DK161889B - 7-substituerede 1-cyclopropyl-6,8-difluor-1,4-dihydro-4-oxo-3-quinolincarboxylsyreforbindelser og farmaceutiske kompositioner indeholdende disse - Google Patents
7-substituerede 1-cyclopropyl-6,8-difluor-1,4-dihydro-4-oxo-3-quinolincarboxylsyreforbindelser og farmaceutiske kompositioner indeholdende disse Download PDFInfo
- Publication number
- DK161889B DK161889B DK068785A DK68785A DK161889B DK 161889 B DK161889 B DK 161889B DK 068785 A DK068785 A DK 068785A DK 68785 A DK68785 A DK 68785A DK 161889 B DK161889 B DK 161889B
- Authority
- DK
- Denmark
- Prior art keywords
- oxo
- cyclopropyl
- dihydro
- acid
- compound
- Prior art date
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- 239000008194 pharmaceutical composition Substances 0.000 title claims description 5
- -1 7-SUBSTITUTED 1-CYCLOPROPYL-6,8-DIFLUOR-1,4-DIHYDRO-4-OXO-3-QUINOLINCARBOXYLIC ACID COMPOUNDS Chemical class 0.000 title description 21
- 150000001875 compounds Chemical class 0.000 claims description 72
- 239000003937 drug carrier Substances 0.000 claims description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 42
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 36
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 36
- 239000000203 mixture Substances 0.000 description 35
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 33
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 27
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 26
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 24
- 239000000243 solution Substances 0.000 description 19
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- 239000007787 solid Substances 0.000 description 18
- 150000003839 salts Chemical class 0.000 description 17
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 16
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 15
- 235000002639 sodium chloride Nutrition 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 14
- 239000002904 solvent Substances 0.000 description 14
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 13
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- 239000002585 base Substances 0.000 description 9
- NMASXYCNDJMMFR-UHFFFAOYSA-N 1-cyclopropyl-6,7,8-trifluoro-4-oxoquinoline-3-carboxylic acid Chemical compound C12=C(F)C(F)=C(F)C=C2C(=O)C(C(=O)O)=CN1C1CC1 NMASXYCNDJMMFR-UHFFFAOYSA-N 0.000 description 8
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 8
- 239000000706 filtrate Substances 0.000 description 8
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- 235000019341 magnesium sulphate Nutrition 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 239000000463 material Substances 0.000 description 7
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- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 6
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- 239000001257 hydrogen Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 6
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- 239000012280 lithium aluminium hydride Substances 0.000 description 5
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- ZSYALYBRMVKYAS-UHFFFAOYSA-N 1-(1-benzylpyrrolidin-3-yl)-n-methylmethanamine Chemical compound C1C(CNC)CCN1CC1=CC=CC=C1 ZSYALYBRMVKYAS-UHFFFAOYSA-N 0.000 description 3
- SFKRXQKJTIYUAG-UHFFFAOYSA-N 2,3,4,5-tetrafluorobenzoic acid Chemical compound OC(=O)C1=CC(F)=C(F)C(F)=C1F SFKRXQKJTIYUAG-UHFFFAOYSA-N 0.000 description 3
- UHBXZNXCIZHGFF-UHFFFAOYSA-N 7-(3-aminopyrrolidin-1-yl)-1-cyclopropyl-6,8-difluoro-4-oxoquinoline-3-carboxylic acid Chemical compound C1C(N)CCN1C1=C(F)C=C2C(=O)C(C(O)=O)=CN(C3CC3)C2=C1F UHBXZNXCIZHGFF-UHFFFAOYSA-N 0.000 description 3
- 241000588724 Escherichia coli Species 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
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- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 241000191967 Staphylococcus aureus Species 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000004480 active ingredient Substances 0.000 description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- AMRNWWPARHIDHZ-UHFFFAOYSA-N n-[(1-benzylpyrrolidin-3-yl)methyl]ethanamine Chemical compound C1C(CNCC)CCN1CC1=CC=CC=C1 AMRNWWPARHIDHZ-UHFFFAOYSA-N 0.000 description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 3
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- 238000000746 purification Methods 0.000 description 3
- 238000010561 standard procedure Methods 0.000 description 3
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- OCMQLNXULHLWBT-UHFFFAOYSA-N 1-benzyl-n-ethyl-5-oxopyrrolidine-3-carboxamide Chemical compound O=C1CC(C(=O)NCC)CN1CC1=CC=CC=C1 OCMQLNXULHLWBT-UHFFFAOYSA-N 0.000 description 2
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- JZOGAALDCRGVFD-UHFFFAOYSA-N 1-cyclopropyl-6,8-difluoro-7-[3-[(2-methylpropan-2-yl)oxycarbonylamino]pyrrolidin-1-yl]-4-oxoquinoline-3-carboxylic acid Chemical compound C1C(NC(=O)OC(C)(C)C)CCN1C1=C(F)C=C2C(=O)C(C(O)=O)=CN(C3CC3)C2=C1F JZOGAALDCRGVFD-UHFFFAOYSA-N 0.000 description 2
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- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
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- 239000008101 lactose Substances 0.000 description 1
- 239000012669 liquid formulation Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
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- UYWQUFXKFGHYNT-UHFFFAOYSA-N phenylmethyl ester of formic acid Natural products O=COCC1=CC=CC=C1 UYWQUFXKFGHYNT-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 235000014786 phosphorus Nutrition 0.000 description 1
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- 239000002798 polar solvent Substances 0.000 description 1
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- 239000011591 potassium Substances 0.000 description 1
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- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 1
- MFDFERRIHVXMIY-UHFFFAOYSA-N procaine Chemical compound CCN(CC)CCOC(=O)C1=CC=C(N)C=C1 MFDFERRIHVXMIY-UHFFFAOYSA-N 0.000 description 1
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- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000719 pyrrolidinyl group Chemical group 0.000 description 1
- DJXNJVFEFSWHLY-UHFFFAOYSA-N quinoline-3-carboxylic acid Chemical class C1=CC=CC2=CC(C(=O)O)=CN=C21 DJXNJVFEFSWHLY-UHFFFAOYSA-N 0.000 description 1
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
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- 159000000000 sodium salts Chemical class 0.000 description 1
- KEAYESYHFKHZAL-OUBTZVSYSA-N sodium-24 Chemical compound [24Na] KEAYESYHFKHZAL-OUBTZVSYSA-N 0.000 description 1
- 239000007909 solid dosage form Substances 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
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- 229940031000 streptococcus pneumoniae Drugs 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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- 150000003512 tertiary amines Chemical class 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000000196 tragacanth Substances 0.000 description 1
- 235000010487 tragacanth Nutrition 0.000 description 1
- 229940116362 tragacanth Drugs 0.000 description 1
- 125000004044 trifluoroacetyl group Chemical group FC(C(=O)*)(F)F 0.000 description 1
- 125000002221 trityl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C([*])(C1=C(C(=C(C(=C1[H])[H])[H])[H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
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- 235000021419 vinegar Nutrition 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/04—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D207/08—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon radicals, substituted by hetero atoms, attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
- C07C205/45—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by at least one doubly—bound oxygen atom, not being part of a —CHO group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D205/00—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
- C07D205/02—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D205/04—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/04—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D207/08—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon radicals, substituted by hetero atoms, attached to ring carbon atoms
- C07D207/09—Radicals substituted by nitrogen atoms, not forming part of a nitro radical
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/04—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D207/10—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members 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
- C07D207/14—Nitrogen atoms not forming part of a nitro radical
-
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- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member 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
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
- C07D207/273—2-Pyrrolidones 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 other ring carbon atoms
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- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen 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
- C07D213/72—Nitrogen atoms
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- 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
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- C07D265/34—1,4-Oxazines; Hydrogenated 1,4-oxazines condensed with carbocyclic rings
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- C07D407/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings
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Description
DK 16188 9 B
US Patentskrift 4.341.784 omtaler visse substituerede 7-(3-amino-l-pyrrolidinyl)-l-ethyl-6-fluor-l,4-di-hydro-4-oxo-l,8-naphthyridin-3-carboxylsyrer med den almene formel: 5 1
Fv C° 2H
V *a
NHR
10
Forbindelserne er angivet af have antibakteriel aktivitet. Lignende forbindelser, dog med en cyclopropyl- substituent i 1-stillingen i stedet for ethyl er kendt fra DK ans. nr. 3651/84.
