WO2010045785A1 - 6-取代氨基-3-氰基喹啉类化合物的制备方法及其中间体 - Google Patents
6-取代氨基-3-氰基喹啉类化合物的制备方法及其中间体 Download PDFInfo
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- WO2010045785A1 WO2010045785A1 PCT/CN2009/001176 CN2009001176W WO2010045785A1 WO 2010045785 A1 WO2010045785 A1 WO 2010045785A1 CN 2009001176 W CN2009001176 W CN 2009001176W WO 2010045785 A1 WO2010045785 A1 WO 2010045785A1
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- -1 6-substituted amino-3-cyanoquinoline Chemical class 0.000 title claims abstract description 69
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 239000000543 intermediate Substances 0.000 title abstract description 10
- 150000001875 compounds Chemical class 0.000 claims abstract description 222
- 238000000034 method Methods 0.000 claims abstract description 29
- 239000002904 solvent Substances 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims description 88
- 239000002253 acid Substances 0.000 claims description 38
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 31
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 28
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 27
- 150000003839 salts Chemical class 0.000 claims description 26
- ZMMOYIXZGHJMNI-UHFFFAOYSA-N 3-oxopropanenitrile Chemical compound O=CCC#N ZMMOYIXZGHJMNI-UHFFFAOYSA-N 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 125000003118 aryl group Chemical group 0.000 claims description 23
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 21
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 20
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 claims description 20
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 19
- 125000000217 alkyl group Chemical group 0.000 claims description 17
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 15
- WEVYAHXRMPXWCK-UHFFFAOYSA-N acetonitrile Substances CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 15
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 claims description 15
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims description 13
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000006482 condensation reaction Methods 0.000 claims description 12
- 239000002585 base Substances 0.000 claims description 11
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 11
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 10
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 230000002378 acidificating effect Effects 0.000 claims description 9
- 239000011734 sodium Substances 0.000 claims description 9
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 238000010992 reflux Methods 0.000 claims description 8
- 229910000104 sodium hydride Inorganic materials 0.000 claims description 8
- 229910052783 alkali metal Inorganic materials 0.000 claims description 7
- 150000001340 alkali metals Chemical class 0.000 claims description 7
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 7
- 238000005580 one pot reaction Methods 0.000 claims description 7
- 125000002861 (C1-C4) alkanoyl group Chemical group 0.000 claims description 6
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims description 6
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 claims description 6
- 125000006374 C2-C10 alkenyl group Chemical group 0.000 claims description 6
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 claims description 6
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 6
- 125000000623 heterocyclic group Chemical group 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims description 5
- WBOXEOCWOCJQNK-UHFFFAOYSA-N 3,3-diethoxypropanenitrile Chemical compound CCOC(CC#N)OCC WBOXEOCWOCJQNK-UHFFFAOYSA-N 0.000 claims description 5
- 238000005984 hydrogenation reaction Methods 0.000 claims description 5
- 229910052700 potassium Inorganic materials 0.000 claims description 5
- 239000011591 potassium Substances 0.000 claims description 5
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 125000002252 acyl group Chemical group 0.000 claims description 4
- 125000006615 aromatic heterocyclic group Chemical group 0.000 claims description 4
- 125000005842 heteroatom Chemical group 0.000 claims description 4
- 150000002431 hydrogen Chemical group 0.000 claims description 4
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 claims description 4
- 238000006722 reduction reaction Methods 0.000 claims description 4
- 238000007363 ring formation reaction Methods 0.000 claims description 4
- 125000000027 (C1-C10) alkoxy group Chemical group 0.000 claims description 3
- 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 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- 125000003342 alkenyl group Chemical group 0.000 claims description 3
- 125000003545 alkoxy group Chemical group 0.000 claims description 3
- 125000003435 aroyl group Chemical group 0.000 claims description 3
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 3
- 125000001589 carboacyl group Chemical group 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 238000006396 nitration reaction Methods 0.000 claims description 3
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 3
- JYHSJQNYYLGMEI-UHFFFAOYSA-N 3,3-dimethoxypropanenitrile Chemical compound COC(OC)CC#N JYHSJQNYYLGMEI-UHFFFAOYSA-N 0.000 claims description 2
