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WO2004020422A1 - Derives de piperidine 1, 4-substitues et leur utilisation comme inhibiteurs des bases dans le traitement de la maladie d'alzheimer - Google Patents

Derives de piperidine 1, 4-substitues et leur utilisation comme inhibiteurs des bases dans le traitement de la maladie d'alzheimer Download PDF

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Publication number
WO2004020422A1
WO2004020422A1 PCT/GB2003/003719 GB0303719W WO2004020422A1 WO 2004020422 A1 WO2004020422 A1 WO 2004020422A1 GB 0303719 W GB0303719 W GB 0303719W WO 2004020422 A1 WO2004020422 A1 WO 2004020422A1
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Prior art keywords
compound according
carbazol
hydroxy
piperazin
propyl
Prior art date
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Ceased
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PCT/GB2003/003719
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English (en)
Inventor
Henriette Willems
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De Novo Pharmaceuticals Ltd
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De Novo Pharmaceuticals Ltd
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Filing date
Publication date
Application filed by De Novo Pharmaceuticals Ltd filed Critical De Novo Pharmaceuticals Ltd
Priority to AU2003260744A priority Critical patent/AU2003260744A1/en
Publication of WO2004020422A1 publication Critical patent/WO2004020422A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
    • C07D295/08—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
    • C07D295/084—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/04—Indoles; Hydrogenated indoles
    • C07D209/08—Indoles; Hydrogenated indoles with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to carbon atoms of the hetero ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/56—Ring systems containing three or more rings
    • C07D209/80—[b, c]- or [b, d]-condensed
    • C07D209/82—Carbazoles; Hydrogenated carbazoles
    • C07D209/86—Carbazoles; Hydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/56—Ring systems containing three or more rings
    • C07D209/80—[b, c]- or [b, d]-condensed
    • C07D209/82—Carbazoles; Hydrogenated carbazoles
    • C07D209/88—Carbazoles; Hydrogenated carbazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
    • C07D295/08—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
    • C07D295/084—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
    • C07D295/088—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain

Definitions

  • Alzheimer's disease is the most common form of dementia among older people, and affects parts of the brain that control thought, memory and language. Susceptibility to Alzheimer's disease increases with age, but Alzheimer's disease is not a normal part of the ageing process.
  • Alzheimer's disease is associated with regions of accumulated proteins 0 in the brain. These dense regions, termed “amyloid plaques” and “neurofibrilliary tangles", contain ⁇ -amyloid precursor protein ( ⁇ -APP). ⁇ -APP is degraded by ⁇ -amyloid converting enzyme (BACE, also known as ⁇ - secretase) to produce ⁇ -amyloid peptide A ⁇ 40/42, which accumulates in the plaques.
  • BACE ⁇ -amyloid converting enzyme
  • a compound has the formula 0 (I)
  • Compounds of the invention are inhibitors of BACE and as a consequence may have utility in the treatment or prevention of diseases or conditions in which BACE is implicated. In particular, they may have utility in the treatment or prevention of a disease or condition associated with the deposition and/or elevated levels of amyloid beta peptide (A ⁇ ), for example Alzheimer's disease.
  • a ⁇ amyloid beta peptide
  • another aspect of the invention is the use of a compound of formula (I) for the manufacture of a medicament for the treatment or prevention of a disease or condition associated with the deposition and/or elevated levels of amyloid beta peptide (A ⁇ ).
  • Another aspect of the invention is a pharmaceutical composition comprising a compound of formula (I) and a pharmaceutically acceptable carrier or diluent.
  • X and/or Y is preferably alkylene or -O-alkyl-.
  • R 1 and/or R 2 are preferably polycyclyl, heteropolycyclyl or heteroaryl.
  • R 3 and/or R 4 is preferably aryl, more preferably optionally substituted phenyl.
  • alkyl refers to an optionally substituted straight or branched chain alkyl moiety having from 1 to 8 carbon atoms, and includes methyl, ethyl, propyl, isopropyl, n-butyl, sec-butyl and fer ⁇ -butyl, pentyl, hexyl, heptyl, hept-2-yl, octyl and the like.
  • C ⁇ alkyl has the same meaning.
