WO1991017146A1 - Nouveaux composes agonistes du recepteur h3 de l'histamine a usage therapeutique, compositions pharmaceutiques agissant comme agonistes dudit recepteur et procede de preparation - Google Patents
Nouveaux composes agonistes du recepteur h3 de l'histamine a usage therapeutique, compositions pharmaceutiques agissant comme agonistes dudit recepteur et procede de preparation Download PDFInfo
- Publication number
- WO1991017146A1 WO1991017146A1 PCT/FR1991/000384 FR9100384W WO9117146A1 WO 1991017146 A1 WO1991017146 A1 WO 1991017146A1 FR 9100384 W FR9100384 W FR 9100384W WO 9117146 A1 WO9117146 A1 WO 9117146A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- histamine
- compound according
- compound
- receptor
- group
- Prior art date
Links
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
- C07D233/64—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 substituted hydrocarbon radicals attached to ring carbon atoms, e.g. histidine
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
Definitions
- Novel histamine H 3 receptor agonist compounds for therapeutic use pharmaceutical compositions acting as agonists of said receptor and method of preparation.
- the invention relates to compounds in particular for therapeutic use as agonists of the histamine H 3 receptor, pharmaceutical compositions containing them and the use of these compounds for the production of a medicament.
- the subject of the invention is therefore a compound originating from an amine R-NH 2 , R being such that said amine has a strong affinity for the H 3 receptor for histamine, to the primary amine function to which a group is linked. determining a slowly hydrolyzable bond in neutral medium.
- the term “compound” also means the various isomeric forms ai ns i that, where appropriate, the derivatives obtained by condensation of water as will be explained in more detail below.
- the amines R-NH 2 concerned by the invention are more particularly the derivatives of histamine, or more precisely the amines of the same chemical formula, described in the above-mentioned patent applications EP-A-0 214 058 and EP-A- 0 338 939, and which correspond to the formula:
- R 5 , R 6 and R 8 each denote a hydrogen atom or a methyl group, or else R 5 and R 6 , taken together, form a methylene group and R 7 represents a hydrogen atom or a methyl group or carboxy, R 5 , R 6 , R 7 and R 8 cannot simultaneously denote hydrogen.
- the preferred amines are in particular (R) ⁇ -methylhistamine, 1' ⁇ , ⁇ -dimethylhistamine and 1' ⁇ , ⁇ -dimethylhistamine.
- the compound can comprise a residue of ketone or aldehyde, in particular of ketone or of cyclic aldehyde, linked to the primary amine function of said amine.
- the compound can advantageously correspond to the formula
- R 2 is an aryl or heteroaryl cyclic group, optionally linked to R 3 and optionally mono- or plurisubstituted with R 4 ,
- R 3 is H or any suitable substituent, or an aliphatic or cyclic chain, aromatic or not, R 3 possibly being in particular equal to R 2 or R 4 ,
- R 4 any suitable substituent such as H, OH, CH 3 , OR 3 , COOR 3 , halogen, CF 3 , alkyl (simple or substituted), etc., and - RN is derived from the starting amine R-NH 2 .
- R 2 can be substituted at the same time by different substituents mentioned for R 4 .
- the present invention more particularly relates to a compound derived from histamine having a high affinity for the H 3 receptor for histamine, characterized in that said compound comes from a derivative of histamine corresponding to the general formula
- R 5 , R 6 and R 8 each denote a hydrogen atom or a methyl group or R 5 and R 6 , taken together, form a methylene group and R 7 represents a hydrogen atom or a methyl group or carboxy, R 5 , R 6 , R 7 and R 8 cannot simultaneously denote hydrogen, to the primary amine function to which a group is linked
- R 5 , R 6 , R 7 and R 8 have the abovementioned meanings and - R 2 is an aryl or heteroaryl cyclic group, optionally linked to R 3 and optionally mono- or
- R 3 is H or any suitable substituent, or an aliphatic or cyclic chain, aromatic or not, R 3 possibly being in particular equal to R 2 or R 4 ,
- R 4 any suitable substituent such as H, OH, CH 3 , OR 3 , COOR 3 , halogen, CF 3 , alkyl (simple or substituted),
- salts such as, in particular, hydrochlorides, maleates.
- N is the nitrogen atom of the primary amine function of the linked amine, the rest of the molecule of which is not shown and which can in particular be one of the following two histamine derivatives:
- the compounds according to the invention are preferably produced by condensation of a free amine and a cyclic aldehyde or ketone, which must lead to a Schiff base slowly hydrolyzable in neutral medium.
