IL92055A - 3-(cycloalkyl substituted 1,2,4-oxadiazolyl)-4,5-dihydro-4-oxo-5- tertbutyl-imidaz (1,5-a) quinoxalines - Google Patents
3-(cycloalkyl substituted 1,2,4-oxadiazolyl)-4,5-dihydro-4-oxo-5- tertbutyl-imidaz (1,5-a) quinoxalinesInfo
- Publication number
- IL92055A IL92055A IL9205589A IL9205589A IL92055A IL 92055 A IL92055 A IL 92055A IL 9205589 A IL9205589 A IL 9205589A IL 9205589 A IL9205589 A IL 9205589A IL 92055 A IL92055 A IL 92055A
- Authority
- IL
- Israel
- Prior art keywords
- oxo
- dihydro
- compound
- tert
- binding
- Prior art date
Links
- 150000003252 quinoxalines Chemical class 0.000 title description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 5
- 239000001257 hydrogen Substances 0.000 claims abstract description 5
- -1 -tert-butyl compound Chemical class 0.000 claims abstract description 3
- 150000001875 compounds Chemical class 0.000 claims description 29
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- 125000006272 (C3-C7) cycloalkyl group Chemical group 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- MVQHDTIAGNSFNE-UHFFFAOYSA-N 5-tert-butyl-3-(5-cyclopropyl-1,2,4-oxadiazol-3-yl)imidazo[1,5-a]quinoxalin-4-one Chemical compound C=12C(=O)N(C(C)(C)C)C3=CC=CC=C3N2C=NC=1C(N=1)=NOC=1C1CC1 MVQHDTIAGNSFNE-UHFFFAOYSA-N 0.000 claims 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims 1
- 230000000144 pharmacologic effect Effects 0.000 abstract description 3
- YELMWJNXDALKFE-UHFFFAOYSA-N 3h-imidazo[4,5-f]quinoxaline Chemical group N1=CC=NC2=C(NC=N3)C3=CC=C21 YELMWJNXDALKFE-UHFFFAOYSA-N 0.000 abstract description 2
- 238000006467 substitution reaction Methods 0.000 abstract description 2
- 238000001311 chemical methods and process Methods 0.000 abstract 1
- 230000020335 dealkylation Effects 0.000 abstract 1
- 238000006900 dealkylation reaction Methods 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 20
- 230000027455 binding Effects 0.000 description 13
- 239000000126 substance Substances 0.000 description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 11
- 230000009870 specific binding Effects 0.000 description 10
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- XSCHRSMBECNVNS-UHFFFAOYSA-N quinoxaline Chemical compound N1=CC=NC2=CC=CC=C21 XSCHRSMBECNVNS-UHFFFAOYSA-N 0.000 description 8
- 241000699670 Mus sp. Species 0.000 description 7
- 239000013078 crystal Substances 0.000 description 7
- 229960002200 flunitrazepam Drugs 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- 102000004300 GABA-A Receptors Human genes 0.000 description 5
- 108090000839 GABA-A Receptors Proteins 0.000 description 5
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 238000003556 assay Methods 0.000 description 4
- 210000004556 brain Anatomy 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- PPTYJKAXVCCBDU-UHFFFAOYSA-N Rohypnol Chemical compound N=1CC(=O)N(C)C2=CC=C([N+]([O-])=O)C=C2C=1C1=CC=CC=C1F PPTYJKAXVCCBDU-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 241000283690 Bos taurus Species 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 239000001961 anticonvulsive agent Substances 0.000 description 2
- 230000000949 anxiolytic effect Effects 0.000 description 2
