WO1996003404A1 - Acylimidazopyridine - Google Patents
Acylimidazopyridine Download PDFInfo
- Publication number
- WO1996003404A1 WO1996003404A1 PCT/EP1995/002953 EP9502953W WO9603404A1 WO 1996003404 A1 WO1996003404 A1 WO 1996003404A1 EP 9502953 W EP9502953 W EP 9502953W WO 9603404 A1 WO9603404 A1 WO 9603404A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- compounds
- methyl
- alkyl
- formula
- amino
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
Definitions
- the invention relates to new acylimidazopyridines which are to be used in the pharmaceutical industry as active ingredients for the production of medicaments.
- European patent application EP-A-0033094 describes imidazo [1,2-a] pyridines which carry an aryl substituent in the 8-position which preferably has a phenyl, thienyl, pyridyl or chlorine, fluorine, Methyl, tert-butyl, trifluoromethyl, methoxy or cyano-substituted phenyl radical.
- aryl radicals in EP-A-0033094 are the radicals phenyl, o- or p-fluorophenyl, p-chlorophenyl and 2,4,6-trimethylphenyl, of which the radicals phenyl, o- or p-fluorophenyl and 2,4,6-tri ethylphenyl are particularly preferred.
- EP-A-0204285, EP-A-0228006, EP-A-0268989 and EP-A-0308917 imidazo [1,2-a] pyridines are described which have an unsaturated in the 3-position saturated aliphatic radical, especially a (substituted) alkynyl radical.
- European patent application EP-A-0266890 describes imidazo [1,2-a] pyridines which are substituted in the 8-position by an alkenyl, alkyl or cycloalkylalkyl radical.
- the invention relates to compounds of the formula I (see attached formula sheet), in which R0 1-4C-alkyl, hydroxymethyl, halogen or thiocyanate,
- R2 is hydrogen, 1-4C-alkyl, 1-4C-alkoxy, halogen or trifluoromethyl,
- R4 is hydrogen, 1-4C-alkyl, 1-4C-alkoxy, halogen or trifluoromethyl,
- R5 is hydrogen, 1-4C-alkyl, 1-4C-alkoxy or halogen and
- 1-4C-Alkyl stands for straight-chain or branched alkyl radicals with 1 to 4 carbon atoms. Examples include the butyl, iso-butyl, sec-butyl, tert-butyl, propyl, isopropyl, ethyl and especially the methyl radical.
- Halogen in the sense of the invention is bromine, chlorine and fluorine.
- 1-4C-Alkoxy stands for an oxygen atom to which one of the 1-4C-alkyl radicals mentioned above is bound.
- the methoxy and ethoxy radicals may be mentioned.
- 1-4C-Alkylcarbonyl stands for a radical which, in addition to the carbonyl group, contains one of the 1-4C-alkyl radicals mentioned above.
- the acetyl radical may be mentioned in particular.
- the acetoxy radical may be mentioned as the preferred 1-4C-alkylcarbonyloxy radical.
- 1-4C-Alkoxycarbonyl stands for a radical which, in addition to the carbonyl group, contains one of the 1-4C-alkoxy radicals mentioned above.
- the methoxycarbonyl and the ethoxycarbonyl radical may be mentioned.
- Examples of the 1-4C-alkylcarbonylamino radical are the propionylamino and in particular the acetylamino radical.
- Examples of the l-4C-alkoxycarbonylamino radical are methoxycarbonylamino, ethoxycarbonylamino and in particular t-butoxycarbonyla amino radical.
- Suitable salts for compounds of the formula I are preferably all acid addition salts. Particular mention should be made of the pharmacologically tolerable salts of the inorganic and organic acids usually used in galenics. Pharmacologically incompatible salts, which may initially be obtained as process products in the preparation of the compounds according to the invention on an industrial scale, are converted into pharmacologically acceptable salts by processes known to the person skilled in the art.
- Suitable as such are water-soluble and water-insoluble acid addition salts with acids such as hydrochloric acid, hydrobromic acid, phosphoric acid, nitric acid, sulfuric acid, acetic acid, citric acid, D-gluconic acid, benzoic acid, 2- (4-hydroxybenzoyl) benzoic acid, butyric acid, sulfosalicylic acid, maleic acid, maleic acid Lauric acid, malic acid, fumaric acid, succinic acid, oxalic acid, tartaric acid, embonic acid, stearic acid, toluenesulfonic acid, methanesulfonic acid or 3-hydroxy-2-naphthoic acid, the acids during salt production - depending on whether it is a mono- or is multi-base acid and, depending on which salt is desired, be used in an equi o ⁇ lar or a different ratio.
