CH628338A5 - Process for the preparation of benzofuran derivatives - Google Patents
Process for the preparation of benzofuran derivatives Download PDFInfo
- Publication number
- CH628338A5 CH628338A5 CH997876A CH997876A CH628338A5 CH 628338 A5 CH628338 A5 CH 628338A5 CH 997876 A CH997876 A CH 997876A CH 997876 A CH997876 A CH 997876A CH 628338 A5 CH628338 A5 CH 628338A5
- Authority
- CH
- Switzerland
- Prior art keywords
- benzofuran
- hydroxy
- group
- formula
- viii
- Prior art date
Links
- 150000001907 coumarones Chemical class 0.000 title claims description 67
- 238000000034 method Methods 0.000 title claims description 22
- 238000002360 preparation method Methods 0.000 title claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 52
- 150000003839 salts Chemical class 0.000 claims description 23
- 125000000217 alkyl group Chemical group 0.000 claims description 21
- 239000002253 acid Substances 0.000 claims description 20
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical group C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 claims description 17
- 125000004432 carbon atom Chemical group C* 0.000 claims description 13
- 125000003545 alkoxy group Chemical group 0.000 claims description 9
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 7
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 6
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 claims description 5
- 201000010099 disease Diseases 0.000 claims description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 4
- 239000003814 drug Substances 0.000 claims description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 4
- 210000001428 peripheral nervous system Anatomy 0.000 claims description 4
- 229940079593 drug Drugs 0.000 claims description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 22
- 239000000203 mixture Substances 0.000 description 22
- 238000000921 elemental analysis Methods 0.000 description 21
- -1 Ethoxy, n-propoxy, isopropoxy, n-butoxy, isobutoxy Chemical group 0.000 description 19
- 229910052739 hydrogen Inorganic materials 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 16
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 15
- 229960004592 isopropanol Drugs 0.000 description 13
- AQHHHDLHHXJYJD-UHFFFAOYSA-N propranolol Chemical compound C1=CC=C2C(OCC(O)CNC(C)C)=CC=CC2=C1 AQHHHDLHHXJYJD-UHFFFAOYSA-N 0.000 description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 11
- 238000006722 reduction reaction Methods 0.000 description 11
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 238000004809 thin layer chromatography Methods 0.000 description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 238000001816 cooling Methods 0.000 description 8
- 239000003208 petroleum Substances 0.000 description 8
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical class CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 8
- 239000012279 sodium borohydride Substances 0.000 description 8
- 229910000033 sodium borohydride Inorganic materials 0.000 description 8
- 150000003141 primary amines Chemical class 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 229960003712 propranolol Drugs 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- SOBIXRUSPZTLPQ-UHFFFAOYSA-N 1-[[2-(1-hydroxyethyl)-1-benzofuran-7-yl]oxy]-3-(propan-2-ylamino)propan-2-ol Chemical compound CC(C)NCC(O)COC1=CC=CC2=C1OC(C(C)O)=C2 SOBIXRUSPZTLPQ-UHFFFAOYSA-N 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- ZPQPDBIHYCBNIG-UHFFFAOYSA-N befunolol Chemical compound CC(C)NCC(O)COC1=CC=CC2=C1OC(C(C)=O)=C2 ZPQPDBIHYCBNIG-UHFFFAOYSA-N 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 5
- 230000000144 pharmacologic effect Effects 0.000 description 5
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 5
- JWZZKOKVBUJMES-UHFFFAOYSA-N (+-)-Isoprenaline Chemical compound CC(C)NCC(O)C1=CC=C(O)C(O)=C1 JWZZKOKVBUJMES-UHFFFAOYSA-N 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 206010020772 Hypertension Diseases 0.000 description 4
- 206010020850 Hyperthyroidism Diseases 0.000 description 4
