WO1994006825A1 - Derives d'ureido-acetamide, leur preparation et les medicaments les contenant - Google Patents
Derives d'ureido-acetamide, leur preparation et les medicaments les contenant Download PDFInfo
- Publication number
- WO1994006825A1 WO1994006825A1 PCT/FR1993/000847 FR9300847W WO9406825A1 WO 1994006825 A1 WO1994006825 A1 WO 1994006825A1 FR 9300847 W FR9300847 W FR 9300847W WO 9406825 A1 WO9406825 A1 WO 9406825A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- phenyl
- solution
- methyl
- carbamoylmethyl
- formula
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
- C07K5/06—Dipeptides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
- C07K5/06—Dipeptides
- C07K5/06008—Dipeptides with the first amino acid being neutral
- C07K5/06017—Dipeptides with the first amino acid being neutral and aliphatic
- C07K5/06026—Dipeptides with the first amino acid being neutral and aliphatic the side chain containing 0 or 1 carbon atom, i.e. Gly or Ala
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P21/00—Drugs for disorders of the muscular or neuromuscular system
-
- 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
-
- 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
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
Definitions
- the subject of the present invention is therefore the compounds of formula (I), their salts, their enantiomers, their preparation and the medicaments containing them.
- the compounds of formula (I) can be prepared by the action of a derivative of formula:
- R represents a hydrogen atom or a methoxy radical, on an amine of formula:
- This reaction is generally carried out in an inert solvent, such as benzene or toluene, at the boiling temperature of the reaction medium.
- an inert solvent such as benzene or toluene
- salts may be used the tetraalkylammonium or trial ylphenylammonium salts and preferably tetra-n-butyl ammonium.
- the enantiomers can be prepared from the chiral precursors of the compound of formula (III).
- the enantiomers are prepared from a tetraalkyl ammonium salt (Form B) of the amine of formula (III) or the hydroquinine salt (Form A) of the amine of formula (III).
- the compounds of formula (I) can be purified by the usual known methods, for example, by crystallization, precipitation, chromatography or extraction.
- the compounds of formula (I) and their enantiomers can be converted into metal salts or into addition salts with nitrogenous bases according to methods known per se. These salts can be obtained by the action of a metal base (alkaline or alkaline earth, for example), ammonia, an amine or a salt of an organic acid on a compound of formula (I) or its enantiomers , in a solvent.
- a metal base alkaline or alkaline earth, for example
- ammonia an amine or a salt of an organic acid on a compound of formula (I) or its enantiomers
- salts with alkali metals sodium, potassium, lithium
- alkaline earth metals calcium, magnesium
- ammonium salt the salts of nitrogenous bases (ethanolamine, trimethylamine) , methylamine, benzylamine,
- the compounds of formula (I) and their enantiomers have interesting pharmacological properties. These compounds have a strong affinity for cholecystokinin (CCK) and gastrin receptors and are therefore useful in the treatment and prevention of disorders linked to CCK and gastrin in the nervous system and the gastrointestinal tract. .
- CCK cholecystokinin
- ceS'composés can be used for the treatment of prevention of psychoses ⁇ sr anxiety disorders, panic attacks, Parkinson's disease, tardive dyskinesia, irritable bowel syndrome, pancreatitis acute, ulcers, intestinal motility disorders, certain CCK-sensitive tumors, as an appetite regulator, in withdrawal from chronic treatment and abuse of alcohol or drugs and as a pupil constrictor eye.
- These compounds also have a potentiating effect on the analgesic activity of narcotic and non-narcotic drugs. In addition, they can have their own analgesic effect.
- the affinity of the compounds of formula (I) for the CCK receptors was determined according to a technique inspired by that of A. SAITO et al. (J. Neuro. Chem., 37, 483-490 (1981) at the level of the cerebral cortex.
- the IC50 of the compounds of formula (I) is less than 2 nM.