- acids such as hydrochloric acid, hydrobromic acid, phosphoric acid, nitric acid,
- RO 1-4C-alkyl hydroxymethyl or halogen
- R4 is hydrogen
- R2 1-4C-alkyl chlorine or fluorine
- R3 amino, chlorine-substituted 1-4C-alkoxy or substituted 1-4C- -alkyl with a substituent selected from the group consisting of hydroxy, oxo, 1-4C-alkylcarbonyloxy, chlorine, 1-4C-alkoxy, amino, 1- 4C-alkylcarbonylamino and 1-4C-alkoxycarbonylamino,
- R4 is hydrogen
- Preferred compounds are those of the formula I in which
- R4 is hydrogen
- the invention further relates to a process for the preparation of the compounds of the formula I and their salts.
- the method is characterized in that
- the compounds I obtained are subsequently converted into their salts, or if desired the compounds I are subsequently released from the salts of the compounds I obtained.
- the compounds II are reduced in a manner known per se to the person skilled in the art. It takes place in inert solvents, e.g. never their aliphatic alcohols, e.g. using suitable hydrides, such as sodium borohydride, if necessary with the addition of water.
- reaction according to process variant c) is also carried out in a manner known per se to the person skilled in the art, as is known for the production of urea derivatives from amines, for example by adding an aqueous solution of an alkali metal anyanate (for example potassium cyanate) to a solution or suspension of the compound III in acid.
- an alkali metal anyanate for example potassium cyanate
- the person skilled in the art is familiar with the reaction conditions which are required for carrying out the process in detail on the basis of his specialist knowledge.
- the substances according to the invention are isolated and purified in a manner known per se, for example by distilling off the solvent in vacuo and recrystallizing the residue obtained from a suitable solvent or using one of the customary purification methods, such as column chromatography on a suitable support material, submits.
- Acid addition salts are obtained by dissolving the free base in a suitable solvent, e.g. in water, in a chlorinated hydrocarbon, such as methylene chloride or chloroform, a lower aliphatic alcohol (ethanol, isopropanol), a ketone, such as acetone, or an ether, such as THF or diisopropyl ether, which contains the desired acid, or which contains the desired acid Acid is then added.
- a chlorinated hydrocarbon such as methylene chloride or chloroform
- a lower aliphatic alcohol ethanol, isopropanol
- a ketone such as acetone
- an ether such as THF or diisopropyl ether
- the salts are obtained by filtration, reprecipitation, precipitation with a non-solvent for the addition salt or by evaporation of the solvent.
- Salts obtained can be obtained by alkalization, e.g. with aqueous ammonia solution, are converted into the free bases, which in turn can be converted into acid addition salts. In this way, pharmacologically unacceptable acid addition salts can be converted into pharmacologically acceptable acid addition salts.
- the starting compounds II can be prepared in a manner known per se, for example by reacting the compounds IV with the compounds V (see attached formula sheet), in which R1, R2, R3, R4, R5 and A have the meanings indicated above and X has one suitable leaving group, e.g. represents a halogen atom (preferably chlorine or bromine), or using analogous methods such as those described, for example, in European patent applications EP-A-0268989 or EP-A-0308917.
- R1, R2, R3, R4, R5 and A have the meanings indicated above
- X has one suitable leaving group, e.g. represents a halogen atom (preferably chlorine or bromine), or using analogous methods such as those described, for example, in European patent applications EP-A-0268989 or EP-A-0308917.
- the starting compounds III are known from EP-A-0308917 or they can be prepared in an analogous manner to that described there.
- the starting compounds III can be prepared in a manner known per se from the corresponding nitro compounds by reduction.
- the following examples serve to explain the preparation of the compounds according to the invention in more detail.
- the examples also serve to describe, by way of example, the preparation of the compounds of the formula I and the preparation of selected starting compounds.
- further compounds of the formula I and further starting compounds can be prepared in an analogous manner or in a manner familiar to the person skilled in the art using customary process techniques.