- 159000000021 acetate salts Chemical class 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 208000019622 heart disease Diseases 0.000 description 4
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 4
- 229940039009 isoproterenol Drugs 0.000 description 4
- 150000007522 mineralic acids Chemical class 0.000 description 4
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- 150000007524 organic acids Chemical class 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical class Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229920002253 Tannate Polymers 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 150000001242 acetic acid derivatives Chemical class 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 239000000969 carrier Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000007810 chemical reaction solvent Substances 0.000 description 3
- 239000003085 diluting agent Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000005457 ice water Substances 0.000 description 3
- 230000005764 inhibitory process Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 150000002688 maleic acid derivatives Chemical class 0.000 description 3
- 150000004701 malic acid derivatives Chemical class 0.000 description 3
- 150000002823 nitrates Chemical class 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 150000003891 oxalate salts Chemical class 0.000 description 3
- 238000011946 reduction process Methods 0.000 description 3
- 150000003890 succinate salts Chemical class 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 3
- 150000003892 tartrate salts Chemical class 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- BHCNIYOYQIRWQF-UHFFFAOYSA-N 1-(butan-2-ylamino)-3-[[2-(1-hydroxyethyl)-1-benzofuran-5-yl]oxy]propan-2-ol Chemical compound OC(C)C=1OC2=C(C=1)C=C(C=C2)OCC(CNC(C)CC)O BHCNIYOYQIRWQF-UHFFFAOYSA-N 0.000 description 2
- LLEQNJAWVRKGAY-UHFFFAOYSA-N 1-(butan-2-ylamino)-3-[[2-(1-hydroxyethyl)-1-benzofuran-7-yl]oxy]propan-2-ol Chemical compound OC(C)C=1OC2=C(C=1)C=CC=C2OCC(CNC(C)CC)O LLEQNJAWVRKGAY-UHFFFAOYSA-N 0.000 description 2
- NKNBDCPRGYWUBQ-UHFFFAOYSA-N 1-(tert-butylamino)-3-[[2-(1-hydroxyethyl)-1-benzofuran-6-yl]oxy]propan-2-ol Chemical compound OC(C)C=1OC2=C(C=1)C=CC(=C2)OCC(CNC(C)(C)C)O NKNBDCPRGYWUBQ-UHFFFAOYSA-N 0.000 description 2
- QYSHCRFKLMBRMP-UHFFFAOYSA-N 1-(tert-butylamino)-3-[[2-(1-hydroxyethyl)-1-benzofuran-7-yl]oxy]propan-2-ol Chemical compound OC(C)C=1OC2=C(C=1)C=CC=C2OCC(CNC(C)(C)C)O QYSHCRFKLMBRMP-UHFFFAOYSA-N 0.000 description 2
- HXVOYLMLSQKMNS-UHFFFAOYSA-N 1-[4-[2-hydroxy-3-(propan-2-ylamino)propoxy]-1-benzofuran-2-yl]ethanone Chemical compound CC(C)NCC(O)COC1=CC=CC2=C1C=C(C(C)=O)O2 HXVOYLMLSQKMNS-UHFFFAOYSA-N 0.000 description 2
- WSVKFMHYFCXAPR-UHFFFAOYSA-N 1-[[2-(1-hydroxyethyl)-1-benzofuran-4-yl]oxy]-3-(propan-2-ylamino)propan-2-ol Chemical compound OC(C)C=1OC2=C(C=1)C(=CC=C2)OCC(CNC(C)C)O WSVKFMHYFCXAPR-UHFFFAOYSA-N 0.000 description 2
- KDSNLYIMUZNERS-UHFFFAOYSA-N 2-methylpropanamine Chemical compound CC(C)CN KDSNLYIMUZNERS-UHFFFAOYSA-N 0.000 description 2
- 102000005751 Alcohol Oxidoreductases Human genes 0.000 description 2
- 108010031132 Alcohol Oxidoreductases Proteins 0.000 description 2
- 206010002383 Angina Pectoris Diseases 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- 241000699670 Mus sp. Species 0.000 description 2
- 241000283973 Oryctolagus cuniculus Species 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 2
- 229910000564 Raney nickel Inorganic materials 0.000 description 2
- 241000700159 Rattus Species 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- 230000007059 acute toxicity Effects 0.000 description 2
- 231100000403 acute toxicity Toxicity 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 description 2
- 150000003934 aromatic aldehydes Chemical class 0.000 description 2
- 206010003119 arrhythmia Diseases 0.000 description 2
- RFRXIWQYSOIBDI-UHFFFAOYSA-N benzarone Chemical compound CCC=1OC2=CC=CC=C2C=1C(=O)C1=CC=C(O)C=C1 RFRXIWQYSOIBDI-UHFFFAOYSA-N 0.000 description 2
- 239000002876 beta blocker Substances 0.000 description 2
