WO2003048111A1 - Process for producing 5-(3-cyanophenyl)-3-formylbenzoic acid compound - Google Patents
Process for producing 5-(3-cyanophenyl)-3-formylbenzoic acid compound Download PDFInfo
- Publication number
- WO2003048111A1 WO2003048111A1 PCT/JP2001/010521 JP0110521W WO03048111A1 WO 2003048111 A1 WO2003048111 A1 WO 2003048111A1 JP 0110521 W JP0110521 W JP 0110521W WO 03048111 A1 WO03048111 A1 WO 03048111A1
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- WO
- WIPO (PCT)
- Prior art keywords
- compound
- acid compound
- formula
- cyanophenyl
- represented
- Prior art date
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- -1 5-(3-cyanophenyl)-3-formylbenzoic acid compound Chemical class 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title description 37
- 150000001875 compounds Chemical class 0.000 claims abstract description 33
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 20
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims abstract description 20
- XUPPFPAAYGASPH-UHFFFAOYSA-N (3-cyanophenoxy)boronic acid Chemical compound OB(O)OC1=CC=CC(C#N)=C1 XUPPFPAAYGASPH-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 10
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 13
- 150000002901 organomagnesium compounds Chemical class 0.000 claims description 10
- 150000001555 benzenes Chemical class 0.000 claims description 9
- QARVLSVVCXYDNA-UHFFFAOYSA-N bromobenzene Chemical compound BrC1=CC=CC=C1 QARVLSVVCXYDNA-UHFFFAOYSA-N 0.000 claims description 9
- 239000011777 magnesium Substances 0.000 claims description 9
- 229910052749 magnesium Inorganic materials 0.000 claims description 9
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 7
- 239000012279 sodium borohydride Substances 0.000 claims description 7
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 7
- WTDHULULXKLSOZ-UHFFFAOYSA-N Hydroxylamine hydrochloride Chemical compound Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 239000012046 mixed solvent Substances 0.000 claims description 6
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- HJBGZJMKTOMQRR-UHFFFAOYSA-N (3-formylphenyl)boronic acid Chemical compound OB(O)C1=CC=CC(C=O)=C1 HJBGZJMKTOMQRR-UHFFFAOYSA-N 0.000 claims description 2
- ZNDYOYWZPVOJHG-UHFFFAOYSA-N B(O)(O)O.C(#N)C=1C=C(C=CC1)O Chemical compound B(O)(O)O.C(#N)C=1C=C(C=CC1)O ZNDYOYWZPVOJHG-UHFFFAOYSA-N 0.000 claims description 2
- 239000004327 boric acid Substances 0.000 claims description 2
- SGHBRHKBCLLVCI-UHFFFAOYSA-N 3-hydroxybenzonitrile Chemical compound OC1=CC=CC(C#N)=C1 SGHBRHKBCLLVCI-UHFFFAOYSA-N 0.000 claims 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims 1
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 46
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 40
- 239000011541 reaction mixture Substances 0.000 description 21
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 20
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 15
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 15
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 12
- 239000000203 mixture Substances 0.000 description 11
- 239000000706 filtrate Substances 0.000 description 10
- 238000001914 filtration Methods 0.000 description 10
- 239000002244 precipitate Substances 0.000 description 10
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 9
- 239000006227 byproduct Substances 0.000 description 9
- 239000012043 crude product Substances 0.000 description 8
- 238000000746 purification Methods 0.000 description 8
- GPHZPKCKVSSLIV-UHFFFAOYSA-N (3-formylphenoxy)boronic acid Chemical compound OB(O)OC1=CC=CC(C=O)=C1 GPHZPKCKVSSLIV-UHFFFAOYSA-N 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 6
- 230000035484 reaction time Effects 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 239000008096 xylene Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- 150000002902 organometallic compounds Chemical class 0.000 description 5
- 239000012264 purified product Substances 0.000 description 5
- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-UHFFFAOYSA-N 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 239000004019 antithrombin Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000002274 desiccant Substances 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000007818 Grignard reagent Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- QPJVMBTYPHYUOC-UHFFFAOYSA-N Methyl benzoate Natural products COC(=O)C1=CC=CC=C1 QPJVMBTYPHYUOC-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- IZWWAHXLUWAJRC-UHFFFAOYSA-N [3-bromo-5-(hydroxymethyl)phenyl]methanol Chemical compound OCC1=CC(Br)=CC(CO)=C1 IZWWAHXLUWAJRC-UHFFFAOYSA-N 0.000 description 3
- 230000002429 anti-coagulating effect Effects 0.000 description 3
- 150000007514 bases Chemical class 0.000 description 3
- 235000019253 formic acid Nutrition 0.000 description 3
- 150000004795 grignard reagents Chemical class 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 239000000543 intermediate Substances 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
- YJVFFLUZDVXJQI-UHFFFAOYSA-L palladium(ii) acetate Chemical compound [Pd+2].CC([O-])=O.CC([O-])=O YJVFFLUZDVXJQI-UHFFFAOYSA-L 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000002194 synthesizing effect Effects 0.000 description 3
- WRECIMRULFAWHA-UHFFFAOYSA-N trimethyl borate Chemical compound COB(OC)OC WRECIMRULFAWHA-UHFFFAOYSA-N 0.000 description 3
- 238000005160 1H NMR spectroscopy Methods 0.000 description 2
- LNUYLGUBVHEHEL-UHFFFAOYSA-N 2-phenylbenzenecarboximidamide Chemical class NC(=N)C1=CC=CC=C1C1=CC=CC=C1 LNUYLGUBVHEHEL-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- 239000005711 Benzoic acid Substances 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N Benzoic acid Natural products OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 2
- 108010074860 Factor Xa Proteins 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 108090000190 Thrombin Proteins 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 150000001491 aromatic compounds Chemical class 0.000 description 2
- 235000010233 benzoic acid Nutrition 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000007810 chemical reaction solvent Substances 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical group C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- GFZITIUEBBDMMN-UHFFFAOYSA-N methyl 3-bromo-5-formylbenzoate Chemical compound COC(=O)C1=CC(Br)=CC(C=O)=C1 GFZITIUEBBDMMN-UHFFFAOYSA-N 0.000 description 2
- 229940095102 methyl benzoate Drugs 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229960004072 thrombin Drugs 0.000 description 2
- QMTFKWDCWOTPGJ-KVVVOXFISA-N (z)-octadec-9-enoic acid;tin Chemical compound [Sn].CCCCCCCC\C=C/CCCCCCCC(O)=O QMTFKWDCWOTPGJ-KVVVOXFISA-N 0.000 description 1
- PAAZPARNPHGIKF-UHFFFAOYSA-N 1,2-dibromoethane Chemical compound BrCCBr PAAZPARNPHGIKF-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- LEWBSVBRCPCEKV-UHFFFAOYSA-N 1-bromo-3-(dimethoxymethyl)benzene Chemical compound COC(OC)C1=CC=CC(Br)=C1 LEWBSVBRCPCEKV-UHFFFAOYSA-N 0.000 description 1
- WOAAKXLQUXARQS-UHFFFAOYSA-N 3-(3-cyanophenyl)-5-formylbenzoic acid Chemical class OC(=O)C1=CC(C=O)=CC(C=2C=C(C=CC=2)C#N)=C1 WOAAKXLQUXARQS-UHFFFAOYSA-N 0.000 description 1
- UOKBFIOAEPCADP-UHFFFAOYSA-N 3-(hydroxymethyl)benzoic acid Chemical compound OCC1=CC=CC(C(O)=O)=C1 UOKBFIOAEPCADP-UHFFFAOYSA-N 0.000 description 1
- UHDNUPHSDMOGCR-UHFFFAOYSA-N 3-Formylbenzoic acid Chemical compound OC(=O)C1=CC=CC(C=O)=C1 UHDNUPHSDMOGCR-UHFFFAOYSA-N 0.000 description 1
- NQFXEXFUWOVHGW-UHFFFAOYSA-N 3-bromo-5-formylbenzoic acid Chemical compound OC(=O)C1=CC(Br)=CC(C=O)=C1 NQFXEXFUWOVHGW-UHFFFAOYSA-N 0.000 description 1
- STXAVEHFKAXGOX-UHFFFAOYSA-N 3-bromobenzonitrile Chemical compound BrC1=CC=CC(C#N)=C1 STXAVEHFKAXGOX-UHFFFAOYSA-N 0.000 description 1
- JATKASGNRMGFSW-UHFFFAOYSA-N 5-bromobenzene-1,3-dicarboxylic acid Chemical compound OC(=O)C1=CC(Br)=CC(C(O)=O)=C1 JATKASGNRMGFSW-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-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
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 238000006069 Suzuki reaction reaction Methods 0.000 description 1