- 229940049706 benzodiazepine Drugs 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- DGBIGWXXNGSACT-UHFFFAOYSA-N clonazepam Chemical compound C12=CC([N+](=O)[O-])=CC=C2NC(=O)CN=C1C1=CC=CC=C1Cl DGBIGWXXNGSACT-UHFFFAOYSA-N 0.000 description 2
- 229960003120 clonazepam Drugs 0.000 description 2
- VJABZEOIUVAPNO-UHFFFAOYSA-N ethyl 2-(2-amino-n-tert-butylanilino)-2-oxoacetate Chemical compound CCOC(=O)C(=O)N(C(C)(C)C)C1=CC=CC=C1N VJABZEOIUVAPNO-UHFFFAOYSA-N 0.000 description 2
- MYWIBLDQAWXUAD-UHFFFAOYSA-N ethyl 2-(n-tert-butyl-2-nitroanilino)-2-oxoacetate Chemical compound CCOC(=O)C(=O)N(C(C)(C)C)C1=CC=CC=C1[N+]([O-])=O MYWIBLDQAWXUAD-UHFFFAOYSA-N 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 238000007912 intraperitoneal administration Methods 0.000 description 2
- 230000009871 nonspecific binding Effects 0.000 description 2
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- SVUOLADPCWQTTE-UHFFFAOYSA-N 1h-1,2-benzodiazepine Chemical compound N1N=CC=CC2=CC=CC=C12 SVUOLADPCWQTTE-UHFFFAOYSA-N 0.000 description 1
- BGHGVAKKIBOJGS-UHFFFAOYSA-N 5-cyclopropyl-3-(isocyanomethyl)-1,2,4-oxadiazole Chemical compound [C-]#[N+]CC1=NOC(C2CC2)=N1 BGHGVAKKIBOJGS-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 241000251539 Vertebrata <Metazoa> Species 0.000 description 1
- 230000001773 anti-convulsant effect Effects 0.000 description 1
- 229940125681 anticonvulsant agent Drugs 0.000 description 1
- 229960003965 antiepileptics Drugs 0.000 description 1
- 239000002249 anxiolytic agent Substances 0.000 description 1
- 229940005530 anxiolytics Drugs 0.000 description 1
- 150000001557 benzodiazepines Chemical class 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- LGTLXDJOAJDFLR-UHFFFAOYSA-N diethyl chlorophosphate Chemical compound CCOP(Cl)(=O)OCC LGTLXDJOAJDFLR-UHFFFAOYSA-N 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 231100000673 dose–response relationship Toxicity 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- OWZFULPEVHKEKS-UHFFFAOYSA-N ethyl 2-chloro-2-oxoacetate Chemical compound CCOC(=O)C(Cl)=O OWZFULPEVHKEKS-UHFFFAOYSA-N 0.000 description 1
- FPULFENIJDPZBX-UHFFFAOYSA-N ethyl 2-isocyanoacetate Chemical compound CCOC(=O)C[N+]#[C-] FPULFENIJDPZBX-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 238000005567 liquid scintillation counting Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- HIGVOOQGROZGET-UHFFFAOYSA-N n-tert-butyl-2-nitroaniline Chemical compound CC(C)(C)NC1=CC=CC=C1[N+]([O-])=O HIGVOOQGROZGET-UHFFFAOYSA-N 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 210000004129 prosencephalon Anatomy 0.000 description 1
- UPUZGXILYFKSGE-UHFFFAOYSA-N quinoxaline-2-carboxylic acid Chemical compound C1=CC=CC2=NC(C(=O)O)=CN=C21 UPUZGXILYFKSGE-UHFFFAOYSA-N 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 102000005962 receptors Human genes 0.000 description 1
- 108020003175 receptors Proteins 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000003345 scintillation counting Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 239000012258 stirred mixture Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- MLGCXEBRWGEOQX-UHFFFAOYSA-N tetradifon Chemical compound C1=CC(Cl)=CC=C1S(=O)(=O)C1=CC(Cl)=C(Cl)C=C1Cl MLGCXEBRWGEOQX-UHFFFAOYSA-N 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