- the compounds of formula (I) exhibit low toxicity. Their LD50 is greater than 40 mg / kg subcutaneously in mice.
- Tetra-n-butyl ammonium- (RS) (3-amino phenyl) -1 ethanesulfonate can be prepared as follows: to a solution of 17.8 g of (3-nitro
- Tetra-n-butyl ammonium- (RS) (3-nitro-phenyl) -1 ethanesulfonate can be prepared as follows: to a solution of 20.8 g of sodium sulfite
- ⁇ [(Imidazolyl-1) carboxamido] -2 N- (3-methoxyphenyl) acetamido ⁇ -2 N-methyl N-phenyl-acetamide can be prepared as follows: 3 solution of 3.0 g of N, N'-diimidazolecarbonyl in 30 cm of anhydrous tetrahydrofuran, a solution of 3.1 g of [2-amino-N- (3-methoxyphenyl) is added
- N-phenyl-acetamide can be prepared as follows: to a solution of
- N- (3-methoxy-phenyl-2-phthalimido-acetamido) -2 N-methyl N-phenyl-acetamide can be prepared as follows: to a suspension of 80.6 g of [N- (methoxy-3 phenyl) phthalimido-2 acetamido] -2 acetic in
- reaction mixture is stirred for 2 hours at a temperature in the region of 25 ° C., washed with 2 times 500 cm 3 of water and then 300 cm 3 of a saturated aqueous solution of sodium hydrogen carbonate, dried over sulf: .. e de magnesium and dry concentrated
- N- (3-methoxyphenyl) 2-phthalimido acetamido] -2 tert-butyl acetate can be prepared in the following manner: to a solution of 96 g of N- (3-methoxyphenyl) 2-phthalimido acetamide in 1000 cm of anhydrous tetrahydrofuran, 14.9 g of an oily suspension (60% by weight) of sodium hydride are added over 30 minutes. The suspension is stirred for 4 hours at a temperature close to
- N- (3-methoxyphenyl) 2-phthalimido acetamide can be prepared from
- Phthalimido-2 acetyl chloride can be prepared according to the method described by W. GRASSMANN and E. SCHULTE-UEBBING, Chem. Ber., SI, 244-247, (1950).
- Tetra-n-butyl ammonium (3-amino phenyl) -1 ethanesulfonate, form B can be prepared as follows: to a solution of 2.8 g of (3-nitro
- the tetra-n-butyl ammonium (3-nitro-phenyl) -1 ethanesulfonate, form B can be prepared as follows: to a solution of 10.5 g of N- (3-nitro-phenyl) -1 ethanesulfonate benzylquininium, mixture of forms A and B
- the (3-nitro-phenyl) - 1 N-benzylquininium ethanesulfonate, mixture of forms A and B can be prepared as follows: to a solution of 17.2 g of (3-nitro-phenyl) -l ethanesulfonate - (RS) in 400 cm ⁇ of water, 87 g of potassium dihydrogen phosphate and 32.4 g of N-benzyl quininium chloride are added. The mixture is extracted with 2 times 300 c ⁇ _3 of methylene chloride. The combined organic phases are washed with 2 times 200 c ⁇ of water, dried over magnesium sulphate and concentrated to dryness under reduced pressure (2.7 kPa) at 40 ° C.
- (3-Nitro-phenyl) -l potassium ethanesulfonate- can be prepared as follows: to a solution of 20.8 g of sodium sulfite in 260 cm 3 of water is added 25.3 g of (1-bromo-ethyl) -1 nitro-3 benzene- (RS). The reaction mixture is stirred at 80 ° C for 5 hours, cooled to about 25 ° C and poured into 2.5 liters of an aqueous solution of potassium dihydrogen phosphate 0.5 M. 40 g of tetra hydrogen sulfate are added. n-butyl ammonium. The mixture is extracted with 3 times 500 c ⁇ of methylene chloride.