- YZCKVEUIGOORGS-NJFSPNSNSA-N Tritium Chemical compound [3H] YZCKVEUIGOORGS-NJFSPNSNSA-N 0.000 description 1
- ZDPALFHDPFYJDY-UHFFFAOYSA-N [Na].OC=O Chemical compound [Na].OC=O ZDPALFHDPFYJDY-UHFFFAOYSA-N 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 125000005907 alkyl ester group Chemical group 0.000 description 1
- 125000005233 alkylalcohol group Chemical group 0.000 description 1
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 description 1
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 229940127219 anticoagulant drug Drugs 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 125000004802 cyanophenyl group Chemical group 0.000 description 1
- QUJINGKSNJNXEB-UHFFFAOYSA-N dimethyl 5-bromobenzene-1,3-dicarboxylate Chemical compound COC(=O)C1=CC(Br)=CC(C(=O)OC)=C1 QUJINGKSNJNXEB-UHFFFAOYSA-N 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 239000004210 ether based solvent Substances 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229960004279 formaldehyde Drugs 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 150000002497 iodine compounds Chemical class 0.000 description 1
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 1
- 229940011051 isopropyl acetate Drugs 0.000 description 1
- GWYFCOCPABKNJV-UHFFFAOYSA-N isovaleric acid Chemical compound CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 description 1
- 239000005453 ketone based solvent Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 150000002642 lithium compounds Chemical class 0.000 description 1
- 150000002681 magnesium compounds Chemical class 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 150000002940 palladium Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- QQVIHTHCMHWDBS-UHFFFAOYSA-N perisophthalic acid Natural products OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 1
- 239000012450 pharmaceutical intermediate Substances 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 229940086066 potassium hydrogencarbonate Drugs 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 1
- LGQXXHMEBUOXRP-UHFFFAOYSA-N tributyl borate Chemical compound CCCCOB(OCCCC)OCCCC LGQXXHMEBUOXRP-UHFFFAOYSA-N 0.000 description 1
- AJSTXXYNEIHPMD-UHFFFAOYSA-N triethyl borate Chemical compound CCOB(OCC)OCC AJSTXXYNEIHPMD-UHFFFAOYSA-N 0.000 description 1
- RMNIZOOYFMNEJJ-UHFFFAOYSA-K tripotassium;phosphate;hydrate Chemical compound O.[K+].[K+].[K+].[O-]P([O-])([O-])=O RMNIZOOYFMNEJJ-UHFFFAOYSA-K 0.000 description 1
- NHDIQVFFNDKAQU-UHFFFAOYSA-N tripropan-2-yl borate Chemical compound CC(C)OB(OC(C)C)OC(C)C NHDIQVFFNDKAQU-UHFFFAOYSA-N 0.000 description 1
- 229910052722 tritium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
- C07F5/02—Boron compounds
- C07F5/025—Boronic and borinic acid compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/30—Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/49—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C255/57—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing cyano groups and carboxyl groups, other than cyano groups, bound to the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/353—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by isomerisation; by change of size of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/373—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of functional groups containing oxygen only in doubly bound form
Definitions
- the present invention relates to a method for producing a 5- (3-cyanophenyl) -13-formylbenzoic acid compound. More specifically, the present invention relates to a method for producing a 5- (3-cyanophenyl) -3-formylbenzoic acid compound at a high yield and a low cost by an industrially easy process. Things.
- antithrombin agents have been used as thrombostatic agents.
- antithrombin agents have both an anticoagulant effect and an effect of suppressing the thrombin coagulation of platelets. Therefore, it is known that anti-thrombin may tend to promote bleeding, and it is not easy to control the blood coagulation inhibitory effect of conventional antithrombin. .
