NO842878L - Fremgangsaate for fremstilling av terapeutisk aktive aroyl-substituerte benzofuran- og -benzotiofen-eddiksyre- og -propionsyre-derivater - Google Patents
Fremgangsaate for fremstilling av terapeutisk aktive aroyl-substituerte benzofuran- og -benzotiofen-eddiksyre- og -propionsyre-derivaterInfo
- Publication number
- NO842878L NO842878L NO842878A NO842878A NO842878L NO 842878 L NO842878 L NO 842878L NO 842878 A NO842878 A NO 842878A NO 842878 A NO842878 A NO 842878A NO 842878 L NO842878 L NO 842878L
- Authority
- NO
- Norway
- Prior art keywords
- acetic acid
- benzofuran
- dihydrobenzofuran
- propionic acid
- acid
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 41
- 238000002360 preparation method Methods 0.000 title claims description 29
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 title description 62
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical class C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 title description 9
- 229940111131 antiinflammatory and antirheumatic product propionic acid derivative Drugs 0.000 title description 2
- 150000005599 propionic acid derivatives Chemical class 0.000 title 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Substances CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 196
- 150000001875 compounds Chemical class 0.000 claims description 71
- -1 phenyl-lower-alkyl Chemical group 0.000 claims description 69
- 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 claims description 57
- 235000019260 propionic acid Nutrition 0.000 claims description 56
- 238000006243 chemical reaction Methods 0.000 claims description 33
- 239000002253 acid Substances 0.000 claims description 26
- 238000004519 manufacturing process Methods 0.000 claims description 21
- 125000000217 alkyl group Chemical group 0.000 claims description 19
- 239000001257 hydrogen Substances 0.000 claims description 18
- 229910052739 hydrogen Inorganic materials 0.000 claims description 18
- 150000003839 salts Chemical class 0.000 claims description 18
- 150000002148 esters Chemical class 0.000 claims description 15
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 12
- 125000003545 alkoxy group Chemical group 0.000 claims description 10
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 10
- 238000011282 treatment Methods 0.000 claims description 9
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 229910052717 sulfur Inorganic materials 0.000 claims description 8
- 239000011593 sulfur Substances 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- DESJPZBHDAQZLB-UHFFFAOYSA-N 2-(7-benzoyl-1-benzofuran-5-yl)acetic acid Chemical compound C=12OC=CC2=CC(CC(=O)O)=CC=1C(=O)C1=CC=CC=C1 DESJPZBHDAQZLB-UHFFFAOYSA-N 0.000 claims description 5
- CPUGJEXXTYFBLX-UHFFFAOYSA-N 2-[7-(4-chlorobenzoyl)-1-benzofuran-5-yl]acetic acid Chemical compound C=12OC=CC2=CC(CC(=O)O)=CC=1C(=O)C1=CC=C(Cl)C=C1 CPUGJEXXTYFBLX-UHFFFAOYSA-N 0.000 claims description 5
- AXQIRRWHILWPAU-UHFFFAOYSA-N 2-[7-(4-methylbenzenecarbothioyl)-1-benzofuran-5-yl]acetic acid Chemical compound C1=CC(C)=CC=C1C(=S)C1=CC(CC(O)=O)=CC2=C1OC=C2 AXQIRRWHILWPAU-UHFFFAOYSA-N 0.000 claims description 5
- 125000003435 aroyl group Chemical group 0.000 claims description 5
- 150000002431 hydrogen Chemical class 0.000 claims description 5
- 125000002941 2-furyl group Chemical group O1C([*])=C([H])C([H])=C1[H] 0.000 claims description 4
- 125000000175 2-thienyl group Chemical group S1C([*])=C([H])C([H])=C1[H] 0.000 claims description 4
- 125000003682 3-furyl group Chemical group O1C([H])=C([*])C([H])=C1[H] 0.000 claims description 4
- 125000001541 3-thienyl group Chemical group S1C([H])=C([*])C([H])=C1[H] 0.000 claims description 4
- 125000004644 alkyl sulfinyl group Chemical group 0.000 claims description 4