- the combined filtrates are evaporated to dryness and redissolved in 40 ml of anhydrous ethanol. After adding 1.19 g (6 mmol) of 2-hydroxybenzophenone, the solution is refluxed for 15 min and evaporated to dryness. Diethyl ether and a few seed crystals are added to the oil obtained and the mixture is stirred for crystallization. The yellow material obtained is recrystallized twice from cyclohexane / anhydrous ethyl acetate.
- the compound obtained can itself recombine in the form of a derivative, without losing its properties, in particular its aptitude for hydrolysis and for the gradual release of the starting amine, and it is possible to be in the presence of a mixture of different forms of the compound in question.
- the invention also relates to such derivatives and mixtures of the different forms of the compound, as already mentioned above.
- the medicaments or pharmaceutical compositions according to the invention act in the manner of a prodrug which transforms slowly, in the organism, into a biochemically active principle.
- the invention also relates to a pharmaceutical composition
- a pharmaceutical composition comprising a compound according to the invention and a pharmaceutically acceptable vehicle or excipient.
- a subject of the invention is also the use of a compound of formula (1) and, preferably, (2) or (3) for the production of a medicament which inhibits the synthesis and release of histamine or other mediators regulated by the H 3 receptor, in particular with sedative effects, sleep regulator, anticonvulsant,
- anti-asthmatic, antipruritic anti-inflammatory including in the gastrointestinal sphere, anti-secretory or antiulcer.
- compound I is slowly hydrolyzable in vitro in neutral medium (t1 / 2> 3 h at 25 ° C) in the presence as in the absence of tissue extracts; 2) administered orally to the rodent, it is well absorbed as evidenced by the plasma levels determined by chemical hydrolysis followed by radioimmunoassays of the (R) ⁇ -methylhistamine thus produced in vitro;
- compound I is well hydrolyzed in vivo in rodents because its administration leads to plasma levels of (R) ⁇ -methylhistamine at least equal to those achieved by the administration of an identical molar dose of the free amine; moreover, these levels are maintained longer and the result is a more marked drop in the synthesis of endogenous histamine (especially in the brain);
- the compound I leads to plasma levels of (R) ⁇ -methylhistamine from 20 to 100 times higher than an equivalent molar dose of the free amine; moreover, levels corresponding to an activation of the H 3 receptors are maintained longer because of the progressive hydrolysis of compound I (whose plasma level is always 5 to 10 times higher than that of the free amine) .
- the active doses in humans by the oral route are preferably close to 1 to 20 mg instead of 100 to 300 mg for the free amine.
- compound I is clearly more lipophilic than the free amine, which should facilitate the passage of membrane barriers such as the digestive or blood-brain barriers i and the reach of normally inaccessible H 3 receptors to a free amine.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pharmacology & Pharmacy (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Plural Heterocyclic Compounds (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69127045T DE69127045T2 (de) | 1990-05-09 | 1991-05-10 | Histamin-h3-rezeptor-agonisten zur therapeutischen anwendung, pharmazeutische zubereitungen, die an h3-rezeptoren-agonistisch wirken, un die methode ihrer darstellung |
CA002063550A CA2063550C (fr) | 1990-05-09 | 1991-05-10 | Composes agonistes du recepteur de l'histamine h3 a usage therapeutique, compositions pharmaceutiques agissant comme agonistes dudit recepteur et procede de preparation |
EP91910312A EP0482183B1 (fr) | 1990-05-09 | 1991-05-10 | Composes agonistes du recepteur h3 de l'histamine a usage therapeutique, compositions pharmaceutiques agissant comme agonistes dudit recepteur et procede de preparation |