- W099 / 26918 discloses a biphenyl amidine derivative having an anticoagulant action. ing.
- biphenylamidine derivatives useful as FXa inhibitors As a method for synthesizing a compound having a useful biphenyl skeleton, W-992 / 26918 synthesizes 3-cyanophenylboric acid from 3-bromobenzonitrile, and prepares 3-cyanophenylboric acid and 5-ododo. It describes a method for producing a 5- (3-cyanophenyl) _3-hydroxymethylbenzoic oxide compound by performing a coupling reaction with 3- (hydroxymethyl) benzoic acid compound. However, this method requires that the reaction be carried out at a very low temperature of ⁇ 178 ° C. when synthesizing 3-cyanophenyl boric acid. The use of expensive iodine compounds in the coupling reaction, and the use of an industrially difficult column purification method to purify the target compound. There are business problems. Furthermore, each reaction step of the above method has a problem that is difficult to solve.
- Japanese Patent Application Laid-Open No. 000-No. 69811 discloses that the reaction can be completed in a short time by using tetraptyl ammonium bromide.
- An object of the present invention is to provide a method capable of producing a 5- (3-cyanophenyl) -13-formylbenzoic acid compound with high yield and low cost by a process which is easy to carry out. is there.
- the above object can be achieved by the method of the present invention for producing a 5- (3-cyanophenyl) _3-formylbenzoic acid compound.
- the method for producing a 5- (3-cyanophenyl) -13-formylbenzoic acid compound according to the present invention comprises:
- R represents a hydrogen atom or a linear or branched alkyl group containing 1 to L0 carbon atoms.
- R 1 represents a linear or branched alkyl group having 1 to 4 carbon atoms.
- the organomagnesium compound is preferably obtained by reacting the organomagnesium compound with a trialkyl borate compound.
- the 5-promo 31-(hydroxymethyl) benzoic acid compound represented by the above formula (I) is represented by the following formula (VII). 5—Promoy sophthalic acid compound:
- the method comprises reacting a 5-bromoisophthalic acid 'compound of the above formula (VII) with sodium borohydride.
- the obtained 5-promo 3- (hydroxymethyl) benzoic acid compound of the formula (I) is preferably purified using a mixed solvent containing an alcohol and a benzene derivative.
- a method for producing a 5- (3-cyanophenyl) _3-formylbenzoic acid compound according to the present invention comprises:
- R represents a hydrogen atom or a linear or branched alkyl group containing 1 to 10 carbon atoms
- the 5-promo 3- (hydroxymethyl) benzoic acid compound of the formula (I) is 5-promo 3_ (hydroxymethyl) benzoic acid and one thereof.
- the reaction of the 5-bromo-3- (hydroxymethyl) benzoic acid compound of formula (I) with manganese dioxide is preferably carried out in an organic solvent such as toluene, xylene, ethyl acetate, acetate, methylethyl ketone (MEK) and It is performed in an organic solvent consisting of one or more of tetrahydrofuran (THF).
- the reaction temperature at this time is preferably from 30 to 180 ° C, more preferably from 80 to 150 ° C.
- This reaction may be performed under any of normal pressure, reduced pressure, and pressurized pressure, but is generally preferably performed under normal pressure.
- the reaction time can be appropriately set according to the reaction temperature, but is generally preferably 0.5 to 10 hours.
- the amount of manganese dioxide used in the step (A) is preferably 2 to 15 times the molar amount of the 5-bromo-13- (hydroxymethyl) benzoic acid compound of the formula (I), and is preferably 4 to 8 times. More preferably, it is twice the molar amount. If the amount of manganese dioxide used is less than 2 times the molar amount, the reaction may not be completed within the practical reaction time and the raw materials may remain, and if it exceeds 15 times the molar amount, new by-products may be generated. Produce Sometimes.
- the hydroxymethyl group of the 5-bromo-3- (hydroxymethyl) benzoic acid compound of the general formula (I) is oxidized to a formyl group by manganese dioxide to form a compound of the general formula (II) 5-Peptidic acid 3-Formylbenzoic acid compound is formed.
- the reaction solution is cooled to room temperature, filtered, and the filtrate is concentrated to obtain 5-bromo-3-formylbenzoic acid.