- 125000004390 alkyl sulfonyl group Chemical group 0.000 claims description 4
- 125000004414 alkyl thio group Chemical group 0.000 claims description 4
- 150000004820 halides Chemical class 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 239000002168 alkylating agent Substances 0.000 claims description 2
- 229940100198 alkylating agent Drugs 0.000 claims description 2
- 230000002152 alkylating effect Effects 0.000 claims description 2
- 230000032050 esterification Effects 0.000 claims description 2
- 238000005886 esterification reaction Methods 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 1
- 239000000243 solution Substances 0.000 description 85
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 51
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 38
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 36
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 33
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 28
- 239000011541 reaction mixture Substances 0.000 description 23
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 20
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 20
- 239000000203 mixture Substances 0.000 description 20
- 238000010992 reflux Methods 0.000 description 20
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 18
- HBEDSQVIWPRPAY-UHFFFAOYSA-N 2,3-dihydrobenzofuran Chemical compound C1=CC=C2OCCC2=C1 HBEDSQVIWPRPAY-UHFFFAOYSA-N 0.000 description 15
- 239000002904 solvent Substances 0.000 description 15
- 125000001424 substituent group Chemical group 0.000 description 14
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 12
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- HZNVUJQVZSTENZ-UHFFFAOYSA-N 2,3-dichloro-5,6-dicyano-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(C#N)=C(C#N)C1=O HZNVUJQVZSTENZ-UHFFFAOYSA-N 0.000 description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- 239000004480 active ingredient Substances 0.000 description 10
- 239000000284 extract Substances 0.000 description 10
- 239000000546 pharmaceutical excipient Substances 0.000 description 10
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical group C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 description 8
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 8
- 206010061218 Inflammation Diseases 0.000 description 8
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 8
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 8
- 230000003110 anti-inflammatory effect Effects 0.000 description 8
- 230000004054 inflammatory process Effects 0.000 description 8
- 230000035935 pregnancy Effects 0.000 description 8
- 229910052938 sodium sulfate Inorganic materials 0.000 description 8
- 235000011152 sodium sulphate Nutrition 0.000 description 8
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 7
- 150000007513 acids Chemical class 0.000 description 7
- 239000002585 base Substances 0.000 description 7
- 230000008602 contraction Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- PCLIMKBDDGJMGD-UHFFFAOYSA-N N-bromosuccinimide Chemical compound BrN1C(=O)CCC1=O PCLIMKBDDGJMGD-UHFFFAOYSA-N 0.000 description 6
- 208000002193 Pain Diseases 0.000 description 6
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 238000000605 extraction Methods 0.000 description 6
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 6
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 6
- 231100000252 nontoxic Toxicity 0.000 description 6
- 230000003000 nontoxic effect Effects 0.000 description 6
- 230000036407 pain Effects 0.000 description 6
- 239000000825 pharmaceutical preparation Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 6
- 241000700159 Rattus Species 0.000 description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- IAFNMXBIRZBSFU-UHFFFAOYSA-N 2,3-dihydro-1-benzofuran-6-ol Chemical compound OC1=CC=C2CCOC2=C1 IAFNMXBIRZBSFU-UHFFFAOYSA-N 0.000 description 4
