IE922227A1 - Benzofuran derivatives - Google Patents
Benzofuran derivativesInfo
- Publication number
- IE922227A1 IE922227A1 IE922227A IE922227A IE922227A1 IE 922227 A1 IE922227 A1 IE 922227A1 IE 922227 A IE922227 A IE 922227A IE 922227 A IE922227 A IE 922227A IE 922227 A1 IE922227 A1 IE 922227A1
- Authority
- IE
- Ireland
- Prior art keywords
- compound
- benzofuran
- ethyl
- reaction
- tert
- Prior art date
Links
- 150000001907 coumarones Chemical class 0.000 title claims description 5
- 150000001875 compounds Chemical class 0.000 claims abstract description 125
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 23
- 206010003210 Arteriosclerosis Diseases 0.000 claims abstract description 15
- 208000011775 arteriosclerosis disease Diseases 0.000 claims abstract description 15
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 15
- 239000008194 pharmaceutical composition Substances 0.000 claims abstract description 15
- 125000005098 aryl alkoxy carbonyl group Chemical group 0.000 claims abstract description 13
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims abstract description 13
- 125000005041 acyloxyalkyl group Chemical group 0.000 claims abstract description 11
- 150000003839 salts Chemical class 0.000 claims abstract description 10
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 6
- 125000002252 acyl group Chemical group 0.000 claims abstract description 4
- KKJUPNGICOCCDW-UHFFFAOYSA-N 7-N,N-Dimethylamino-1,2,3,4,5-pentathiocyclooctane Chemical compound CN(C)C1CSSSSSC1 KKJUPNGICOCCDW-UHFFFAOYSA-N 0.000 claims abstract description 3
- 206010008118 cerebral infarction Diseases 0.000 claims abstract description 3
- 239000001257 hydrogen Substances 0.000 claims abstract description 3
- 208000031225 myocardial ischemia Diseases 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims description 36
- 210000004369 blood Anatomy 0.000 claims description 18
- 239000008280 blood Substances 0.000 claims description 18
- 238000002560 therapeutic procedure Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 201000010099 disease Diseases 0.000 claims description 8
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims description 8
- 125000005843 halogen group Chemical group 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 208000026106 cerebrovascular disease Diseases 0.000 claims description 2
- 239000003937 drug carrier Substances 0.000 claims description 2
- 208000037803 restenosis Diseases 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 102000057248 Lipoprotein(a) Human genes 0.000 claims 1
- 108010033266 Lipoprotein(a) Proteins 0.000 claims 1
- 239000008024 pharmaceutical diluent Substances 0.000 claims 1
- 125000004453 alkoxycarbonyl group Chemical group 0.000 abstract description 13
- 229910052736 halogen Inorganic materials 0.000 abstract description 5
- 150000002367 halogens Chemical group 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract description 3
- 208000031481 Pathologic Constriction Diseases 0.000 abstract 1
- 150000002431 hydrogen Chemical group 0.000 abstract 1
- 230000036262 stenosis Effects 0.000 abstract 1
- 208000037804 stenosis Diseases 0.000 abstract 1
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 68
- -1 2- methylbenzyloxycarbonyl Chemical group 0.000 description 63
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 45
- 239000013078 crystal Substances 0.000 description 41
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 39
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 39
- 238000006243 chemical reaction Methods 0.000 description 39
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 33
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 29
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 29
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 27
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 24
- 101710115418 Apolipoprotein(a) Proteins 0.000 description 23
- 102100040214 Apolipoprotein(a) Human genes 0.000 description 23
- 239000000243 solution Substances 0.000 description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 22
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 21
- 239000002904 solvent Substances 0.000 description 21
- 238000004458 analytical method Methods 0.000 description 17
- 239000003795 chemical substances by application Substances 0.000 description 17
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 15
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 14
- 239000011541 reaction mixture Substances 0.000 description 14
- 239000008187 granular material Substances 0.000 description 13
- 239000000843 powder Substances 0.000 description 13
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 12
- 239000007864 aqueous solution Substances 0.000 description 12
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 12
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 12
- 239000000126 substance Substances 0.000 description 12