15 The Journal of Medicinal Chemistry, 23^, 1358 (1980), omtaler visse substituerede quinolin-3-carboxyl-syrer med formlen:
O
20 T ! T
C2H5 hvor O- kan være pyrrolidinyl. Se også US patentskrift 25 4.146.719. Forbindelserne er angivet at have antibakteriel aktivitet.
Visse 7-heterocycliske substituerede 1,8-naphthy-ridiner er omtalt i Eur. J. Med. Chem.- Chimica Therapeu-tica 29, 27 (1977). US patentskrifterne 3.753.993 og 30 3.907.808 omtaler visse 7-pyridyl-quinoliner.
Det anføres i nævnte publikationer, at disse forbindelser har antibakteriel aktivitet.
Opfindelsen angår 7-substituerede 1-cyclopropyl-6, 8-difluor-1 ,4-dihydro-4-oxo-3-quinolincarboxylsyrefor-35 bindeiser, og de er ejendommelige ved, at de er valgt blandt følgende:
DK 161889 B
2 7- [3-( aminomethyl) -1 -pyrrol idinyl j -1 -cyclopropyl-6,8-difluor-1,4-dihydro-4-oxo-3-quinolincarboxylsyre, 1-cyclopropyl-7-[3-[(ethylamino)methyl]-1-pyrrolidinyl]-5 6,8-difluor-1,4-dihydro-4-oxo-3-quinolincarboxylsyre, 7-[3-amino-1-pyrrolidinyl]-1-cyclopropyl-6,8-difluor- 1,4-dihydro-4-oxo-3-quinolincarboxylsyre, 10 1-cyclopropyl-7-[3-[(methylamino)methyl]-1-pyrrolidinyl]- 6,8-difluor-1,4-dihydro-4-oxo-3-quinolincarboxylsyre, 1-cyclopropyl-7-[3-(ethylamino)-1-pyrrolidinyl]-6,8-di-fluor-1,4-dihydro-4-oxo-3-quinolincarboxylsyre, 15 1-cyclopropyl-6,8-difluor-1,4-dihydro-7-[3-[[(1-methyl-ethyl ) ami no ] methyl ] -1 -pyrrol idinyl ]-4-oxo-3-quinolin-carboxylsyre, og lavere alkylestre og farmaceutisk acceptable syread-20 ditions- eller basesalte deraf.
Forbindelser, der er beslægtede med forbindelserne ifølge opfindelsen kendes fra EP patentpublikation EP 49355A og EP 78362A.
I EP 49355A beskrives quinolincarboxylsyreforbin-25 delser, der er analoge til de foreliggende forbindelser, idet de dog er uden fluorsubstituent i 8-stillingen af quinolinringen og uden amino- eller aminomethylsubsti-tuent i 3-stillingen af 7-pyrrolidinylsubstituenten.
EP 78362A angår også quinolincarboxylsyreforbin-30 delser svarende til forbindelserne ifølge opfindelsen, idet de dog adskiller sig fra de foreliggende forbindelser ved at have en 7-piperazinylsubstituent i stedet for en 7-pyrrolidinylsubstituent.
Det haroverraskende vist sig, at forbindelserne 35 ifølge opfindelsen har væsentlig stærkere antibakteriel virkning end disse kendte forbindelser, især overfor gram positive bakterier.
Den følgende fremgangsmåde til fremstilling af de
DK 161889 B
3 ovennævnte forbindelser kan beskrives generelt som en fremgangsmåde fremstillende en forbindelse med formlen: 0 5 X JL J 21 (III)
A
hvor: er H eller (C^-C^)alkyl, 10 x er c-F, Z er en amingruppe, der er lig med 7-substituenten i ovennævnte forbindelser, hvilken fremgangsmåde indebærer, at en forbindelse med den almene formel:
15 O
t T i a (iv).
Å 20 hvor og X er som ovenfor defineret, og L er en elimi-nerbar gruppe, der fortrinsvis er fluor eller chor, omsættes med en til gruppen Z svarende amin.
Opfindelsen angår også en farmaceutisk komposi-25 tion, og den er ejendommelig ved, at den indeholder en antibakterielt effektiv mængde af ovennævnte forbindelser eller farmaceutisk acceptable salte deraf i kombination med en farmaceutisk acceptabel bærer.
De omhandlede forbindelser med formlen III kan let 30 fremstilles ved at behandle en tilsvarende forbindelse med formlen IV med den ønskede cycliske amin. Til denne omsætning kan alkylamin-substituenten, om ønsket, være beskyttet med en gruppe, der gør den i det væsentlige indifferent over for reaktionsbetingelserne. Der kan såle-35 des for eksempel anvendes følgende beskyttelsesgrupper:
Carboxyliske acylgrupper, såsom formyl, acetyl eller trifluoracetyl,
DK 161889 B
4 alkoxycarbonylgrupper, såsom ethoxycarbonyl, t-butoxycarbonyl, β,β,β-trichlorethoxycarbonyl eller β-iodethoxycarbonyl, aryloxycarbonylgrupper, såsom benzyloxycarbonyl, 5 p-methoxybenzyloxycarbonyl eller phenoxycarbonyl, silylgrupper, såsom trimethylsilyl, og sådanne grupper som trityl, tetrahydropyranyl, vinyl-oxycarbonyl, o-nitrophenylsulfenyl, diphenylphosphinyl, p-toluensulfonyl og benzyl kan også anvendes. Beskyttel-10 sesgruppen kan efter omsætningen mellem forbindelse IV og aminen, om ønsket, fjernes ved velkendte metoder. For eksempel kan ethoxycarbonylgruppen fjernes ved syre- eller basehydrolyse, og tritylgruppen kan fjernes ved hy-drogenolyse.
15 Omsætningen mellem forbindelsen med formlen IV
og en passende beskyttet amin kan gennemføres med eller uden opløsningsmiddel, fortrinsvis ved forhøjet temperatur over et til reaktionens fuldendelse tilstrækkeligt tidsrum. Reaktionen gennemføres fortrinsvis i nærværelse 20 af en syreacceptor, såsom et alkalimetal- eller jordal-kalimetalcarbonat eller -bicarbonat, eller en tertiær amin, såsom triethylamin, pyridin eller picolin. Alternativt kan der som syreacceptor anvendes et overskud af aminen.
25 Opløsningsmidler, der er egnede til denne reak tion, er ikke-reaktive opløsningsmidler, såsom acetoni-tril, tetrahydrofuran, ethanol, chloroform, dimethylsul-foxid, dimethylformamid, pyridin, picolin, vand og lignende. Opløsningsmiddelblandinger kan også anvendes.
30 Egnede reaktionstemperaturer ligger i området fra ca. 20 til ca. 150°C. Højere temperaturer kræver sædvanligvis kortere reaktionstider.
Fjernelsen af beskyttelsesgruppen kan foregå enten før eller efter isolering af produktet III. Alterna-35 tivt behøver beskyttelsesgruppen ikke fjernes.
Udgangsforbindelserne med formlen IV er enten kendte, eller de kan, hvis de er hidtil ukendte, fremstilles ud fra kendte udgangsmaterialer ved standardme-
DK 161889 B
5 toder eller variationer deraf. Således er for eksempel følgende forbindelse: 0
CO ,H
I ί 1 5 Cl^X^N/ L\ omtalt i europæisk patentansøgning 0078362.
l-Cyclopropyl-6,7,8-trifluor-1,4-dihydro-4-oxo-10 3-quinolincarboxylsyre kan fremstilles ved en række reaktioner startende fra 2,3,4,5-tetrafluorbenzoesyre. Natriumsaltet af 2,3,4,5-tetrafluorbenzoesyre omsættes med oxalylchlorid, og produktet kondenseres med diethylmalo-nat i nærværelse af magnesiumspåner, hvorved der efter 15 hydrolyse vindes 2,3,4,5-tetrafluorbenzoyleddikesyre- ethylester. Denne forbindelse behandles derefter med tri-ethylorthoformiat og eddikesyreanhydrid efterfulgt af cyclopropylamin, hvorved vindes 2-(2,3,4,5-tetrafluor-benzoyl)-2-cyclopropylaminoacrylsyre-ethylester, der der-20 efter ringlukkes og hydrolyseres med natriumhydrid til dannelse af det ønskede mellemprodukt.
Syntesen af det ovennævnte N-cyclopropyl-mellem-produkt er beskrevet i Præparationseksemplerne.