-
- 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
- A61P25/08—Antiepileptics; Anticonvulsants
-
- 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
- A61P25/20—Hypnotics; Sedatives
Landscapes
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Neurosurgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Neurology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Veterinary Medicine (AREA)
- Pharmacology & Pharmacy (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Anesthesiology (AREA)
- Pain & Pain Management (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Plural Heterocyclic Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK626288A DK626288D0 (da) | 1988-11-10 | 1988-11-10 | Kemisk proces til fremstilling af imidazoquinoxaliner og mellemprodukter til brug i processen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL92055A0 IL92055A0 (en) | 1990-07-12 |
| IL92055A true IL92055A (en) | 1994-01-25 |
Family
ID=8148369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL9205589A IL92055A (en) | 1988-11-10 | 1989-10-19 | 3-(cycloalkyl substituted 1,2,4-oxadiazolyl)-4,5-dihydro-4-oxo-5- tertbutyl-imidaz (1,5-a) quinoxalines |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US4999353A (de) |
| EP (1) | EP0368652B1 (de) |
| JP (1) | JPH02178285A (de) |
| AT (1) | ATE119162T1 (de) |
| AU (1) | AU622941B2 (de) |
| CA (1) | CA2002624A1 (de) |
| DE (1) | DE68921418T2 (de) |
| DK (1) | DK626288D0 (de) |
| ES (1) | ES2068903T3 (de) |
| FI (1) | FI92931C (de) |
| GR (1) | GR3015718T3 (de) |
| IE (1) | IE68939B1 (de) |
| IL (1) | IL92055A (de) |
| NO (1) | NO173827C (de) |
| NZ (1) | NZ231321A (de) |
| PT (1) | PT92279B (de) |
| ZA (1) | ZA898051B (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK588489D0 (da) * | 1989-11-22 | 1989-11-22 | Ferrosan As | Heterocykliske forbindelser, deres fremstilling og anvendelse |
| KR100207360B1 (ko) * | 1991-06-14 | 1999-07-15 | 돈 더블유. 슈미츠 | 이미다조[1,5,-a]퀸옥살린 |
| AU4035893A (en) * | 1991-12-17 | 1993-07-19 | Upjohn Company, The | 3-substituted imidazo (1,5-a) and imidazo (1,5-a)-triazolo (1,5-c) quinoxalines and quinazolines with cns activity |
| DE4228095A1 (de) * | 1992-08-24 | 1994-03-03 | Asta Medica Ag | Neue 4,5-Dihydro-4-oxo-pyrrolo[1,2-a]chinoxaline und entsprechende Aza-analoga und Verfahren zu deren Herstellung |
| FR2696466B1 (fr) * | 1992-10-02 | 1994-11-25 | Rhone Poulenc Rorer Sa | Dérivés de 5H,10H-imidazo[1,2-a]indeno[1,2-e]pyrazine-4-one, leur préparation et les médicaments les contenant. |
| US5792766A (en) * | 1996-03-13 | 1998-08-11 | Neurogen Corporation | Imidazo 1,5-c! quinazolines; a new class of GABA brain receptor ligands |
| JP4042925B2 (ja) * | 1996-11-20 | 2008-02-06 | シスメックス株式会社 | 幼若白血球の分類計数法 |
| US20040180898A1 (en) * | 2003-03-03 | 2004-09-16 | Bang-Chi Chen | Processes for preparing imidazoquinoxalinones, heterocyclic-substituted imidazopyrazinones, imidazoquinoxalines and heterocyclic-substituted imidazopyrazines |