- 238000001914 filtration Methods 0.000 description 11
- 238000003756 stirring Methods 0.000 description 11
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 10
- 239000002585 base Substances 0.000 description 10
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 10
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 10
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 9
- 239000003638 chemical reducing agent Substances 0.000 description 9
- ZMXDDKWLCZADIW-UHFFFAOYSA-N dimethylformamide Substances CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- 229910052987 metal hydride Inorganic materials 0.000 description 9
- 150000004681 metal hydrides Chemical class 0.000 description 9
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 8
- 239000002775 capsule Substances 0.000 description 8
- 239000005457 ice water Substances 0.000 description 8
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 8
- 230000035484 reaction time Effects 0.000 description 8
- 239000012279 sodium borohydride Substances 0.000 description 8
- 229910000033 sodium borohydride Inorganic materials 0.000 description 8
- 241001465754 Metazoa Species 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 150000002148 esters Chemical class 0.000 description 7
- 150000002632 lipids Chemical class 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 210000002966 serum Anatomy 0.000 description 7
- 239000000725 suspension Substances 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 230000001476 alcoholic effect Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 6
- 235000012000 cholesterol Nutrition 0.000 description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- 239000002552 dosage form Substances 0.000 description 6
- 239000003814 drug Substances 0.000 description 6
- 229940079593 drug Drugs 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 235000019198 oils Nutrition 0.000 description 6
- 229910000027 potassium carbonate Inorganic materials 0.000 description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 5
- 231100000252 nontoxic Toxicity 0.000 description 5
- 230000003000 nontoxic effect Effects 0.000 description 5
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 5
- BEOOHQFXGBMRKU-UHFFFAOYSA-N sodium cyanoborohydride Chemical compound [Na+].[B-]C#N BEOOHQFXGBMRKU-UHFFFAOYSA-N 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 241000282693 Cercopithecidae Species 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 description 4
- 239000013543 active substance Substances 0.000 description 4
- 230000037396 body weight Effects 0.000 description 4
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical compound BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine hydrate Chemical compound O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 4
- 238000006460 hydrolysis reaction Methods 0.000 description 4
- 239000012280 lithium aluminium hydride Substances 0.000 description 4
- 235000019359 magnesium stearate Nutrition 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 239000006188 syrup Substances 0.000 description 4
- 235000020357 syrup Nutrition 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 3
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 3
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- 239000002202 Polyethylene glycol Substances 0.000 description 3
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- 208000007536 Thrombosis Diseases 0.000 description 3
- 235000011054 acetic acid Nutrition 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 3
- 239000000010 aprotic solvent Substances 0.000 description 3
- 125000001584 benzyloxycarbonyl group Chemical group C(=O)(OCC1=CC=CC=C1)* 0.000 description 3
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- 150000001721 carbon Chemical group 0.000 description 3
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- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 description 3
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- 238000002156 mixing Methods 0.000 description 3
- UYWQUFXKFGHYNT-UHFFFAOYSA-N phenylmethyl ester of formic acid Natural products O=COCC1=CC=CC=C1 UYWQUFXKFGHYNT-UHFFFAOYSA-N 0.000 description 3
- 239000002798 polar solvent Substances 0.000 description 3
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- 238000002360 preparation method Methods 0.000 description 3
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- 102000004169 proteins and genes Human genes 0.000 description 3
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- 238000010998 test method Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- UKBYFUOXNPWFNZ-UHFFFAOYSA-N 2-[4-(hydroxymethyl)phenoxy]-1-(5-propan-2-yl-1-benzofuran-2-yl)ethanol Chemical compound C=1C2=CC(C(C)C)=CC=C2OC=1C(O)COC1=CC=C(CO)C=C1 UKBYFUOXNPWFNZ-UHFFFAOYSA-N 0.000 description 2
- GHBTYUWLXVYUCG-UHFFFAOYSA-N 2-bromo-1-(5-tert-butyl-1-benzofuran-2-yl)ethanone Chemical compound CC(C)(C)C1=CC=C2OC(C(=O)CBr)=CC2=C1 GHBTYUWLXVYUCG-UHFFFAOYSA-N 0.000 description 2