- the abbreviation RT stands for room temperature
- h stands for hour (s), min for minute (s), mp for melting point, dec. for decomposition.
- Example 2 The procedure given in Example 1 is followed by chromatography from O-acetyl-D-iic acid chloride and 8- (2-amino-6-methyl-benzylamino) -3-formyl-2-methylimidazo [1,2-ajpyridine Silica gel (eluent: toluene / dioxane - 9: 1) and crystallization from ethyl acetate / cyclohexane, the title compound of mp. 131-134'C.
- the precipitate formed in the aqueous residue is filtered off, washed with water and dried in vacuo.
- the crude product is purified by chromatography on silica gel (eluent: ethyl acetate / methanol 20: 1 to 10: 1). After concentration of the fractions with Rf-0.3 and crystallization from ethyl acetate / cyclohexane, the title compound (0.26 g, 47%) is obtained as a beige powder. 164-168'C (dec.).
- N-acetylglycine (0.36 g, 3.0 mmol) in anhydrous dichloromethane (20 ml) is mixed at -10 ° C. with N-methylmorpholine (034 g, 3.0 mmol) and 1 h stirred.
- Isobutyl chloroformate (0.4 ml, 3.0 mmol), dissolved in 5 ml dichloromethane, is then added dropwise and the mixture is stirred again at -10 ° C. for 1 h.
- 10b 8- [2- (2-Acetylamino-acetylamino) -6-methyl-benzylamino] -3-formyl-2-methyl-imidazo [1,2-a] pyridine. 150-154'C. 10c. 8- [2- (2-tert-Butyloxycarbonylamino-acetylamino) -6-methyl-benzyla i-no] -2,3-dimethyl-imidazo [1,2-a] pyridine. 172-174'C. lOd.
- Example 11 The procedure given in Example 11 gives 8- [2- (2-tert-butyloxycarbonylaminoacetylamino) -6-methylbenzylamino] -3- formyl-2-methylimidazo [1,2-a] pyridine the title compound as a beige solid. 149-15rc. 13. 8-T2-.2-amino-acetylamino) -6-methyl-benzylamino! -3-hydroxymethyl-2-methyl-imidazofl.2-alpyridine
- Example 15 The procedure described in Example 15 gives diketene starting from 8- (2-amino-6-methyl-benzyloxy) -2,3-dimethyl-imidazo [1,2-a] pyridine and 4-dimethylaminopyridine the title compound (49%) as a beige powder. 174-175'C.
- Example 15 According to the procedure described in Example 15, the title compound is obtained starting from 8- (2-amino-6-methyl-benzyloxy) -3-formyl-2-methyl-imidazo [1,2-a] pyridine, diketene and 4-dimethylaminopyridine (49%) as a beige powder. 174-175 # C.
- the compounds of the formula I and their salts have valuable pharmacological properties which make them commercially usable. In particular, they have a pronounced inhibition of gastric acid secretion and an excellent gastric and intestinal protective effect in warm-blooded animals.
- the compounds according to the invention are distinguished here by a high degree of selectivity of action, a comparatively long duration of action, good enteral activity, the absence of essential side effects and a large therapeutic breadth.
- “Stomach and intestinal protection” in this context means the prevention and treatment of gastrointestinal diseases, in particular gastrointestinal inflammatory diseases and lesions (such as, for example, ulcer ventriculi, duodenal ulcer, gastritis, hyperacid or drug-induced irritable stomach), which are caused, for example, by microorganisms (eg Helicobacter pylori), bacterial toxins, medications (eg certain anti-inflammatory drugs and anti-rheumatic drugs), chemicals (eg ethanol), gastric acid or stressful situations.
- the compounds of the invention also have an intrinsic activity against the Helicobacter pylori germ.
- the compounds according to the invention surprisingly prove to be clearly superior to the compounds known from the prior art on various models in which the antiulcerogenic and the antisecretory properties are determined.
- the compounds of the formula I and their pharmacologically acceptable salts are outstandingly suitable for use in human and veterinary medicine, and are used in particular for the treatment and / or prophylaxis of diseases of the stomach and / or intestine.
- the invention therefore furthermore relates to the compounds according to the invention for use in the treatment and / or prophylaxis of the abovementioned diseases.