- the organic phase is dried over magnesium sulfate and concentrated to dryness under reduced pressure (2.7 kPa) at 40 ° C.
- the crude product obtained is stirred for 30 minutes in 60 cm 3 of diisopropyl ether.
- the insoluble product is separated by filtration and then dissolved in 20 cm 3 of acetone.
- 1.9 g of potassium nonafluorobutanesulfonate, dissolved in 10 cm 3 of acetone, are added.
- the insoluble product is separated by filtration, washed with 4 times 5 c ⁇ of acetone then 4 times 8 cm ⁇ of diisopropyl ether and air dried.
- ⁇ [(Imidazolyl-1) carboxamido ⁇ -2 N-phenyl-acetamido ⁇ -2 N-methyl N-phenyl-acetamide can be prepared as follows: to a solution of 31 g of N.N'-diimidazole carbonyl in 300 cm 3 of anhydrous tetrahydrofuran, a solution of 37 g of (2-amino-N-phenyl-acetamido) -2 N-methyl-acetamide in 150 cm 3 of anhydrous tetrahydrofuran is added. The solution is stirred for 3 hours at a temperature in the region of 25 ° C, then concentrated to dryness under reduced pressure (2.7 kPa) at 40 ° C.
- (2-amino-N-phenyl-acetamido) -2 N-methyl N-phenyl-acetamide can be prepared as follows: to a solution of 1.4 g of N-methyl N-phenyl 5 (N-phenyl phthalimido-2 acetamido) -2 acetamide in 15 c ⁇ _3 of methanol, 0.25 g of hydrazine hydrate is added. The reaction mixture is stirred at reflux for 2 hours. After cooling and adding 5 c ⁇ of a 4N aqueous hydrochloric acid solution, the insoluble product is separated by filtration. The filtrate is concentrated to dryness under reduced pressure (2.7 kPa)) 30 ° C. The residue obtained is dissolved
- N-methyl N-phenyl (N-phenyl phthalimido-2 acetamido) -2 acetamide can be prepared as follows: to a suspension of 10.1 g of (N-phenyl phthalimido-2 acetamido) -2 acetic acid in 125 cm.3 of 1,2-dichloroethane, 3.9 g of oxalyl dichloride is added, then a drop of dimethylformamide. the mixture is stirred for 2 hours at a temperature in the region of 25 ° C., then 7.7 g of N-methyl aniline are added in solution in 30 c ⁇ of 1,2-dichloroethane.
- Acetic (N-phenyl phthalimido-2 acetamido) -2 acetic acid can be prepared as follows: to a solution of 8 g of (N-phenyl phthalimido-2 acetamido) -2 tert-butyl acetate in 30 cm ⁇ of dichloromethane, 17.9 g of trifluoroacetic acid are added. The solution obtained is stirred at reflux for 1 hour, then concentrated to dryness under reduced pressure (2.7 kPa) at 40 ° C. After recrystallization from diisopropyl ether, 5.9 g of (N-phenyl phthalimido-2 acetamido) -2 acetic acid, melting at 224 ° C., are obtained.
- T-butyl (N-phenyl phthalimido-2 acetamido) -2 acetate can be prepared as follows: to a solution of 207 g of tert-butyl N-phenyl glycinate in 500 cm 2 of 1,2-dichloro ethane, 92.4 g of sodium hydrogen carbonate are added. The suspension is stirred at a temperature in the region of 5 ° C. and a solution of 223 g of 2-phthalimido acetyl chloride in 1100 cm3 of 1,2-dichloroethane is added. The reaction mixture is stirred at reflux for 4 hours.
