IL32744A - Phenobarbitals,barbitals and hydantoins,their preparation and pharmaceutical compositions containing them - Google Patents
Phenobarbitals,barbitals and hydantoins,their preparation and pharmaceutical compositions containing themInfo
- Publication number
- IL32744A IL32744A IL32744A IL3274469A IL32744A IL 32744 A IL32744 A IL 32744A IL 32744 A IL32744 A IL 32744A IL 3274469 A IL3274469 A IL 3274469A IL 32744 A IL32744 A IL 32744A
- Authority
- IL
- Israel
- Prior art keywords
- compound
- ethyl
- solution
- ethanol
- diphenylhydantoin
- Prior art date
Links
- 238000002360 preparation method Methods 0.000 title description 2
- 150000001469 hydantoins Chemical class 0.000 title 1
- 239000008194 pharmaceutical composition Substances 0.000 title 1
- 150000001875 compounds Chemical class 0.000 claims description 38
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 29
- 239000000203 mixture Substances 0.000 claims description 16
- -1 phenyl radicals Chemical class 0.000 claims description 16
- 241001465754 Metazoa Species 0.000 claims description 13
- 229960002036 phenytoin Drugs 0.000 claims description 10
- 206010010904 Convulsion Diseases 0.000 claims description 8
- 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 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 125000003545 alkoxy group Chemical group 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 125000004849 alkoxymethyl group Chemical group 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 230000036461 convulsion Effects 0.000 claims description 3
- QUPDWYMUPZLYJZ-UHFFFAOYSA-N ethyl Chemical group C[CH2] QUPDWYMUPZLYJZ-UHFFFAOYSA-N 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- CIUQDSCDWFSTQR-UHFFFAOYSA-N [C]1=CC=CC=C1 Chemical compound [C]1=CC=CC=C1 CIUQDSCDWFSTQR-UHFFFAOYSA-N 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 4
- 230000001225 therapeutic effect Effects 0.000 claims 2
- IQGRQQUZSSXOOL-UHFFFAOYSA-N 1,5,5-triphenylimidazolidine-2,4-dione Chemical compound O=C1NC(=O)C(C=2C=CC=CC=2)(C=2C=CC=CC=2)N1C1=CC=CC=C1 IQGRQQUZSSXOOL-UHFFFAOYSA-N 0.000 claims 1
- 150000001340 alkali metals Chemical class 0.000 claims 1
- 150000001447 alkali salts Chemical class 0.000 claims 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 125000004184 methoxymethyl group Chemical group [H]C([H])([H])OC([H])([H])* 0.000 claims 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 66
- 239000000243 solution Substances 0.000 description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 27
- 230000000694 effects Effects 0.000 description 24
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 21
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 21
- 238000009835 boiling Methods 0.000 description 20
- 239000000725 suspension Substances 0.000 description 20
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 19
- 229960002695 phenobarbital Drugs 0.000 description 19
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 17
- DDBREPKUVSBGFI-UHFFFAOYSA-N phenobarbital Chemical compound C=1C=CC=CC=1C1(CC)C(=O)NC(=O)NC1=O DDBREPKUVSBGFI-UHFFFAOYSA-N 0.000 description 17
- 239000001961 anticonvulsive agent Substances 0.000 description 16
- 238000001914 filtration Methods 0.000 description 14
- 239000000047 product Substances 0.000 description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 13
- 230000001773 anti-convulsant effect Effects 0.000 description 13
- 229960003965 antiepileptics Drugs 0.000 description 13
- 239000013078 crystal Substances 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 239000010410 layer Substances 0.000 description 12
- 238000005406 washing Methods 0.000 description 12
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- FTOAOBMCPZCFFF-UHFFFAOYSA-N 5,5-diethylbarbituric acid Chemical compound CCC1(CC)C(=O)NC(=O)NC1=O FTOAOBMCPZCFFF-UHFFFAOYSA-N 0.000 description 8
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 238000002425 crystallisation Methods 0.000 description 7
- 230000008025 crystallization Effects 0.000 description 7
- 235000019439 ethyl acetate Nutrition 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 6
- 125000004423 acyloxy group Chemical group 0.000 description 6
- 229940093499 ethyl acetate Drugs 0.000 description 6
- 230000000147 hypnotic effect Effects 0.000 description 6
- 230000000144 pharmacologic effect Effects 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 6
- 229910052938 sodium sulfate Inorganic materials 0.000 description 6
- 235000011152 sodium sulphate Nutrition 0.000 description 6