- GSNUFIFRDBKVIE-UHFFFAOYSA-N DMF Natural products CC1=CC=C(C)O1 GSNUFIFRDBKVIE-UHFFFAOYSA-N 0.000 claims description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims description 2
- 238000007098 aminolysis reaction Methods 0.000 claims description 2
- 238000005660 chlorination reaction Methods 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- UKVIEHSSVKSQBA-UHFFFAOYSA-N methane;palladium Chemical compound C.[Pd] UKVIEHSSVKSQBA-UHFFFAOYSA-N 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 claims 1
- 125000006527 (C1-C5) alkyl group Chemical group 0.000 claims 1
- 229910019142 PO4 Inorganic materials 0.000 claims 1
- 229910021626 Tin(II) chloride Inorganic materials 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- 230000037429 base substitution Effects 0.000 claims 1
- 239000012046 mixed solvent Substances 0.000 claims 1
- 150000002923 oximes Chemical class 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 1
- 239000010452 phosphate Substances 0.000 claims 1
- 239000001119 stannous chloride Substances 0.000 claims 1
- 235000011150 stannous chloride Nutrition 0.000 claims 1
- 229940126062 Compound A Drugs 0.000 abstract description 30
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 abstract description 30
- 238000009835 boiling Methods 0.000 abstract description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 75
- SMWDFEZZVXVKRB-UHFFFAOYSA-N anhydrous quinoline Natural products N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 41
- 235000019439 ethyl acetate Nutrition 0.000 description 32
- 239000007787 solid Substances 0.000 description 16
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 14
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 12
- 239000000203 mixture Substances 0.000 description 12
- 239000011541 reaction mixture Substances 0.000 description 10
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- 238000005481 NMR spectroscopy Methods 0.000 description 8
- MTZQAGJQAFMTAQ-UHFFFAOYSA-N ethyl benzoate Chemical compound CCOC(=O)C1=CC=CC=C1 MTZQAGJQAFMTAQ-UHFFFAOYSA-N 0.000 description 8
- 150000004702 methyl esters Chemical class 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 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 7
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000010626 work up procedure Methods 0.000 description 7
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 6
- PQLXALKWGGKXPW-UHFFFAOYSA-N 4-(dimethylamino)but-3-enenitrile Chemical compound [H]C(=CC([H])([H])C#N)N(C([H])([H])[H])C([H])([H])[H] PQLXALKWGGKXPW-UHFFFAOYSA-N 0.000 description 5
- GQHTUMJGOHRCHB-UHFFFAOYSA-N DBU Substances C1CCCCN2CCCN=C21 GQHTUMJGOHRCHB-UHFFFAOYSA-N 0.000 description 5
- 229960000583 acetic acid Drugs 0.000 description 5
- 235000019441 ethanol Nutrition 0.000 description 5
- 239000005457 ice water Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000000967 suction filtration Methods 0.000 description 5
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 4
- NAUUVSRKGJYHGT-UHFFFAOYSA-N methyl 5-acetamido-2-amino-4-ethoxybenzoate Chemical compound CCOC1=CC(N)=C(C(=O)OC)C=C1NC(C)=O NAUUVSRKGJYHGT-UHFFFAOYSA-N 0.000 description 4
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical group ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- 150000001558 benzoic acid derivatives Chemical class 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 238000010828 elution Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- SUDAUWMVRKOWIM-UHFFFAOYSA-N methyl 3-acetamido-4-ethoxybenzoate Chemical compound CCOC1=CC=C(C(=O)OC)C=C1NC(C)=O SUDAUWMVRKOWIM-UHFFFAOYSA-N 0.000 description 3
- JWNPDZNEKVCWMY-VQHVLOKHSA-N neratinib Chemical compound C=12C=C(NC(=O)\C=C\CN(C)C)C(OCC)=CC2=NC=C(C#N)C=1NC(C=C1Cl)=CC=C1OCC1=CC=CC=N1 JWNPDZNEKVCWMY-VQHVLOKHSA-N 0.000 description 3
- 229950008835 neratinib Drugs 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- QCQCHGYLTSGIGX-GHXANHINSA-N 4-[[(3ar,5ar,5br,7ar,9s,11ar,11br,13as)-5a,5b,8,8,11a-pentamethyl-3a-[(5-methylpyridine-3-carbonyl)amino]-2-oxo-1-propan-2-yl-4,5,6,7,7a,9,10,11,11b,12,13,13a-dodecahydro-3h-cyclopenta[a]chrysen-9-yl]oxy]-2,2-dimethyl-4-oxobutanoic acid Chemical compound N([C@@]12CC[C@@]3(C)[C@]4(C)CC[C@H]5C(C)(C)[C@@H](OC(=O)CC(C)(C)C(O)=O)CC[C@]5(C)[C@H]4CC[C@@H]3C1=C(C(C2)=O)C(C)C)C(=O)C1=CN=CC(C)=C1 QCQCHGYLTSGIGX-GHXANHINSA-N 0.000 description 2
- OEJAMJYEHJNEQO-UHFFFAOYSA-N CCOC1=CC(NC=CC#N)=C(C(=O)OC)C=C1NC(C)=O Chemical compound CCOC1=CC(NC=CC#N)=C(C(=O)OC)C=C1NC(C)=O OEJAMJYEHJNEQO-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000002330 electrospray ionisation mass spectrometry Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012362 glacial acetic acid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- QPJVMBTYPHYUOC-UHFFFAOYSA-N methyl benzoate Chemical compound COC(=O)C1=CC=CC=C1 QPJVMBTYPHYUOC-UHFFFAOYSA-N 0.000 description 2
- AICOOMRHRUFYCM-ZRRPKQBOSA-N oxazine, 1 Chemical compound C([C@@H]1[C@H](C(C[C@]2(C)[C@@H]([C@H](C)N(C)C)[C@H](O)C[C@]21C)=O)CC1=CC2)C[C@H]1[C@@]1(C)[C@H]2N=C(C(C)C)OC1 AICOOMRHRUFYCM-ZRRPKQBOSA-N 0.000 description 2
- 235000015320 potassium carbonate Nutrition 0.000 description 2