- T-butyl N-phenyl glycinate can be prepared as follows: to a solution of 56 g of aniline in 600 c ⁇ _3 of 1,2-dichloroethane, 58 g of tert-butyl bromoacetate and the solution are added obtained is stirred at reflux for 48 hours. After cooling, the insoluble product is separated by filtration and the filtrate is washed with 200 cm 3 of a 0.1N aqueous hydrochloric acid solution and with 3 times 200 cm 3 of distilled water. The organic phase is dried over magnesium sulfate and then concentrated to dryness under reduced pressure (2.7 kPa) at 40 ° C. 54 g of tert-butyl N-phenyl glycinate are thus obtained in the form of an oil used as it is in the subsequent syntheses.
- Phthalimido-2 acetyl chloride can be prepared according to the method described by W. GRASSMAN and E. SCHULTE-UEBLING, Chem. Ber., £ 2, 244 (1950).
- the medicaments according to the invention consist of a compound of formula (I) in free form or in the form of an addition salt with a pharmaceutically acceptable acid, in the pure state or in the form of a composition in which it is associated with any other pharmaceutically compatible product, which may be inert or physiologically active.
- the medicaments according to the invention can be used orally, parenterally, rectally or topically.
- compositions for oral administration tablets, pills, powders (gelatin capsules, cachets) or granules can be used.
- the active principle according to the invention is mixed with one or more inert diluents, such as starch, cellulose, sucrose, lactose or silica, under a stream of argon.
- inert diluents such as starch, cellulose, sucrose, lactose or silica
- These compositions can also comprise substances other than diluents, for example one or more lubricants such as magnesium stearate or talc, a dye, a coating (dragees) or a varnish.
- compositions for oral administration there may be used pharmaceutically acceptable solutions, suspensions, emulsions, syrups and elixirs containing inert diluents such as water, ethanol, glycerol, vegetable oils or oil paraffin.
- inert diluents such as water, ethanol, glycerol, vegetable oils or oil paraffin.
- These compositions can include substances other than diluents, for example wetting, sweetening, thickening, flavoring or stabilizing products.
- the sterile compositions for parenteral administration can preferably be aqueous or non-aqueous solutions, suspensions or emulsions.
- solvent or vehicle water, propylene glycol, polyethylene glycol, vegetable oils, in particular olive oil, injectable organic esters, for example ethyl oleate or other organic solvents can be used. suitable.
- These compositions can also contain adjuvants, in particular wetting agents, isotonizers, emulsifiers, dispersants and stabilizers. Sterilization can be done in several ways, for example by aseptic filtration, by incorporating sterilizing agents into the composition, by irradiation or by heating. They can also be prepared in the form of sterile solid compositions which can be dissolved at the time of use in sterile water or any other sterile injectable medium.
- compositions for rectal administration are suppositories or rectal capsules which contain, in addition to the active product, excipients such as cocoa butter, semi-synthetic glycerides or polyethylene glycols.
- compositions for topical administration can be, for example, creams, lotions, eye drops, mouthwashes, nasal drops or aerosols.
- the compounds according to the invention are particularly useful in the treatment and prevention of disorders linked to CCK and to gastrin in the nervous system and the gastrointestinal tract. These compounds can therefore be used in the treatment and prevention of psychoses, anxiety disorders, attacks? panic, Parkinson's disease, tardive diskinesia, irritable bowel syndrome, acute pancreatitis, ulcers, intestinal motility disorders, certain CCK-sensitive tumors, memory impairment, as analgesics, as a potentiator of the analgesic activity of narcotic and non-narcotic analgesic drugs and as an appetite regulator, in the withdrawal from chronic treatments and abuse of alcohol or drugs and as a constrictor of the pupil of the iris of the eye.
- the doses depend on the desired effect, on the duration of the treatment and on the route of administration used; they are generally between 0.05 g and 1 g per day orally for an adult with unit doses ranging from 10 mg to 500 mg of active substance.
- the doctor will determine the appropriate dosage based on age, weight and all other factors specific to the subject to be treated.
