DK169435B1 - 2-Pyridyl-4-chinolylmethanderivater og fremgangsmåde til fremstilling af 2-pyridyl-4-chinolylketoner - Google Patents
2-Pyridyl-4-chinolylmethanderivater og fremgangsmåde til fremstilling af 2-pyridyl-4-chinolylketoner Download PDFInfo
- Publication number
- DK169435B1 DK169435B1 DK448981A DK448981A DK169435B1 DK 169435 B1 DK169435 B1 DK 169435B1 DK 448981 A DK448981 A DK 448981A DK 448981 A DK448981 A DK 448981A DK 169435 B1 DK169435 B1 DK 169435B1
- Authority
- DK
- Denmark
- Prior art keywords
- parts
- pyridyl
- trifluoromethyl
- bis
- preparation
- Prior art date
Links
- 238000002360 preparation method Methods 0.000 title description 14
- KFQQANHUQNKMNQ-UHFFFAOYSA-N pyridin-2-yl(quinolin-4-yl)methanone Chemical class C=1C=NC2=CC=CC=C2C=1C(=O)C1=CC=CC=N1 KFQQANHUQNKMNQ-UHFFFAOYSA-N 0.000 title description 4
- 238000000034 method Methods 0.000 title description 3
- FXEOXYHYPKUYAP-UHFFFAOYSA-N N1=C(C=CC=C1)CC1=CC=NC2=CC=CC=C12 Chemical class N1=C(C=CC=C1)CC1=CC=NC2=CC=CC=C12 FXEOXYHYPKUYAP-UHFFFAOYSA-N 0.000 title 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 229910052801 chlorine Inorganic materials 0.000 claims description 5
- 238000005273 aeration Methods 0.000 claims description 4
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 3
- 150000002576 ketones Chemical class 0.000 claims description 3
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000007800 oxidant agent Substances 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 27
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 20
- 150000001875 compounds Chemical class 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 16
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- 239000000203 mixture Substances 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 229960000583 acetic acid Drugs 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 8
- 239000012362 glacial acetic acid Substances 0.000 description 7
- 239000011591 potassium Substances 0.000 description 7
- 229910052700 potassium Inorganic materials 0.000 description 7
- 239000011541 reaction mixture Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- GZTUXOWPGYDWNO-UHFFFAOYSA-N [2,8-bis(trifluoromethyl)quinolin-4-yl]-pyridin-2-ylmethanone Chemical compound C=12C=CC=C(C(F)(F)F)C2=NC(C(F)(F)F)=CC=1C(=O)C1=CC=CC=N1 GZTUXOWPGYDWNO-UHFFFAOYSA-N 0.000 description 6
- 239000002585 base Substances 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- UKVQBONVSSLJBB-UHFFFAOYSA-N 2-pyridin-2-ylacetonitrile Chemical compound N#CCC1=CC=CC=N1 UKVQBONVSSLJBB-UHFFFAOYSA-N 0.000 description 5
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 5
- 239000007795 chemical reaction product Substances 0.000 description 5
- 235000011181 potassium carbonates Nutrition 0.000 description 5
- KXYNLLGPBDUAHW-UHFFFAOYSA-N quinolin-4-ylmethanol Chemical class C1=CC=C2C(CO)=CC=NC2=C1 KXYNLLGPBDUAHW-UHFFFAOYSA-N 0.000 description 5
- 238000001291 vacuum drying Methods 0.000 description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 4
- QPOWUYJWCJRLEE-UHFFFAOYSA-N dipyridin-2-ylmethanone Chemical compound C=1C=CC=NC=1C(=O)C1=CC=CC=N1 QPOWUYJWCJRLEE-UHFFFAOYSA-N 0.000 description 4
- 229910000027 potassium carbonate Inorganic materials 0.000 description 4
- NHGXDBSUJJNIRV-UHFFFAOYSA-M tetrabutylammonium chloride Chemical compound [Cl-].CCCC[N+](CCCC)(CCCC)CCCC NHGXDBSUJJNIRV-UHFFFAOYSA-M 0.000 description 4
- ZSQOESPYYNJBCZ-UHFFFAOYSA-N 4-chloro-2,8-bis(trifluoromethyl)quinoline Chemical compound C1=CC=C(C(F)(F)F)C2=NC(C(F)(F)F)=CC(Cl)=C21 ZSQOESPYYNJBCZ-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- NLFBCYMMUAKCPC-KQQUZDAGSA-N ethyl (e)-3-[3-amino-2-cyano-1-[(e)-3-ethoxy-3-oxoprop-1-enyl]sulfanyl-3-oxoprop-1-enyl]sulfanylprop-2-enoate Chemical compound CCOC(=O)\C=C\SC(=C(C#N)C(N)=O)S\C=C\C(=O)OCC NLFBCYMMUAKCPC-KQQUZDAGSA-N 0.000 description 3