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 5
- 229960002319 barbital Drugs 0.000 description 5
- 239000012043 crude product Substances 0.000 description 5
- 239000008098 formaldehyde solution Substances 0.000 description 5
- 239000005457 ice water Substances 0.000 description 5
- WRLGYAWRGXKSKG-UHFFFAOYSA-M phenobarbital sodium Chemical compound [Na+].C=1C=CC=CC=1C1(CC)C(=O)NC([O-])=NC1=O WRLGYAWRGXKSKG-UHFFFAOYSA-M 0.000 description 5
- 229960002511 phenobarbital sodium Drugs 0.000 description 5
- 239000012265 solid product Substances 0.000 description 5
- CWRVKFFCRWGWCS-UHFFFAOYSA-N Pentrazole Chemical compound C1CCCCC2=NN=NN21 CWRVKFFCRWGWCS-UHFFFAOYSA-N 0.000 description 4
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 239000011343 solid material Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 3
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 3
- 229940125681 anticonvulsant agent Drugs 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 230000007971 neurological deficit Effects 0.000 description 3
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 3
- GOOCRIHPADOQAS-ZNUXJMJHSA-N (4ar,5as,8ar,13as,15as,15br)-4a,5,5a,7,8,13a,15,15a,15b,16-decahydro-2h-4,6-methanoindolo[3,2,1-ij]oxepino[2,3,4-de]pyrrolo[2,3-h]quinoline-14-one;sulfuric acid Chemical compound OS(O)(=O)=O.O([C@H]1CC(N([C@H]2[C@H]1[C@H]1C3)C=4C5=CC=CC=4)=O)CC=C1CN1[C@@H]3[C@]25CC1.O([C@H]1CC(N([C@H]2[C@H]1[C@H]1C3)C=4C5=CC=CC=4)=O)CC=C1CN1[C@@H]3[C@]25CC1 GOOCRIHPADOQAS-ZNUXJMJHSA-N 0.000 description 2
- HKBLPEOSSYWYKE-UHFFFAOYSA-N 3-(methoxymethyl)-5,5-diphenylimidazolidine-2,4-dione Chemical compound O=C1N(COC)C(=O)NC1(C=1C=CC=CC=1)C1=CC=CC=C1 HKBLPEOSSYWYKE-UHFFFAOYSA-N 0.000 description 2
- XJUZRXYOEPSWMB-UHFFFAOYSA-N Chloromethyl methyl ether Chemical compound COCCl XJUZRXYOEPSWMB-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 231100000403 acute toxicity Toxicity 0.000 description 2
- 230000007059 acute toxicity Effects 0.000 description 2
- 125000005042 acyloxymethyl group Chemical group 0.000 description 2
- 229940061627 chloromethyl methyl ether Drugs 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000007031 hydroxymethylation reaction Methods 0.000 description 2
- 238000007912 intraperitoneal administration Methods 0.000 description 2
- 231100000636 lethal dose Toxicity 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920002866 paraformaldehyde Polymers 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 229960000412 strychnine sulfate Drugs 0.000 description 2
- 230000001256 tonic effect Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- FBFCVJNZKBVVRP-UHFFFAOYSA-N (2,5-dioxo-4,4-diphenylimidazolidin-1-yl)methyl acetate Chemical compound O=C1N(COC(=O)C)C(=O)NC1(C=1C=CC=CC=1)C1=CC=CC=C1 FBFCVJNZKBVVRP-UHFFFAOYSA-N 0.000 description 1
- ALARQZQTBTVLJV-CYBMUJFWSA-N (5r)-5-ethyl-1-methyl-5-phenyl-1,3-diazinane-2,4,6-trione Chemical compound C=1C=CC=CC=1[C@]1(CC)C(=O)NC(=O)N(C)C1=O ALARQZQTBTVLJV-CYBMUJFWSA-N 0.000 description 1
- KIRLBCKNLVOUDA-UHFFFAOYSA-N 1-(chloromethoxy)dodecane Chemical compound CCCCCCCCCCCCOCCl KIRLBCKNLVOUDA-UHFFFAOYSA-N 0.000 description 1
- 241000220479 Acacia Species 0.000 description 1
- 206010002065 Anaemia megaloblastic Diseases 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 206010020112 Hirsutism Diseases 0.000 description 1
- 235000010643 Leucaena leucocephala Nutrition 0.000 description 1
- 208000000682 Megaloblastic Anemia Diseases 0.000 description 1
- FWJKNZONDWOGMI-UHFFFAOYSA-N Metharbital Chemical compound CCC1(CC)C(=O)NC(=O)N(C)C1=O FWJKNZONDWOGMI-UHFFFAOYSA-N 0.000 description 1
- 241000699670 Mus sp. Species 0.000 description 1
- QMGVPVSNSZLJIA-UHFFFAOYSA-N Nux Vomica Natural products C1C2C3C4N(C=5C6=CC=CC=5)C(=O)CC3OCC=C2CN2C1C46CC2 QMGVPVSNSZLJIA-UHFFFAOYSA-N 0.000 description 1
- 208000002719 Substance-Induced Psychoses Diseases 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 125000003668 acetyloxy group Chemical group [H]C([H])([H])C(=O)O[*] 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 231100000460 acute oral toxicity Toxicity 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229940125717 barbiturate Drugs 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- RTEXIPZMMDUXMR-UHFFFAOYSA-N benzene;ethyl acetate Chemical compound CCOC(C)=O.C1=CC=CC=C1 RTEXIPZMMDUXMR-UHFFFAOYSA-N 0.000 description 1
- 125000001231 benzoyloxy group Chemical group C(C1=CC=CC=C1)(=O)O* 0.000 description 1
- 235000019445 benzyl alcohol Nutrition 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 125000000051 benzyloxy group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])O* 0.000 description 1