- the invention also includes the use of the compounds according to the invention for the production of medicaments which are used for the treatment and / or prophylaxis of the abovementioned diseases.
- the invention further comprises the use of the compounds according to the invention for the treatment and / or prophylaxis of the abovementioned diseases.
- the invention further relates to medicaments which contain one or more compounds of the formula I and / or their pharmacologically tolerable salts.
- the pharmaceuticals are produced by methods known per se and familiar to the person skilled in the art.
- auxiliaries and excipients suitable for the desired pharmaceutical formulations on the basis of his specialist knowledge.
- solvents for example antioxidants, dispersants, emulsifiers, defoamers, flavor correcting agents, preservatives, solubilizers, colorants or, in particular, permeation promoters and complexing agents (e.g. cyclodextrins) can be used.
- the active ingredients can be administered orally, parenterally or percutaneously.
- the pharmaceutical preparations can also comprise one or more pharmacologically active constituents of other groups of medicaments, such as antacids, for example aluminum hydroxide, magnesium aluminate; Tranquilizers, such as benzodiazepines, for example diazepam; Antispasmodics, e.g. Bietamiverin, Camylofin, Anticholinergica, e.g. Oxyphencyclimine, phencarbamide; Local anesthetics, e.g. Tetracaine, procaine; optionally also contain ferments, vitamins or amino acids.
- antacids for example aluminum hydroxide, magnesium aluminate
- Tranquilizers such as benzodiazepines, for example diazepam
- Antispasmodics e.g. Bietamiverin, Camylofin, Anticholinergica, e.g. Oxyphencyclimine, phencarbamide
- Local anesthetics e.
- the combination of the compounds according to the invention with pharmaceuticals which inhibit acid secretion such as, for example, H blockers (for example cimetidine, ranitidine), H + / K + -ATPase inhibitors (for example omeprazole, pantoprazole), or also with, should be emphasized So-called peripheral anticholinergics (eg pirenzepin, telenzepin) and with gastrin antagonists with the aim of strengthening the main effect in an additive or superadditive sense and / or eliminating or reducing the side effects, or furthermore the combination with antibacterial substances ⁇ zen (such as cephalosporins, tetracyclines, nalidixic acid, penicillins or bismuth salts) to combat Helicobacter pylori. pharmacology
- H blockers for example cimetidine, ranitidine
- H + / K + -ATPase inhibitors for example omeprazole, pantoprazole
- gastrin antagonists with the
- the excellent gastric protective effect and the gastric acid secretion-inhibiting effect of the compounds according to the invention can be demonstrated in studies on animal experimental models.
- the compounds according to the invention investigated in the model listed below have been given numbers which correspond to the numbers of these compounds in the examples.
- Table A below shows the influence of the compounds according to the invention after intravenous administration on the acid secretion of the perfused rat stomach stimulated by pentagastrin in vivo.
- anesthetized rats (CD rat, female, 200-250 g; 1.5 g / kg in urethane) were opened with a median upper abdominal incision and a PVC catheter transorally in the esophagus and another one after tracheotomy fixed via the pylorus in such a way that the tube ends just protruded into the stomach lumen.
- the catheter leading out of the pylorus led outwards through a lateral opening in the right abdominal wall.
- warm physiological NaCl solution was continuously passed through (0.5 ml / min, pH 6.8-6.9; Braun-Unita I).
- pH value pH meter 632, glass electrode EA 147; $ - 5 mm, Metrohm
- Dosimat 665 Metrohm determines the secreted HC1.
- the body temperature of the animals was by infrared irradiation and Wien ⁇ pads (automatic, stepless control via rectal temperature sensor) at a constant 37.8-38 ⁇ C.
- the table shows the dose which led to a maximum inhibition of acid secretion by approximately 100%.