US07/828,936 US5342960A (en) | 1990-05-09 | 1991-05-10 | Azomethines agonist compounds of the histamine H3 receptor for therapeutic use, pharmaceutical compositions acting as agonists of the said receptor and preparation process |
JP03509563A JP3094384B2 (ja) | 1990-05-09 | 1991-05-10 | 臨床医学で使用されるヒスタミン受容体h3の新規な拮抗作用化合物と、その受容体の拮抗物質として作用する医薬組成物と、その製造方法 |
GR970402634T GR3024991T3 (en) | 1990-05-09 | 1997-10-09 | Histamine h3-receptor agonist compounds for therapeutic use, pharmaceutical compositions acting as agonists of said receptor and method of preparation |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9005776A FR2661909B1 (fr) | 1990-05-09 | 1990-05-09 | Nouveaux composes agonistes du recepteur h3 de l'histamine a usage therapeutique, compositions pharmaceutiques agissant comme agonistes dudit recepteur et procede de preparation. |
FR90/05776 | 1990-05-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1991017146A1 true WO1991017146A1 (fr) | 1991-11-14 |
Family
ID=9396429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1991/000384 WO1991017146A1 (fr) | 1990-05-09 | 1991-05-10 | Nouveaux composes agonistes du recepteur h3 de l'histamine a usage therapeutique, compositions pharmaceutiques agissant comme agonistes dudit recepteur et procede de preparation |
Country Status (11)
Country | Link |
---|---|
US (1) | US5342960A (fr) |
EP (1) | EP0482183B1 (fr) |
JP (1) | JP3094384B2 (fr) |
AT (1) | ATE156121T1 (fr) |
CA (1) | CA2063550C (fr) |
DE (1) | DE69127045T2 (fr) |
DK (1) | DK0482183T3 (fr) |
ES (1) | ES2107464T3 (fr) |
FR (1) | FR2661909B1 (fr) |
GR (1) | GR3024991T3 (fr) |
WO (1) | WO1991017146A1 (fr) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993012093A1 (fr) * | 1991-12-18 | 1993-06-24 | Schering Corporation | Derives d'imidazolyle-alkyle-piperazine et diazepine utilises comme agonistes antagonistes de l'histamine h3 |
US5486526A (en) * | 1992-04-01 | 1996-01-23 | The University Of Toledo | Histamine H3 -receptor antagonists and therapeutic uses thereof |
US5633250A (en) * | 1991-12-18 | 1997-05-27 | Schering Corporation | Imidazoylalkyl substituted with a six or seven membered heterocyclic ring containing two nitrogen atoms |
US5633382A (en) * | 1992-04-01 | 1997-05-27 | The University Of Toledo | Histamine H3 -receptor antagonists and therapeutic uses thereof |
US5639775A (en) * | 1992-04-01 | 1997-06-17 | The University Of Toledo | 4-[4'-piperodinyl or 3'-pirrolidinyl] substituted imidazoles as H3 -receptor antagonists and therapeutic uses thereof |
WO2000039164A1 (fr) * | 1998-12-25 | 2000-07-06 | Banyu Pharmaceutical Co., Ltd. | Nouvelles proteines receptrices couplees aux proteines se liant a la guanosine triphosphate (gtp) |
US6407132B1 (en) | 1997-07-25 | 2002-06-18 | James Black Foundation Limited | Substituted imidazole derivatives and their use as histamine H3 receptor ligands |
US6417218B1 (en) | 1999-01-18 | 2002-07-09 | Novo Nordisk A/S | Substituted imidazoles, their preparation and use |
US6437147B1 (en) | 2000-03-17 | 2002-08-20 | Novo Nordisk | Imidazole compounds |
US6610721B2 (en) | 2000-03-17 | 2003-08-26 | Novo Nordisk A/S | Imidazo heterocyclic compounds |
US6908926B1 (en) | 1999-04-16 | 2005-06-21 | Novo Nordisk A/S | Substituted imidazoles, their preparation and use |
US7279293B2 (en) | 2002-04-24 | 2007-10-09 | Banyu Pharmaceutical Co., Ltd. | Constitutively active histamine H3 receptor mutants and uses thereof |
US7612226B2 (en) | 2005-04-28 | 2009-11-03 | Pfizer Inc. | Amino acid derivatives |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0024639A1 (fr) * | 1979-08-15 | 1981-03-11 | Merck & Co. Inc. | Sulfoxydes organiques ayant un groupe allylique latent, procédé pour les préparer et composition pharmaceutique inhibitrice d'enzymes les contenant |
FR2548183A1 (fr) * | 1983-07-01 | 1985-01-04 | Synthelabo | Diphenylazomethines portant un radical imidazolyle, leur preparation et leur application en therapeutique |