- capsules containing 50 mg of active product having the following composition are prepared:
- a solution for injection containing 10 mg of active product having the following composition is prepared:
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Neurology (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Pharmacology & Pharmacy (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Neurosurgery (AREA)
- Biomedical Technology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Genetics & Genomics (AREA)
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- Biochemistry (AREA)
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- Orthopedic Medicine & Surgery (AREA)
- Physical Education & Sports Medicine (AREA)
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- Epidemiology (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyrrole Compounds (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP93919418A EP0662081B1 (fr) | 1992-09-11 | 1993-09-06 | Derives d'ureido-acetamide, leur preparation et les medicaments les contenant |
JP6507838A JPH08503696A (ja) | 1992-09-11 | 1993-09-06 | ウレイドアセトアミド誘導体類、それらの調製およびそれらを含む薬物 |
KR1019950700902A KR950703579A (ko) | 1992-09-11 | 1993-09-06 | 우레이도아세트아미드 유도체, 그들의 제조 및 상기를 함유하는 약제(urei-do-acetamide derivatives, preparation thereof and drugs con-taining same) |
US08/397,044 US5663204A (en) | 1992-09-11 | 1993-09-06 | Ureidoacetamide derivatives, their preparation and the medicaments containing them |
AU49655/93A AU672627B2 (en) | 1992-09-11 | 1993-09-06 | Ureido-acetamide derivatives, preparation thereof and drugs containing same |
DE69308865T DE69308865T2 (de) | 1992-09-11 | 1993-09-06 | Ureidoacetamid-derivate,irhe herstellung und sie enthaltende medikamente |
NO950722A NO950722D0 (no) | 1992-09-11 | 1995-02-24 | Ureido-acetamidderivater, deres fremstilling samt medikamenter inneholdende derivatene |
GR960403092T GR3022796T3 (en) | 1992-09-11 | 1997-03-13 | Ureido-acetamide derivatives, preparation thereof and drugs containing same. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR92/10838 | 1992-09-11 | ||
FR9210838A FR2695643B1 (fr) | 1992-09-11 | 1992-09-11 | Dérivés d'uréido-acétamide, leur préparation et les médicaments les contenant. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994006825A1 true WO1994006825A1 (fr) | 1994-03-31 |
Family
ID=9433403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1993/000847 WO1994006825A1 (fr) | 1992-09-11 | 1993-09-06 | Derives d'ureido-acetamide, leur preparation et les medicaments les contenant |
Country Status (18)
Country | Link |
---|---|
US (1) | US5663204A (fr) |
EP (1) | EP0662081B1 (fr) |
JP (1) | JPH08503696A (fr) |
KR (1) | KR950703579A (fr) |
AT (1) | ATE150030T1 (fr) |
AU (1) | AU672627B2 (fr) |
CA (1) | CA2144039A1 (fr) |
DE (1) | DE69308865T2 (fr) |
DK (1) | DK0662081T3 (fr) |
ES (1) | ES2099973T3 (fr) |
FR (1) | FR2695643B1 (fr) |
GR (1) | GR3022796T3 (fr) |
HU (1) | HUT73170A (fr) |
IL (1) | IL106963A (fr) |
NZ (1) | NZ255450A (fr) |
RU (1) | RU95109148A (fr) |
WO (1) | WO1994006825A1 (fr) |