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Pharmacology & Pharmacy (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ290819A NZ290819A (en) | 1994-07-28 | 1995-07-26 | Acyl 8-benzyloxy- or 8-benzylaminoimidazopyridines |
AU31661/95A AU702166B2 (en) | 1994-07-28 | 1995-07-26 | Acylimidazopyridines |
EP95927726A EP0773945A1 (de) | 1994-07-28 | 1995-07-26 | Acylimidazopyridine |
JP8505481A JPH10505332A (ja) | 1994-07-28 | 1995-07-26 | アシルイミダゾピリジン |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH2390/94-7 | 1994-07-28 | ||
CH239094 | 1994-07-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996003404A1 true WO1996003404A1 (de) | 1996-02-08 |
Family
ID=4232666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1995/002953 WO1996003404A1 (de) | 1994-07-28 | 1995-07-26 | Acylimidazopyridine |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0773945A1 (de) |
JP (1) | JPH10505332A (de) |
AU (1) | AU702166B2 (de) |
CA (1) | CA2196076A1 (de) |
NZ (1) | NZ290819A (de) |
WO (1) | WO1996003404A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997027193A1 (de) * | 1996-01-26 | 1997-07-31 | Byk Gulden Lomberg Chemische Fabrik Gmbh | Halogenimidazopyridine |
WO1997027192A1 (de) * | 1996-01-26 | 1997-07-31 | Byk Gulden Lomberg Chemische Fabrik Gmbh | 3-methylimidazopyridine |
WO2000011000A2 (en) * | 1998-08-21 | 2000-03-02 | Astrazeneca Ab | New compounds |
WO2001034578A1 (en) * | 1999-11-09 | 2001-05-17 | Astrazeneca Ab | Compounds with anti-helicobacter pylori activity |
US7105676B2 (en) * | 1998-09-23 | 2006-09-12 | Altana Pharma Ag | Tetrahydropyridoethers |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0773944A1 (de) * | 1994-07-28 | 1997-05-21 | Byk Gulden Lomberg Chemische Fabrik GmbH | Benzylimidazopyridine |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0308917A2 (de) * | 1987-09-24 | 1989-03-29 | Fujisawa Pharmaceutical Co., Ltd. | Imidazopyridinverbindungen, Verfahren zu ihrer Herstellung und diese enthaltende pharmazeutische Zubereitungen |
JPH02270873A (ja) * | 1989-03-13 | 1990-11-05 | Fujisawa Pharmaceut Co Ltd | イミダゾピリジン化合物およびその製造法 |
EP0596406A1 (de) * | 1992-11-02 | 1994-05-11 | Fujisawa Pharmaceutical Co., Ltd. | Imidazo (1,2-a)pyridine als Bradykinin-Antagonisten |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NZ221996A (en) * | 1986-10-07 | 1989-08-29 | Yamanouchi Pharma Co Ltd | Imidazo-pyridine derivatives and pharmaceutical compositions |
-
1995
- 1995-07-26 CA CA002196076A patent/CA2196076A1/en not_active Abandoned
- 1995-07-26 EP EP95927726A patent/EP0773945A1/de not_active Withdrawn
- 1995-07-26 JP JP8505481A patent/JPH10505332A/ja not_active Withdrawn
- 1995-07-26 NZ NZ290819A patent/NZ290819A/en unknown
- 1995-07-26 AU AU31661/95A patent/AU702166B2/en not_active Ceased
- 1995-07-26 WO PCT/EP1995/002953 patent/WO1996003404A1/de not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0308917A2 (de) * | 1987-09-24 | 1989-03-29 | Fujisawa Pharmaceutical Co., Ltd. | Imidazopyridinverbindungen, Verfahren zu ihrer Herstellung und diese enthaltende pharmazeutische Zubereitungen |
JPH02270873A (ja) * | 1989-03-13 | 1990-11-05 | Fujisawa Pharmaceut Co Ltd | イミダゾピリジン化合物およびその製造法 |
EP0596406A1 (de) * | 1992-11-02 | 1994-05-11 | Fujisawa Pharmaceutical Co., Ltd. | Imidazo (1,2-a)pyridine als Bradykinin-Antagonisten |
Non-Patent Citations (1)
Title |
---|
CHEMICAL ABSTRACTS, vol. 115, no. 21, Columbus, Ohio, US; abstract no. 232239f, FUJISAWA: "Preparation of imidazopyridines as antiulcer agents" page 950; * |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997027193A1 (de) * | 1996-01-26 | 1997-07-31 | Byk Gulden Lomberg Chemische Fabrik Gmbh | Halogenimidazopyridine |
