NO814458L - Fremgangsmaate ved fremstilling av tetrahydro-1,2,4-oxadiazin-5-on-derivater med antikonvulsiv aktivitet - Google Patents
Fremgangsmaate ved fremstilling av tetrahydro-1,2,4-oxadiazin-5-on-derivater med antikonvulsiv aktivitetInfo
- Publication number
- NO814458L NO814458L NO814458A NO814458A NO814458L NO 814458 L NO814458 L NO 814458L NO 814458 A NO814458 A NO 814458A NO 814458 A NO814458 A NO 814458A NO 814458 L NO814458 L NO 814458L
- Authority
- NO
- Norway
- Prior art keywords
- general formula
- tetrahydro
- oxadiazin
- hydrogen
- phenyl
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 25
- 238000002360 preparation method Methods 0.000 title claims description 9
- KZAHNMSGMVNNOR-UHFFFAOYSA-N 1,2,4-oxadiazinan-5-one Chemical class O=C1CONCN1 KZAHNMSGMVNNOR-UHFFFAOYSA-N 0.000 title claims description 7
- 230000002082 anti-convulsion Effects 0.000 title 1
- 150000001875 compounds Chemical class 0.000 claims description 32
- 229910052739 hydrogen Inorganic materials 0.000 claims description 29
- 239000001257 hydrogen Substances 0.000 claims description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
- -1 N-substituted carbamoyl Chemical group 0.000 claims description 9
- 150000002431 hydrogen Chemical class 0.000 claims description 9
- 125000004432 carbon atom Chemical group C* 0.000 claims description 8
- 239000007858 starting material Substances 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 229910052736 halogen Inorganic materials 0.000 claims description 6
- 150000002367 halogens Chemical group 0.000 claims description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 6
- 150000008065 acid anhydrides Chemical class 0.000 claims description 5
- 125000006678 phenoxycarbonyl group Chemical group 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- 125000002252 acyl group Chemical group 0.000 claims description 4
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 claims description 4
- 238000009903 catalytic hydrogenation reaction Methods 0.000 claims 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 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 235000019253 formic acid Nutrition 0.000 claims description 3
- 239000012429 reaction media Substances 0.000 claims description 3
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 claims description 2
- 125000004423 acyloxy group Chemical group 0.000 claims description 2
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 claims description 2
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 claims description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 2
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 claims description 2
- 239000012948 isocyanate Substances 0.000 claims description 2
- 150000002513 isocyanates Chemical class 0.000 claims description 2
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 2
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 claims description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 2
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 2
- WKDSDGGFDDJOGO-UHFFFAOYSA-N 2h-oxadiazin-5-one Chemical class O=C1CONN=C1 WKDSDGGFDDJOGO-UHFFFAOYSA-N 0.000 claims 1
- 125000000467 secondary amino group Chemical class [H]N([*:1])[*:2] 0.000 claims 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 21
- 239000000203 mixture Substances 0.000 description 20
- 239000000243 solution Substances 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 16
- 241001465754 Metazoa Species 0.000 description 12
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 12
- 238000012360 testing method Methods 0.000 description 11
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 10
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 10
- 125000003118 aryl group Chemical group 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 238000002329 infrared spectrum Methods 0.000 description 8
- 239000000706 filtrate Substances 0.000 description 7
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 6
- 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
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 6