- step (B) of the method of the present invention a 5-bromo-3-formylbenzoic acid compound of the general formula (II) obtained in the step (A) and a 3-cyanophenyl borate of the general formula (III) are obtained. Is reacted in the presence of a palladium complex (catalyst) to give the target compound, that is, 5_ (3-cyanophenyl) -13-formylbenzoic acid compound of the general formula (IV). To manufacture.
- the palladium complex may be selected from, for example, a zero-valent palladium complex such as tetraxtriphenylphosphine palladium and a divalent palladium complex such as palladium acetate, palladium chloride, bistriphenylphosphine palladium dichloride. Of these, it is preferable to use palladium acetate. Presence of palladium complexes, based on the molar concentration of the reaction volume of step (B) 5-bromo-3-formyl benzoic acid compound, 0.001 to 50 mol 0 /. Is more preferable, and more preferably 0.1 to 5 mol%.
- the abundance of the palladium catalyst is less than 0.001 mol% based on the amount of the 5-formol 3-formylbenzoic acid compound, the time required for completing the reaction may be prolonged, and it may be 50 mol%. If it exceeds this, purification of the target compound may become difficult.
- a basic compound neutralizing agent
- the basic compound include sodium hydrogen carbonate, potassium hydrogen carbonate, and potassium carbonate. And at least one selected from the group consisting of potassium phosphate hydrate is preferred. Of these, hydrogen carbonate It is more preferable to use a tritium and / or bicarbonate rim.
- the amount of the basic compound is preferably 2 to 5 times, more preferably 2 to 4 times, the molar amount of 3-cyanophenylboric acid.
- the reaction solvent in the step (B) is at least one selected from hydrated dimethylformamide, hydrated dimethylacetamide, hydrated N-methylpyrrolidone, hydrated N, N-dimethylimidazolidinone, hydrated THF, and the like. And particularly preferably hydrated dimethylformamide.
- reaction in the step (B) is preferably performed in an atmosphere of an inert gas, for example, an argon gas or a nitrogen gas.
- the reaction temperature in the step (B) is preferably 30 to 150 ° C, more preferably 50 to 100 ° C, and the reaction pressure may be any of normal pressure, reduced pressure, and increased pressure. Pressure is preferred.
- the reaction time is appropriately set according to the reaction temperature. To 24 hours, more preferably 0.5 to 10 hours.
- the reaction solution is filtered while warm, the filtrate is heated to 50 to 100 ° C, water is added thereto, and the resulting precipitate is filtered, for example.
- the target compound can be obtained, if necessary, by heating and dissolving the collected precipitate in hydrated tetrahydrofuran (THF) at 50 to 100 ° C.
- an alkyl alcohol having 1 to 3 carbon atoms may be added thereto for purification by recrystallization.
- the water content of the above-mentioned water-containing THF is preferably 0.5 to 10%, more preferably 1 to 5%.
- the amount of the aqueous THF used is preferably 1 to 6 times the mass of the collected precipitate.
- Alcohols include methanol, ethanol and 2-prono ⁇ . No-nore, 1 prono, 0 no 1
- 2-propanol is preferably used.
- the amount of the alcohol used is preferably 1 to 10 times the mass of the aqueous THF.
- the 5-promo 3- (hydroxymethyl) benzoic acid compound of the general formula (I) used in the step (A) of the method of the present invention may be one produced by an appropriate method.
- the compound is obtained by reacting a 5-bromoisophthalic acid compound represented by (VI I) with sodium borohydride (NaBH 4 ).
- the sodium borohydride used for this reaction is preferably used in a molar amount of 0.5 to 2 times the molar amount of the 5-bromo-isophthalic acid compound of the formula (VII). More preferably, it is used in a molar amount of 0.8 to 1.4 times.
- the reaction may not be completed within the practical reaction time, and if it exceeds 2 times the molar amount, the proportion of by-products may increase.
- the reaction pressure may be any of normal pressure, reduced pressure, and increased pressure, but is generally preferably normal pressure.
- the 5-bromo-3- (hydroxymethyl) benzoic acid compound obtained by the above reaction can be separated from the reaction mixture by, for example, an extraction method.