EP0214058A2 (fr) * | 1985-09-02 | 1987-03-11 | Institut National De La Sante Et De La Recherche Medicale (Inserm) | Composition pharmaceutique contenant des dérivés de l'histamine |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8501093A (nl) * | 1985-04-12 | 1986-11-03 | Stamicarbon | Werkwijze voor het racemiseren van een optisch aktief n- benzylideenaminozuuramide. |
FR2630328B1 (fr) * | 1988-04-22 | 1990-08-24 | Inst Nat Sante Rech Med | Derive de l'histamine, sa preparation et son application en therapeutique |
-
1990
- 1990-05-09 FR FR9005776A patent/FR2661909B1/fr not_active Expired - Fee Related
-
1991
- 1991-05-10 JP JP03509563A patent/JP3094384B2/ja not_active Expired - Lifetime
- 1991-05-10 EP EP91910312A patent/EP0482183B1/fr not_active Expired - Lifetime
- 1991-05-10 AT AT91910312T patent/ATE156121T1/de not_active IP Right Cessation
- 1991-05-10 CA CA002063550A patent/CA2063550C/fr not_active Expired - Lifetime
- 1991-05-10 WO PCT/FR1991/000384 patent/WO1991017146A1/fr active IP Right Grant
- 1991-05-10 US US07/828,936 patent/US5342960A/en not_active Expired - Lifetime
- 1991-05-10 DE DE69127045T patent/DE69127045T2/de not_active Expired - Lifetime
- 1991-05-10 DK DK91910312.7T patent/DK0482183T3/da active
- 1991-05-10 ES ES91910312T patent/ES2107464T3/es not_active Expired - Lifetime
-
1997
- 1997-10-09 GR GR970402634T patent/GR3024991T3/el unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0024639A1 (fr) * | 1979-08-15 | 1981-03-11 | Merck & Co. Inc. | Sulfoxydes organiques ayant un groupe allylique latent, procédé pour les préparer et composition pharmaceutique inhibitrice d'enzymes les contenant |
FR2548183A1 (fr) * | 1983-07-01 | 1985-01-04 | Synthelabo | Diphenylazomethines portant un radical imidazolyle, leur preparation et leur application en therapeutique |
EP0214058A2 (fr) * | 1985-09-02 | 1987-03-11 | Institut National De La Sante Et De La Recherche Medicale (Inserm) | Composition pharmaceutique contenant des dérivés de l'histamine |
Non-Patent Citations (13)
Title |
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Chemical Abstracts, vol. 100, no. 25, 18 juin 1984, (Columbus, Ohio, US), voir page 545, résumé 209240f, & JP, A, 5916867 (NIPPON CHEMIPHAR. CO., LTD) 28 janvier 1984 * |
Chemical Abstracts, vol. 95, no. 3, 20 juillet 1981, (Columbus, Ohio, US), L. Casella et al.: "Different coordination modes of histidine. Circular dichroism study of copper(II) complexes of the Schiff bases derived from (+)-hydroxymethylenecamphor and histidine derivatives", voir page 236, résumé 19963z, & Congr. Naz. Chim. Inorg. (Atti), 13th 1980, pages 227-229 * |
Chemical and Pharmaceutical Bulletin, vol. 12, no. 3, 1964, A. Inoue et al.: "On the reaction products between dehydroacetic acid and amino acids", pages 382,383, voir page 383, composé III * |
Chimiko-Farmacevticeskij Zurnal, vol. 21, no. 9, 1987, S.Yu. Ostrovskii et al.: "Role of histidine in the nonenzymatic inactivation of acetaldehyde", pages 1034-1038, voir page 1037 * |
Chromatographia, vol. 23, no. 9, septembre 1987, K. Jinno et al.: "Retention prediction of o-phthalaldehyde amino acid derivatives in reversed-phase liquid chromatography", pages 675-679, voir page 677, table I * |
Journal of Organic Chemistry, vol. 47, 1982, (US), M.J. O'Donnell et al.: "A mild and efficient route to Schiff base derivatives of amino acids", pages 2663-2666, voir table I, composé L-3m * |
Journal of Organic Chemistry, vol. 48, 1983, (US), J. Sunamoto et al.: "Intramolecular cyclization of the pyridoxal-histidine Schiff base controlled in reversed micelles", pages 2423,2424, voir page 2423, composé 2 * |
Journal of Protein Chemistry, vol. 7, no. 5, 1988, M. Maekelae et al.: "Acid-base chemistry of vitamin B6 compounds in methanol", pages 549-559, voir page 556, table II * |
Journal of the American Chemical Society, vol. 99, no. 3, 2 février 1977, H.E. Smith et al.: "Optically active amines. 22. Application of the salicylidenimino chirality rule to alpha-amino acids", pages 707-713, voir page 709, table II, composé L-IIr * |