  • the substitutuent(s) may be the same or different and selected from hydroxy, thioxy, halogen and the like.
  • Alkylene refers to a similar, divalent group.
  • alkenyl refers to an optionally substituted straight or branched chain alkyl moiety having 2 to 8 carbon atoms and having in addition at least one double bond, of either E or Z stereochemistry where applicable. This term includes for example, vinyl, 1-propenyl, 1-and 2- butenyl, 2- methyl-2-propenyl etc. "C 2 . 8 alkenyl” has the same meaning. The substituent(s) may be the same or different and selected from hydroxy, thioxy and the like. "Alkenylene” refers to a similar, divalent group.
  • aryl refers to optionally substituted aromatic ring systems comprising 6 to 14 ring atoms, and optionally substituted polycyclic ring systems having two or more cyclic rings at least one of which is aromatic. This term includes for example, phenyl and naphthyl.
  • the group may be optionally substituted with the substituents being the same or different in each occurrence and selected from hydroxy, halogen and the like.
  • heteroaryl refers to an optionally substituted aromatic ring systems comprising 5 to 15 ring atoms, and optionally substituted heteropolycyclic ring systems having two or more rings, at least one of which is aromatic.
  • the group comprises at least one heteroatom selected from O, N, P and S, and includes for example furanyl, thiophenyl, pyridyl, indolyl, quinolyl and the like.
  • the substituent(s) may be the same or different and selected from aryl, halogen, hydroxy and the like.
  • cycloalkyl refers to a saturated alicyclic moiety having from 3 to 8 carbon atoms and includes for example cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl and the like.
  • the substituent(s) may be the same or different and selected from halogen, hydroxy and the like.
  • heterocycloalkyl refers to a saturated heterocyclic moiety having from 3 to 8 carbon atoms and one or more heteroatoms selected from N, O, P and S, and includes for example azetidinyl, pyrrolidinyl, tetrahydrofuranyl, piperidinyl and the like.
  • the substituent(s) may be the same or different and selected from halogen, hydroxy and the like.
  • cycloalkenyl refers to an carbocyclic moiety having from 3 to 8 carbon atoms and having in addition at least one double bond, and includes for example cyclopentenyl or cyclohexenyl.
  • the substituent(s) may be the same or different and selected from halogen, hydroxy and the like.
  • heterocycloalkenyl refers to a unsaturated heterocyclic moiety having from 3 to 8 carbon atoms and one or more heteroatoms selected from N, 0, P and S.
  • the substituent(s) may be the same or different and selected from halogen, hydroxy and the like.
  • polycyclyl refers to an optionally substituted group comprising two or more rings in which two carbon atoms are common to two rings, and includes for example fused rings or bridged rings, such as fluorenyl and the like.
  • the substituent(s) may be the same or different and selected from halogen, hydroxy and the like.
  • heteropolycyclyl refers to an optionally substituted group comprising two or more rings, at least one of which comprises a heteroatom selected from N, O, P and S, wherein two atoms are common to two rings.
  • the term includes, for example, fused rings or bridged rings.
  • halogen refers to F, Cl, Br or I.
  • Preferred compounds of the invention include:
  • the compounds of the invention may be prepared in racemic form, or prepared in individual enantiomeric form by specific synthesis or resolution as will be appreciated in the art.
  • the compounds may, for example, be resolved into their enantiomers by standard techniques, such as the formation of diastereomeric pairs by salt formation with an optically active acid followed by fractional crystallisation and regeneration of the free base.
  • the enantiomers of the novel compounds may be separated by HPLC using a chiral column.
  • a compound of the invention may be in a protected amino, protected hydroxy or protected carboxy form.
  • protected amino protected amino
  • protected hydroxy and “protected carboxy” as used herein refer to amino, hydroxy and carboxy groups which are protected in a manner familiar to those skilled in the art.
  • an amino group can be protected by a benzyloxycarbonyl, tert- butoxycarbonyl, acetyl or like group, or in the form of a phthalimido or like group.
  • a carboxyl group can be protected in the form of a readily cleavable ester such as the methyl, ethyl, benzyl or tert-butyl ester.