- the extractant include: acetate solvents such as ethyl acetate, methyl acetate, and isopropyl acetate; aromatic solvents such as toluene and xylene; ether solvents such as THF and getyl ether; and methyl ethyl ketone.
- ketone-based solvents such as ketones can be used.
- crude 5-promo-3- (hydroxymethyl) benzoic acid compound separated from the reaction mixture by the above method is a reaction by-product.
- the crude product of 5-bromo-1- (hydroxymethyl) benzoic acid compound was obtained.
- the product is further purified using a mixed solvent containing an alcohol and a benzene derivative.
- the alcohol methanol, ethanol, and ethylene glycol can be used, but methanol having excellent solubility in water and benzene derivatives and the solubility of the by-products can be used.
- the benzene derivative for the mixed solvent alkylated benzene such as xylene and toluene can be used, but xylene having excellent alcohol solubility is preferably used.
- a crude product of 5-bromo-3- (hydroxymethyl) benzoic acid compound is dissolved in an alcohol (eg, methanol), water is added thereto, and a benzene derivative (eg, toluene or xylene) is added to the mixture.
- an alcohol eg, methanol
- a benzene derivative eg, toluene or xylene
- the extract is washed, dried, and concentrated to collect the purified 5-promo 3- (hydroxymethyl) benzoate.
- the 3-cyanophenylboric acid of the general formula (III) used in the step (B) of the method of the present invention can be produced by an appropriate method, and in particular, the 3-formylphenylborate of the general formula (V) And hydroxamine hydrochloride are preferably produced.
- the reaction of 3-formylphenylboric acid with hydroxylamine hydrochloride is carried out in an organic solvent, preferably one comprising at least one of Z formic acid, acetic acid and propionic acid, more preferably formic acid.
- the amount of the organic solvent used is The amount is preferably 5 to 15 times the mass of the 3-formylphenylboric acid used in the reaction.
- This reaction is preferably carried out at a temperature of 90 ° C. to a heating reflux temperature, and the reaction time is preferably 0.5 to 24 hours, more preferably 5 to 8 hours.
- the target compound ie, 3-cyanophenyl boric acid of formula (III)
- the target compound ie, 3-cyanophenyl boric acid of formula (III)
- the above-mentioned method for producing 3-cyanophenylboric acid does not require a reaction at an extremely low temperature, and has the advantage of simple reaction operation.
- the 3-cyanophenylboric acid obtained by this method has the advantage of high purity.
- the 3-formylphenylboric acid (formula (V)) used as a starting compound in the reaction for producing 3-cyanophenylboric acid may be produced by an appropriate method, in particular, the general formula (VI) 3 - (di ⁇ Bruno record carboxymethyl methylcarbamoyl Honoré) alkyl groups in the alkoxy groups of bromobenzene ( ⁇ Bruno record alkoxy methylol Honoré group, d _ C 4 linear or branched al kill group , And particularly preferably a methyl group or an ethyl group.) Is reacted with metallic magnesium to prepare an organomagnesium compound, and the organomagnesium compound is reacted with a trialkyl borate compound.
- the organic solvent dissolves 31- (dialkoxymethyl) bromobenzene, but as long as it is inert to the reaction with metal magnesium, there is no particular limitation, but in general, it is generally used for gelation. It is preferable to use ethers such as tinoleate ether, tetrahydrofuran, tert-butynolemethyl ether, and diisopropyl ether, or a mixed solvent thereof. It is more preferable to use tert-hydrofuran, tert-ptinolemethinoleate or a mixed solvent thereof.
- the amount of metallic magnesium used in this reaction is 3— (dialkoxy). It is preferably 0.6 to 3 times the molar amount of the bromobenzene compound.
- the metal-magnesium reaction is carried out at 0 to 100 ° C. for 0.5 to 24 hours, and at 10 to 80 ° C. for 0.5 to 10 hours. More preferred. In addition, this reaction may be carried out under any of normal pressure, reduced pressure and pressurized pressure conditions, but is generally preferably carried out at normal pressure.
- the organomagnesium compound obtained by the above reaction is subjected to a reaction with a trialkyl borate compound.
- a trialkyl borate compound examples include trimethyl borate, triethyl borate, triisopropyl borate, and n_butyl borate. Of these, trimethyl borate It is preferable to use.