Journal of the Chemical Society C, no. 22, 1966, Z. Badr et al.: "Optial rotatory dispersion. Part XXXVIII. Azomethines. Part III. Configurational assignment in the alpha-amino-acid series using N-alkylidene derivatives", pages 2047-2051, voir page 2049, table I * |
Journal of the Chemical Society C, no. 4, 1968, A.F. Al-Sayyab et al.: "Schiff bases. Part I. Thermal decarboxylation of alpha-amino-acids in the presence of ketones", pages 406-410, voir page 407, table I * |
Liebigs Annalen der Chemie, no. 2, février 1982, H. Doepp et al.: "Die Konstitution der Musca-aurine", pages 254-264, voir page 255, composé 2j * |
Lipids, vol. 21, no. 1, 1986, V. Nair et al.: "The chemistry of lipid peroxidation metabolites: crosslinking reactions of malondialdehyde", pages 6-10, voir page 7, table 1, composés 4a,b * |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993012093A1 (fr) * | 1991-12-18 | 1993-06-24 | Schering Corporation | Derives d'imidazolyle-alkyle-piperazine et diazepine utilises comme agonistes antagonistes de l'histamine h3 |
US5633250A (en) * | 1991-12-18 | 1997-05-27 | Schering Corporation | Imidazoylalkyl substituted with a six or seven membered heterocyclic ring containing two nitrogen atoms |
US5486526A (en) * | 1992-04-01 | 1996-01-23 | The University Of Toledo | Histamine H3 -receptor antagonists and therapeutic uses thereof |
US5633382A (en) * | 1992-04-01 | 1997-05-27 | The University Of Toledo | Histamine H3 -receptor antagonists and therapeutic uses thereof |
US5639775A (en) * | 1992-04-01 | 1997-06-17 | The University Of Toledo | 4-[4'-piperodinyl or 3'-pirrolidinyl] substituted imidazoles as H3 -receptor antagonists and therapeutic uses thereof |
US6407132B1 (en) | 1997-07-25 | 2002-06-18 | James Black Foundation Limited | Substituted imidazole derivatives and their use as histamine H3 receptor ligands |
WO2000039164A1 (fr) * | 1998-12-25 | 2000-07-06 | Banyu Pharmaceutical Co., Ltd. | Nouvelles proteines receptrices couplees aux proteines se liant a la guanosine triphosphate (gtp) |
US7374895B2 (en) | 1998-12-25 | 2008-05-20 | Banyu Pharmaceutical Co., Ltd. | Guanosine triphosphate (GTP) binding protein-coupled receptor proteins that bind histamine and are expressed in the brain |
US7074594B2 (en) | 1998-12-25 | 2006-07-11 | Banyu Pharmaceutical Co., Ltd. | Guanosine triphosphate (GTP) binding protein-coupled receptor proteins |
US6750322B2 (en) | 1998-12-25 | 2004-06-15 | Banyu Pharmaceutical Co., Ltd. | Guanosine triphosphate (GTP) binding protein-coupled receptor proteins |
US6417218B1 (en) | 1999-01-18 | 2002-07-09 | Novo Nordisk A/S | Substituted imidazoles, their preparation and use |
US6908926B1 (en) | 1999-04-16 | 2005-06-21 | Novo Nordisk A/S | Substituted imidazoles, their preparation and use |
US6756384B2 (en) | 2000-03-17 | 2004-06-29 | Novo Nordisk A/S | Imidazole compounds |
US6610721B2 (en) | 2000-03-17 | 2003-08-26 | Novo Nordisk A/S | Imidazo heterocyclic compounds |
US6437147B1 (en) | 2000-03-17 | 2002-08-20 | Novo Nordisk | Imidazole compounds |
US7279293B2 (en) | 2002-04-24 | 2007-10-09 | Banyu Pharmaceutical Co., Ltd. | Constitutively active histamine H3 receptor mutants and uses thereof |
US7612226B2 (en) | 2005-04-28 | 2009-11-03 | Pfizer Inc. | Amino acid derivatives |
Also Published As
Publication number | Publication date |
---|---|
JPH06501241A (ja) | 1994-02-10 |
FR2661909A1 (fr) | 1991-11-15 |
CA2063550C (fr) | 2002-02-26 |
CA2063550A1 (fr) | 1991-11-10 |
GR3024991T3 (en) | 1998-01-30 |
ES2107464T3 (es) | 1997-12-01 |
EP0482183B1 (fr) | 1997-07-30 |
DK0482183T3 (da) | 1998-03-09 |
FR2661909B1 (fr) | 1997-08-14 |
US5342960A (en) | 1994-08-30 |
EP0482183A1 (fr) | 1992-04-29 |
DE69127045D1 (de) | 1997-09-04 |
ATE156121T1 (de) | 1997-08-15 |
JP3094384B2 (ja) | 2000-10-03 |
DE69127045T2 (de) | 1998-03-05 |
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