- 235000011181 potassium carbonates Nutrition 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 2
- 239000012265 solid product Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- MHCVCKDNQYMGEX-UHFFFAOYSA-N 1,1'-biphenyl;phenoxybenzene Chemical compound C1=CC=CC=C1C1=CC=CC=C1.C=1C=CC=CC=1OC1=CC=CC=C1 MHCVCKDNQYMGEX-UHFFFAOYSA-N 0.000 description 1
- 125000001731 2-cyanoethyl group Chemical group [H]C([H])(*)C([H])([H])C#N 0.000 description 1
- CVBMHBIZSHGSRG-UHFFFAOYSA-N 4-aminobut-3-enenitrile Chemical compound [H]C(C#N)C([H])=C([H])N CVBMHBIZSHGSRG-UHFFFAOYSA-N 0.000 description 1
- SFHYNDMGZXWXBU-LIMNOBDPSA-N 6-amino-2-[[(e)-(3-formylphenyl)methylideneamino]carbamoylamino]-1,3-dioxobenzo[de]isoquinoline-5,8-disulfonic acid Chemical compound O=C1C(C2=3)=CC(S(O)(=O)=O)=CC=3C(N)=C(S(O)(=O)=O)C=C2C(=O)N1NC(=O)N\N=C\C1=CC=CC(C=O)=C1 SFHYNDMGZXWXBU-LIMNOBDPSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 206010006187 Breast cancer Diseases 0.000 description 1
- 208000026310 Breast neoplasm Diseases 0.000 description 1
- KCBAMQOKOLXLOX-BSZYMOERSA-N CC1=C(SC=N1)C2=CC=C(C=C2)[C@H](C)NC(=O)[C@@H]3C[C@H](CN3C(=O)[C@H](C(C)(C)C)NC(=O)CCCCCCCCCCNCCCONC(=O)C4=C(C(=C(C=C4)F)F)NC5=C(C=C(C=C5)I)F)O Chemical compound CC1=C(SC=N1)C2=CC=C(C=C2)[C@H](C)NC(=O)[C@@H]3C[C@H](CN3C(=O)[C@H](C(C)(C)C)NC(=O)CCCCCCCCCCNCCCONC(=O)C4=C(C(=C(C=C4)F)F)NC5=C(C=C(C=C5)I)F)O KCBAMQOKOLXLOX-BSZYMOERSA-N 0.000 description 1
- 206010009944 Colon cancer Diseases 0.000 description 1
- 208000001333 Colorectal Neoplasms Diseases 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- VNQABZCSYCTZMS-UHFFFAOYSA-N Orthoform Chemical compound COC(=O)C1=CC=C(O)C(N)=C1 VNQABZCSYCTZMS-UHFFFAOYSA-N 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 150000001241 acetals Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 239000002246 antineoplastic agent Substances 0.000 description 1
- 229940041181 antineoplastic drug Drugs 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229940125833 compound 23 Drugs 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- LGSRNCBSAAHLEF-UHFFFAOYSA-N ethyl 3-acetamido-4-ethoxybenzoate Chemical compound CCOC(=O)C1=CC=C(OCC)C(NC(C)=O)=C1 LGSRNCBSAAHLEF-UHFFFAOYSA-N 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- SUNFXTJKUZVRCZ-UHFFFAOYSA-N methyl 5-acetamido-4-ethoxy-2-nitrobenzoate Chemical compound CCOC1=CC([N+]([O-])=O)=C(C(=O)OC)C=C1NC(C)=O SUNFXTJKUZVRCZ-UHFFFAOYSA-N 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- 208000002154 non-small cell lung carcinoma Diseases 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000012450 pharmaceutical intermediate Substances 0.000 description 1
- FCJSHPDYVMKCHI-UHFFFAOYSA-N phenyl benzoate Chemical compound C=1C=CC=CC=1C(=O)OC1=CC=CC=C1 FCJSHPDYVMKCHI-UHFFFAOYSA-N 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 208000029729 tumor suppressor gene on chromosome 11 Diseases 0.000 description 1
- 229940121358 tyrosine kinase inhibitor Drugs 0.000 description 1
- 239000005483 tyrosine kinase inhibitor Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C229/52—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton
- C07C229/54—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton with amino and carboxyl groups bound to carbon atoms of the same non-condensed six-membered aromatic ring
- C07C229/64—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton with amino and carboxyl groups bound to carbon atoms of the same non-condensed six-membered aromatic ring the carbon skeleton being further substituted by singly-bound oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C237/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups
- C07C237/28—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a non-condensed six-membered aromatic ring of the carbon skeleton
- C07C237/30—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a non-condensed six-membered aromatic ring of the carbon skeleton having the nitrogen atom of the carboxamide group bound to hydrogen atoms or to acyclic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
- C07C255/30—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and singly-bound nitrogen atoms, not being further bound to other hetero atoms, bound to the same unsaturated acyclic carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/48—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
- C07D215/54—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 3
- C07D215/56—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 3 with oxygen atoms in position 4
Definitions
- the present invention relates to a process for preparing a 6-substituted amino-3-cyanoquinoline compound (hereinafter referred to as Compound A) and an intermediate thereof, and to a process for producing these intermediates. More specifically, it relates to a compound of the formula ⁇ shown in the following formula, a process for its preparation, an intermediate in the preparation process, and its use for the preparation of a compound oxime. Background technique
- 6-Substituted amino-3-cyanoquinoline (compound of formula A;) is an important pharmaceutical intermediate and an important intermediate for the preparation of 3,4-disubstituted quinoline compounds.