- the reaction temperature is preferably ⁇ 70 ° C. to 20 ° C.
- the reaction time is preferably 0.5 to 24 hours, and 10 to 20 ° C. More preferably, it is 0.5 to 12 hours at C.
- the reaction mixture was extracted with 380 ml of ethyl acetate and further with 200 ml of ethyl acetate.
- the obtained organic extract was mixed, and the mixed extract was washed with 380 ml of water, and further washed with 80 ml of saturated saline, and the obtained extract was dried over anhydrous magnesium sulfate (desiccant). ).
- the dried extract was filtered to separate the desiccant by filtration, and the filtrate was concentrated to obtain 96.5 g of a crude product of the target compound 5-methyl-13- (hydroxymethyl) benzoate.
- the mass ratio of the target compound, 5-bromo-3- (hydroxymethyl) benzoate, and by-product, 5-bromo-3- (hydroxymethyl) benzyl alcohol, in the crude product was 88: 10 Met.
- the above crude product was dissolved in 160 ml of methanol, and this solution was put into a separating funnel having a capacity of 2 liters, and further, 160 ml of water and 1000 ml of xylene were mixed and separated.
- the organic phase formed by the separation was collected, washed with a solution of 160 ml of methanol-Z water at a volume ratio of 1: 1, then washed with 160 ml of water, and further washed with 160 ml of water.
- the washed organic phase which was washed with saturated saline, was dried over anhydrous magnesium sulfate (desiccant) And dried.
- the dried solution was subjected to filtration, the desiccant was removed by filtration, and the filtrate was concentrated to obtain 81.98 g of a purified product of the target compound 5-methyl 3- (hydroxymethyl) benzoate.
- the yield was 83.3%.
- the mass ratio by NMR measurement of the target compound 5-bromo-3- (hydroxymethyl) benzoate and by-product 5-bromo-3- (hydroxymethyl) benzyl alcohol in the purified product was 96: 1.8. Met.
- the purified product 1H- ⁇ R (200MHz, ⁇ ppm, CDC 1 3) measurement results were as follows.
- 253.16 g of the 5-bromo-3- (hydroxymethyl) obtained in Production Example 1 was prepared.
- Methyl benzoate was added, and 2,000 ml of toluene was added thereto and stirred to dissolve.
- 449 g of manganese dioxide was added, and the resulting reaction mixture was heated to 105 ° C and stirred for 7 hours.
- the resulting reaction mixture was allowed to cool to room temperature, filtered to remove solids, and the filtrate was concentrated. 236.79 g of the target compound 5-methyl-3-bromo-3-formylbenzoate was obtained.
- the yield was 94.3%.
- step (A) In a 3 liter flask with a capacity of 2 liters, 67.65 g of 3-cyanophenol boric acid and 116.0 g of sodium hydrogencarbonate were added, and further prepared in step (A). A solution prepared by dissolving 9 g of methyl 5-bromo-3-formylbenzoate in 142 ml of dimethylformamide (DMF) was added. To this mixture, 592 ml of DMF and 149 ml of water were further added, the flask was sealed, the air inside was replaced with argon gas, and 0.2231 g of palladium acetate was further added. The resulting reaction mixture was heated to a temperature of 80 ° C. and stirred for 6.5 hours.
- DMF dimethylformamide
- the process for producing a 5- (3-cyanophenyl) -13-formylbenzoic acid compound according to the present invention is useful as a pharmaceutical intermediate, particularly as an intermediate for a selectively activated blood coagulation factor X inhibitor.