- YJUFGFXVASPYFQ-UHFFFAOYSA-N 2,3-dihydro-1-benzothiophene Chemical compound C1=CC=C2SCCC2=C1 YJUFGFXVASPYFQ-UHFFFAOYSA-N 0.000 description 4
- JODRRPJMQDFCBJ-UHFFFAOYSA-N 2-Hydroxy-4-methylbenzaldehyde Chemical compound CC1=CC=C(C=O)C(O)=C1 JODRRPJMQDFCBJ-UHFFFAOYSA-N 0.000 description 4
- GBDMODVZBPFQKI-UHFFFAOYSA-N 6-hydroxy-1-benzofuran-3-one Chemical compound OC1=CC=C2C(=O)COC2=C1 GBDMODVZBPFQKI-UHFFFAOYSA-N 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 4
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 4
- 241000699670 Mus sp. Species 0.000 description 4
- 229920002472 Starch Polymers 0.000 description 4
- OKJPEAGHQZHRQV-UHFFFAOYSA-N Triiodomethane Natural products IC(I)I OKJPEAGHQZHRQV-UHFFFAOYSA-N 0.000 description 4
- 230000000202 analgesic effect Effects 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000010533 azeotropic distillation Methods 0.000 description 4
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 239000000969 carrier Substances 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- 235000010980 cellulose Nutrition 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- OEYIOHPDSNJKLS-UHFFFAOYSA-N choline Chemical compound C[N+](C)(C)CCO OEYIOHPDSNJKLS-UHFFFAOYSA-N 0.000 description 4
- 229960001231 choline Drugs 0.000 description 4
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 210000003754 fetus Anatomy 0.000 description 4
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- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 4
- PHTQWCKDNZKARW-UHFFFAOYSA-N isoamylol Chemical compound CC(C)CCO PHTQWCKDNZKARW-UHFFFAOYSA-N 0.000 description 4
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 4
- 235000010755 mineral Nutrition 0.000 description 4
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- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 4
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- 239000007858 starting material Substances 0.000 description 4
- 239000000829 suppository Substances 0.000 description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 4
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 description 4
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- MMVUJVASBDVNGJ-UHFFFAOYSA-N 1-(2,3-dihydro-1-benzofuran-5-yl)ethanone Chemical compound CC(=O)C1=CC=C2OCCC2=C1 MMVUJVASBDVNGJ-UHFFFAOYSA-N 0.000 description 3
- LGKFAJYGCCSPHG-UHFFFAOYSA-N 2-(7-benzoyl-6-hydroxy-1-benzofuran-5-yl)acetic acid Chemical compound OC=1C(CC(=O)O)=CC=2C=COC=2C=1C(=O)C1=CC=CC=C1 LGKFAJYGCCSPHG-UHFFFAOYSA-N 0.000 description 3
- OPEZBTQQJZBECZ-UHFFFAOYSA-N 2-[7-(4-methoxybenzoyl)-1-benzofuran-5-yl]acetic acid Chemical compound C1=CC(OC)=CC=C1C(=O)C1=CC(CC(O)=O)=CC2=C1OC=C2 OPEZBTQQJZBECZ-UHFFFAOYSA-N 0.000 description 3
- VKXNPGFVKUGGKI-UHFFFAOYSA-N 2-[7-(4-methylbenzenecarbothioyl)-2,3-dihydro-1-benzofuran-5-yl]acetic acid Chemical compound C1=CC(C)=CC=C1C(=S)C1=CC(CC(O)=O)=CC2=C1OCC2 VKXNPGFVKUGGKI-UHFFFAOYSA-N 0.000 description 3
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- 241001465754 Metazoa Species 0.000 description 3
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- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 3
- 229930006000 Sucrose Natural products 0.000 description 3
- WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 description 3
- 239000012346 acetyl chloride Substances 0.000 description 3
- 239000013543 active substance Substances 0.000 description 3
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- 125000003118 aryl group Chemical group 0.000 description 3
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- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 239000002775 capsule Substances 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 235000010418 carrageenan Nutrition 0.000 description 3