- 239000000543 intermediate Substances 0.000 description 3
- -1 mefloquine (d Chemical class 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- JIWHKBAFGFPZKM-UHFFFAOYSA-N 2,8-bis(trifluoromethyl)-1h-quinolin-4-one Chemical compound C1=CC=C2C(O)=CC(C(F)(F)F)=NC2=C1C(F)(F)F JIWHKBAFGFPZKM-UHFFFAOYSA-N 0.000 description 2
- FDGCOXVUWAKSTA-UHFFFAOYSA-N 4,6,8-trichloro-2-(trifluoromethyl)quinoline Chemical compound C1=C(Cl)C=C(Cl)C2=NC(C(F)(F)F)=CC(Cl)=C21 FDGCOXVUWAKSTA-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 2
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- CODCQYMIXBAYTR-UHFFFAOYSA-N bis[6,8-dichloro-3-pyridin-2-yl-2-(trifluoromethyl)quinolin-4-yl]methanone Chemical compound N1=C(C=CC=C1)C=1C(=NC2=C(C=C(C=C2C=1C(=O)C1=C(C(=NC2=C(C=C(C=C12)Cl)Cl)C(F)(F)F)C1=NC=CC=C1)Cl)Cl)C(F)(F)F CODCQYMIXBAYTR-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 201000004792 malaria Diseases 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 239000003444 phase transfer catalyst Substances 0.000 description 2
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 description 2
- 235000011118 potassium hydroxide Nutrition 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 150000003512 tertiary amines Chemical class 0.000 description 2
- XEEQGYMUWCZPDN-DOMZBBRYSA-N (-)-(11S,2'R)-erythro-mefloquine Chemical compound C([C@@H]1[C@@H](O)C=2C3=CC=CC(=C3N=C(C=2)C(F)(F)F)C(F)(F)F)CCCN1 XEEQGYMUWCZPDN-DOMZBBRYSA-N 0.000 description 1
- QVCUKHQDEZNNOC-UHFFFAOYSA-N 1,2-diazabicyclo[2.2.2]octane Chemical compound C1CC2CCN1NC2 QVCUKHQDEZNNOC-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- HTSGKJQDMSTCGS-UHFFFAOYSA-N 1,4-bis(4-chlorophenyl)-2-(4-methylphenyl)sulfonylbutane-1,4-dione Chemical compound C1=CC(C)=CC=C1S(=O)(=O)C(C(=O)C=1C=CC(Cl)=CC=1)CC(=O)C1=CC=C(Cl)C=C1 HTSGKJQDMSTCGS-UHFFFAOYSA-N 0.000 description 1
- NENOMHHOAYYAHX-UHFFFAOYSA-N 2,8-bis(trifluoromethyl)quinoline Chemical compound C1=CC=C(C(F)(F)F)C2=NC(C(F)(F)F)=CC=C21 NENOMHHOAYYAHX-UHFFFAOYSA-N 0.000 description 1
- JPMRGPPMXHGKRO-UHFFFAOYSA-N 2-(chloromethyl)pyridine hydrochloride Chemical compound Cl.ClCC1=CC=CC=N1 JPMRGPPMXHGKRO-UHFFFAOYSA-N 0.000 description 1
- ZFFBIQMNKOJDJE-UHFFFAOYSA-N 2-bromo-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(Br)C(=O)C1=CC=CC=C1 ZFFBIQMNKOJDJE-UHFFFAOYSA-N 0.000 description 1
- FFNVQNRYTPFDDP-UHFFFAOYSA-N 2-cyanopyridine Chemical compound N#CC1=CC=CC=N1 FFNVQNRYTPFDDP-UHFFFAOYSA-N 0.000 description 1
- DXALAFAFIXJDOS-UHFFFAOYSA-N 4-bromo-2,8-bis(trifluoromethyl)quinoline Chemical compound C1=CC=C(C(F)(F)F)C2=NC(C(F)(F)F)=CC(Br)=C21 DXALAFAFIXJDOS-UHFFFAOYSA-N 0.000 description 1
- JRTGGNDDSKKPQE-UHFFFAOYSA-N 4-bromo-2-(trifluoromethyl)quinoline Chemical compound C1=CC=CC2=NC(C(F)(F)F)=CC(Br)=C21 JRTGGNDDSKKPQE-UHFFFAOYSA-N 0.000 description 1
- ONNDFDQMHCNEGF-UHFFFAOYSA-N 4-chloro-2-(trifluoromethyl)quinoline Chemical compound C1=CC=CC2=NC(C(F)(F)F)=CC(Cl)=C21 ONNDFDQMHCNEGF-UHFFFAOYSA-N 0.000 description 1
- AZADALPYSVBIQC-UHFFFAOYSA-N 6,8-dichloro-2-(trifluoromethyl)-1h-quinolin-4-one Chemical compound ClC1=CC(Cl)=C2NC(C(F)(F)F)=CC(=O)C2=C1 AZADALPYSVBIQC-UHFFFAOYSA-N 0.000 description 1
- XVMSFILGAMDHEY-UHFFFAOYSA-N 6-(4-aminophenyl)sulfonylpyridin-3-amine Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=N1 XVMSFILGAMDHEY-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- BMTAFVWTTFSTOG-UHFFFAOYSA-N Butylate Chemical compound CCSC(=O)N(CC(C)C)CC(C)C BMTAFVWTTFSTOG-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- SAASULZYLLDKLL-UHFFFAOYSA-N FC(C1=NC2=C(C=CC=C2C=C1Br)C(F)(F)F)(F)F Chemical compound FC(C1=NC2=C(C=CC=C2C=C1Br)C(F)(F)F)(F)F SAASULZYLLDKLL-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- GBOMJGJESBMUBL-UHFFFAOYSA-N [6,8-dichloro-2-(trifluoromethyl)quinolin-4-yl]-piperidin-2-ylmethanol Chemical compound C=1C(C(F)(F)F)=NC2=C(Cl)C=C(Cl)C=C2C=1C(O)C1CCCCN1 GBOMJGJESBMUBL-UHFFFAOYSA-N 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 238000005815 base catalysis Methods 0.000 description 1
- HTZCNXWZYVXIMZ-UHFFFAOYSA-M benzyl(triethyl)azanium;chloride Chemical compound [Cl-].CC[N+](CC)(CC)CC1=CC=CC=C1 HTZCNXWZYVXIMZ-UHFFFAOYSA-M 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 1
- WOWHHFRSBJGXCM-UHFFFAOYSA-M cetyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)C WOWHHFRSBJGXCM-UHFFFAOYSA-M 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- IYPNPJKKLJUNDV-UHFFFAOYSA-N di(quinolin-4-yl)methanone Chemical compound N1=CC=C(C2=CC=CC=C12)C(=O)C1=CC=NC2=CC=CC=C12 IYPNPJKKLJUNDV-UHFFFAOYSA-N 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- LTYRAPJYLUPLCI-UHFFFAOYSA-N glycolonitrile Chemical compound OCC#N LTYRAPJYLUPLCI-UHFFFAOYSA-N 0.000 description 1
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229960001962 mefloquine Drugs 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- XKBGEWXEAPTVCK-UHFFFAOYSA-M methyltrioctylammonium chloride Chemical compound [Cl-].CCCCCCCC[N+](C)(CCCCCCCC)CCCCCCCC XKBGEWXEAPTVCK-UHFFFAOYSA-M 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 230000000269 nucleophilic effect Effects 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 150000004714 phosphonium salts Chemical class 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical compound [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 description 1
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 239000012217 radiopharmaceutical Substances 0.000 description 1
- 229940121896 radiopharmaceutical Drugs 0.000 description 1
- 230000002799 radiopharmaceutical effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000012485 toluene extract Substances 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- RYVBINGWVJJDPU-UHFFFAOYSA-M tributyl(hexadecyl)phosphanium;bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[P+](CCCC)(CCCC)CCCC RYVBINGWVJJDPU-UHFFFAOYSA-M 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—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
- C07D213/02—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
- 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
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Description
x DK 169435 B1
Opfindelsen angår hidtil ukendte pyrid-2'-yl-2-trifluor-methyl-chinol-4-ylmethanderivater med den i krav 1 angivne formel, der er mellemprodukter ved fremstillingen af 2-pyridyl-4-chinolylketoner, der anvendes til fremstil-5 ling af 4-chinolinmethanolderivater, der er i besiddelse af lægemiddelvirkning specielt over for malaria. Opfindelsen angår ligeledes en fremgangsmåde til fremstilling af pyrid-2'-yl-2-trifluormethyl-chinol-4-ylketon.
10 Visse 4-chinolinmethanolderivater som f.eks. mefloquin (d,1-erythro-o-(2-piperidyl)-2,8-bis(trifluormethyl)-4-chinolinmethanol (se f.eks. Antimicrobial Agents Chemother. 9, 384 (1976)) er værdifulde aktive midler ved bekæmpelsen af malaria. Disse forbindelser er gennem læn-15 gere tid blevet fremstillet via metalorganiske mellemtrin (se J. Med. Chem. 14, 926 (1971)); DOS 28 06 909);
Journal of labelled Compounds and Radiopharmaceuticals, 17, 431 (1980)), hvilket er uheldigt ved fremstillingen i større målestok.
20
Opfindelsen tilvejebringer således de omhandlede 2-pyridyl-2'-yl-2-trifluormethyl-chinol-4-ylmethanderiva-ter, der er kendetegnet ved, at de har den almene formel 25 ΪΛ (i, R'~ l Λ /-CF, R1 30 hvori R1 betegner et hydrogenatom eller et chloratom, og 2 R betegner en trifluormethylgruppe eller et chloratom.
Disse kan let fremstilles og er værdifulde mellemproduk-35 ter ved fremstillingen af 4-chinolinmethanolderivater.
DK 169435 B1 2
Opfindelsen tilvejebringer ligeledes en fremgangsmåde til fremstilling af pyrid-2'-yl-2-trifluormethyl-chinol-4-yl-keton, hvilken fremgangsmåde er ejendommelig ved det i krav 2's kendetegnende del angivne.