- 229940030611 beta-adrenergic blocking agent Drugs 0.000 description 2
- 230000036772 blood pressure Effects 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000005515 coenzyme Substances 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 150000003840 hydrochlorides Chemical class 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000010253 intravenous injection Methods 0.000 description 2
- 239000012280 lithium aluminium hydride Substances 0.000 description 2
- 210000004185 liver Anatomy 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 2
- 238000005185 salting out Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 125000004213 tert-butoxy group Chemical group [H]C([H])([H])C(O*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
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- WUKZZTBYOQERGT-UHFFFAOYSA-N 1-(ethylamino)-3-iodopropan-2-ol Chemical compound C(C)NCC(CI)O WUKZZTBYOQERGT-UHFFFAOYSA-N 0.000 description 1
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- AXSOEJHOADEIGQ-UHFFFAOYSA-N 1-[3-[3-(butan-2-ylamino)-2-hydroxypropoxy]-1-benzofuran-2-yl]ethanone Chemical compound C(C)(=O)C=1OC2=C(C=1OCC(CNC(C)CC)O)C=CC=C2 AXSOEJHOADEIGQ-UHFFFAOYSA-N 0.000 description 1
- OPYVAIPCTIMHCB-UHFFFAOYSA-N 1-[4-[3-(butan-2-ylamino)-2-hydroxypropoxy]-1-benzofuran-2-yl]-2-methylpropan-1-one Chemical compound C(C(C)C)(=O)C=1OC2=C(C=1)C(=CC=C2)OCC(CNC(C)CC)O OPYVAIPCTIMHCB-UHFFFAOYSA-N 0.000 description 1
- DVVNFDVESKQFJY-UHFFFAOYSA-N 1-[5-[3-(butan-2-ylamino)-2-hydroxypropoxy]-1-benzofuran-2-yl]ethanone Chemical compound C(C)(=O)C=1OC2=C(C=1)C=C(C=C2)OCC(CNC(C)CC)O DVVNFDVESKQFJY-UHFFFAOYSA-N 0.000 description 1
- GDCDYWRDIGTBMH-UHFFFAOYSA-N 1-[6-[3-(tert-butylamino)-2-hydroxypropoxy]-1-benzofuran-2-yl]ethanone Chemical compound C1=C(OCC(O)CNC(C)(C)C)C=C2OC(C(=O)C)=CC2=C1 GDCDYWRDIGTBMH-UHFFFAOYSA-N 0.000 description 1
- GTROMCBCQWPZHN-UHFFFAOYSA-N 1-[7-[3-(butan-2-ylamino)-2-hydroxypropoxy]-1-benzofuran-2-yl]ethanone Chemical compound CCC(C)NCC(O)COC1=CC=CC2=C1OC(C(C)=O)=C2 GTROMCBCQWPZHN-UHFFFAOYSA-N 0.000 description 1
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- DLAMFTGZTLIVIW-UHFFFAOYSA-N 1-[7-[3-(tert-butylamino)-2-hydroxypropoxy]-1-benzofuran-2-yl]propan-1-one Chemical compound C(CC)(=O)C=1OC2=C(C=1)C=CC=C2OCC(CNC(C)(C)C)O DLAMFTGZTLIVIW-UHFFFAOYSA-N 0.000 description 1
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- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 239000007868 Raney catalyst Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- VNYBRHDRGOJHKF-UHFFFAOYSA-N [4-[3-(butan-2-ylamino)-2-hydroxypropoxy]-1-benzofuran-2-yl]-phenylmethanone Chemical compound C=1C=2C(OCC(O)CNC(C)CC)=CC=CC=2OC=1C(=O)C1=CC=CC=C1 VNYBRHDRGOJHKF-UHFFFAOYSA-N 0.000 description 1
- WHQFQRPSOBFKJC-UHFFFAOYSA-N [7-[2-hydroxy-3-(propan-2-ylamino)propoxy]-1-benzofuran-2-yl]-phenylmethanone Chemical compound O1C=2C(OCC(O)CNC(C)C)=CC=CC=2C=C1C(=O)C1=CC=CC=C1 WHQFQRPSOBFKJC-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- JPUHCPXFQIXLMW-UHFFFAOYSA-N aluminium triethoxide Chemical compound CCO[Al](OCC)OCC JPUHCPXFQIXLMW-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000003444 anaesthetic effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 239000002981 blocking agent Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 125000004106 butoxy group Chemical group [*]OC([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 210000004087 cornea Anatomy 0.000 description 1
- 230000006806 disease prevention Effects 0.000 description 1
- NUUBJYUSRWUKGF-UHFFFAOYSA-N ethyl 7-[2-hydroxy-3-(propan-2-ylamino)propoxy]-1-benzofuran-2-carboxylate Chemical compound C1=CC(OCC(O)CNC(C)C)=C2OC(C(=O)OCC)=CC2=C1 NUUBJYUSRWUKGF-UHFFFAOYSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012458 free base Substances 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000007954 hypoxia Effects 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 239000008101 lactose Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002690 local anesthesia Methods 0.000 description 1