- HKI-272 6-substituted amino-4-hydroxy-3-cyanoquinoline (compound A1) and 6-substituted amino-4-chloro-3-cyanoquinoline (compound A2) are prepared as HKI-272 (the structural formula is as follows; An important intermediate, HKI-272 is an irreversible small molecule tyrosine kinase inhibitor (Journal of Medicinal Chemistry, 46 (1): 49-63), effective for the treatment of colorectal cancer, breast cancer and non-small cell lung cancer, ⁇ After entering the clinical research stage, it is likely to become a new anti-tumor drug with better market prospects. Therefore, optimizing the synthesis process of Compound A has important practical value.
- the key synthetic step of compound A lies in the formation of the quinoline parent ring, and the synthesis of the quinoline parent ring requires high temperature conditions, such as heating compound B in a high boiling solvent to 240 ° C - 260 ° C reaction 10-20 Hour (see Reaction Scheme I below) (WO03093241, WO2005065181, CN101012225).
- the reaction conditions used are harsh and high temperature The conditions are easy to cause degradation of the product, many by-products, low purity, and the reaction yield of this step is low, only about 40%.
- the volatilization of high boiling solvents such as Dowtherm A at high temperatures inevitably adversely affects the working environment and the health of the operator, and is polluting the environment. Therefore, it is particularly urgent to find a preparation method which is mild in conditions, high in yield, low in environmental pollution, and suitable for industrial production.
- the present invention provides a compound represented by the following formula: Where ⁇ is OR or ⁇ 2 ;
- R is hydrogen, a linear or branched alkyl group of C1-C10, an alkenyl group of C2 C5, an aryl or aryl substituted C1 C5 fluorenyl group;
- R 2 are the same or different from each other, H, formyl, C1 C10 alkyl, C2 C10 alkenyl, aryl, aryl substituted C1 C10 alkyl, C1 C10 alkanoyl, aroyl (Ar-C), An aryl-substituted C1 C10 alkanoyl group, a C1 C10 alkoxycarbonyl group or an aryl-substituted C1 C10 alkoxycarbonyl group;
- the heterocyclic group is optionally substituted by a C1 C10 alkyl group or a C1 C10 alkoxy group;
- the aryl group is a phenyl or an aromatic heterocyclic group, and an aromatic heterocyclic group such as thiazolyl, pyrazolyl, pyridyl or imidazole is defined herein below, and the C1 C10 alkanoyl group means that the alkyl group thereof may be An alkyl group having 1 to 10 carbon atoms, and a C1 C10 alkoxycarbonyl group, wherein the alkyl group may be an alkyl group having 1 to 10 carbon atoms, a similar group should be understood as above.
- ⁇ is OR or ⁇ 2 ; and more preferably OR;
- R is a linear or branched alkyl group of C1 C4, a benzyl group or a phenyl group, more preferably a methyl group, an ethyl group or a phenyl group; and is a 1,1 formyl group, a C1 C4 alkanoyl group or a C1 C4 alkyl group, more preferably Is 11, formyl, acetyl, methyl or ethyl;
- R 3 is an integer of C1 C5 alkyl, phenyl, n W or, Alkyl is C1 C5 alkyl, and R 3 is more preferably methyl , ethyl, leaf CH 2 N-CH 3
- the compound represented by the above formula ⁇ is most preferably the following compound:
- the present invention provides a process for the preparation of a compound of the formula ⁇ , which comprises: a compound represented by the formula ( ⁇ ) or an acid addition salt thereof and a cyanoacetaldehyde are subjected to a condensation reaction to obtain a pass a compound of the formula ⁇ ;
- the compound of the formula (11) or an acid addition salt thereof is reacted with the precursor compound (IV) or (V) of cyanoacetaldehyde to obtain a compound of the formula (1;);
- the compound (VI) forms cyanoacetaldehyde under certain reaction conditions or in the presence of a catalyst, and the obtained cyanoacetaldehyde is directly separated from the compound of the formula (II) or its acid addition without isolation.
- the salt is subjected to a condensation reaction to obtain a compound of the formula (I);
- R 2 and R 3 in the formula (11) have the same meanings as defined above, and the acid addition salt of the compound represented by the formula (11) is a mineral acid salt thereof such as a hydrochloride, a sulfate or a phosphoric acid.
- the precursor compound (IV) or (V) of cyanoacetaldehyde has the following structure:
- Y is O or NR 5 ;
- R 5 is each H or C 1 C 5 alkyl, or R 5 may be bonded to a 5 to 7 membered ring, and the 5 to 7 membered ring may contain 0, N, S, etc. atom.