| EP3377493B1 (de) | 2015-11-20 | 2020-04-08 | Forma Therapeutics, Inc. | Purinone als ubiquitinspezifische protease-1-inhibitoren |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4440929A (en) * | 1981-07-16 | 1984-04-03 | Usv Pharmaceutical Corporation | Imidazoquinoxaline compounds |
| DK476885D0 (da) * | 1985-10-17 | 1985-10-17 | Ferrosan As | Heterocycliske forbindelser og fremgangsmaader til fremstilling heraf |
| ATE80392T1 (de) * | 1985-10-17 | 1992-09-15 | Novo Nordisk As | Oxadiazolylacetonitrile, ihre herstellung und anwendung. |
| DK155524C (da) * | 1987-03-18 | 1989-09-11 | Ferrosan As | Kondenserede imidazolderivater og farmaceutiske praeparater indeholdende disse |
| DK160876C (da) * | 1987-12-08 | 1991-10-14 | Novo Nordisk As | Imidazoquinoxalinforbindelser, fremgangsmaade til deres fremstilling, anvendelse af forbindelserne og farmaceutiske praeparater, hvori forbindelserne indgaar |
| IL90315A0 (en) * | 1988-06-01 | 1989-12-15 | Ferrosan As | Imidazoquinoxaline compounds,their preparation and pharmaceutical compositions containing them |
-
1988
- 1988-11-10 DK DK626288A patent/DK626288D0/da not_active Application Discontinuation
-
1989
- 1989-10-19 IL IL9205589A patent/IL92055A/en not_active IP Right Cessation
- 1989-10-20 IE IE337489A patent/IE68939B1/en not_active IP Right Cessation
- 1989-10-24 ZA ZA898051A patent/ZA898051B/xx unknown
- 1989-11-03 AU AU44393/89A patent/AU622941B2/en not_active Ceased
- 1989-11-06 FI FI895257A patent/FI92931C/fi not_active IP Right Cessation
- 1989-11-07 JP JP1288081A patent/JPH02178285A/ja active Pending
- 1989-11-08 NZ NZ231321A patent/NZ231321A/xx unknown
- 1989-11-08 US US07/433,668 patent/US4999353A/en not_active Expired - Fee Related
- 1989-11-09 AT AT89311587T patent/ATE119162T1/de not_active IP Right Cessation
- 1989-11-09 DE DE68921418T patent/DE68921418T2/de not_active Expired - Fee Related
- 1989-11-09 ES ES89311587T patent/ES2068903T3/es not_active Expired - Lifetime
- 1989-11-09 EP EP89311587A patent/EP0368652B1/de not_active Expired - Lifetime
- 1989-11-09 NO NO894474A patent/NO173827C/no unknown
- 1989-11-09 CA CA002002624A patent/CA2002624A1/en not_active Abandoned
- 1989-11-10 PT PT92279A patent/PT92279B/pt not_active IP Right Cessation
-
1995
- 1995-04-10 GR GR950400849T patent/GR3015718T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE68921418T2 (de) | 1995-07-13 |
| EP0368652B1 (de) | 1995-03-01 |
| NO894474D0 (no) | 1989-11-09 |
| IE68939B1 (en) | 1996-07-24 |
| ATE119162T1 (de) | 1995-03-15 |
| PT92279B (pt) | 1995-08-09 |
| AU622941B2 (en) | 1992-04-30 |
| IE893374L (en) | 1990-05-10 |
| ES2068903T3 (es) | 1995-05-01 |
| NZ231321A (en) | 1991-10-25 |
| US4999353A (en) | 1991-03-12 |
| NO173827B (no) | 1993-11-01 |
| NO894474L (no) | 1990-05-11 |
| DK626288D0 (da) | 1988-11-10 |
| AU4439389A (en) | 1990-05-17 |
| CA2002624A1 (en) | 1990-05-10 |
| NO173827C (no) | 1994-02-09 |
| FI895257A0 (fi) | 1989-11-06 |
| FI92931C (fi) | 1995-01-25 |
| EP0368652A1 (de) | 1990-05-16 |
| GR3015718T3 (en) | 1995-07-31 |
| FI92931B (fi) | 1994-10-14 |
| DE68921418D1 (de) | 1995-04-06 |
| PT92279A (pt) | 1990-05-31 |
| IL92055A0 (en) | 1990-07-12 |
| ZA898051B (en) | 1990-08-29 |
| JPH02178285A (ja) | 1990-07-11 |
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