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- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate trihydrate Substances [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- WLXALCKAKGDNAT-UHFFFAOYSA-N diazoethane Chemical compound CC=[N+]=[N-] WLXALCKAKGDNAT-UHFFFAOYSA-N 0.000 description 1
- LMEDOLJKVASKTP-UHFFFAOYSA-N dibutyl sulfate Chemical compound CCCCOS(=O)(=O)OCCCC LMEDOLJKVASKTP-UHFFFAOYSA-N 0.000 description 1
- NEFBYIFKOOEVPA-UHFFFAOYSA-K dicalcium phosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])([O-])=O NEFBYIFKOOEVPA-UHFFFAOYSA-K 0.000 description 1
- 229940038472 dicalcium phosphate Drugs 0.000 description 1
- 229910000390 dicalcium phosphate Inorganic materials 0.000 description 1
- 239000002027 dichloromethane extract Substances 0.000 description 1
- DENRZWYUOJLTMF-UHFFFAOYSA-N diethyl sulfate Chemical compound CCOS(=O)(=O)OCC DENRZWYUOJLTMF-UHFFFAOYSA-N 0.000 description 1
- 229940008406 diethyl sulfate Drugs 0.000 description 1
- QUJIVWINNPEYAS-UHFFFAOYSA-N dihexyl sulfate Chemical compound CCCCCCOS(=O)(=O)OCCCCCC QUJIVWINNPEYAS-UHFFFAOYSA-N 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- GAFRWLVTHPVQGK-UHFFFAOYSA-N dipentyl sulfate Chemical compound CCCCCOS(=O)(=O)OCCCCC GAFRWLVTHPVQGK-UHFFFAOYSA-N 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003937 drug carrier Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- FUNHNTBFKPEECN-UHFFFAOYSA-N ethyl 2-[7-(4-methylbenzoyl)-1-benzofuran-5-yl]acetate Chemical compound C=12OC=CC2=CC(CC(=O)OCC)=CC=1C(=O)C1=CC=C(C)C=C1 FUNHNTBFKPEECN-UHFFFAOYSA-N 0.000 description 1
- FCZCIXQGZOUIDN-UHFFFAOYSA-N ethyl 2-diethoxyphosphinothioyloxyacetate Chemical compound CCOC(=O)COP(=S)(OCC)OCC FCZCIXQGZOUIDN-UHFFFAOYSA-N 0.000 description 1
- 229940012017 ethylenediamine Drugs 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003527 fibrinolytic agent Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000001640 fractional crystallisation Methods 0.000 description 1
- 229940083124 ganglion-blocking antiadrenergic secondary and tertiary amines Drugs 0.000 description 1
- 229960002442 glucosamine Drugs 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 210000000548 hind-foot Anatomy 0.000 description 1
- HNDVDQJCIGZPNO-UHFFFAOYSA-N histidine Natural products OC(=O)C(N)CC1=CN=CN1 HNDVDQJCIGZPNO-UHFFFAOYSA-N 0.000 description 1
- 229960002885 histidine Drugs 0.000 description 1
- XGIHQYAWBCFNPY-AZOCGYLKSA-N hydrabamine Chemical compound C([C@@H]12)CC3=CC(C(C)C)=CC=C3[C@@]2(C)CCC[C@@]1(C)CNCCNC[C@@]1(C)[C@@H]2CCC3=CC(C(C)C)=CC=C3[C@@]2(C)CCC1 XGIHQYAWBCFNPY-AZOCGYLKSA-N 0.000 description 1
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000002440 hydroxy compounds Chemical class 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000008297 liquid dosage form Substances 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
- 239000006194 liquid suspension Substances 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- MMIPFLVOWGHZQD-UHFFFAOYSA-N manganese(3+) Chemical class [Mn+3] MMIPFLVOWGHZQD-UHFFFAOYSA-N 0.000 description 1
- UCFFGYASXIPWPD-UHFFFAOYSA-N methyl hypochlorite Chemical compound COCl UCFFGYASXIPWPD-UHFFFAOYSA-N 0.000 description 1
- 125000002816 methylsulfanyl group Chemical group [H]C([H])([H])S[*] 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- UYYCVBASZNFFRX-UHFFFAOYSA-N n-propan-2-ylcyclohexanamine Chemical compound CC(C)NC1CCCCC1 UYYCVBASZNFFRX-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 239000007935 oral tablet Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920002523 polyethylene Glycol 1000 Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 208000026440 premature labor Diseases 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- MFDFERRIHVXMIY-UHFFFAOYSA-N procaine Chemical compound CCN(CC)CCOC(=O)C1=CC=C(N)C=C1 MFDFERRIHVXMIY-UHFFFAOYSA-N 0.000 description 1