- MDHYEMXUFSJLGV-UHFFFAOYSA-N beta-phenethyl acetate Natural products CC(=O)OCCC1=CC=CC=C1 MDHYEMXUFSJLGV-UHFFFAOYSA-N 0.000 description 1
- 150000001244 carboxylic acid anhydrides Chemical class 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- FCYRSDMGOLYDHL-UHFFFAOYSA-N chloromethoxyethane Chemical compound CCOCCl FCYRSDMGOLYDHL-UHFFFAOYSA-N 0.000 description 1
- LADPCMZCENPFGV-UHFFFAOYSA-N chloromethoxymethylbenzene Chemical compound ClCOCC1=CC=CC=C1 LADPCMZCENPFGV-UHFFFAOYSA-N 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000002566 clonic effect Effects 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 230000002920 convulsive effect Effects 0.000 description 1
- MHDVGSVTJDSBDK-UHFFFAOYSA-N dibenzyl ether Chemical compound C=1C=CC=CC=1COCC1=CC=CC=C1 MHDVGSVTJDSBDK-UHFFFAOYSA-N 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 206010015037 epilepsy Diseases 0.000 description 1
- DACOQFZGGLCXMA-UHFFFAOYSA-N eterobarb Chemical compound C=1C=CC=CC=1C1(CC)C(=O)N(COC)C(=O)N(COC)C1=O DACOQFZGGLCXMA-UHFFFAOYSA-N 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000037406 food intake Effects 0.000 description 1
- 208000007565 gingivitis Diseases 0.000 description 1
- 230000001969 hypertrophic effect Effects 0.000 description 1
- 239000000644 isotonic solution Substances 0.000 description 1
- 231100001016 megaloblastic anemia Toxicity 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229960002057 metharbital Drugs 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000007069 methylation reaction Methods 0.000 description 1
- 229960001703 methylphenobarbital Drugs 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 229940021222 peritoneal dialysis isotonic solution Drugs 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- WYVAMUWZEOHJOQ-UHFFFAOYSA-N propionic anhydride Chemical compound CCC(=O)OC(=O)CC WYVAMUWZEOHJOQ-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000028527 righting reflex Effects 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members 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 ring carbon atoms
- C07D233/72—Two oxygen atoms, e.g. hydantoin
- C07D233/74—Two oxygen atoms, e.g. hydantoin with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to other ring members
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members 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 ring carbon atoms
- C07D233/72—Two oxygen atoms, e.g. hydantoin
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US74997268A | 1968-08-05 | 1968-08-05 | |
| US74997368A | 1968-08-05 | 1968-08-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL32744A0 IL32744A0 (en) | 1969-09-25 |
| IL32744A true IL32744A (en) | 1972-12-29 |
Family
ID=27115204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL32744A IL32744A (en) | 1968-08-05 | 1969-07-30 | Phenobarbitals,barbitals and hydantoins,their preparation and pharmaceutical compositions containing them |
Country Status (9)
| Country | Link |
|---|---|
| AT (2) | AT309462B (de) |
| BE (1) | BE737072A (de) |
| CH (1) | CH521350A (de) |
| ES (1) | ES370220A1 (de) |
| FR (1) | FR2015091B1 (de) |
| GB (1) | GB1276386A (de) |
| IL (1) | IL32744A (de) |
| LU (1) | LU59232A1 (de) |
| NL (1) | NL154117B (de) |
-
1969
- 1969-07-30 IL IL32744A patent/IL32744A/en unknown
- 1969-08-01 NL NL696911818A patent/NL154117B/xx not_active IP Right Cessation
- 1969-08-04 CH CH1181869A patent/CH521350A/fr not_active IP Right Cessation
- 1969-08-04 ES ES370220A patent/ES370220A1/es not_active Expired
- 1969-08-05 BE BE737072D patent/BE737072A/xx not_active IP Right Cessation
- 1969-08-05 GB GB39252/69A patent/GB1276386A/en not_active Expired
- 1969-08-05 AT AT754069A patent/AT309462B/de not_active IP Right Cessation
- 1969-08-05 FR FR6926862A patent/FR2015091B1/fr not_active Expired
- 1969-08-05 LU LU59232D patent/LU59232A1/xx unknown
- 1969-08-05 AT AT612071A patent/AT303755B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AT309462B (de) | 1973-08-27 |
| AT303755B (de) | 1972-12-11 |
| LU59232A1 (de) | 1970-02-05 |
| FR2015091B1 (de) | 1974-01-11 |
| NL6911818A (de) | 1970-02-09 |
| IL32744A0 (en) | 1969-09-25 |
| GB1276386A (en) | 1972-06-01 |
| ES370220A1 (es) | 1971-04-01 |
| FR2015091A1 (de) | 1970-04-24 |
| NL154117B (nl) | 1977-08-15 |
| CH521350A (fr) | 1972-04-15 |
| DE1939787B2 (de) | 1976-07-22 |
| DE1939787A1 (de) | 1970-02-19 |
| BE737072A (de) | 1970-02-05 |
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