ZA (1) | ZA936603B (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996028416A1 (fr) * | 1995-03-14 | 1996-09-19 | Daiichi Pharmaceutical Co., Ltd. | Derives d'aminophenol |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991012264A1 (fr) * | 1990-02-09 | 1991-08-22 | Rhone-Poulenc Rorer S.A. | N-phenyl n-acetamido glycinamides, leur preparation et les medicaments les contenant |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2646847B1 (fr) * | 1989-05-12 | 1991-07-12 | Rhone Poulenc Sante | N-phenyl amides, leurs procedes de preparation et les medicaments les contenant |
FR2667864B2 (fr) * | 1990-03-07 | 1994-08-05 | Rhone Poulenc Sante | Derives de n-phenyl glycinamides, leur preparation et les medicaments les contenant. |
FR2695640B1 (fr) * | 1992-09-11 | 1994-11-25 | Rhone Poulenc Rorer Sa | Dérivés d'(amino-3 phényl)-1 éthanesulfonate d'alkylammonium optiquement actifs, leur préparation et leur utilisation. |
FR2695641B1 (fr) * | 1992-09-11 | 1994-11-25 | Rhone Poulenc Rorer Sa | (Amino-3 phényl)-1 éthanesulfonate d'hydroquinine optiquement actif, sa préparation et son utilisation. |
-
1992
- 1992-09-11 FR FR9210838A patent/FR2695643B1/fr not_active Expired - Fee Related
-
1993
- 1993-09-06 US US08/397,044 patent/US5663204A/en not_active Expired - Fee Related
- 1993-09-06 NZ NZ255450A patent/NZ255450A/en unknown
- 1993-09-06 RU RU95109148/04A patent/RU95109148A/ru unknown
- 1993-09-06 DE DE69308865T patent/DE69308865T2/de not_active Expired - Fee Related
- 1993-09-06 EP EP93919418A patent/EP0662081B1/fr not_active Expired - Lifetime
- 1993-09-06 JP JP6507838A patent/JPH08503696A/ja active Pending
- 1993-09-06 WO PCT/FR1993/000847 patent/WO1994006825A1/fr active IP Right Grant
- 1993-09-06 ES ES93919418T patent/ES2099973T3/es not_active Expired - Lifetime
- 1993-09-06 HU HU9500710A patent/HUT73170A/hu unknown
- 1993-09-06 AU AU49655/93A patent/AU672627B2/en not_active Ceased
- 1993-09-06 CA CA002144039A patent/CA2144039A1/fr not_active Abandoned
- 1993-09-06 KR KR1019950700902A patent/KR950703579A/ko not_active Application Discontinuation
- 1993-09-06 DK DK93919418.9T patent/DK0662081T3/da active
- 1993-09-06 AT AT93919418T patent/ATE150030T1/de not_active IP Right Cessation
- 1993-09-08 ZA ZA936603A patent/ZA936603B/xx unknown
- 1993-09-09 IL IL10696393A patent/IL106963A/xx not_active IP Right Cessation
-
1997
- 1997-03-13 GR GR960403092T patent/GR3022796T3/el unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991012264A1 (fr) * | 1990-02-09 | 1991-08-22 | Rhone-Poulenc Rorer S.A. | N-phenyl n-acetamido glycinamides, leur preparation et les medicaments les contenant |
Also Published As
Publication number | Publication date |
---|---|
HUT73170A (en) | 1996-06-28 |
EP0662081B1 (fr) | 1997-03-12 |
AU4965593A (en) | 1994-04-12 |
AU672627B2 (en) | 1996-10-10 |
CA2144039A1 (fr) | 1994-03-31 |
EP0662081A1 (fr) | 1995-07-12 |
RU95109148A (ru) | 1997-02-20 |
IL106963A0 (en) | 1993-12-28 |
DE69308865T2 (de) | 1997-09-11 |
NZ255450A (en) | 1995-10-26 |
KR950703579A (ko) | 1995-09-20 |
FR2695643A1 (fr) | 1994-03-18 |
ES2099973T3 (es) | 1997-06-01 |
DE69308865D1 (de) | 1997-04-17 |
ATE150030T1 (de) | 1997-03-15 |
US5663204A (en) | 1997-09-02 |
IL106963A (en) | 1997-07-13 |
JPH08503696A (ja) | 1996-04-23 |
FR2695643B1 (fr) | 1994-11-25 |
HU9500710D0 (en) | 1995-04-28 |
ZA936603B (en) | 1994-03-29 |
GR3022796T3 (en) | 1997-06-30 |
DK0662081T3 (da) | 1997-05-05 |
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