- 229960004919 procaine Drugs 0.000 description 1
- RZWZRACFZGVKFM-UHFFFAOYSA-N propanoyl chloride Chemical class CCC(Cl)=O RZWZRACFZGVKFM-UHFFFAOYSA-N 0.000 description 1
- 238000011321 prophylaxis Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003212 purines Chemical class 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 206010039073 rheumatoid arthritis Diseases 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000008299 semisolid dosage form Substances 0.000 description 1
- 238000010898 silica gel chromatography Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000007909 solid dosage form Substances 0.000 description 1
- 229940035044 sorbitan monolaurate Drugs 0.000 description 1
- 239000001590 sorbitan monolaureate Substances 0.000 description 1
- 235000011067 sorbitan monolaureate Nutrition 0.000 description 1
- 239000012258 stirred mixture Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229960004559 theobromine Drugs 0.000 description 1
- 238000004809 thin layer chromatography Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- 210000004291 uterus Anatomy 0.000 description 1
- 239000006216 vaginal suppository Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D407/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00
- C07D407/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings
- C07D407/06—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/04—Centrally acting analgesics, e.g. opioids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
-
- 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
- C07D307/82—Benzo [b] furans; Hydrogenated benzo [b] furans with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
- C07D307/83—Oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
- C07D333/52—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes
- C07D333/54—Benzo[b]thiophenes; Hydrogenated benzo[b]thiophenes with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D407/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00
- C07D407/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings
- C07D407/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
- C07D409/06—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Veterinary Medicine (AREA)
- Pharmacology & Pharmacy (AREA)
- Pain & Pain Management (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Rheumatology (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Furan Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US51354583A | 1983-07-14 | 1983-07-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
NO842878L true NO842878L (no) | 1985-01-15 |
Family
ID=24043724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO842878A NO842878L (no) | 1983-07-14 | 1984-07-13 | Fremgangsaate for fremstilling av terapeutisk aktive aroyl-substituerte benzofuran- og -benzotiofen-eddiksyre- og -propionsyre-derivater |
Country Status (22)
Country | Link |
---|---|
EP (1) | EP0132130B1 (es) |
JP (1) | JPS6038376A (es) |
KR (1) | KR880002533B1 (es) |
AR (1) | AR240815A1 (es) |
AT (1) | ATE50769T1 (es) |
AU (1) | AU567953B2 (es) |
CA (1) | CA1241008A (es) |
CS (1) | CS252476B2 (es) |
DE (1) | DE3481512D1 (es) |
DK (1) | DK347484A (es) |
ES (2) | ES8604554A1 (es) |
FI (1) | FI842738A (es) |
GR (1) | GR79949B (es) |
HU (1) | HU200450B (es) |
IL (1) | IL72409A (es) |
NO (1) | NO842878L (es) |
NZ (1) | NZ208894A (es) |
PH (1) | PH20790A (es) |
PL (4) | PL255162A1 (es) |
PT (1) | PT78905B (es) |
SU (2) | SU1409130A3 (es) |
ZA (1) | ZA845445B (es) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0226670B1 (en) * | 1985-12-04 | 1991-04-10 | Imperial Chemical Industries Plc | Process for hydroxyaraldehydes |
GB8825505D0 (en) | 1988-11-01 | 1988-12-07 | Pfizer Ltd | Therapeutic agents |