De anvendte aminer er enten kendte forbindelser, 25 eller de kan fremstilles ud fra kendte udgangsmaterialer ved standardmetoder eller variationer deraf. For eksempel kan 3-pyrrolidinmethanaminer med formlen D:
i-N-H
„ V
CH2NHR3
DK 161889 B
6 let fremstilles ud fra det kendte udgangsmateriale me-thyl-5-oxo-l-(phenylmethyl)-3-pyrrolidincarboxylat, A, [J. Org. Chem., 2^5, 1519 (1961)] ved nedenstående reaktionsfølge: 5 I-r"C02CH3 nh2r3 -|^conhr3 i i GH-C-EL CH0C,Hc λ o 5 2 6 5
10 A B
i -_χΌΗ-ΝΗΗ- 15 I J -<- H 1 CH0C^H„
2 o D
D C
20 Den forbindelse, hvor er hydrogen, nemlig 3- pyrrolidinmethanamin, er omtalt i J. Org. Chem., 26, 4955 (1961).
Forbindelsen A kan således omdannes til det tilsvarende amid B ved behandling med R^NI^, idet der for 25 eksempel kan anvendes en mættet opløsning af ethylamin i en alkanol, såsom methanol. Diamidet B kan derefter reduceret til dannelse af den tilsvarende diamin C. Denne reduktion kan gennemføres med for eksempel lithiumalu-miniumhydrid i et egnet opløsningsmiddel, såsom tetrahy-30 drofuran. Forbindelse C kan derefter debenzyleres, for eksempel ved anvendelse af hydrogen og 20% palladium-på-kul-katalysator, til dannelse af diaminen D. Alternativt kan den primære aminfunktion, nårR3=H i C, beskyttes med en gruppe R^, som ovenfor defineret. For eksem-35 pel kan den primære^minfunktion acyleres med et acylha-logenid, såsom acetylchlorid, ved velkendte metoder. Den
DK 161889 B
7 primære aminfunktion i C kan også omdannes til en carba-matester, såsom ethylesteren, ved behandling med ethyl-chlorformiat i nærværelse af en stærk base, såsom 1,8-di-azabicyclo[5.4.0]undec-7-en i et egnet opløsningsmiddel, 5 såsom methylenchlorid. Benzylgruppen kan derefter fjernes, for eksempel som beskrevet ovenfor for forbindelse C, hvorved dannes forbindelse D, hvor er -CC^Et, der efter omdannelse til en passende amin kan omsættes med en forbindelse med formlen IV til dannelse af en tilsva-10 rende forbindelse blandt de omhandlede. Gruppen -CC^Et kan fjernes ved standardmetoder.
De omhandlede forbindelser udviser antibakteriel aktivitet ved testning ved mikrotitrerings-fortyndings-metoden beskrevet af Heifetz, et al., Antimicr. Agents 15 & Chemoth., 6^, 124 (1974).
Ved anvendelse af ovennævnte metode fandtes følgende værdier for minimal inhibitorisk koncentration (MIC-værdier i ]jg/ml) for repræsentative forbindelser ifølge opfindelsen og den kendte forbindelse 7-(3-amino-20 1-pyrrolidinyl)-l-ethyl-6-fluor-l,4-dihydro-4-oxo-l,8-naphthyridin-3-carboxylsyre betegnet ved ** i tabel 1.
I Tabel I er de fem sidste af de anførte organismer gram positive, og det fremgår, at den antibakterielle virkning af forbindelserne ifølge opfindelsen er større 25 for fire af organismerne set i forhold til virkningen af den anførte kendte forbindelse.
I tabel 2 ses en sammenligning mellem MIC-værdier for forbindelsen 7-(1-pyrrolidinyl)-1-cyclopropyl-6-fluor-1,4-dihydro-30 4-oxo-3-quinolincarboxylsyre (forb. 1), der er kendt fra EP 49355A, 7-(1-pyrrolidinyl)-1-cyclopropyl-6,8-difluor-1,4-dihydro- 4-oxo-3-quinolincarbosylsyre (forbindelse 2, forbindelse beskrevet i EP 126 355 A i eksempel 11), 35 forbindelsen ifølge nærværende eksempel 1 (forb. 3) og ifølge nærværende eksempel 2 (forb. 4).
I Tabel 3 ses en sammenligning in vivo-antibakteriel virkning for forbindelserne 2, 3 og 4.
DK 161889 B
8 I Tabel 4 ses en sammenligning af forbindelse 4 (ifølge opfindelsen) med forbindelsen 7-(1-piperazinyl)-1-cyclopropyl-6,8-difluor-4-oxo-3-qui-nolincarboxylsyre (forb. 5) og for 7-(1-piperazinyl)-5 1-cyclopropyl— 6 —fluor-4-oxo-3-quinolincarboxylsyre (forb. 6), der er kendt fra EP 78368A.
DK 161889 B
9
0 I
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ri : oocjooooooo 'Z v V v \p V v v v K ! 2 !
>*a I
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00 J-ι tø V v V V V V V V V
S-l -Η O Λ
4J -P &-I W
-Η Γ3 > o 0
4J ’Ji CM
Z C T-4 •HD ø r—1 2 3 0 Ό 0 jjg Z Z LA ιΛ \0 1Λ ιΛ ΙΛ
m n -rri= ιΛ N CMOCMCMtN
4->4<^ X50 OOr-CMO-OOOOO
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u z. 0 rH d o CÆ i—i
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m 0 a Η Ό 0 r9 -H -H S C Z ^ ^ λ ιΛ ΓΛ . — r—r— CvJCMiAi/Nr— lAlAlT\ S 73 n s oooooooooo g “ οοαοαοαοσο Π H U-ι U4 -3 d Ή ~
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q q m (H m lo lo cn < h * ooooocooo·^·^ 2 SSSVV'klk'kK'k
* OOOOOOOf-iOO
i—( o so in I ro
HJ· rj I—i S3 Ό I > O
o i i in r-~ r: m cn
Al S M Al I O I
'X a u 3 0 cj < 3 —* a d o
• ΊΖ —1 r^- 0 Si *rri CO
i 0 5- 0 -< C 5 3 ^ o s 2 i -30— nøøosø 0 o > = S « u o 3 er- 0 o c :n 3 3 0 o c sO-'S-'OOOOCSh v. i—i -η 3 u s-ι ή di Di •h 00000 w w = 0 = ;3d33;/:Wt/> d M O,-1 0 0330 01 Od 4J K o o o o o
U JJ-HOOdCOOOO
o o -d rH 0 = o o o o o d O -h O C O o o o
-0 -r- 0 O, = -H -ri O G O
0 — —1 3 0 ør ør ri-* a a rij 0 " ø "0 _= _3 CØ Qj CL,
oaxaDOiOiGOO —ri OOOOddrrirl-H
3 Μ -η o uiaarijjjjj aaacuCriLoacoaso
DK 161889 B
10
Tabel 2
Minimal hæmningskoncentration (yg/ml) _Forbindelse_
Organisme 1 234 5 Gram negative
Enterobacter cloacae M 2646 0,2 0,1 0,013 0,1
Escherichia coli H 560 0,1 0,4 0,013 0,013 E. coli Vogel 0,2 0,1 0,013 0,1
Klebsiella pneumoniae MSH-2 0,2 0,2 0,025 0,1 10 Providencia rettgeri M 1771 0,8 0,2 0,025 0,2
Pseudomonas aeruginosa UI-18 0,4 1 ,6 0,05 0,4
Gram positive
Staphylococcus aureus H-228 0,05 0,006 0,05 0,025 15 S. aureus UC-7F 0,05 0,00^6 0,013 0,006
Streptococcus faecalis MSH-2 0,1 0,05 0,05 0,025 S. pneumoniae SV-1 0,2 0,2 0,05 0,025 S-pyogenes C-203 0,8 0,4 0,05 0,025 20
Tabel 3
Sammenligning af antibakteriel aktivitet in vivo
Esch. Strep. Staph.
25 coli vogel pyogenes C-203 aureus U-76 EDj-Q-mg/kg ED5Q-mg/kg ED5Q-mg/kg
Forb. PO_SC__PO_SC__PO_SC
2 >50 25 >100 >100 11 4 30 3 0,9 0,2 8 2 1 0,3 _4_4_1_2_0J3_0,6 0,1
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Tabel 4
Minimal hæmningskoncentration (MIC) - yg/ml
Organisme_Forb. 4 Forb. 5 Forb.6 ^ Enterobacter cloacae HA2646 0f05 0,025
Escherichia coli Vogel 0,025 0,025 °τ°5
Klebsiella pneumoniae MGB-2 0,1 0,05 ®>05
Providencia rettgeri M1771 0,2 0,1 ^,1
Pseudomonas aeruginosa V1-18 0,4 0,2 °r2 10 Staphylococcus aureus H228 0,025 0,4 If6
Staphylococcus aureus VC76 0,006 0,1
Streptococcus faecalis MGH-2 0,025 0,4
Streptococcus pneumoniae SV-1 0,025 0,8
Streptococcus pyogenes C-203 0,025 0,8 15
Det ses af tabellerne 1-4, at forbindelserne ifølge opfindelsen har stærkere antibakteriel virkning end sammenligningsforbindelserne, især overfor gram positive bakterier.