- 239000003589 local anesthetic agent Substances 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 235000019813 microcrystalline cellulose Nutrition 0.000 description 1
- 239000008108 microcrystalline cellulose Substances 0.000 description 1
- 229940016286 microcrystalline cellulose Drugs 0.000 description 1
- 230000030564 negative regulation of blood pressure Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 125000005920 sec-butoxy group Chemical group 0.000 description 1
- BHRZNVHARXXAHW-UHFFFAOYSA-N sec-butylamine Chemical compound CCC(C)N BHRZNVHARXXAHW-UHFFFAOYSA-N 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 description 1
- 235000015523 tannic acid Nutrition 0.000 description 1
- 229940033123 tannic acid Drugs 0.000 description 1
- 229920002258 tannic acid Polymers 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- YBRBMKDOPFTVDT-UHFFFAOYSA-N tert-butylamine Chemical compound CC(C)(C)N YBRBMKDOPFTVDT-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- MDDPTCUZZASZIQ-UHFFFAOYSA-N tris[(2-methylpropan-2-yl)oxy]alumane Chemical compound [Al+3].CC(C)(C)[O-].CC(C)(C)[O-].CC(C)(C)[O-] MDDPTCUZZASZIQ-UHFFFAOYSA-N 0.000 description 1
- 239000008215 water for injection Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
- C07D307/86—Benzo [b] furans; Hydrogenated benzo [b] furans with an oxygen atom directly attached in position 7
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
- C07D307/79—Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
- C07D307/80—Radicals substituted by oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH529981A CH633785A5 (en) | 1975-10-20 | 1981-08-17 | Process for the preparation of benzofuran derivatives |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50126534A JPS5919106B2 (ja) | 1975-10-20 | 1975-10-20 | ベンゾフラン誘導体の製造法 |
| JP51000351A JPS5951547B2 (ja) | 1976-01-01 | 1976-01-01 | ベンゾフラン誘導体 |
| JP51006075A JPS5951549B2 (ja) | 1976-01-21 | 1976-01-21 | ベンゾフラン誘導体の製造法 |
| JP51006074A JPS5951548B2 (ja) | 1976-01-21 | 1976-01-21 | ベンゾフラン誘導体の製造法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH628338A5 true CH628338A5 (en) | 1982-02-26 |
Family
ID=27453151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH997876A CH628338A5 (en) | 1975-10-20 | 1976-08-05 | Process for the preparation of benzofuran derivatives |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE845156A (enrdf_load_stackoverflow) |
| CA (1) | CA1089866A (enrdf_load_stackoverflow) |
| CH (1) | CH628338A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2635064C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2328463A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1502248A (enrdf_load_stackoverflow) |
| NL (1) | NL7610426A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60202872A (ja) * | 1984-03-27 | 1985-10-14 | Kaken Pharmaceut Co Ltd | ベンゾフラン誘導体、その製法およびそれを有効成分とする降圧剤 |
| JPS61158976A (ja) * | 1984-12-28 | 1986-07-18 | Shionogi & Co Ltd | ベンゾフランおよびベンゾチオフエン誘導体 |
| CA2355694A1 (en) * | 1998-12-18 | 2000-06-29 | Yuhko Aoki | Novel bicyclic compounds |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1058822A (en) * | 1963-07-30 | 1967-02-15 | Ici Ltd | 3-amino-2-hydroxypropoxy heterocyclic derivatives |
-
1976
- 1976-07-20 CA CA257,342A patent/CA1089866A/en not_active Expired
- 1976-07-29 GB GB3161576A patent/GB1502248A/en not_active Expired
- 1976-08-04 DE DE19762635064 patent/DE2635064C2/de not_active Expired
- 1976-08-05 CH CH997876A patent/CH628338A5/de not_active IP Right Cessation
- 1976-08-12 FR FR7624676A patent/FR2328463A1/fr active Granted
- 1976-08-13 BE BE169780A patent/BE845156A/xx not_active IP Right Cessation
- 1976-09-20 NL NL7610426A patent/NL7610426A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2328463A1 (fr) | 1977-05-20 |
| NL7610426A (nl) | 1977-04-22 |
| DE2635064A1 (de) | 1977-04-21 |
| CA1089866A (en) | 1980-11-18 |
| BE845156A (fr) | 1976-12-01 |
| GB1502248A (en) | 1978-02-22 |
| DE2635064C2 (de) | 1986-07-24 |
| FR2328463B1 (enrdf_load_stackoverflow) | 1978-12-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |