komme til værelsestemperatur natten over, og lar under isavkjøling sette til en blanding av 400 ml isvann og 25 ml kons. svovelsyre. Fasene adskilles og etterekstraheres to ganger med eter. De forenede eteropp-løsninger vaskes med mettet NaCl-oppløsning, tørkes med Na2S04, og oppløsningsmidlet fjernes i vakuum. Man får 349,5 g 2,4-diklor-5-fluor-benzoyl-malonsyre-dietyleter VIII som råprodukt.
En emulsjon av 34,9 g rå 2,4-diklor-5-fluor-benzoyl-malon-syre-dietylester VIII i 50 ml vann blandes med 0,15 g p-toluensulfonsyre. Man oppvarmer under god omrøring 3 timer til koking, ekstraherer den avkjølte emulsjon flere ganger med metylenklorid, vasker de forenede CH2Cl2-oppløsninger en gang med mettet NaCl-oppløsning, tørker med Na2SC>4, og avdestillerer oppløsningsmidlet i vakuum. Fraksjonering av resten i finvakuum gir 21,8 g 2,4-diklor-5-fluor-benzoyl-eddiksyreetylester IX av kokepunkt 127-142,,C/0,09 mbar.
En blanding av 21,1 g 2,4-diklor-5-fluor-benzoyl-eddiksyre-etylester IX, 16,65 g o-maursyreetyleter og 18,55 g acetan-hydrld oppvarmes 2 timer ved 150° C. Deretter avdestilleres i vannstrålevakuum og sist i finvakuum en badtemperatur på 120'C til flyktige bestanddeler. Det blir tilbake 25,2 g rå 2-(2,4-diklor-5-benzoyl)-3-etoksy-acrylsyreetylester X. Det er tilstrekkelig rent for den videre omsetning.
En oppløsning av 24,9 g 2-(2,4-diklor-5-fluor-benzoyl)-3-etoksy-acrylsyreetylester X i 80 ml etanol blandes under isavkjøling og omrøres dråpevis med 4,3 g cyklopropylamin. Når denne eksoterme reaksjon er avsluttet, omrøres ennå 1 time ved værelsestemperatur og oppløsningsmidlet fjernes i vakuum og resten omkrystalliseres fra cykloheksan/petroleter. Man får 22,9 g 2-(2,4-diklor-5-fluor-benzoyl)-3-cyklopropyl-amlno-acrylsyreetylester VI (R<1> = C2H5) av smeltepunkt 89-90'C.
En oppløsning av 31,9 g 2-(2,4-diklor-5-fluor-benzoyl)-3-cyklopropylamino-acrylsyre-etylester VI (R<1> - C2H5) I 100 ml vannfri dloksan blandes under isavkjøling og omrøres por-sjonsvis med 3,44 g 80 #-ig natriumhydrid. Deretter omrøres 30 mintter ved værelsestemperatur og 2 timer under tilbakeløp og dloksanet fjernes i vakuum. Resten (40,3 g) suspenderes I 150 ml vann, blandes med 6,65 g etskaller og refluks tilbake-løpkokes i 1 time. Deretter filtreres den varme oppløsning, og vaskes med H2O. Deretter surgjøres med halvkonsentrert saltsyre under isavkjøling til pH = 1-2, utfellingen frasuges, vaskes med vann, tørkes i vakuum ved 100°C. Man får på denne måte 27,7 g 7-klor-l-cyklopropyl-6-fluor-1,4-dihydro-4-okso-kinolin-3-karboksylsyre II (R<1> H) av smeltepunkt 234-237°C.
Claims (1)
1.
Analogi fremgangsmåte til fremstilling av terapeutisk aktiv 1-cyklopropyl-6-fluor-1,4-dihydro-4-okso-7-piperazino-kinolin-3-karboksylsyre med formel I
hvori
R betyr hydrogen, metyl, etyl eller P-hydroksyetyl, samt deres farmasøytisk anvendbare syreaddisjonssalter og hydrater ,
karakterisert ved at 7-klor-l-cyklopropyl-6-f luor-1,4-dihydro-4-okso-kinolin-3-karboksylsyre med formel II
omsettes med piperazin eller piperazinderivater med formel III
hvori R har ovennevnte betydning ved 20 til 200°C,og eventuelt overføres den dannede forbindelse med formel I til et syreaddisjonssalt eller et hydrat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO871195A NO167800C (no) | 1981-10-29 | 1987-03-23 | Mellomprodukt for fremstilling av terapeutisk aktiv 1-cyklopropyl-6-fluor-1,4-dihydro-4-okso-7-piperazino-kinolin-3-karboksylsyre. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19813142854 DE3142854A1 (de) | 1981-10-29 | 1981-10-29 | 1-cyclopropyl-6-fluor-1,4-dihydro-4-oxo-7-piperazino-chinolin-3-carbonsaeuren, verfahren zu ihrer herstellung sowie diese enthaltende antibakterielle mittel |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO822346L NO822346L (no) | 1983-05-02 |
| NO158018B true NO158018B (no) | 1988-03-21 |
| NO158018C NO158018C (no) | 1988-06-29 |
Family
ID=6145081
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO822346A NO158018C (no) | 1981-10-29 | 1982-07-05 | Analogifremgangsmaate for fremstilling av terapeutisk aktive 1-cyklopropyl-6-fluor-1,4-dihydro-4-okso-7-piperazino-kinolin-3-karboksylsyrer. |
| NO1994030C NO1994030I1 (no) | 1981-10-29 | 1994-12-30 | Enrofloxacin/ 1-cyclopropyl-7-(4-etyl-1-piperazinyl)-6-fluor-1,4-dihydro1-okso-3-3-quinolinkarboksylsyre |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO1994030C NO1994030I1 (no) | 1981-10-29 | 1994-12-30 | Enrofloxacin/ 1-cyclopropyl-7-(4-etyl-1-piperazinyl)-6-fluor-1,4-dihydro1-okso-3-3-quinolinkarboksylsyre |
Country Status (20)
| Country | Link |
|---|---|
| EP (1) | EP0078362B1 (no) |
| JP (5) | JPS5874667A (no) |
| KR (1) | KR870000895B1 (no) |
| AT (1) | ATE23040T1 (no) |
| AU (3) | AU561103B2 (no) |
| CA (1) | CA1218067A (no) |
| DD (1) | DD202560A5 (no) |
| DE (2) | DE3142854A1 (no) |
| DK (2) | DK160491C (no) |
| ES (1) | ES516921A0 (no) |
| FI (1) | FI78689C (no) |
| GR (1) | GR77707B (no) |
| HU (1) | HU187580B (no) |
| IE (1) | IE53709B1 (no) |
| IL (1) | IL66243A (no) |
| LU (1) | LU88325I2 (no) |
| NO (2) | NO158018C (no) |
| NZ (1) | NZ202278A (no) |
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| ZA (1) | ZA824829B (no) |
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| DE3248505A1 (de) * | 1982-12-29 | 1984-07-05 | Bayer Ag, 5090 Leverkusen | 1-cyclopropyl-6-fluor-1,4-dihydro-4-oxo-7(4- (oxoalkyl)-1-piperazinyl/-3-chinolincarbonsaeuren und ihre derivate, verfahren zu ihrer herstellung sowie diese enthaltende antibakterielle mittel |
| DE3248506A1 (de) * | 1982-12-29 | 1984-07-05 | Bayer Ag, 5090 Leverkusen | 1-cyclopropyl-6-fluor-1,4-dihydro-4-oxo-7(alkyl-1-piperazinyl)-3-chinolincarbonsaeuren, verfahren zu ihrer herstellung sowie diese enthaltende antibakterielle mittel |
| DE3306772A1 (de) * | 1983-02-25 | 1984-08-30 | Bayer Ag, 5090 Leverkusen | Chinolonsaeuren, verfahren zu ihrer herstellung sowie diese enthaltende antibakterielle mittel |
| DE3306771A1 (de) * | 1983-02-25 | 1984-08-30 | Bayer Ag, 5090 Leverkusen | Chinoloncarbonsaeuren, verfahren zu ihrer herstellung sowie diese enthaltende antibakterielle mittel |
| DE3318145A1 (de) * | 1983-05-18 | 1984-11-22 | Bayer Ag, 5090 Leverkusen | 7-amino-1-cyclopropyl-6,8-difluor-1,4-dihydro-4-oxo-3-chinolincarbonsaeuren, verfahren zu ihrer herstellung sowie diese enthaltende antibakterielle mittel |
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| IE58742B1 (en) * | 1984-07-20 | 1993-11-05 | Warner Lambert Co | Substituted-9-fluoro-3-methyl-7-oxo-2,3-dihydro-7h-pyrido[1,2,3-de] [1,4]benzoxauine-6-carboxylic acids; sibstituted-5-amino-6-6fluoro-4-oxo.1,4-dihydroquinoline-3 carboxylic acids; substituted-5-amino-6-fluoro-1,4-dihydro-4-oxo-1.8-naphthyridine-3-carboxylic acids; derivatives thereof; pharmaceutical compositions comprising the compounds; and processes for producing the compounds |
| DE3502935A1 (de) * | 1984-09-29 | 1986-04-10 | Bayer Ag, 5090 Leverkusen | 3-amino-2-benzoyl-acrylsaeurederivate und ein verfahren zu ihrer herstellung |
| FR2574404B1 (fr) * | 1984-12-12 | 1987-04-24 | Provesan Sa | Derives 1-substitues de l'acide 6-fluoro-7-(pyrrol-1-yl)-1,4-dihydro-4-oxoquinoleine-3-carboxylique, leur preparation et leur application en tant que medicaments |
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| DE3517709A1 (de) * | 1985-01-05 | 1986-07-10 | Bayer Ag | Basische zubereitungen von chinoloncarbonsaeuren |
| JPS61180771A (ja) * | 1985-01-05 | 1986-08-13 | バイエル・アクチエンゲゼルシヤフト | 安定な抗バクテリア剤水溶液 |
| DE3508816A1 (de) * | 1985-01-10 | 1986-07-10 | Bayer Ag, 5090 Leverkusen | 6,7-disubstituierte 1-cyclopropyl-1,4-dihydro-4-oxo-1,8-naphtyridin-3-carbonsaeuren |
| DE3501247A1 (de) * | 1985-01-16 | 1986-07-17 | Bayer Ag, 5090 Leverkusen | Aminoacrylsaeure-derivate |
| AT392791B (de) * | 1985-01-23 | 1991-06-10 | Toyama Chemical Co Ltd | Verfahren zur herstellung von 1-substituierten aryl-1,4-dihydro-4-oxonaphthyridinderivaten |
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| DE3509546A1 (de) * | 1985-03-16 | 1986-09-25 | Bayer Ag, 5090 Leverkusen | 7-amino-1-(subst.cyclopropyl)-1,4-dihydro-4-oxo-3-chinolincarbonsaeuren, verfahren zu ihrer herstellung sowie diese enthaltende antibakterielle mittel |
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| WO2013157018A1 (en) | 2012-04-18 | 2013-10-24 | Indian Institute Of Technology Madras | A process for the preparation of the core structure in quinolone and napthyridone class of antibiotics |
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| JPS5188973A (ja) * | 1975-01-29 | 1976-08-04 | Shinkinakinoronkarubonsanjudotainoseiho | |
| JPS53141286A (en) * | 1977-05-16 | 1978-12-08 | Kyorin Seiyaku Kk | Novel substituted quinolinecarboxylic acid |
| CA1175836A (en) * | 1977-09-20 | 1984-10-09 | Marcel Pesson | Production of 1,4-dihydroquinoline-3-carboxylic acid derivatives |
| JPS5466686A (en) * | 1977-09-20 | 1979-05-29 | Dainippon Pharmaceut Co Ltd | Quinoline-3-carboxylic acid derivative, its preparation, and pharmaceutical composition containig the same |
| DE2808070A1 (de) * | 1978-02-24 | 1979-08-30 | Bayer Ag | Verfahren zur herstellung von 4-pyridon-3-carbonsaeuren und/oder deren derivaten |
| DE3033157A1 (de) * | 1980-09-03 | 1982-04-01 | Bayer Ag, 5090 Leverkusen | 7-amino-1-cyclopropyl-4-oxo-1,4-dihydro-naphthyridin-3-carbonsaeuren, verfahren zu ihrer herstellung sowie diese enthaltende antibakterielle mittel |
| JPS5762259A (en) * | 1980-09-05 | 1982-04-15 | Kyorin Pharmaceut Co Ltd | Preparation of substituted quinolinecarboxylic acid derivative |
| IE52125B1 (en) * | 1980-10-02 | 1987-06-24 | Fox Charles L Jun | 1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quino-line carboxylic acid and metal salts thereof useful in burn therapy |
| US4788320A (en) * | 1986-01-20 | 1988-11-29 | Kyorin Pharmaceutical Co., Ltd. | Benzoylacetic acid ester derivatives and process for their preparations |
| US4689423A (en) * | 1986-04-01 | 1987-08-25 | Warner-Lambert Company | Process for the preparation of 2,3,4,5-tetrafluorobenzoyl acetates |
| JPS6356224A (ja) * | 1986-08-27 | 1988-03-10 | 株式会社クボタ | マルチ作業機の覆土装置 |
| CA2017090A1 (en) * | 1990-05-17 | 1991-11-17 | Stephen Dunn | Coating composition |
-
1981
- 1981-10-29 DE DE19813142854 patent/DE3142854A1/de not_active Withdrawn
-
1982
- 1982-07-01 IE IE1606/82A patent/IE53709B1/en not_active IP Right Cessation
- 1982-07-05 NO NO822346A patent/NO158018C/no not_active IP Right Cessation
- 1982-07-06 IL IL66243A patent/IL66243A/xx not_active IP Right Cessation
- 1982-07-07 ZA ZA824829A patent/ZA824829B/xx unknown
- 1982-07-07 DK DK306082A patent/DK160491C/da not_active IP Right Cessation
- 1982-07-08 FI FI822442A patent/FI78689C/fi not_active IP Right Cessation
- 1982-07-09 AU AU85768/82A patent/AU561103B2/en not_active Expired
- 1982-07-16 DD DD82241728A patent/DD202560A5/de unknown
- 1982-07-19 KR KR8203203A patent/KR870000895B1/ko not_active Expired
- 1982-07-19 EP EP82106472A patent/EP0078362B1/de not_active Expired
- 1982-07-19 DE DE8282106472T patent/DE3273892D1/de not_active Expired
- 1982-07-19 AT AT82106472T patent/ATE23040T1/de not_active IP Right Cessation
- 1982-07-29 JP JP57131346A patent/JPS5874667A/ja active Granted
- 1982-08-13 CA CA000409435A patent/CA1218067A/en not_active Expired
- 1982-10-25 GR GR69612A patent/GR77707B/el unknown
- 1982-10-26 NZ NZ202278A patent/NZ202278A/en unknown
- 1982-10-28 HU HU823457A patent/HU187580B/hu unknown
- 1982-10-28 PH PH28052A patent/PH18803A/en unknown
- 1982-10-28 ES ES516921A patent/ES516921A0/es active Granted
-
1987
- 1987-04-09 AU AU71406/87A patent/AU573126B2/en not_active Expired
- 1987-04-09 AU AU71405/87A patent/AU573125B2/en not_active Expired
- 1987-05-25 JP JP62127876A patent/JPS6322075A/ja active Granted
- 1987-05-25 JP JP62127877A patent/JPS6322076A/ja active Granted
- 1987-05-25 JP JP62127878A patent/JPS6322057A/ja active Granted
-
1990
- 1990-08-10 DK DK190890A patent/DK162637C/da not_active IP Right Cessation
-
1991
- 1991-05-27 JP JP3151073A patent/JPH0824536B2/ja not_active Expired - Lifetime
-
1993
- 1993-06-24 LU LU88325C patent/LU88325I2/fr unknown
-
1994
- 1994-12-30 NO NO1994030C patent/NO1994030I1/no unknown
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