WO1997027192A1 (de) * | 1996-01-26 | 1997-07-31 | Byk Gulden Lomberg Chemische Fabrik Gmbh | 3-methylimidazopyridine |
WO2000011000A2 (en) * | 1998-08-21 | 2000-03-02 | Astrazeneca Ab | New compounds |
WO2000011000A3 (en) * | 1998-08-21 | 2000-06-15 | Astrazeneca Ab | New compounds |
US6579884B1 (en) | 1998-08-21 | 2003-06-17 | Astrazeneca Ab | Compounds |
EP1411056A2 (de) * | 1998-08-21 | 2004-04-21 | AstraZeneca AB | Imidazo[1,2-a]pyridin-Verbindungen, die die Magensäuresekretion inhibieren, sie enthaltende pharmazeutische Zusammensetzungen und Verfahren für ihre Herstellung |
EP1411056A3 (de) * | 1998-08-21 | 2004-04-28 | AstraZeneca AB | Imidazo[1,2-a]pyridin-Verbindungen, die die Magensäuresekretion inhibieren, sie enthaltende pharmazeutische Zusammensetzungen und Verfahren für ihre Herstellung |
US6790960B2 (en) | 1998-08-21 | 2004-09-14 | Astrazeneca Ab | Compounds |
US7105676B2 (en) * | 1998-09-23 | 2006-09-12 | Altana Pharma Ag | Tetrahydropyridoethers |
US7393860B1 (en) | 1998-09-23 | 2008-07-01 | Altana Pharma Ag | Tetrahydropyridoethers |
WO2001034578A1 (en) * | 1999-11-09 | 2001-05-17 | Astrazeneca Ab | Compounds with anti-helicobacter pylori activity |
Also Published As
Publication number | Publication date |
---|---|
EP0773945A1 (de) | 1997-05-21 |
JPH10505332A (ja) | 1998-05-26 |
CA2196076A1 (en) | 1996-02-08 |
NZ290819A (en) | 1998-06-26 |
AU3166195A (en) | 1996-02-22 |
AU702166B2 (en) | 1999-02-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0683780B1 (de) | Imidazopyridine und ihre anwendung zur behandlung von magen-darm krankheiten | |
DE69905178T2 (de) | Tetrahydropyridoether | |
EP0723544B1 (de) | ALKOXYALKYLCARBAMATE VON IMIDAZO[1,2-a]PYRIDINEN | |
DE60121345T2 (de) | Alkylierte imidazopyridinderivate | |
DE60002855T2 (de) | Haloalkoxy-imidazonaphthyridine | |
DE60115466T2 (de) | Wirkstoffvorläufer von imidazopyridin-derivaten | |
DE69823493T2 (de) | Tetrahydropyridoverbindungen | |
DE60127131T2 (de) | Tricyclische imidazopyridine | |
EP0609328B1 (de) | Pyrrolo-pyridazine mit magen- und darmschutzwirkungen | |
WO1991017164A1 (de) | Neue pyridazine | |
EP0773946B1 (de) | Imidazopyridin-azolidinone | |
DE60131968T2 (de) | PYRANOÄ2,3-cÜIMIDAZOÄ1,2-aÜPYRIDIN-DERIVATE ZUR BEHANDLUNG VON GASTROINTESTINALEN ERKRANKUNGEN | |
EP0773945A1 (de) | Acylimidazopyridine | |
EP0882048B1 (de) | 3-alkylimidazopyridine | |
WO1996003402A1 (de) | Halogenimidazopyridine | |
WO1996003403A1 (de) | Benzylimidazopyridine | |
WO1990005136A1 (de) | Neue imidazopyridine | |
DD220307A5 (de) | Verfahren zur herstellung von polycyclische carbonsaeureverbindungen | |
DE19602855A1 (de) | Neue 3-Methylimidazopyridine | |
WO1997027193A1 (de) | Halogenimidazopyridine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AU BG BR BY CA CN CZ EE FI HU JP KR LT LV MX NO NZ PL RO RU SG SI SK UA US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 290819 Country of ref document: NZ |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1995927726 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2196076 Country of ref document: CA |
|
ENP | Entry into the national phase |
Ref document number: 1997 776391 Country of ref document: US Date of ref document: 19970417 Kind code of ref document: A |
|
WWP | Wipo information: published in national office |
Ref document number: 1995927726 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1995927726 Country of ref document: EP |