5
De omhandlede 4-chinolinmethanderivater med formel I fremstilles, ved at man omsætter forbindelser med formel II
x 10 R1-/ Y \ Π H J—CFj (II)
RJ
1 2
hvori R og R har de ovenfor angivne betydninger, og X 15 betegner en elektrofugal gruppe, med en forbindelse III
-N-CH„jf J (III) 20 i et inert opløsningsmiddel i nærværelse af en base.
Som den elektrofugale gruppe X i formel II egner sig specielt chlor, brom eller iod.
25
Som opløsningsmidler ved omsætningen af forbindelserne med formel II med forbindelser med formel III kan anvendes opløsningsmidler, der er inerte under reaktionsbetingelserne som f.eks. aromatiske carbonhydrider som benzen, 30 toluen eller xylen, mættede alifatiske og cycliske ethere som diethylether, diisopropylether, dimethoxyethan, di-ethylenglycoldimethylether, methyl-tert.-butylether, te-trahydrofuran, dioxan, alkoholer som f.eks. methanol og tert.-butanol, tertiære aminer og trialkylaminer som py-35 ridin eller triethylamin, samt aprotiske stærkt polære opløsningsmidler specielt acetonitril, dimethylformamid og dimethylsulfoxid.
DK 169435 Bl 3 I mange tilfælde lader reaktionen sig med fordel gennemføre i et tofaset system med en faseoverførselskatalysator. Den organiske fase udgøres til dette formål af en af de ovennævnte opløsningsmidler, mens den vandige fase 5 hensigtsmæssigt er en vandig opløsning af natrium- eller kaliumhydroxid eller også natrium- eller kaliumcarbonat.
Som faseoverførselskatalysatorer anvendes sædvanligt anvendte kvaternære ammonium- eller phosphoniumsalte som f.eks. triethyl-benzyl-ammoniumchlorid, hexadecyl-trime-10 thyl-ammoniumchlorid, tricapry1-methyl-ammoniumchlorid eller -bromid eller hexadecyl-tributyl-phosphoniumbromid.
Omsætningen af 11 med III sker under basekatalyse. Som baser kommer f.eks. følgende på tale: alkali- og jordal-15 kalihydroxider og -carbonater som natrium-, kalium- eller calciumhydroxid, natrium- eller kaliumcarbonat, alkalial-koholater, specielt methylater, ethylater, isopropylater eller tert.-butylater af natrium og kalium og alkaliamider som natrium- eller kaliumamid eller natriumhydrid.
20
Hensigtsmæssigt tilpasser man basiditeten af den anvendte base til aciditeten af den CH-sure-forbindelse, den nucleophile komponent III. Således kan man ved anvendelsen af 2-pyridyl-acetonitrilen med fordel anvende vandige na-25 triumhydroxidopløsning eller en alkoholisk alkoholatop- løsning.
Mængdeforholdet mellem den CH-sure-forbindelse III og forbindelse II ligger normalt nær ved eller nøjagtigt på 30 et molforhold på 1:1.
Mængdeforholdet mellem basen og den CH-sure-forbindelse III er sædvanligvis 2 mol pr. mol.
35 Omsætningen gennemføres sædvanligvis i et temperaturområ-de fra ca. -20 °C til det pågældende opløsningsmiddels kogepunkt. Fortrinsvis anvendes temperaturområdet fra ca.
DK 169435 B1 4 20 °C til ca. 60 °C. Det er fordelagtigt at arbejde i en inert gasatmosfære. Som beskyttelsesgasser egner sig specielt nitrogen og argon.
5 De omhandlede forbindelser egner sig særdeles vel til fremstillingen af 2-pyridyl-4-chinolylketoner, der anvendes til fremstilling af 4-chinolinmethanolderivater, der er i besiddelse af god virkning overfor malaria. Disse derivater kan fås ud fra de omhandlede forbindelser i ud-10 mærket udbytte med høj renhed således som angivet i udførelseseksemplerne. Herudover muliggør de omhandlede forbindelser væsentlig simplere og sikrere måder til fremstilling af 2-pyridyl-4-chinolylketoner, der anvendes til fremstilling af 4-chinolinmethanolderivaterne end de, der 15 f.eks. er beskrevet i J. Med. Chem. 14, 926 (1971), DE-OS 28 06 909 og DE-OS 29 40 443, og som er nødvendige for de metalorganiske reagenser eller Grignard-forbindelser.
De omhandlede forbindelser behøver i de fleste tilfælde 20 ikke at renses specielt for den videre omsætning. Hyppigt kan forbindelserne i reaktionsblandingen direkte videre-forarbejdes.
2-Pyridyl-2,8-bis-(trifluormethyl)-4-chinolinmethanen kan 25 ikke oxidativt decyaneres i analogi med hvad der er angivet i litteraturen (Y. Masuyama et al., Chem. Letters, 1439 (1977) i et tofaset system, da der i stedet for den forventede pyridylketon fås 2,8-bis-(trifluormethyl)-chi-nolin. Overraskende har det imidlertid vist sig, at ned-30 brydningen til pyridylketon lykkes med næsten kvantitativt udbytte, dersom man gennemfører reaktionen i polære vandfri medier som f.eks. alifatiske alkoholer, fortrinsvis methanol eller tert.-butanol, dimethylformamid, dime-thylsulfoxid, hexamethylphosphorsyretriamid eller pyridin 35 i nærværelse af baser som f.eks. alkoholater, fortrinsvis natriummethylat eller kalium-tert.-butylat, tertiære aminer som f.eks. triethylamin eller diaza-bicyclo-[2.2.2]- DK 169435 B1 5 octan, uorganiske baser som f.eks. calciumhydroxid eller kaliumcarbonat under gennemluftning med oxygen eller oxy-genholdige gasarter, fortrinsvis luft, ved stuetemperatur eller ved forhøjede temperaturer. En særligt foretrukken 5 udførelsesform består i, at 2-pyridyl-2,8-bis-(trifluor- methyl)-4-chinolincyanomethan i tert.-butanol som opløsningsmiddel i nærværelse af kalium-tert.-butylat som base i en inert gasatmosfære ud fra 2,8-bis-(trifluormethyl)- 4-chlorchinolin og 2-pyridylnitril og uden isolering af 10 temperaturer over fra ca. 35 °C ved intensiv gennemluftning omdannes til pyridylketonen. Overraskende godt kan 2-pyridyl-2,8-bis-(trifluormethyl)-4-chinolincyanometha-nen omdannes også i surt medium som f.eks. i eddikesyre med oxidationsmidler som hydrogenperoxid eller pereddike-15 syre til pyridylketonen.
2-Pyridyl-2-trifluormethyl-6,8-dichlor-4-chinolincyanome-thanen kan analogt med 2-pyridyl-2,8-bis-(trifluormethyl )-4-chinolincyanomethan overføres til 2-pyridyl-6,8-di-20 chlor-4-chinolinylketon, hvis katalytiske hydrogenering giver den ønskede a-(2-piperidyl)-2-trifluormethyl-6,8-dichlor-4-chinolinmethanol.
Følgende eksempler belyser opfindelsen nærmere. I eksemp-25 lerne forholder rumfangsdele sig til dele som liter til kilogram.
I. Fremstilling af de omhandlede forbindelser.
30 EKSEMPEL 1
Man tilsætter en blanding bestående af 62 dele 2,8-bis-(trifluormethyl)-bromchinolin, 106 rumfangsdele dimethyl-formamid (DMF), 1,7 dele tetrabutylammoniumchlorid og 35 20,9 dele 2-pyridylacetonitril ved stuetemperatur under gennemluftning med nitrogen 35,5 dele koncentreret natronlud, og reaktionsblandingen omrøres yderligere 1 ti- DK 169435 B1 6 me. Herefter tilsættes reaktionsproduktet 200 rumfangsdele vand, og der indstilles med iseddike til pH 4. Det udfældede produkt frasuges, der vaskes grundigt med vand og tørres. Der fås 67 dele = 97,6% af det teoretiske udbytte 5 af 2-pyridyl-2,8-bis-(trifluormethyl)-4-chinolincyanome-than med smeltepunkt 162 til 165 °C. En analyseren prøve smelter ved 167-168 °C.
EKSEMPEL 2 10 a) Fremstilling af udgangsmateriale
En blanding af 100 rumfangsdele phosphortrichlorid og 40 dele 2,8-bis-(trifluormethyl)-4-hydroxychinolin opvarmes 15 med tilbagesvaling i 8 timer. Herefter afdestillerer man størstedelen af det overskydende phosphortrichlorid, udhælder remanensen i 200 dele isvand og indstiller med 12 n natronlud til pH 12 til 13. Herefter ekstraheres med dichlormethan, der tørres over natriumsulfat, og opløs-20 ningsmidlet fjernes ved reduceret tryk. Der fås 40,2 dele = 94% af det teoretiske udbytte af 2,8-bis-(trifluormethyl ) -4-chlorchinolin med smeltepunkt 40-42 °C.
b) Fremstilling af 4-chinolinmethanderivatet 25
Analogt med eksempel 1 fås under anvendelse af 54 dele af den under 2a) fremstillede forbindelse 63,5 dele = 88% af det teoretiske udbytte af 2-pyridyl-2,8-bis-(trifluormethyl )-4-chinolincyanomethan med smeltepunkt 162-164 °C.
30 EKSEMPEL 3
En blanding bestående af 250 rumfangsdele tert.-butanol, 44,9 dele kalium-tert.-butylat og 57,1 dele 2,8-bis-35 (trifluormethyl)-4-chlorchinolin tilsættes ved stuetempe ratur under omrøring 23,6 dele 2-pyridyl-acetonitril, og der omrøres under nitrogen i 1 1/2 time. Reaktionsproduk DK 169435 B1 7 tet tilsættes 12,0 dele eddikesyre, og der fortyndes med 300 rumfangsdele vand. Den udfældede forbindelse vaskes grundigt med vand, og der tørres ved 50 “C i tørreskab.
Der fås 74,3 dele = 97,5% af det teoretiske udbytte af 2-5 pyridyl-2,8-bis-(trifluormethyl)-4-chinolincyanomethan (se eksempel 1) med smeltepunkt 163-165 °C.