- CWRVKFFCRWGWCS-UHFFFAOYSA-N Pentrazole Chemical compound C1CCCCC2=NN=NN21 CWRVKFFCRWGWCS-UHFFFAOYSA-N 0.000 description 6
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 6
- 101150041968 CDC13 gene Proteins 0.000 description 5
- 208000005392 Spasm Diseases 0.000 description 5
- 238000005917 acylation reaction Methods 0.000 description 5
- 230000001773 anti-convulsant effect Effects 0.000 description 5
- 239000001961 anticonvulsive agent Substances 0.000 description 5
- 229960003965 antiepileptics Drugs 0.000 description 5
- 239000011541 reaction mixture Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 238000004809 thin layer chromatography Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- OHBHQSGWZURHMM-UHFFFAOYSA-N 2-acetyl-3-phenyl-1,2,4-oxadiazinan-5-one Chemical compound CC(=O)N1OCC(=O)NC1C1=CC=CC=C1 OHBHQSGWZURHMM-UHFFFAOYSA-N 0.000 description 4
- ZQCUBBUODMUUFS-UHFFFAOYSA-N 3-phenyl-1,2,4-oxadiazinan-5-one Chemical compound N1C(=O)CONC1C1=CC=CC=C1 ZQCUBBUODMUUFS-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- 230000010933 acylation Effects 0.000 description 4
- 150000001408 amides Chemical class 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- XWHMKUCXNREQAK-UHFFFAOYSA-N 1,2,4-oxadiazinane Chemical class C1CONCN1 XWHMKUCXNREQAK-UHFFFAOYSA-N 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000004480 active ingredient Substances 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 239000000908 ammonium hydroxide Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000002887 neurotoxic effect Effects 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000000825 pharmaceutical preparation Substances 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000001256 tonic effect Effects 0.000 description 3
- 238000005160 1H NMR spectroscopy Methods 0.000 description 2
- OMKHYSWUWNAZJF-UHFFFAOYSA-N 2,4-diacetyl-3-phenyl-1,2,4-oxadiazinan-5-one Chemical compound CC(=O)N1OCC(=O)N(C(C)=O)C1C1=CC=CC=C1 OMKHYSWUWNAZJF-UHFFFAOYSA-N 0.000 description 2
- SUXOMMYSQXWWES-UHFFFAOYSA-N 3-propyl-1,2,4-oxadiazinan-5-one Chemical compound CCCC1NOCC(=O)N1 SUXOMMYSQXWWES-UHFFFAOYSA-N 0.000 description 2
- ZUKOKYYUGJIXHN-UHFFFAOYSA-N 5-oxo-3-phenyl-1,2,4-oxadiazinane-2-carbaldehyde Chemical compound O=CN1OCC(=O)NC1C1=CC=CC=C1 ZUKOKYYUGJIXHN-UHFFFAOYSA-N 0.000 description 2
- OPSFGGBRXYWWAG-UHFFFAOYSA-N 5-oxo-3-propyl-1,2,4-oxadiazinane-2-carboxamide Chemical compound CCCC1NC(=O)CON1C(N)=O OPSFGGBRXYWWAG-UHFFFAOYSA-N 0.000 description 2
- 206010009346 Clonus Diseases 0.000 description 2
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- 241000699670 Mus sp. Species 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- WCLPTQBGQOZZEA-UHFFFAOYSA-N benzyl 5-oxo-3-phenyl-1,2,4-oxadiazinane-2-carboxylate Chemical compound O1CC(=O)NC(C=2C=CC=CC=2)N1C(=O)OCC1=CC=CC=C1 WCLPTQBGQOZZEA-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- 239000012442 inert solvent Substances 0.000 description 2
- 210000003141 lower extremity Anatomy 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- FCHZEGDAFCYQDN-UHFFFAOYSA-N n-butyl-5-oxo-3-propyl-1,2,4-oxadiazinane-2-carboxamide Chemical compound CCCCNC(=O)N1OCC(=O)NC1CCC FCHZEGDAFCYQDN-UHFFFAOYSA-N 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 239000003791 organic solvent mixture Substances 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 238000007911 parenteral administration Methods 0.000 description 2
- XZUBHXSRDPGSKW-UHFFFAOYSA-N phenyl 5-oxo-3-propyl-1,2,4-oxadiazinane-2-carboxylate Chemical compound CCCC1NC(=O)CON1C(=O)OC1=CC=CC=C1 XZUBHXSRDPGSKW-UHFFFAOYSA-N 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 206010003591 Ataxia Diseases 0.000 description 1
- 206010010947 Coordination abnormal Diseases 0.000 description 1
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 1
- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 description 1
- 208000007101 Muscle Cramp Diseases 0.000 description 1
- TZRXHJWUDPFEEY-UHFFFAOYSA-N Pentaerythritol Tetranitrate Chemical compound [O-][N+](=O)OCC(CO[N+]([O-])=O)(CO[N+]([O-])=O)CO[N+]([O-])=O TZRXHJWUDPFEEY-UHFFFAOYSA-N 0.000 description 1