ES2301161T3 (es) * | 1994-07-27 | 2008-06-16 | Vanderbilt University | Compuestos de dihidrobenzofurano y compuestos relacionados utiles como agentes anti-inflamatorios. |
US5656661A (en) * | 1994-07-27 | 1997-08-12 | The Procter & Gamble Company | Dihydrobenzofuran and related compounds useful as anti-inflammatory agents |
US5684002A (en) * | 1994-09-07 | 1997-11-04 | The Procter & Gamble Company | Dihydorbenzofuran and related compounds useful as anti-inflammatory agents |
US5672620A (en) * | 1996-02-01 | 1997-09-30 | The Procter & Gamble Company | Dihydrobenzofuran and related compounds useful as anti-inflammatory agents |
US5684031A (en) * | 1996-02-01 | 1997-11-04 | The Procter & Gamble Company | Dihydrobenzofuran and related compounds useful as anti-inflammatory agents |
GB9814801D0 (en) * | 1998-07-09 | 1998-09-09 | Univ Strathclyde | Integrin dependent cell adhesion inhibitors |
US7232835B2 (en) | 2002-12-10 | 2007-06-19 | Ranbaxy Laboratories Limited | 3,6-Disubstituted azabicyclo derivatives as muscarinic receptor antagonists |
WO2023210740A1 (ja) * | 2022-04-28 | 2023-11-02 | 第一三共株式会社 | ベンゾチオフェン化合物 |
CN115403544B (zh) * | 2022-09-16 | 2024-05-31 | 台州永健医药科技有限公司 | 一种丹酚酸c的制备方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2077733B1 (es) * | 1970-02-10 | 1973-03-16 | Roussel Uclaf | |
DE2909754A1 (de) * | 1979-03-13 | 1980-09-18 | Thomae Gmbh Dr K | Neue benzofuran- und benzothiophenderivate, deren herstellung und deren verwendung als arzneimittel |
US4237144A (en) * | 1979-06-21 | 1980-12-02 | Merck & Co., Inc. | 2,3-Dihydro-2,6,7-trisubstituted-5-acylbenzofurans |
DE2931672A1 (de) * | 1979-08-04 | 1981-02-26 | Basf Ag | Substituierte 2,3-dihydrobenzofurylmethylester, verfahren zu ihrer herstellung und ihre verwendung zur bekaempfung von schaedlingen |
JPS5951275A (ja) * | 1982-05-31 | 1984-03-24 | Sumitomo Chem Co Ltd | 新規な複素環化合物 |
EP0117675B1 (en) * | 1983-02-19 | 1986-07-23 | Beecham Group Plc | Benzofuran and benzothiophene-carboxylic-acid derivatives |
-
1984
- 1984-07-09 FI FI842738A patent/FI842738A/fi not_active Application Discontinuation
- 1984-07-13 ES ES534324A patent/ES8604554A1/es not_active Expired
- 1984-07-13 DK DK347484A patent/DK347484A/da not_active Application Discontinuation
- 1984-07-13 NO NO842878A patent/NO842878L/no unknown
- 1984-07-13 DE DE8484304793T patent/DE3481512D1/de not_active Expired - Fee Related
- 1984-07-13 PH PH30987A patent/PH20790A/en unknown
- 1984-07-13 EP EP84304793A patent/EP0132130B1/en not_active Expired - Lifetime
- 1984-07-13 NZ NZ208894A patent/NZ208894A/en unknown
- 1984-07-13 CA CA000458906A patent/CA1241008A/en not_active Expired
- 1984-07-13 SU SU843765004A patent/SU1409130A3/ru active
- 1984-07-13 GR GR75294A patent/GR79949B/el unknown
- 1984-07-13 IL IL72409A patent/IL72409A/xx unknown
- 1984-07-13 AU AU30593/84A patent/AU567953B2/en not_active Ceased
- 1984-07-13 PL PL25516284A patent/PL255162A1/xx unknown
- 1984-07-13 AR AR297217A patent/AR240815A1/es active
- 1984-07-13 HU HU842740A patent/HU200450B/hu not_active IP Right Cessation
- 1984-07-13 PL PL1984248729A patent/PL145622B1/pl unknown
- 1984-07-13 KR KR1019840004126A patent/KR880002533B1/ko not_active IP Right Cessation
- 1984-07-13 PL PL1984255163A patent/PL146523B1/pl unknown
- 1984-07-13 CS CS845459A patent/CS252476B2/cs unknown
- 1984-07-13 PT PT78905A patent/PT78905B/pt unknown
- 1984-07-13 AT AT84304793T patent/ATE50769T1/de not_active IP Right Cessation
- 1984-07-13 ZA ZA845445A patent/ZA845445B/xx unknown
- 1984-07-13 JP JP59146685A patent/JPS6038376A/ja active Pending
- 1984-07-13 PL PL1984255164A patent/PL146833B1/pl unknown
-
1985
- 1985-06-25 ES ES544539A patent/ES8607960A1/es not_active Expired
-
1986
- 1986-02-07 SU SU864024097A patent/SU1614762A3/ru active
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