- the compound (IV) is cyanoacetaldehyde diethyl acetal, cyanoacetaldehyde dimethyl acetal or 1,3-dioxolanyl-2-acetonitrile;
- the compound (V) is 3-dimethylamino- 2-Acrylonitrile or 3-morpholinyl-2-propene cyanide.
- the compound (VI) is a compound which can be reacted to obtain cyanoacetaldehyde, and is preferably , . eCN I 50% sodium hydride
- MeOH I is a commercially available chemical starting material for cyanoacetaldehyde and compounds (IV), (V), (VI), or may be prepared by reference to literature methods.
- the compound of the formula (II) can be obtained by subjecting a compound of the formula (III) to a nitro reduction reaction.
- the reducing condition may be: reacting with hydrogen in the presence of a hydrogenation catalyst, the hydrogenation catalyst may be palladium carbon, active nickel or Pt0 2 ; or: adding a reducing agent, for example, adding iron powder, zinc powder or chloride tin. Its reaction formula is as follows:
- the substituted benzoate (VII) can be purchased commercially or by methods reported in the literature. For specific nitration methods, reference can be made to Example 1.
- the compound of the formula (III) can be obtained by subjecting a compound of the formula (III) wherein Z is OCH 3 to aminolysis.
- Compound (IV) or Compound (V) is first hydrolyzed to form cyanoacetaldehyde; and then cyanoacetaldehyde is further subjected to condensation reaction with a compound of the formula (II) or an acid addition salt thereof to obtain a formula (I). ) Compound.
- the hydrolysis reaction is preferably an acidic condition, and the acidic condition is preferably in the presence of trifluoroacetic acid, hydrochloric acid or sulfuric acid, and the reaction temperature of the condensation reaction is generally in the range of from -20 ° C to reflux.
- the compound (IV) or the compound (V) is mixed with the compound of the formula (II) or an acid addition salt thereof, and reacted in one pot to obtain a compound of the formula (I).
- the reaction condition may be acidic or neutral conditions, wherein the acidic condition is preferably in the presence of trifluoroacetic acid, acetic acid or p-toluenesulfonic acid, and the reaction temperature is generally in the range of -20 ° C to reflux, and the solvent is preferably acetic acid or ethanol. , water, chloroform, chlorobenzene or a mixture thereof.
- a compound of the formula (I) can also be obtained by a condensation reaction of a cyanoacetaldehyde directly with a compound of the formula (11) or an acid addition salt thereof.
- the above methods (1) and (2) 0 are particularly preferred for the compound (V) in the presence of glacial acetic acid or p-toluenesulfonic acid.
- the compound of the formula (I) can be obtained in a high yield by a reaction of the compound (II) or an acid addition salt thereof in a yield of up to 95%, and the reaction temperature is in the range of from -20 ° C to reflux.
- the present invention also provides the use of a compound of the formula ⁇ , characterized in that
- the compound of the formula (I) is prepared by the following method using a compound of the formula (I):
- the base is selected from the group consisting of an organic base and an inorganic base, for example, 1,8-diazabicyclo[5.4.0] ⁇ ⁇ —Carbon-7-ene (DBU), potassium t-butoxide, NaH, NaOH, KOH, sodium alkoxide, potassium alkoxide, potassium carbonate, pyridine or 4-dimethylaminopyridine (DMAP), but not limited to the above base More preferably, sodium alkoxide, NaOH, NaH, DBU, potassium t-butoxide or potassium carbonate.
- DBU 1,8-diazabicyclo[5.4.0] ⁇ ⁇ —Carbon-7-ene
- DMAP 4-dimethylaminopyridine
- the alkali metal includes lithium, sodium, potassium, rubidium, etc., preferably sodium or potassium.
- the reaction temperature ranges from room temperature to reflux.
- the solvent is preferably methanol, ethanol, tert-butanol, acetonitrile, DMF, toluene or chlorobenzene, but is not limited to the above solvents.
- the method for preparing the compound A by using the compound (I) can avoid the use of high temperature conditions, avoid the use of a high boiling point solvent, and is environmentally friendly and safe, compared with the literature method which is existing.
- the compound (I) can be obtained from industrial raw materials in a convenient and high yield.
- Reagents and catalysts are commonly used industrial raw materials, avoiding the use of highly toxic solvents, and the raw materials are cheap and easy to obtain, convenient after treatment, simple in operation, low in production cost, and suitable for industrial production.
- the present invention realizes a completely new synthetic route of a 6-substituted amino-3-cyanoquinoline compound, which is mild in condition, simple in operation, safe and effective.
- detailed description The invention is further illustrated by the following examples, which are merely used to illustrate the preferred embodiments of the invention, and are not intended to limit the invention.
- the temperatures and reagents employed in the following examples can be replaced with the corresponding temperatures and reagents described above to achieve the objectives of the present invention.
- nuclear magnetic resonance was measured by a Bruker AMX-400 nuclear magnetic resonance spectrometer, TMS was an internal standard, and chemical shifts were in ppm.