20 Det fremgår også, at amino- eller aminomethyl- substituenten på pyrrolidinylsubstituenten er nødvendig til opnåelse af den stærke antibakterielle virkning af forbindelserne ifølge opfindelsen.
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Forbindelserne ifølge opfindelsen kan danne både farmaceutisk acceptable syreadditionssalte og/eller basesalte. Basesalte dannes med metaller eller aminer, såsom alkali- eller jordalkalimetaller eller organiske ami-5 ner. Eksempler på metaller anvendt som kationer er natrium, kalium, magnesium, calcium og lignende. Ligeledes omfattet er tunge metalsalte, såsom sølv, zink, cobalt og cerium. Sådanne tunge metalsalte er effektive ved behandling af forbrændinger, navnlig ved påføring på den angreb-10 ne overflade hos et forbrændingsoffer enten direkte eller i kombination med en fysiologisk acceptabel bærer, såsom en vanddispergerbar, hydrofil bærer. Eksempler på egnede aminer er Ν,Ν'-dibenzylethylendiamin, chlorprocain, cho-lin, diethanolamin, ethylendiamin, N-methylglucamin og 15 procain.
Farmaceutisk acceptable syreadditionssalte dannes med organiske og uorganiske syrer.
Eksempler på egnede syrer til saltdannelse er salt-, svovl-, phosphor-, eddike-, citron-, oxal-, ma-20 Ion-, salicyl-, æble-, glucon-, fumar-, rav-, ascorbin-, malein-, methansulfonsyre og lignende. Saltene dannes ved at bringe den frie baseform i kontakt med en tilstrækkelig mængde af den ønskede syre til dannelse af et mono-, di-, osv. salt på konventionel måde. De frie 25 baseformer kan regenereres ved behandling af saltformen med en base. For eksempel kan der anvendes fortyndede opløsninger af vandig base. Fortyndede vandige natriumhydroxid-, kaliumcarbonat-, ammoniak- og natriumbicarbo-natopløsninger er egnede til dette formål. De frie base-30 former afviger noget fra deres respektive saltformer med hensyn til visse fysiske egenskaber, såsom opløselighed i polære opløsningsmidler, men saltene er iøvrigt ækvivalente med deres respektive frie baseformer, hvad angår formål i forbindelse med den foreliggende opfindel-35 se. Anvendelse af overskud af base, hvor R' er hydrogen, giver det tilsvarende basiske salt.
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Forbindelserne ifølge opfindelsen kan foreligge i ikke-solvatiserede såvel som solvatiserede former, omfattende hydratiserede former. I almindelighed er de solvatiserede former, inklusive hydratiserede former og lig-5 nende, ækvivalente med de ikke-solvatiserede former, hvad angår formålene i forbindelse med den foreliggende opfindelse.
Alkylgrupperne i forbindelse med den foreliggende opfindelse omfatter både lige og forgrenede carbonkæder 10 med fra ét til ca. tre carbonatomer, undtagen hvor der specielt er anført mere end tre carbonatomer. Repræsentative for sådanne grupper er methyl, ethyl, propyl, isopropyl og lignende.
Angivelsen halogen skal omfatte fluor, chlor, 15 brom og iod, med mindre andet er angivet.
Visse forbindelser ifølge opfindelsen kan foreligge i optisk aktive former. Den rene D-isomer, den rene L-isomer samt blandinger deraf, inklusive de racemi-ske blandinger, er omfattet af opfindelsen. Yderligere 20 asymmetriske carbonatomer kan foreligge i en substituent, såsom en alkylgruppe. Alle sådanne isomere samt blandinger deraf er omfattet af opfindelsen.
Forbindelserne ifølge opfindelsen kan fremstilles og anvendes i mange forskellige orale, parenterale og to-25 piske dosisformer. Det vil være klart for fagmanden, at de følgende dosisformer som aktiv komponent kan indeholde enten en forbindelse ifølge opfindelsen eller et tilsvarende farmaceutisk acceptabelt salt.
Til fremstilling af farmaceutiske kompositioner 30 ud fra forbindelserne ifølge opfindelsen kan indifferente, farmaceutisk acceptable bærere være enten faste eller flydende. Præparater i fast form omfatter pulvere, tabletter, dispergerbare granuler, kapsler, oblatkapsler, suppositorier og salver. En fast bærer kan udgøres af ét 35 eller flere stoffer, der også kan fungere som fortyndingsmidler, smagsstoffer, opløselighedsfremmende midler,
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14 smøremidler, suspenderingsmidler, bindemidler eller tabletdisintegrationsmidler, og der kan også være tale om et indkapslende materiale. I pulvere er bæreren et findelt fast stof, der foreligger i blanding med den findel-5 te aktive forbindelse. I en tablet er den aktive forbindelse blandet med bærer med de nødvendige bindende egenskaber i passende forhold og komprimeret i ønsket form og størrelse. Pulvere og tabletter indeholder fortrinsvis fra 5 eller 10 til ca. 70% af den aktive bestanddel.
10 Egnede faste bærere er magnesiumcarbonat, magnesiumstea-rat, talkum, sukker, lactose, pectin, dextrin, stivelse, gelatine, tragacanth, methylcellulose, natriumcarboxyme-thylcellulose, en lavtsmeltende voksart, kakaosmør og lignende. Angivelsen "præparat" skal omfatte en komposi-15 tion af den aktive forbindelse med indkapslende materiale som bærer under tilvejebringelse af en kapsel, hvori den aktive komponent (med eller uden andre bærere) er omgivet af bærer, der på denne måde foreligger i kombination med den aktive forbindelse. Tilsvarende er oblat-20 kapsler omfattet. Tabletter, pulvere, oblatkapsler og kapsler kan anvendes som faste dosisformer egnede til oral indgift.
Flydende præparatformer omfatter opløsninger, suspensioner og emulsioner. Som eksempel kan nævnes vand-25 eller vand/propylenglycol-opløsninger til parenteral injektion. Sådanne opløsninger fremstilles således, at de er acceptable for biologiske systemer (isotonicitet, pH, osv.). Flydende præparater kan også foreligge som vandig polyethylenglycolopløsning. Vandige opløsninger egnede 30 til oral anvendelse kan fremstilles ved at opløse den aktive komponent i vand og tilsætte egnede farvningsmidler, smagsstoffer, stabiliseringsmidler og fortykningsmidler, som ønsket. Vandige suspensioner egnet til oral anvendelse kan fremstilles ved at dispergere den findelte aktive 35 komponent i vand med viskost materiale, dvs. naturlige eller syntetiske gummiarter, harpikser, methylcellulose,
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15 natriumcarboxymethylcellulose og andre velkendte suspenderingsmidler .
Salvepræparater indeholder tunge metalsalte af forbindelserne ifølge opfindelsen sammen med en fysiolo-5 gisk acceptabel bærer. Bæreren er passende en konventionel vand-dispergerbar hydrofil eller olie-i-vand-bærer, navnlig en konventionel halvblød eller creme-lignende vand-dispergerbar eller vandopløselig, olie-i-vand-emul-sion, der kan påføres på en angrebet brandsårsoverflade 10 eller inficeret overflade med et minimum af gene. Egnede kompositioner kan fremstilles ved blot at inkorporere eller homogent blande findelte forbindelser med den hydrofile bærer eller base eller salve.
Det farmaceutiske præparat foreligger fortrins-15 vis i enhedsdosisform. I en sådan form er præparatet opdelt i enhedsdoser indeholdende passende mængder af den aktive komponent. Enhedsdosisformen kan være et emballeret præparat, hvor emballagen indeholder separate præparatmængder, f.eks. emballerede tabletter, kapsler, pul-20 vere i medicinflasker eller ampuller og salver i tuber eller krukker. Enhedsdosisformen kan også være en kapsel, oblatkapsel, tablet, gel eller creme i sig selv, eller den kan være et passende antal af enhver af disse emballerede former.
25 Mængden af aktiv forbindelse i en præparat-enheds dosis kan varieres eller indstilles fra 1 mg til 100 mg alt efter den særlige anvendelse og styrken af den aktive bestanddel.
Ved terapeutisk anvendelse som midler til behand-30 ling af bakterieinfektioner bliver de forbindelser, der anvendes til den omhandlede farmaceutiske fremgangsmåde, anvendt i en indledende dosis på fra ca. 3 mg til ca. 40 mg pr. kg dagligt. Et dagligt dosisområde på fra ca. 6 mg til ca. 14 mg pr. kg foretrækkes. Doserne kan imidler-35 tid varieres alt efter patientens krav, alvoren af den tilstand, der behandles, og den anvendte forbindelse.
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Fastlæggelse af den rette dosis i en bestemt situation ligger inden for fagmandens kunnen. I almindelighed indledes behandling med mindre doser, der er mindre end den optimale dosis af forbindelsen. Derefter hæves dosen med 5 små stigninger, indtil den optimale effekt under de foreliggende betingelser er nået. Det kan være hensigtsmæssigt at opdele den totale daglige dosis og indgive den i portioner i dagens løb.
Opfindelsen beskrives nærmere gennem følgende 10 eksempler:
Eksempel 1 7-[3-(Aminomethyl)-1-pyrrolidinyl]-l-cyclopropyl-6,8-15 difluor-1,4-dihydro-4-oxo-3-quinolincarboxylsyre
En blanding af 1,00 g (3,53 mmol) 1-cyclopropyl- 6.7.8- trifluor-1,4-dihydro-4-oxo-3-quinolincarboxylsyre, 10 ml acetonitril, 0,54 g (3,5 mmol) l,8-diazobicyclo[5.
4.0] undec-7-en og 0,37 g (3,7 mmol) 3-pyrrolidinmethan-20 amin blev tilbagesvalet 1 time og derefter omrørt ved stuetemperatur natten over. Reaktionsblandingen blev derefter filtreret, og bundfaldet blev vasket med ethyl-ether, indtil det var tørt, hvorved vandtes 1,21 g (94,5%) af titelforbindelsen, smp. 232-235°C.
25
Eksempel 2 l-Cyclopropyl-7-[3-[(ethylamino)methyl]-1-pyrrolidinyl]-30 6,8-difluor-1,4-dihydro-4-oxo-3-quinolincarboxylsyre
En blanding af 1,00 g (3,53 mmol) 1-cyclopropyl- 6.7.8- trifluor-1,4-dihydro-4-oxo-3-quinolincarboxylsyre, 10 ml acetonitril, 0,54 g (3,5 mmol) 1,8-diazobicyclo[5.
4.0] undec-7-en og 0,48 g (3,7 mmol) N-ethyl-3-pyrrolidin-. 35 methanamin blev tilbagesvalet én time og derefter omrørt ved stuetemperatur natten over. Reaktionsblandingen blev
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17 derefter filtreret, og bundfaldet blev vasket med ethyl-ether indtil tørhed, hvorved vandtes 1,22 g (88,4%) af titelforbindelsen, smp. 256-258°C.
5
Eksempel 3 7-[3-Amino-l-pyrrolidinyl]-l-cyclopropyl-6,8-difluor- 1.4- dihydro-4-oxo-3-quinolincarboxylsyre 10 7-[3-t-Butoxycarbonylamino-l-pyrrolidinyl]-l-cyclopropyl-6 ,8-difluor-1,4-dihydro-4-oxo-3-quinolincarb-oxylsyre
En suspension af 49,5 g (0,175 mol) 1-cyclopropyl- 1.4- dihydro-4-oxo-6,7,8-trifluorquinolin-3-carboxylsyre, 15 37,3 g (0,2 mol) 1,1-dimethylethyl-(3-pyrrolidinyl)carb- amat og 40,4 g (0,4 mol) triethylamin i 1,5 liter aceto-nitril blev tilbagesvalet i tre timer. Bundfaldet blev frafiltreret, vasket med acetonitril og derefter ethyl-ether og tørret i vakuum, hvorved vandtes 75,0 g af ti-20 telforbindelsen, smp. 239-240°C.
7-[3-Amino-l-pyrrolidinyl]-l-cyclopropyl-6,8-difluor- 1.4- dihydro-4-oxo-3-quinolincarboxylsyre
En opløsning af 1,4 g (3,1 mmol) 7-[3-t-butoxy-carbonylamino-l-pyrrolidinyl]-l-cyclopropyl-6,8-difluor-25 1,4-dihydro-4-oxo-3-quinolincarboxylsyre i 25 ml triflu-oreddikesyre blev omrørt ved stuetemperatur indtil endt luftartudvikling. Opløsningsmidlet blev fjernet i vakuum, og inddampningsresten blev opløst i IN natriumhydroxid. Opløsningen blev fortyndet til 100 ml med vand og syrnet 30 til pH 5,5 med 6N saltsyre. Bundfaldet blev frafiltreret og vasket med vand, ethanol og ethylether. Resten blev tørret i vakuum, hvorved vandtes 1,05 g (97%) af titelforbindelsen, smp. 290-292°C.
7-[3-Amino-l-pyrrolidinyl3-l-cyclopropyl-6,8-difluor-35 1,4-dihydro-4-oxo-3-quinolincarboxylsyre-hydrochlorid
En suspension af 72,4 g (0,16 mol) 7-[3-t-butoxy- t 18
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carbonylamino-l-pyrrolidinyl]-l-cyclopropyl-6,8-difluor- l,4-dihydro-4-oxo-3-quinolincarboxylsyre, 375 ml 6M saltsyre og 750 ml iseddikesyre blev opvarmet ved 60°C i fire timer, og den resulterende opløsning blev omrørt ved 5 stuetemperatur i 18 timer. Reaktionsblandingen blev med henblik på klaring filtreret gennem en fiberglaspude, og filtratet blev inddampet i vakuum. Inddampningsresten blev tritureret med 600 ml ethanol:ether (1:1), det faste stof blev frafiltreret og vasket med ethanol: ether 10 (1:1) og ether og tørret i vakuum, hvorved vandtes 63,8 g (98%) af titelforbindelsen, smp. 313-315°C.
Eksempel 4 15 l-Cyclopropyl-7-[3-[(methylamino)methyl3-1-pyrrolidi-nyl]-6,8-difluor-1,4-dihydro-4-oxo-3-quinolincarboxylsyre Til 0,80 g (2,8 mmol) l-cyclopropyl-6,7,8-triflu-or-1,4-dihydro-4-oxo-3-quinolincarboxylsyre i 10 ml ace-20 tonitril og 0,43 g (2,8 mmol) 1,8-diazobicyclo[5»4.0]un-dec-7-en blev der sat 0,35 g (3,1 mmol) N-methyl-3-pyr-rolidinmethanamin. Blandingen blev tilbagesvalet i én time og omrørt natten over. De faste stoffer blev frafiltreret og vasket med acetonitril:ether (1:6), hvorved 25 vandtes 0,81 g af titelforbindelsen, smp. 265-267°C.
Eksempel 5 30 l-Cyclopropyl-7-[3-(ethylamino)-1-pyrrolidinyl]-6,8-difluor-1,4-dihydro-4-oxo-3-quinolincarboxylsyre
Til 0,80 g (2,8 mmol) l-cyclopropyl-6,7,8-trifluor-1, 4-dihydro-4-oxo-3-quinolincarboxylsyre i 10 ml acetonitril og 0,43 g (2,8 mmol) 1,8-diazobicyclo[5.4 5.0]un-35 dec-7-en blev der sat 0,35 g (3,1 mmol) N-ethyl-3-amino-pyrrolidin. Blandingen blev tilbagesvalet i én time og
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19 omrørt natten over. De faste stoffer blev frafiltreret og vasket med ether:acetonitril (6:1), hvorved vandtes 0,81 g af titelforbindelsen, smp. 236-238°C.
5
Eksempel 6 l-Cyclopropyl-6,8-difluor-l,4-dihydro-7-[3-[[(1-methyl-ethyl)amino]methyl]-1-pyrrolidinyl]-4-oxo-3-quinolin-10 carboxylsyre
En suspension af 1,1 g (3,9 mmol) l-cyclopropyl- 6,7,8-trifluor-1,4-dihydro-4-oxo-3-quinolincarboxylsyre, 1,4 g (10 mmol) N-(2-propyl)-3-pyrrolidinmethanamin og 50 ml acetonitril blev tilbagesvalet i 2 timer. Bund-15 faldet blev frafiltreret, vasket med acetonitril og derefter ether og tørret i vakuum, hvorved vandtes 1,4 g af titelforbindelsen, smp. 218-221°C.
20 Fremstilling af udgangsmaterialer
Eksempel A
N-Methyl-3-pyrrolidinmethanamin 25 N-Methyl-5-oxo-l-(phenylmethyl)-3-pyrrolidincarboxamid En blanding af 100 g (0,43 mol) methyl-5-oxo-l-(phenylmethyl)-pyrrolidincarboxylat [J. Org. Chem., 26, 1519 (1961)], 500 ml methanol og 100 g (3,2 mol) methyl-amin blev opvarmet ved 100°C i en trykreaktor i 16 ti-30 mer. Reaktionsblandingen blev afkølet, og ammoniak og methanol blev fjernet ved reduceret tryk. Inddampningsre-sten blev optaget i dichlormethan og vasket med 3 x 100 ml IN natriumhydroxid. Det organiske lag blev tørret over magnesiumsulfat, og opløsningsmidlet blev fjernet 35 ved reduceret tryk, hvorved vandtes 88,3 g N-methyl-5-oxo-1-(phenylmethyl)-3-pyrrolidincarboxamid som et hvidt fast stof, smp. 82,5-83,0°C.
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Analyse:
Beregnet: C: 67,22 H: 6,94 N: 12,06
Fundet: 66,98 6,69 12,02
Dette materiale anvendtes i det næste trin.
5 N-Methyl-1-(phenylmethyl)-3-pyrrolidinmethanamin
Til en suspension af 37,40 g (1,00 mol) lithium-aluminiumhydrid i 1000 ml tetrahydrofuran blev der dråbe-vis under nitrogen sat en opløsning af 88,3 g (0,380 mol) 10 N-methyl-5-oxo-l-(phenylmethyl)-3-pyrrolidincarboxamid i tetrahydrofuran. Reaktionsblandingen blev derefter til-bagesvalet natten over. Reaktionsbeholderen blev afkølet i et isbad, og der blev tilsat 37,4 ml vand, 37,4 ml 15% natriumhydroxid og 112,2 ml vand. De udfældede faste 15 stoffer blev frafiltreret og vasket med varm ethanol. De samlede filtrater blev koncentreret, derefter opløst i dichlormethan, filtreret og tørret over magnesiumsulfat, og opløsningsmidlet blev fordampet ved reduceret tryk, hvorved vandtes 68,68 g N-methyl-1-(phenylmethyl)-3-pyr-20 rolidinmethanamin som en olie. Dette materiale anvendtes uden yderligere rensning i næste trin.
N-Methy1-3-pyrrolidinmethanamin
En blanding af 67,28 g (0,32 mol) N-methyl-1-(phe-25 nylmethyl)-3-pyrrolidinmethanamin, 3 g 20% palladium-på-kul og 600 ml methanol blev rystet i en hydrogenatmosfæ-re i ved ca. 4,5 x 10 Pa og ved stuetemperatur i 18 timer. Yderligere 3 g 20% palladium-på-kul blev tilsat, og hydrogeneringen blev fortsat i 6,5 timer. Yderligere 3,0 30 g 20% palladium-på-kul blev tilsat, og hydrogeneringen blev fortsat i yderligere 4,5 timer. Katalysatoren blev frafiltreret, og filtratet blev inddampet ved reduceret tryk. Inddampningsresten blev destilleret i vakuum (72-76°C, 10,5 mm Hg), hvorved vandtes 8,32 g N-methyl-3-35 pyrrolidinmethanamin.
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Eksempel B
N-Ethy1-3-pyrrolidinmethanamin N-Ethyl-5-oxo-l-(phenylmethyl)-3-pyrrolidincarboxamld 5 En blanding af 200 g (0,86 mol) methyl-5-oxo-l- (phenylmethyl)-pyrrolidincarboxylat [J. Org. Chem., 26, 1519 (1961)], 1000 ml methanol og 200 g (4,4 mol) ethyl-amin blev opvarmet ved 100°C i en trykreaktor i 17,2 timer. Reaktionsblandingen blev afkølet, og overskud af 10 ethylamin og methanol blev fjernet ved reduceret tryk. Inddampningsresten blev optaget i dichlormethan og vasket med 3 x 150 ml IN natriumhydroxid. Det organiske lag blev tørret over magnesiumsulfat, og opløsningsmidlet blev fjernet ved reduceret tryk, hvorved vandtes 15 104,6 g N-ethyl-5-oxo-l-(phenylmethyl)-3-pyrrolidincarb-oxamid som et hvidt fast stof, smp. 97-99°C.
Dette materiale anvendtes i det næste trin.
N-Ethyl-1-(phenylmethyl)-3-pyrrolidinmethanamin 20 Til en suspension af 108,68 g (2,860 mol) lithium- aluminiumhydrid i 800 ml tetrahydrofuran blev der dråbevis under nitrogen sat en opløsning af 194,5 g (0,790 mol) N-ethyl-5-oxo-l-(phenylmethyl)-3-pyrrolidincarbox-amid i 600 ml tetrahydrofuran. Reaktionsblandingen blev 25 derefter tilbagesvalet i 4 timer. Reaktionsbeholderen blev afkølet i et isbad, og der blev tilsat 108 ml vand, 108 ml 15% natriumhydroxid og 324 ml vand. De udfældede faste stoffer blev frafiltreret og vasket med varm ethanol. De samlede filtrater blev koncentreret, derefter 30 opløst i dichlormethan, filtreret og tørret over magnesiumsulfat, og opløsningsmidlet blev fordampet ved reduceret tryk, hvorved vandtes 151,9 g N-ethyl-1-(phenylmethyl) -3-pyrrolidinmethanamin som en olie.
Dette materiale anvendtes uden yderligere rens-35 ning i det næste trin.
f 22
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N-Ethyl-3-pyrrolidinmethanamin
En blanding af 151,65 g (0,695 mol) N-ethyl-1-(phenylmethyl)-3-pyrrolidinmethanamin, 5 g 20% palladium-på-kul og 1100 ml ethanol blev rystet i en hydrogenatmos- 5 5 fære ved ca. 4,5 x 10 Pa og ved stuetemperatur i 21,6 timer. Yderligere 5 g 20% palladium-på-kul blev tilsat, og hydrogeneringen blev fortsat i 24 timer. Katalysatoren blev frafiltreret, og filtratet blev inddampet ved reduceret tryk. Inddampningsresten blev destilleret i va-10 kuum (88-91°C , 11,5 mm Hg), hvorved vandtes 66,0 g N-ethy1-3-pyrrolidinmethanamin.
Eksempel C 15 N-(2-Propyl)-3-pyrrolidinmethanamin 5-Oxo-l-(phenylmethyl)-N-(2-propyl)-3-pyrrolidin- carboxamid
Til en opløsning af 16,4 g (75,0 mmol) 5-oxo-l-20 (phenylmethyl)-3-pyrrolidincarboxylsyre i 150 ml acetoni-tril blev der sat 13,8 g (85,0 mmol) 1,1'-carbonyldiimi-dazol. Reaktionsblandingen blev opvarmet til 60°C i én time, afkølet til stuetemperatur og behandlet med 5,0 g (85 mmol) isopropylamin. Reaktionsblandingen blev omrørt 25 ved stuetemperatur i 18 timer, opløsningsmidlet blev fjernet i vakuum, og inddampningsresten blev fordelt mellem chloroform og vand. Det organiske lag blev vasket med vand og IN saltsyre, tørret over magnesiumsulfat og inddampet i vakuum, hvorved vandtes 18,6 g 5-oxo-l-(phenyl-30 methyl)-N-(2-propyl)-3-pyrrolidincarboxamid, smp. 122-124°C.
1-(Phenylmethyl)-N-(2-propyl)-3-pyrrolidinmethanamin
Til en suspension af 8,2 g (0,2 mol) lithiumalumi-35 niumhydrid i 150 ml tør tetrahydrofuran blev der portionsvis sat 18,3 g (70,0 mmol) fast 5-oxo-l-(phenylmethyl)-N -(2-propyl)-3-pyrrolidincarboxamid. Efter endt tilsætning blev reaktionsblandingen omrørt ved stuetemperatur i 18
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23 timer og derefter tilbagesvalet i to timer. Efter afkøling til stuetemperatur blev blandingen behandlet dråbevis successivt med 8 ml vand, 8 ml 15% vandigt natriumhydroxid og 24 ml vand, idet den sidste tilsætning blev ti-5 treret for at frembringe et granulært bundfald. Det faste stof blev frafiltreret og vasket med tetrahydrofuran, og filtratet blev inddampet i vakuum, hvorved vandtes 15,6 g 1-(phenylmethyl)-N-(2-propyl)-3-pyrrolidinmethan-amin som en tung sirup.
10 Dette materiale anvendtes uden yderligere rens ning i det næste trin.
N-(2-Propyl)-3-pyrrolldinmethanamln
En blanding af 13,4 g (58,0 mmol) 1-phenylmethyl-15 N-(2-propyl)-3-pyrrolidinmethanamin, 1,0 g 20% palladium-på-kul og 130 ml methanol blev rystet i en hydrogenatmos- 5 fære ved ca. 4,5 x 10 Pa og stuetemperatur i 24 timer. Katalysatoren blev frafiltreret gennem Celite, og filtratet blev koncentreret og destilleret i vakuum, hvorved 20 vandtes 6,3 g N-(2-propyl)-3-pyrrolidinmethanamin, smp. 58-60°C/3,5 mm.
Eksempel D 25 l-Cyclopropyl-6,7,8-trifluor-1,4-dihydro-4-oxo-3-quino-lincarboxylsyre 2.3.4.5- Tetrafluor-ft-oxo-benzenpropionsyre-ethylester Til 30,0 g (155 mmol) 2,3,4,5-tetrafluorbenzoe- 30 syre i 75 ml dichlormethan blev der sat 14,8 ml (1,1 ækvivalenter) oxalylchlorid. Blandingen blev derefter behandlet med tre dråber tørt Ν,Ν-dimethylformamid, og den kraftigt reagerende reaktionsblanding blev omrørt natten over. Blandingen blev derefter koncentreret til en olie, 35 optaget i toluen og igen koncentreret, hvorved vandtes 2.3.4.5- tetrafluorbenzoylchlorid, der anvendtes i det næste trin.
I <
DK 161889B
24 «
Til 40,92 g (310 mmol) malonsyre-halvethylester i 700 ml tør tetrahydrofuran ved -35°C blev der sat en strøm af n-butyllithium, indtil der var leveret ét ækvivalent. Blandingen holdtes ved fra -15 til -30°C under 5 tilsætningen og blev derefter opvarmet til -5°C og behandlet med 10 mg bipyridyl. Resten af n-butyllithium blev tilsat ved denne temperatur, indtil indikatoren blev lyserød. Der blev tilsat ialt 282 ml 2,2N n-butyllithium. Blandingen blev derefter igen afkølet til -78°C, og der 10 blev tilsat en opløsning af 2,3,4,5-tetrafluorbenzoyl-chlorid i 100 ml tør tetrahydrofuran, idet temperaturen holdtes konstant. Reaktionsblandingen blev omrørt i 45 minutter efter syrechloridtilsætningen. Den blev opvarmet til -35°C og hældt i 155 ml 2N saltsyre. Til denne 15 blanding blev der sat én liter vand og 1,5 liter dichlor-methan. Den vandige fase blev fraskilt og ekstraheret med yderligere 1,5 liter dichlormethan. De samlede organiske faser blev vasket med natriumbicarbonat og derefter IN saltsyre. Dichlormethanen blev tørret (magnesi-20 umsulfat) og koncentreret til et fast stof, der blev tri-tureret med kold pentan, hvorved vandtes 37,8 g 2,3,4,5-tetrafluor-ft-oxo-benzenpropionsyre-ethylester, smp. 63-65°C.
25 l-Cyclopropyl-6,7,8-trifluor-1,4-dihydro-4-oxo- 3-quinolincarboxylsyre
Til 17,6 g (66,6 mmol) 2,3,4,5-tetrafluor-3-oxo-benzenpropionsyre blev der sat 14,6 g ('vi l,5 ækvivalenter) triethylorthoformiat og 16,19 g (2,38 ækvivalenter) 30 eddikesyreanhydrid. Blandingen blev tilbagesvalet i to timer ved 120°C og blev derefter afkølet til 80°C og koncentreret i vakuum. Blandingen blev fortyndet med t-bu-tanol, afkølet til 10°C, og der blev tilsat 3,8 g (1,05 ækvivalenter) cyclopropylamin i 120 ml t-butanol. Blan-35 dingen blev omrørt ved 20°C i 30 minutter og derefter opvarmet til 50°C natten over. Ved denne temperatur blev der tilsat 7,5 g kalium-t-butoxid i 50 ml t-butanol, og blandingen blev omrørt i fire timer. Den blev filtreret,
DK 161889 B
25 og de faste stoffer blev opløst i 250 ml varm eddikesyre, og der blev portionsvis i løbet af fire timer ved 100°C tilsat 200 ml 3N saltsyre. Blandingen blev afkølet, og de faste stoffer blev indsamlet, hvorved vandtes 15,44 g 5 (82%) l-cyclopropyl-6,7,8-trifluor-l,4-dihydro-4-oxo-3-quinolincarboxylsyre, smp. 226-228°C.
Eksempel E
10 (S)-N-Ethyl-3-pyrrolidinmethanamin-dihydrochlorid [3R-(R*,R*)]- og [3S-(R*,S*)]-5-Oxo-l-(1-phenylethyl)- 3-pyrrolidincarboxylsyre
En blanding af 13,10 g (0,1 mol) itaconsyre og 15 12,12 g (0,1 mol) R(+)-α-methylbenzylamin i 100 ml xylen blev tilbagesvalet natten over, afkølet til stuetemperatur og filtreret, hvorved vandtes 14,76 g (63%) farveløse krystaller af titelforbindelsen som en blanding af diastereomere, [α]β +113,6° (c = 1,16, ethanol).
20 Analyse:
Beregnet: C: 66,93 H: 6,48 N: 6,00
Fundet: 67,30 6,24 5,92 [3R- (R**,R*) ] - og [3S-(R^,S*) ]-Methyl-5-oxo-l-(1-phenyl-25 ethyl)-3-pyrrolidincarboxylat
En opløsning af 126,6 g (0,543 mol) [3R-(R*,R*)]-og [3S- (R5*, S**) ] -5-oxo-l- (1-phenylethyl) -3-pyrrolidincarb-oxylsyre og 0,50 g p-toluensulfonsyre i 1300 ml methanol blev tilbagesvalet natten over. Opløsningsmidlet blev 30 fordampet i vakuum, og inddampningsresten blev optaget i dichlormethan, vasket med 3 x 300 ml IN NaOH-opløsning, tørret (MgSO^) og inddampet, hvorved vandtes 131,7 g af en blanding af diastereomere estre. Chromatografi på en søjle af silicagel med ethylacetat/pentan (3:2) gav 74,9 35 g (56%) af [3R-(R*,R*)]-methyl-5-oxo-l-(1-phenylethyl)-3-pyrrolidincarboxylat som en væske, [a]D +84,1° (c = 1,06, methanol).
DK 161889 B
26
• I
I Λ
Analyse: C14H17N03
Beregnet: C: 68,00 Η: 6,93 Ν: 5,66
Fundet: 67,74 7,27 5,48
Inddampningsresten af senere fraktioner gav 38,3 g 5 (29%) [3S-(Rs,S*)]-methyl-5-oxo-l-(1-phenylethyl)-3-pyr- rolidincarboxylsyre som farveløse krystaller, smp. 69-71°C, [α]β +116,2° (c = 1,03, methanol).
Analyse: C14H17N03
Beregnet: C: 68,00 H: 6,93 N: 5,66 10 Fundet: 66,69 6,94 5,34 [3R- (Ι^,Κ3*) 3 -1- (1-Phenylethyl) -3-pyrrolidinmethanol
En opløsning af 10,0 g (40,5 mmol) [3R-(RM‘,R*)]-methyl-5-oxo-l-(1-phenylethyl)-3-pyrrolidincarboxylat i 15 75 ml tør tetrahydrofuran blev dråbevis sat til en blanding af 6,50 g (171 mmol) lithiumaluminiumhydrid i 100 ml tetrahydrofuran. Blandingen blev tilbagesvalet natten over, fortyndet med 50 ml tetrahydrofuran og behandlet dråbevis med 6,5 ml vand, 6,5 ml 15% natriumhydroxid og 20 19,5 ml vand. De faste stoffer blev frafiltreret, og filtratet blev inddampet til en sirup, der blev opløst i dichlormethan, tørret (MgSO^) og igen inddampet, hvorved vandtes 8,06 g krystallinsk råprodukt. Omkrystallisation af hexan gav 7,25 g (87%) af titelforbindelsen, smp. 86-25 88°C, [a]D +51,3° (c = 1,06, methanol).