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 2
- MRWFIAKGLIDUFK-UHFFFAOYSA-N 4-[2-(5-tert-butyl-1-benzofuran-2-yl)-2-oxoethoxy]benzoic acid Chemical compound C=1C2=CC(C(C)(C)C)=CC=C2OC=1C(=O)COC1=CC=C(C(O)=O)C=C1 MRWFIAKGLIDUFK-UHFFFAOYSA-N 0.000 description 2
- UWGRHSSKDKXHOA-UHFFFAOYSA-N 4-[2-hydroxy-2-(5-propan-2-yl-1-benzofuran-2-yl)ethoxy]benzoic acid Chemical compound C=1C2=CC(C(C)C)=CC=C2OC=1C(O)COC1=CC=C(C(O)=O)C=C1 UWGRHSSKDKXHOA-UHFFFAOYSA-N 0.000 description 2
- RGHHSNMVTDWUBI-UHFFFAOYSA-N 4-hydroxybenzaldehyde Chemical compound OC1=CC=C(C=O)C=C1 RGHHSNMVTDWUBI-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
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- VJHCJDRQFCCTHL-UHFFFAOYSA-N acetic acid 2,3,4,5,6-pentahydroxyhexanal Chemical compound CC(O)=O.OCC(O)C(O)C(O)C(O)C=O VJHCJDRQFCCTHL-UHFFFAOYSA-N 0.000 description 2
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- ALABTWTYRNRSOT-UHFFFAOYSA-N benzyl 4-[2-(5-tert-butyl-1-benzofuran-2-yl)-2-oxoethoxy]benzoate Chemical compound C=1C2=CC(C(C)(C)C)=CC=C2OC=1C(=O)COC(C=C1)=CC=C1C(=O)OCC1=CC=CC=C1 ALABTWTYRNRSOT-UHFFFAOYSA-N 0.000 description 2
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- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
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- BULLHNJGPPOUOX-UHFFFAOYSA-N chloroacetone Chemical compound CC(=O)CCl BULLHNJGPPOUOX-UHFFFAOYSA-N 0.000 description 2
- 208000029078 coronary artery disease Diseases 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
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- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
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- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical compound [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 description 1
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- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
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- 239000006072 paste Substances 0.000 description 1
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- 239000011253 protective coating Substances 0.000 description 1
- 238000010298 pulverizing process Methods 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
- 229960000948 quinine Drugs 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 239000003340 retarding agent Substances 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- CVHZOJJKTDOEJC-UHFFFAOYSA-N saccharin Chemical compound C1=CC=C2C(=O)NS(=O)(=O)C2=C1 CVHZOJJKTDOEJC-UHFFFAOYSA-N 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 239000004208 shellac Substances 0.000 description 1
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 description 1
- 229940113147 shellac Drugs 0.000 description 1
- 235000013874 shellac Nutrition 0.000 description 1
- 229940083542 sodium Drugs 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- VUJNWZWKOODRIA-UHFFFAOYSA-M sodium;4-[2-(5-tert-butyl-1-benzofuran-2-yl)-2-hydroxyethoxy]benzoate Chemical compound [Na+].C=1C2=CC(C(C)(C)C)=CC=C2OC=1C(O)COC1=CC=C(C([O-])=O)C=C1 VUJNWZWKOODRIA-UHFFFAOYSA-M 0.000 description 1
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- 239000008117 stearic acid Substances 0.000 description 1
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- 230000002194 synthesizing effect Effects 0.000 description 1
- LUTSEQJLHAGZBU-UHFFFAOYSA-N tert-butyl 3-[2-hydroxy-2-(5-methyl-1-benzofuran-2-yl)ethoxy]benzoate Chemical compound C=1C2=CC(C)=CC=C2OC=1C(O)COC1=CC=CC(C(=O)OC(C)(C)C)=C1 LUTSEQJLHAGZBU-UHFFFAOYSA-N 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000004809 thin layer chromatography Methods 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
- 125000003774 valeryl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Landscapes
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19572291 | 1991-07-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
IE922227A1 true IE922227A1 (en) | 1993-01-13 |
Family
ID=16345881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IE922227A IE922227A1 (en) | 1991-07-09 | 1992-07-08 | Benzofuran derivatives |
Country Status (7)
-
1992
- 1992-05-14 TW TW81103734A patent/TW197431B/zh active
- 1992-07-02 IL IL102393A patent/IL102393A0/xx unknown
- 1992-07-07 ZA ZA925060A patent/ZA925060B/xx unknown
- 1992-07-08 PT PT10066792A patent/PT100667A/pt not_active Application Discontinuation
- 1992-07-08 MX MX9204009A patent/MX9204009A/es unknown
- 1992-07-08 IE IE922227A patent/IE922227A1/en not_active Application Discontinuation
- 1992-07-09 CN CN 92105458 patent/CN1068568A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
CN1068568A (zh) | 1993-02-03 |
ZA925060B (en) | 1993-04-28 |
MX9204009A (es) | 1993-04-01 |
PT100667A (pt) | 1993-08-31 |
TW197431B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-01-01 |
IL102393A0 (en) | 1993-01-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FC9A | Application refused sect. 31(1) |