- Methyl 3-acetamido-4-ethoxybenzoate (commercially available at the same time, commercially available as starting material 3-amino-4-hydroxybenzoic acid methyl ester according to the methods of WO2005034955A1 and WO2006127207) 95.0 g, 0.4 mol) dissolved in nitromethane (1300 mL), added fuming nitric acid (10.0 mL, 0.24 mol), stirred at room temperature for 1 h, then added fuming nitric acid (38.0 mL, 0.9 mol) at 30 ° C After stirring for 2 h, the reaction was completed.
- the reaction solution was poured into a solution of sodium carbonate (80.0 g, 0.75 mol) (1200 mL), stirred, and dichloromethane (100 mL) was added, and the organic layer was washed with water, dried and evaporated to give a pale yellow solid.
- the title compound was 110.5 g, yield 98.0%.
- Methyl 3-acetamido-4-ethoxybenzoate (95.0 g, 0.4 mol) was placed in a reaction flask, CH 2 C1 2 (600 mL) was added, and fuming HN0 3 (1.2-3.2 mol) was added. The reaction mixture is poured into ice water, and the solid is precipitated, stirred well, filtered, washed with water, and dried to give the title compound.
- Trifluoroacetic acid 70 mL
- water 1 lmL, 0.6 mol
- cyanoacetaldehyde diethyl acetal 23 mL
- Example 3 Compound II, methyl 4-ethoxy-5-acetamido-2-aminobenzoate (30 g, 0.12 mol) was suspended in ethyl acetate (400 mL). In the solution 1 obtained in the step, the reaction solution is first clarified and then suspended, and reacted at room temperature for 3 to 5 hours, and the reaction is completed. The title compound (35 g,yield: 96%) was obtained.
- Trifluoroacetic acid 60 mL
- water 10 mL
- cyanoacetaldehyde diethyl acetal 20 mL, 0.133 mol, commercially available
- the title compound of Example 3 (Compound II, methyl 4-ethoxy-5-acetamido-2-aminobenzoate) (30 g, 0.12 mol) was suspended in ethyl acetate (700 mL).
- the solution 1 obtained in the step was reacted at room temperature for 5 hours, and the reaction was completed.
- the title compound was obtained as a white powder (yield: 91%).
- Example 7 6-Acetyl 3 ⁇ 43 ⁇ 4-7-ethoxy-3-cyano-4 quinoline (Compound A, W ⁇ S)
- the title compound of Example 4 (Compound I, 2-[(2-) (Cyanovinyl)amino]-4-ethoxy-5-acetamidobenzoic acid methyl ester) (30 g, 0.1 mol), NaOH (8 g, 0.2 mol) suspended in absolute ethanol (100 mL), N 2 gas protection, reaction at 60 ° C for 10 h, the reaction was completed. The reaction mixture was cooled to 40-50 ° C, diluted with water (1500 mL), EtOAc (EtOAc) EtOAc (EtOAc) 80%. The structure of the product was confirmed by TLC and hydrogen spectroscopy, which was consistent with the reported values in the literature.
- Example 4 The title compound of Example 4 (Compound I, methyl 2-[(2-cyanovinyl;)amino]-4-ethoxy-5-acetamidobenzoate) (15 g, 0.05 mol) was suspended in acetonitrile (300 mL, dried over P 2 0 5 treatment) was added DBU (15mL, O. lmol), N 2 protection refluxed 14 ⁇ 20h, the reaction was complete. The workup was the same as in Example 7, and the yield was 85%.
- Example 10 6-Acetyl 3 ⁇ 43 ⁇ 4-7-ethoxy-3-cyano-4 ⁇ 3 ⁇ 4S quinoline (Compound A, W ⁇ S)
- the title compound of Example 4 (Compound I, (2-[(2-) Cyanovinyl;)amino]-4-ethoxy-5-acetamidobenzoic acid methyl ester) (15g, 0.05mol), K 2 C0 3 (0.1mol), DMF (100 mL), N 2
- the reaction was allowed to react at 100 ° C for 12 h, and the reaction was completed.
- the workup was the same as in Example 7, yield 80%.
- Example 4 The title compound of Example 4 (Compound I, methyl 2-((2-cyanovinyl))amino]-4-ethoxy-5-acetamidobenzoate) (15 g, 0.05 mol) was suspended In acetonitrile GOOmL, dried by P 2 0 5 ), added with NaOH (0.1 mol), protected with N 2 , refluxed for 8 h, and the reaction was completed. The workup was the same as in Example 7, and the yield was 89%.
- Example 12 6-Acetyl 3 ⁇ 43 ⁇ 4-7-ethoxy-3-cyano-4 ⁇ 3 ⁇ 4S quinoline (Compound A, W ⁇ S)
- the title compound of Example 4 (Compound I, (2-[ (2-Cyanovinyl)amino]-4-ethoxy-5-acetamidobenzoic acid methyl ester) (30g, 0.1mol), K2CO3 (0.25mol), absolute ethanol (100mL) mixed, back The reaction was carried out for 18 hours, and the workup was the same as in Example 7. The yield was 87%.
- Example 13 6-Acetyl 3 ⁇ 43 ⁇ 4-7-ethoxy-3-cyano-4 ⁇ 3 ⁇ 4S quinoline (Compound A, W ⁇ S)
- the title compound of Example 4 (Compound I, (2-[(2-) Cyanovinyl; (amino) -4-ethoxy-5-acetamidobenzoic acid methyl ester) (15 g, 0.05 mol) suspended in absolute ethanol (300 mL), NaOH (0.1 mol), N 2 Protection, reflux reaction for 2 h, complete reaction.
- the workup was the same as in Example 7, yield 88%.
- Example 14 6-Acetyl 3 ⁇ 43 ⁇ 4-7-ethoxy-3-cyano-4 ⁇ 3 ⁇ 4S quinoline (Compound A, W ⁇ S)
- the title compound of Example 4 (Compound I, 2-[(2-Cyanide) Base vinyl;) amino] -4-ethoxy-5-acetamidobenzoic acid methyl ester) (15g, 0.05mol) suspended in absolute ethanol (300mL), added with NaOH (O.lmol), N 2 protection The reaction was carried out at 60 ° C for 10 h, and the reaction was completed. The workup was the same as in Example 7, and the yield was 85%.
- Trifluoroacetic acid 60 mL and water (10 mL) were mixed at room temperature, and cyanoacetaldehyde diethyl acetal (20 mL, 0.133 mol, commercially available) was added, and the mixture was reacted at room temperature for 9 hours to obtain a solution 1.
- the title compound (26 g, 0.1 mol) of Example 15 was suspended in ethyl acetate (400 mL) at room temperature, and the solution 1 obtained in the above step was added.
- the reaction solution was first clarified and then suspended, and reacted at room temperature for 12 hours. The reaction is over.
- the title compound 28g was obtained by suction filtration, ethyl acetate and dried to give white powder.
- Trifluoroacetic acid 60 mL
- water 10 mL
- 1,3-dioxolanyl-2-acetonitrile (0.13 mol) was added (purchased or prepared according to the method of JP06087781A), and reacted at room temperature for 9 h.
- Solution 1 was obtained.
- the title compound (26 g, 0.1 mol) of Example 15 was suspended in ethyl acetate (400 mL), and the solution obtained in the above step was added, and the mixture was reacted at room temperature for 12 hours, and the reaction was completed.
- Example 15 The title compound of Example 15 (26 g, 0.1 mol) was added to ethylene glycol dimethyl ether (400 mL) at room temperature, followed by 3-dimethylamino-2-propenyl cyanide (market purchase or according to the literature Synthesis, 1986, 5, 419-20 Method Preparation) (0.13 mol), reacted at room temperature for 12 h, and the reaction was completed.
- Example 3 The title compound of Example 3 (26 g, 0.1 mol) was added to acetic acid (400 mL) Amino-2-propenyl cyanide (prepared commercially or prepared by the method of Synthesis, 1986, 5, 419-20) (0.13 mol), reacted at room temperature for 12 h, and the reaction was completed. The title compound (25.3 g,yield: 81%)
- Example 15 The title compound (26 g, 0.1 mol) of Example 15 was suspended in ethyl acetate (400 mL), and cyanoacetaldehyde (0.13 mol) was added. The reaction mixture became clear and then suspended, and reacted at room temperature for 12 h. . The title compound (28.5 g, mp.
- Example 3 The title compound of Example 3 (30 g, 0.12 mol) was suspended in ethyl acetate (400 mL), and cyanoacetal acetal (23 mL, 0.15 mol, commercially available), trifluoroacetic acid (70 mL) and Water (llmL, 0.6 mol). The reaction was carried out at room temperature for 10 to 12 hours, and the reaction was completed. The title compound was obtained as a white powder (yield: >90%).
- Example 4 The title compound of Example 4 (Compound I, methyl 2-[(2-cyanovinyl)amino]-4-ethoxy-5-acetamidobenzoate) (30 g, 0.1 mol) K2CO3 (0.25 mol) and absolute ethanol (100 mL) were mixed and refluxed for 10 hours. The workup was the same as in Example 7. The obtained product was dissolved in ethylene glycol dimethyl ether, and phosphorus oxychloride (22 mL) was added thereto, and the mixture was reacted at 80 ° C (external temperature).
- Example 3 The title compound ( lkg, 4 mol) of Example 3 was added to glanic acid (9000 mL), and then evaporated. Again 3-Dimethylamino-2-propenyl cyanide (600 mL, 6 mol) was added and stirred at 25-30 °C. A large amount of grayish yellow solid is gradually formed. The reaction was continued for 1-2 h and the reaction was completed. After TLC was used to detect no material, it was diluted with 50 L of water, filtered, and dried to give the title compound 1.14 kg, yield 94.8%.
- Example 28 6-Acetyl 3 ⁇ 43 ⁇ 4-7-ethoxy-3-cyano-4 ⁇ 3 ⁇ 4S quinoline (Compound A, W ⁇ S) Adding a metal block of Na (10.6 g, 0.461 mol) to 1500 mL of absolute ethanol , stir and dissolve completely. The title compound (100 g, 0.354 mol) of Example 27 was added, and the reaction mixture was reacted at 75 ° C. The reaction solution was quickly dissolved. After about 1.5 h, TLC showed the reaction was completed, and the temperature was naturally lowered to about 50 ° C. The title compound was obtained as a tan solid (yield: 91.6%).