- CXOFVDLJLONNDW-UHFFFAOYSA-N Phenytoin Chemical compound N1C(=O)NC(=O)C1(C=1C=CC=CC=1)C1=CC=CC=C1 CXOFVDLJLONNDW-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 241000906446 Theraps Species 0.000 description 1
- WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 description 1
- 239000012346 acetyl chloride Substances 0.000 description 1
- 230000007059 acute toxicity Effects 0.000 description 1
- 231100000403 acute toxicity Toxicity 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229940053195 antiepileptics hydantoin derivative Drugs 0.000 description 1
- 125000001584 benzyloxycarbonyl group Chemical group C(=O)(OCC1=CC=CC=C1)* 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006352 cycloaddition reaction Methods 0.000 description 1
- 229910052805 deuterium Inorganic materials 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000001037 epileptic effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000001469 hydantoins Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 208000016290 incoordination Diseases 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010253 intravenous injection Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 231100000518 lethal Toxicity 0.000 description 1
- 230000001665 lethal effect Effects 0.000 description 1
- GMHKMTDVRCWUDX-UHFFFAOYSA-N mephenytoin Chemical compound C=1C=CC=CC=1C1(CC)NC(=O)N(C)C1=O GMHKMTDVRCWUDX-UHFFFAOYSA-N 0.000 description 1
- 230000003387 muscular Effects 0.000 description 1
- JFLWIOVDKRZVLU-UHFFFAOYSA-N n-(2-morpholin-4-ylethyl)-n'-propan-2-yloxamide Chemical compound CC(C)NC(=O)C(=O)NCCN1CCOCC1 JFLWIOVDKRZVLU-UHFFFAOYSA-N 0.000 description 1
- HNHVTXYLRVGMHD-UHFFFAOYSA-N n-butyl isocyanate Chemical compound CCCCN=C=O HNHVTXYLRVGMHD-UHFFFAOYSA-N 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 125000004043 oxo group Chemical group O=* 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- AHWALFGBDFAJAI-UHFFFAOYSA-N phenyl carbonochloridate Chemical compound ClC(=O)OC1=CC=CC=C1 AHWALFGBDFAJAI-UHFFFAOYSA-N 0.000 description 1
- UYWQUFXKFGHYNT-UHFFFAOYSA-N phenylmethyl ester of formic acid Natural products O=COCC1=CC=CC=C1 UYWQUFXKFGHYNT-UHFFFAOYSA-N 0.000 description 1
- 229960002036 phenytoin Drugs 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000013558 reference substance Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- ILWRPSCZWQJDMK-UHFFFAOYSA-N triethylazanium;chloride Chemical compound Cl.CCN(CC)CC ILWRPSCZWQJDMK-UHFFFAOYSA-N 0.000 description 1
- 238000001665 trituration Methods 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU316480A HU181587B (hu) | 1980-12-31 | 1980-12-31 | Eljárás antikonvulzív hatású tetrahidro-í,2,4-oxadiazin-5-on-származékok előállítására |
Publications (1)
Publication Number | Publication Date |
---|---|
NO814458L true NO814458L (no) | 1982-07-01 |
Family
ID=10962893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO814458A NO814458L (no) | 1980-12-31 | 1981-12-29 | Fremgangsmaate ved fremstilling av tetrahydro-1,2,4-oxadiazin-5-on-derivater med antikonvulsiv aktivitet |
Country Status (7)
Country | Link |
---|---|
DK (1) | DK580981A (pt) |
FI (1) | FI814193L (pt) |
GR (1) | GR76982B (pt) |
HU (1) | HU181587B (pt) |
NO (1) | NO814458L (pt) |
PL (1) | PL234548A1 (pt) |
PT (1) | PT74222B (pt) |
-
1980
- 1980-12-31 HU HU316480A patent/HU181587B/hu unknown
-
1981
- 1981-12-29 FI FI814193A patent/FI814193L/fi not_active Application Discontinuation
- 1981-12-29 GR GR66922A patent/GR76982B/el unknown
- 1981-12-29 PT PT7422281A patent/PT74222B/pt unknown
- 1981-12-29 DK DK580981A patent/DK580981A/da not_active Application Discontinuation
- 1981-12-29 NO NO814458A patent/NO814458L/no unknown
- 1981-12-31 PL PL23454881A patent/PL234548A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GR76982B (pt) | 1984-09-04 |
PL234548A1 (en) | 1983-02-28 |
PT74222A (en) | 1982-01-01 |
DK580981A (da) | 1982-07-01 |
FI814193L (fi) | 1982-07-01 |
PT74222B (en) | 1983-06-06 |
HU181587B (hu) | 1983-10-28 |
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