EKSEMPEL 4 10 En blanding bestående af 200 rumfangsdele DMF, 17,2 dele 2.8- bis-(trifluormethyl)-4-bromchinolin, 30,4 dele fint pulveriseret kaliumcarbonat og 9,0 dele 2-picolylchlorid-hydrochlorid omrøres ved stuetemperatur under nitrogen i 2 timer. Herefter tilsætter man portionsvis 5,4 dele ka- 15 liumcyanid, hæver temperaturen til 50 °C og omrører yderligere 16 timer. Uopløst materiale frafiltreres reaktionsblandingen, der neutraliseres med 3 dele iseddike og fortyndes med 300 ml vand. Den udfældede forbindelse fra-suges, vaskes med vand og tørres i vakuumtørreskab ved 20 ca. 50 °C. Der fås 18 dele = 95% råt 2-pyridyl-2,8-bis-(trifluormethyl)-4-chinolincyanomethan (se eksempel 3), der som biprodukt indeholder noget 2-pyridyl-2-picolyl- 2.8- bis-(trifluormethyl)-3-chinolincyanomethan.
25 EKSEMPEL 5
En blanding bestående af 250 rumfangsdele tert.-butanol, 20,6 dele 2,8-bis-(trifluormethyl)-4-bromchinolin og 7,1 dele 2-pyridyl-acetonitril tilsættes 13,5 dele kalium-30 tert.-butylat under nitrogen, og der omrøres ca. 1 1/2 timer ved stuetemperatur. Den fremstillede reaktionsblanding indeholder 2-pyridyl-2,8-bis-(trifluormethyl)-4-chi-nolincyanomethan (se eksempel 1) i form af dens intensivt permanganatfarvede kaliumsalt. Blandingen kan anvendes 35 direkte videre (se eksempel G).
8 DK 169435 B1 EKSEMPEL 6
En blanding af 800 rumfangsdele DMF, 85,6 dele 2-pyridyl-acetonitril og 250 dele 2-trifluormethyl-6,8-dichlor-4-5 bromchinolin tilsættes én del tetrabutylammoniumchlorid og under afkøling ved stuetemperatur 150 dele koncentreret natronlud, og der omrøres i 1 1/2 time under nitrogen. DMF-fasen fraskilles, der tilsættes 45 dele iseddike og fortyndes med 1000 rumfangsdele vand. Den udfældede 10 forbindelse frasuges, vaskes med vand og tørres i vakuum-tørreskab ved ca. 50 °C. Der opnås 255 dele = 92% af det teoretiske udbytte af 2-pyridyl-2-trifluormethyl-6,8-di-chlor-4-chinolincyanomethan med smeltepunkt 171-173 °C.
15 EKSEMPEL 7 a) Fremstilling af udgangsmaterialet
Der gås frem analogt med eksempel 2a), dog anvendes der i 20 stedet for 2,8-bis-(trifluormethyl)-4-hydroxychinolin 40 dele 2-trifluormethyl-6,8-dichlor-4-hydroxychinolin. Herved fås 38,9 dele = 91% af det teoretiske udbytte af 2-trifluormethyl-4,6,8-trichlorchinolin med smeltepunkt 74-76 °C.
25 b) Fremstilling af 4-chinolinmethanderivatet
Der gås frem som beskrevet i eksempel 3, dog anvendes i stedet for 2,8-bis-(trifluormethyl)-4-chlorchinolin 57,3 30 dele 2-trifluormethyl-4,6,8-trichlorchinolin. Herved fås 69,5 dele = 95% af det teoretiske udbytte af 2-pyridyl-2-trifluormethyl-6,8-dichlor-4-chinolincyanomethan med smeltepunkt 172-173 °C.
35 DK 169435 B1 9
II. Anvendelse af de omhandlede forbindelser EKSEMPEL A
5 Til en opløsning af 40 dele 2-pyridyl-2,8-bis-(trifluor-methyl)-4-chinolincyanomethan (eksempel 3) og 12,6 dele kalium-tert.-butylat i 200 rumfangsdele tert.-butanol ledes ved stuetemperatur i 3 timer oxygen. Herefter tilsættes reaktionsproduktet ca. 1000 rumfangsdele vand, og der 10 ekstraheres tre gange med 500 rumfangsdele toluen pr. gang. Toluenekstrakten vaskes med vand og inddampes. Der fås 38 dele = 97,8 % af det teoretiske udbytte af 2-pyri-dyl-2,8-bis-(trifluormethyl)-4-chinolylketon med smeltepunkt 114-118 °C.
15
EKSEMPEL B
Til blandingen af 4,0 dele 2-pyridyl-2,8-bis-(trifluormethyl ) -4-chinolincyanomethan (eksempel 1), 4,7 dele 30% 20 methanolisk natriummethylatopløsning og 10 rumfangsdele methanol ledes oxygen i 9 timer ved 40 °C og yderligere 5 timer ved 50 °C under omrøring. Reaktionsproduktet tilsættes 100 rumfangsdele vand, og der ekstraheres tre gange med 100 rumfangsdele toluen. De forenede organiske fa-25 ser inddampes til tørhed. Der fås 3,4 dele = 88% af det teoretiske udbytte af tyndtlagskromatografisk rent 2-py-ridyl-2,8-bis-(trifluormethyl)-4-chinolylketon.
EKSEMPEL C 30
Til blandingen af 4,0 dele 2-pyridyl-2,8-bis-(trifluormethyl ) -4-chinolincyanomethan (eksempel 1), 1,46 dele di-aza-bicyclo-[2.2.2]-octan og 20 rumfangsdele dimethyl-formamid ledes oxygen i 10 timer ved 50 °C og yderligere 35 2 timer ved 60 °C under omrøring. Således som beskrevet i eksempel B får man ved oparbejdning 2,9 dele = 64% af det teoretiske udbytte af 2-pyridyl-2,8-bis-(trifluormethyl)- DK 169435 B1 10 4-chinolylketon.
EKSEMPEL D
5 Til blandingen af 4,0 dele 2-pyridyl-2,8-bis-(trifluormethyl )-4-chinolincyanomethan (eksempel 1), 1,0 del calciumhydroxid og 20 rumfangsdele dimethylformamid ledes oxygen i 17 timer under omrøring ved 50 °C. Således som beskrevet i eksempel 8 fås ved oparbejdning 3,2 dele = 10 82% af det teoretiske udbytte af 2-pyridyl-2,8-bis-(tri- fluormethyl)-4-chinolylketon.
EKSEMPEL E
15 En blanding af 250 rumfangsdele tert.-butanol, 7,07 dele kalium-tert.-butylat og 22,9 dele 2-pyridyl-2,8-bis-(tri-fluormethyl)-4-chinolincyanomethan (eksempel 1) opvarmes til 60 °C. Ved denne temperatur tilledes under intensiv blanding luft, indtil nitrilen er omsat. Der tilsættes 20 3,8 dele iseddike, og reaktionsproduktet fortyndes med 300 rumfangsdele vand. Den udfældede forbindelse frafil-treres, vaskes med vand og tørres i vakuumtørreskab ved 50 °C. Der fås 21,6 dele = 97% af det teoretiske udbytte af 2-pyridyl-2,8-bis-(trifluormethyl)-4-chinolylketon med 25 smeltepunkt 128-129 °C.
EKSEMPEL F
En opløsning af 5,0 dele 2-pyridyl-2,8-bis-(trifluorme-30 thyl)-4-chinolincyanomethan i 20 rumfangsdele iseddike opvarmes ved 110 °C, og i løbet af 5 minutter tilsættes 1,1 del 50% hydrogenperoxid. Herefter omrøres der yderligere i 1 time ved kogepunktstemperatur. Overskud af hydrogenperoxid sønderdeles ved tilsætning af natriumsul-35 fit, og reaktionsblandingen ekstraheres efter tilsætning af 50 rumfangsdele vand to gange med 100 rumfangsdele toluen pr. gang. Ved inddampning af toluenopløsningen fås DK 169435 B1 11 4,1 del = 84% af det teoretiske udbytte af 2-pyridyl-2,8-bis-(trifluormethyl)-4-chinolylketon.
EKSEMPEL G 5
Den ifølge eksempel 5 opnåede blanding opvarmes til 50-60 °C, og luft gennemledes i ca. 15 timer under kraftig blanding. Herefter tilsættes der 3,6 dele iseddike, og reaktionsblandingen fortyndes med 300 rumfangsdele vand.
10 Den udfældede forbindelse vaskes grundigt med vand, og der tørres ved ca. 50 "C i vakkumtørreskab. Der fås 21,3 dele = 96% af det teoretiske udbytte af 2-pyridyl-2,8-bis-(trifluormethyl)-4-chinolylketon med smeltepunkt 127-128 °C.
15
EKSEMPEL H
Til en blanding af 170 rumfangsdele tert.-butanol, 11,4 dele 2-pyridyl-2-trifluormethyl-6,8-dichlor-4-chinolincy-20 anomethan (eksempel 6) og 3,5 dele kalium-tert.-butylat ledes under kraftig blanding ved 60 °C luft. Efter afsluttet reaktion tilsættes 3,0 dele iseddike, og reaktionsblandingen fortyndes med 300 rumfangsdele vand. Den udfældede forbindelse frasuges, vaskes med vand og tørres 25 i vakuumtørreskab ved 50 °C. Der fås 10,8 dele = 80% af det teoretiske udbytte af 2-pyridyl-2-trifluormethyl-6,8-dichlor-4-chinolylketon med smeltepunkt 193-194 °C.
EKSEMPEL I 30
Der gås frem som beskrevet i eksempel F, dog anvendes i stedet for 2-pyridyl-2,8-bis-(trifluormethyl)-4-chinolin-cyanomethan 5,0 dele 2-pyridyl-2-trifluormethyl-6,8-di-chlor-4-chinolincyanomethan (eksempel 6). Ved at oparbej-35 de på samme måde fås 4,25 dele = 87,5% af det teoretiske udbytte af 2-pyridyl-2-trifluormethyl-6,8-dichlor-4-chi-nolylketon.
Claims (4)
1. Pyrid-2' -y 1 - 2 -1 r i fluormethyl-chinol-4-ylmethanderiva-5 ter kendetegnet ved, at de har den almene formel «40 io R._/v\ U) l. X X-CF, R1 hvori R·*· betegner et hydrogenatom eller chloratom, og 2 15. betegner en trifluormethylgruppe eller et chloratom.
2. Fremgangsmåde til fremstilling af en pyrid-2' -yl-2-trifluormethyl-quinol-4-yl-keton med formlen IV
20 CO-4 J ys, JL (IV) RI~T Ί V/n^cf· R1 1 2 25 hvori R og R er som ovenfor, kendetegnet ved, at en pyrid-2'-yl-2-trifluormethyl-chinol-4-yl-cyano- methan med formlen NC—ch—C^j) V/'tr D>
12 K hvori R og R er som ovenfor, omsættes som sådan eller som et salt i et polært vandfrit medium i nærværelse af 35 en base under gennemluftning med oxygen eller en oxygen-holdig gas, ved stuetemperatur eller forhøjet temperatur eller behandles med et oxiderende middel i et surt medium.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3038504 | 1980-10-11 | ||
DE19803038504 DE3038504A1 (de) | 1980-10-11 | 1980-10-11 | Neue 4-chinolinmethanderivate, ihre herstellung und verwendung zur darstellung von substanzen mit arzneimittelwirkung |
Publications (2)
Publication Number | Publication Date |
---|---|
DK448981A DK448981A (da) | 1982-04-12 |
DK169435B1 true DK169435B1 (da) | 1994-10-31 |
Family
ID=6114192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK448981A DK169435B1 (da) | 1980-10-11 | 1981-10-09 | 2-Pyridyl-4-chinolylmethanderivater og fremgangsmåde til fremstilling af 2-pyridyl-4-chinolylketoner |
Country Status (7)
Country | Link |
---|---|
US (1) | US4429130A (da) |
EP (1) | EP0049776B1 (da) |
JP (1) | JPS5793961A (da) |
DE (2) | DE3038504A1 (da) |
DK (1) | DK169435B1 (da) |
GR (1) | GR74977B (da) |
HU (1) | HU183612B (da) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HU191508B (en) * | 1982-12-02 | 1987-02-27 | Alkaloida Vegyeszeti Gyar,Hu | Process for preparing new chloromethyl-quinoline derivatives |
HU188235B (en) * | 1982-12-11 | 1986-03-28 | Alkaloida Vegyeszeti Gyar,Hu | Process for producing fluoro-methyl-quinoline derivatives |
EP0137375B1 (de) * | 1983-10-07 | 1990-08-08 | F. Hoffmann-La Roche Ag | Mefloquin-Hydrochlorid |
CH667267A5 (de) * | 1986-05-26 | 1988-09-30 | Mepha Ag | Verfahren zur herstellung von (2,8-bis-(trifluormethyl)-4-chinolyl)-2-pyridinyl-methanon. |
HUT54363A (en) * | 1989-07-25 | 1991-02-28 | Alkaloida Vegyeszeti Gyar | Process for producing pyridyl-methyl-quinolin derivatives |
GB9819382D0 (en) * | 1998-09-04 | 1998-10-28 | Cerebrus Ltd | Chemical compounds I |
US6500955B1 (en) | 2001-02-02 | 2002-12-31 | National Institute Of Pharmaceutical Education And Research | One pot synthesis of [2,8-Bis (trifluoromethyl)-4-quinolinyl]-2-pyridinylmethanone, a mefloquine intermediate |
JP6410995B2 (ja) | 2016-09-20 | 2018-10-24 | 三菱電機株式会社 | 干渉識別装置および干渉識別方法 |
-
1980
- 1980-10-11 DE DE19803038504 patent/DE3038504A1/de not_active Withdrawn
-
1981
- 1981-08-11 GR GR65900A patent/GR74977B/el unknown
- 1981-09-17 EP EP81107340A patent/EP0049776B1/de not_active Expired
- 1981-09-17 DE DE8181107340T patent/DE3171591D1/de not_active Expired
- 1981-09-25 US US06/305,858 patent/US4429130A/en not_active Expired - Lifetime
- 1981-10-09 DK DK448981A patent/DK169435B1/da not_active IP Right Cessation
- 1981-10-09 HU HU812930A patent/HU183612B/hu unknown
- 1981-10-12 JP JP56161085A patent/JPS5793961A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
HU183612B (en) | 1984-05-28 |
DE3171591D1 (en) | 1985-09-05 |
EP0049776A2 (de) | 1982-04-21 |
GR74977B (da) | 1984-07-12 |
JPH0261473B2 (da) | 1990-12-20 |
EP0049776B1 (de) | 1985-07-31 |
JPS5793961A (en) | 1982-06-11 |
US4429130A (en) | 1984-01-31 |
EP0049776A3 (en) | 1982-05-19 |
DE3038504A1 (de) | 1982-06-03 |
DK448981A (da) | 1982-04-12 |
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B1 | Patent granted (law 1993) | ||
PUP | Patent expired |