- Example 28 The compound of Example 28 (23 g, 0.0857 mol) was added to 400 mL of diethylene glycol dimethyl ether, and then P0C1 3 was added.
- Example 3 The title compound of Example 3 (2 g, 0.00793 mol) was mixed with anhydrous ethanol (40 mL) and p-TsOH-H 2 0 (750 mg), and stirred at room temperature to dissolve substantially. 3-Dimethylamino-2-propenyl cyanide (1.1 mL, 0.011 mol) was added, and a solid was formed after 30 min. After 1.5 h, p-TsOH.H 2 0 850 mg was added, and the reaction was continued, and the reaction was monitored by TLC. After the completion of the reaction, the mixture was filtered under suction to give a solid, 1.68 g.
- Example 3 The title compound of Example 3 (2.9 g, 0.01 mol) was dissolved in methanol (20 mL), and 36% concentrated hydrochloric acid (0.84 mL) was added dropwise, and the mixture was stirred at room temperature for 10 min. The hydrochloride salt was added to glacial acetic acid (25 mL) and stirred and evaporated at room temperature. 3-Dimethylamino-2-propenyl cyanide (1.5 mL, 0.015 mol) was added. Gradual solid product precipitates. The reaction was continued for 1 hour, and the title compound was 2.7 g (yield: 90%).
- Example 39 6-Acetyl 3 ⁇ 43 ⁇ 4-7-ethoxy-3-cyano-4 ⁇ 3 ⁇ 4S quinoline (Compound A, W ⁇ S)
- the title compound of Example 27 (3.03 g, O. Olmol) was added at room temperature.
- Into tert-butanol (30mL) add Add potassium tert-butoxide (1.44g, 0.015mol), heat to 80 °C for 2 hours, TLC detection without raw materials, concentrate dry t-butanol, add water 30 mL, adjust pH to 3 ⁇ 4 with 4M hydrochloric acid, precipitate Solid, filtered and dried to give the title compound 2.4 g.
- Phenyl 3-acetamido-4-ethoxybenzoate (commercially available) (5.0 g, 16.7 mmol) was dissolved in dichloromethane (40 mL) at ambient temperature, and 95% fuming nitric acid (2.8 mL) was added. , 63.3 mmol), stirred at 25 ° C for 2 h, the reaction was completed. The reaction solution was washed with water and an aqueous sodium hydrogencarbonate solution, dried and evaporated. The obtained brown solid was dissolved in methanol (75 mL), activated nickel was added, and hydrogenation was carried out at room temperature under normal pressure until hydrogen was no longer absorbed. Filtration and evaporation of the solvent gave the title compound 4.43 g.
- Example 40 The title compound of Example 40 (3.14 g, 0.01 mol) was added to glanic acid (25 mL). 3-morpholinyl-2-propene cyanide (2.1 g, 0.015 mol, commercially available) was added. After reacting for 1.5 hours, the title compound was obtained as a pale yellow solid (yield: 90.1%).
- Example 42 6-Acetyl J3 ⁇ 43 ⁇ 4-7-ethoxy-3-cyano-4 ⁇ 3 ⁇ 4S quinoline (Compound A, W ⁇ S) 60% NaH (82 mg, 2.05 mmol) was added to DMSO under ice bath conditions ( The title compound (0.5 g, 1.37 mmol) of Example 41 was added portionwise, and the mixture was stirred at room temperature for 2 hours. After TLC was used to detect no material, the reaction solution was poured into 10 mL of water, using 4 M. The pH of HCl was adjusted to 3-4, and suction filtration gave a pale yellow solid. Filtration and drying gave the title compound 0.35 g, yield: 94.3%.
- Example 43 4-Ethoxy-5-acetyl 3 ⁇ 43 ⁇ 4-2-benzamide (Compound of Formula III)
- Example 2 The title compound of Example 1 (0.5 g, 1.77 mmol) was added to a 25 mL single-necked flask, and 15 mL of aqueous ammonia was added thereto, and the reaction was stirred at room temperature overnight. After the reaction was completed by TLC, filtered, washed with water and dried to give a pale yellow solid. The yield is 90%.
- Example 44 The title compound of Example 44 (100 mg, 0.421 mmol) was added to a 10 mL single-necked flask, and then added with 3 mL of ethyl acetate, stirred and suspended, and the freshly prepared cyanoacetaldehyde was added, and the solution immediately became clarified. The yellow-brown solution was subjected to TLC for basic reaction, suction filtration, and dried to give 82 mg of solid. Yield: 68 %.
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US6143208A (en) * | 1991-06-25 | 2000-11-07 | Rolic Ag | Optical element and compounds used in its manufacture |
CN101012225A (zh) * | 2007-02-01 | 2007-08-08 | 中国药科大学 | 3-氰基喹啉衍生物、其制备方法及其医药用途 |
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CN101012225A (zh) * | 2007-02-01 | 2007-08-08 | 中国药科大学 | 3-氰基喹啉衍生物、其制备方法及其医药用途 |
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CN102123981B (zh) | 2014-10-01 |
US8481741B2 (en) | 2013-07-09 |
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