Analyse: C13H19NO
Beregnet: C: 76,06 H: 9,33 N: 6,82
Fundet: 76,38 9,63 7,05 30 [3R- (R^R**) 3 -3-Chlormethyl-l- (1-phenylethyl) -pyrrolidin En opløsning af 0,50 g (2,44 mmol) [3R- (R^R55) ] -1-(1-phenylethyl)-3-pyrrolidinmethanol i 5 ml 1,2-di-chlorethan blev behandlet med 2 ml thionylchlorid, tilbagesvalet i to timer, inddampet og krystalliseret ved tri-35 turering med ether, hvorved vandtes 0,64 g (100%) af titelforbindelsen som hydrochloridet, smp. 140-146°C, [α]β +27,8° (c = 1,07, methanol).
DK 161889 B
27
Analyse: C13H19C12N
Beregnet: C: 60,00 H: 7,36 N: 5,38 Cl: 27,25
Fundet: 59,75 7,09 5,25 26,94 5 [3S- (R^S'**) ] -N-Ethyl-1- (1-phenylethyl) -3-pyrrol id in-methanamin
En opløsning af 4,0 g (15,4 mmol) [3R-(R*,R*)]-3-(chlormethyl)-1-(1-phenylethyl)pyrrolidin i 60 ml 70% ethylamin blev opvarmet i trykflaske på dampbad natten 10 over. Blandingen blev afkølet, filtreret og inddampet til en tyk sirup, der blev behandlet med 50 ml 2N natriumhydroxid og ekstraheret med 3 x 30 ml dichlormethan. De samlede organiske lag blev tørret (MgSO^) og inddampet, hvorved vandtes 3,49 g (98%) af titelforbindelsen som 15 en sirup, [a]D +45,6° (c = 1,04, methanol).
Analyse:
Beregnet: C: 77,53 H: 10,41 N: 12,06
Fundet: 77,14 10,23 11,91 20 (S) -N-E'thyl-3-pyrrolidinmethanamin-dihydrochlorid
En opløsning af 5,97 g (25,7 mmol) [3S~ (R^S*) ] -N-ethyl-1-(1-phenylethyl)-3-pyrrolidinmethanamin i 100 ml methanol med 0,6 g 20% Pd/C-katalysator blev hydrogeneret ved 50 psi i 23 timer. Mere katalysator (0,6 g) 25 blev tilsat, og reaktionen blev fortsat i yderligere 23 timer. Efter filtrering og fordampning af opløsningsmidlet blev produktet destilleret, hvorved vandtes 2,05 g (62%) af titelforbindelsen som den frie base, kp. 74°C (8 mm Hg). En prøve (0,25 g) opløst i 10 ml ether blev 30 behandlet med 1 ml 6N hydrogenchlorid i 2-propanol, hvorved vandtes 0,29 g af amin-dihydrochloridet efter to krystallisationer af ethanol, smp. 184,5-185,5°C, [a]D +5,4° (c = 0,85, 0,1N NaOH).
Claims (1)
- 2. Farmaceutisk komposition, kendetegnet ved, at den indeholder en antibaktielt effektiv mængde af en forbindelse ifølge krav 1 sammen med en far- 30 maceutisk acceptabel bærer.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US58115784A | 1984-02-17 | 1984-02-17 | |
| US58115784 | 1984-02-17 | ||
| US69282085 | 1985-01-23 | ||
| US06/692,820 US4665079A (en) | 1984-02-17 | 1985-01-23 | Antibacterial agents |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| DK68785D0 DK68785D0 (da) | 1985-02-14 |
| DK68785A DK68785A (da) | 1985-08-18 |
| DK161889B true DK161889B (da) | 1991-08-26 |
| DK161889C DK161889C (da) | 1992-02-03 |
Family
ID=27078238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK068785A DK161889C (da) | 1984-02-17 | 1985-02-14 | 7-substituerede 1-cyclopropyl-6,8-difluor-1,4-dihydro-4-oxo-3-quinolincarboxylsyreforbindelser og farmaceutiske kompositioner indeholdende disse |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4665079A (da) |
| EP (1) | EP0153163B1 (da) |
| JP (2) | JPH0755945B2 (da) |
| KR (1) | KR900004995B1 (da) |
| AU (1) | AU568004B2 (da) |
| CA (1) | CA1289956C (da) |
| DE (1) | DE3574972D1 (da) |
| DK (1) | DK161889C (da) |
| ES (1) | ES8705422A1 (da) |
| FI (1) | FI83312C (da) |
| GR (1) | GR850396B (da) |
| HU (1) | HUT37149A (da) |
| IE (1) | IE58098B1 (da) |
| NO (1) | NO161370C (da) |
| NZ (1) | NZ211137A (da) |
| OA (1) | OA08300A (da) |
| PH (1) | PH20942A (da) |
| PT (1) | PT79971B (da) |
| ZA (1) | ZA85854B (da) |
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-
1985
- 1985-01-23 US US06/692,820 patent/US4665079A/en not_active Expired - Lifetime
- 1985-02-01 IE IE25585A patent/IE58098B1/en not_active IP Right Cessation
- 1985-02-04 CA CA000473502A patent/CA1289956C/en not_active Expired - Lifetime
- 1985-02-04 ZA ZA85854A patent/ZA85854B/xx unknown
- 1985-02-11 AU AU38618/85A patent/AU568004B2/en not_active Ceased
- 1985-02-14 GR GR850396A patent/GR850396B/el not_active IP Right Cessation
- 1985-02-14 DK DK068785A patent/DK161889C/da not_active IP Right Cessation
- 1985-02-15 NO NO850614A patent/NO161370C/no not_active IP Right Cessation
- 1985-02-15 FI FI850631A patent/FI83312C/fi not_active IP Right Cessation
- 1985-02-15 PT PT79971A patent/PT79971B/pt unknown
- 1985-02-15 ES ES540441A patent/ES8705422A1/es not_active Expired
- 1985-02-15 NZ NZ211137A patent/NZ211137A/xx unknown
- 1985-02-15 OA OA58529A patent/OA08300A/xx unknown
- 1985-02-15 HU HU85580A patent/HUT37149A/hu unknown
- 1985-02-15 PH PH31861A patent/PH20942A/en unknown
- 1985-02-15 JP JP60026669A patent/JPH0755945B2/ja not_active Expired - Lifetime
- 1985-02-15 DE DE8585301009T patent/DE3574972D1/de not_active Expired - Lifetime
- 1985-02-15 EP EP85301009A patent/EP0153163B1/en not_active Expired
- 1985-02-18 KR KR1019850001009A patent/KR900004995B1/ko not_active Expired
-
1994
- 1994-10-19 JP JP6278595A patent/JP2604124B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4665079A (en) | 1987-05-12 |
| KR850006416A (ko) | 1985-10-05 |
| FI850631A0 (fi) | 1985-02-15 |
| CA1289956C (en) | 1991-10-01 |
| EP0153163A3 (en) | 1986-01-29 |
| GR850396B (da) | 1985-06-14 |
| IE58098B1 (en) | 1993-06-30 |
| JPH0755945B2 (ja) | 1995-06-14 |
| EP0153163B1 (en) | 1989-12-27 |
| AU3861885A (en) | 1985-08-22 |
| JPS60214773A (ja) | 1985-10-28 |
| PT79971B (en) | 1987-02-02 |
| FI83312C (fi) | 1991-06-25 |
| DE3574972D1 (de) | 1990-02-01 |
| KR900004995B1 (ko) | 1990-07-16 |
| DK68785D0 (da) | 1985-02-14 |
| EP0153163A2 (en) | 1985-08-28 |
| HUT37149A (en) | 1985-11-28 |
| OA08300A (en) | 1987-10-30 |
| IE850255L (en) | 1985-08-17 |
| JP2604124B2 (ja) | 1997-04-30 |
| NZ211137A (en) | 1988-08-30 |
| FI850631L (fi) | 1985-08-18 |
| DK161889C (da) | 1992-02-03 |
| JPH07173160A (ja) | 1995-07-11 |
| AU568004B2 (en) | 1987-12-10 |
| NO850614L (no) | 1985-08-19 |
| NO161370C (no) | 1989-08-09 |
| PH20942A (en) | 1987-06-05 |
| ZA85854B (en) | 1986-09-24 |
| ES540441A0 (es) | 1987-05-01 |
| FI83312B (fi) | 1991-03-15 |
| ES8705422A1 (es) | 1987-05-01 |
| NO161370B (no) | 1989-05-02 |
| PT79971A (en) | 1985-03-01 |
| DK68785A (da) | 1985-08-18 |
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Legal Events
| Date | Code | Title | Description |
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| PUP | Patent expired |