- Cyanophenyl A compound that enables the production of 1-3-formylbenzoic acid compounds at high yields and at low cost by a process that is industrially easy to carry out, without subjecting them to the purification process of dimethyl chloride. High industrial practicality It has the ability
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Description
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Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/497,105 US6949668B2 (en) | 2001-11-30 | 2001-11-30 | Process for producing 5-(3-cyanophenyl)-3-formylbenzoic acid compound |
PCT/JP2001/010521 WO2003048111A1 (en) | 2001-11-30 | 2001-11-30 | Process for producing 5-(3-cyanophenyl)-3-formylbenzoic acid compound |
CNA018239447A CN1582272A (zh) | 2001-11-30 | 2001-11-30 | 制备5-(3-氰基苯基)-3-甲酰基苯甲酸化合物的方法 |
CA002468942A CA2468942A1 (en) | 2001-11-30 | 2001-11-30 | Process for producing 5-(3-cyanophenyl)-3-formylbenzoic acid compound |
AU2002224131A AU2002224131A1 (en) | 2001-11-30 | 2001-11-30 | Process for producing 5-(3-cyanophenyl)-3-formylbenzoic acid compound |
EP01274900A EP1460059A4 (en) | 2001-11-30 | 2001-11-30 | PROCESS FOR PRODUCING 5- (3-CYANOPHENYL) -3-FORMYLBENZOIC ACID COMPOUND |
KR10-2004-7008069A KR20040058340A (ko) | 2001-11-30 | 2001-11-30 | 5-(3-시아노페닐)-3-포르밀벤조산 화합물의 제조 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2001/010521 WO2003048111A1 (en) | 2001-11-30 | 2001-11-30 | Process for producing 5-(3-cyanophenyl)-3-formylbenzoic acid compound |
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WO2003048111A1 true WO2003048111A1 (en) | 2003-06-12 |
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PCT/JP2001/010521 WO2003048111A1 (en) | 2001-11-30 | 2001-11-30 | Process for producing 5-(3-cyanophenyl)-3-formylbenzoic acid compound |
Country Status (7)
Country | Link |
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US (1) | US6949668B2 (ja) |
EP (1) | EP1460059A4 (ja) |
KR (1) | KR20040058340A (ja) |
CN (1) | CN1582272A (ja) |
AU (1) | AU2002224131A1 (ja) |
CA (1) | CA2468942A1 (ja) |
WO (1) | WO2003048111A1 (ja) |
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- 2001-11-30 US US10/497,105 patent/US6949668B2/en not_active Expired - Fee Related
- 2001-11-30 AU AU2002224131A patent/AU2002224131A1/en not_active Abandoned
- 2001-11-30 CN CNA018239447A patent/CN1582272A/zh active Pending
- 2001-11-30 CA CA002468942A patent/CA2468942A1/en not_active Abandoned
- 2001-11-30 KR KR10-2004-7008069A patent/KR20040058340A/ko not_active Application Discontinuation
- 2001-11-30 EP EP01274900A patent/EP1460059A4/en not_active Withdrawn
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WO2011112662A1 (en) | 2010-03-10 | 2011-09-15 | Incyte Corporation | Piperidin-4-yl azetidine derivatives as jak1 inhibitors |
EP3050882A1 (en) | 2010-03-10 | 2016-08-03 | Incyte Holdings Corporation | Piperidin-4-yl azetidine derivatives as jak1 inhibitors |
EP3354652A1 (en) | 2010-03-10 | 2018-08-01 | Incyte Holdings Corporation | Piperidin-4-yl azetidine derivatives as jak1 inhibitors |
EP3715347A1 (en) | 2010-03-10 | 2020-09-30 | Incyte Holdings Corporation | Piperidin-4-yl azetidine derivatives as jak1 inhibitors |
EP4036088A1 (en) | 2010-03-10 | 2022-08-03 | Incyte Holdings Corporation | Piperidin-4-yl azetidine derivatives as jak1 inhibitors |
EP4400172A2 (en) | 2010-03-10 | 2024-07-17 | Incyte Holdings Corporation | Piperidin-4-yl azetidine derivatives as jak1 inhibitors |
WO2012068450A1 (en) | 2010-11-19 | 2012-05-24 | Incyte Corporation | Cyclobutyl substituted pyrrolopyridine and pyrrolopyrimidine derivatives as jak inhibitors |
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KR20040058340A (ko) | 2004-07-03 |
US20050014966A1 (en) | 2005-01-20 |
AU2002224131A1 (en) | 2003-06-17 |
CN1582272A (zh) | 2005-02-16 |
CA2468942A1 (en) | 2003-06-12 |
US6949668B2 (en) | 2005-09-27 |
EP1460059A4 (en) | 2005-01-05 |
EP1460059A1 (en) | 2004-09-22 |
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