  • Compounds of the invention may be in the form of pharmaceutically acceptable salts, for example, addition salts of inorganic or organic acids.
  • inorganic acid addition salts include, for example, salts of hydrobromic acid, hydrochloric acid, nitric acid, phosphoric acid and sulphuric acid.
  • Organic acid addition salts include, for example, salts of acetic acid, benzenesulphonic acid, benzoic acid, camphorsulphonic acid, citric acid, 2-(4-chlorophenoxy)-2- methylpropionic acid, 1 ,2-ethanedisulphonic acid, ethanesulphonic acid, ethylenediaminetetraacetic acid (EDTA), fumaric acid, glucoheptonic acid, gluconicacid, glutamicacid, N-glycolylarsanilicacid, 4-hexylresorcinol, hippuric acid, 2-(4-hydroxybenzoyl)benzoicacid, 1-hydroxy-2-naphthoicacid, 3-hydroxy- 2-naphthoic acid, 2-hydroxyethanesulphonic acid, lactobionic acid, n-dodecyl sulphuric acid, maleic acid, malic acid, mandelic acid, methanesulphonic acid, methyl sulphuric
  • Salts may also be formed with inorganic bases.
  • inorganic base salts include, for example, salts of aluminium, bismuth, calcium, lithium, magnesium, potassium, sodium, zinc and the like.
  • Organic base salts include, for example, salts of N, N'-dibenzylethylenediamine, choline (as a counterion), d i ethanolamine, ethanol am i ne , ethylened i am i ne , N , N' - bis(dehydroabietyl)ethylenediamine, N-methylglucamine, procaine, tris(hydroxymethyl)aminoethane ("TRIS”) and the like.
  • TIS tris(hydroxymethyl)aminoethane
  • salts may be used in therapy.
  • Such salts may be prepared by reacting the compound with a suitable acid or base in a conventional manner.
  • a compound of the invention may be prepared by any suitable method known in the art.
  • Any mixtures of final products or intermediates obtained can be separated on the basis of the physico-chemical differences of the constituents, in a known manner, into the pure final products or intermediates, for example by chromatography, distillation, fractional crystallisation, or by the formation of a salt if appropriate or possible under the circumstances.
  • the activity and selectivity of the compounds may be determined by any suitable assay known in the art.
  • the compounds of the invention may be used in the treatment of numerous ailments, conditions and diseases including, but not limited thereto, Alzheimer's disease.
  • the active compound may be administered orally, rectally, parenterally, by inhalation (pulmonary delivery), topically, ocularly, nasally, or to the buccal cavity.
  • Oral administration is preferred.
  • the therapeutic compositions of the present invention may take the form of any of the known pharmaceutical compositions for such methods of administration.
  • the compositions may be formulated in a manner known to those skilled in the art so as to give a controlled release, for example rapid release or sustained release, of the compounds of the present invention.
  • Pharmaceutically acceptable carriers suitable for use in such compositions are well known in the art.
  • the compositions of the invention may contain 0.1-99% by weight of active compound.
  • compositions of the invention are generally prepared in unit dosage form.
  • a unit dose comprises the active ingredient in an amount of 1-500 mg.
  • the excipients used in the preparation of these compositions are the excipients known in the art. Appropriate dosage levels may be determined by any suitable method known to one skilled in the art. It will be understood, however, that the specific dose level for any particular patient will depend upon a variety of factors including the activity of the specific compound employed, the age, body weight, general health, sex, diet, time of administration, route of administration, rate of excretion, drug combination and the severity of the disease undergoing treatment.
  • compositions for oral administration are preferred compositions of the invention and there are known pharmaceutical forms for such administration, for example tablets, troches, lozenges, aqueous or oily suspensions, dispersible powders or granules, emulsions, hard or soft capsules, or syrups or elixirs.
  • Compositions intended for oral use may be prepared according to any method known to the art for the manufacture of pharmaceutical compositions, and such compositions may contain one or more agents selected from the group consisting of sweetening agents, flavouring agents, colouring agents and preserving agents in order to provide pharmaceutically elegant and palatable preparations. Tablets contain the active ingredient in admixture with non-toxic pharmaceutically acceptable excipients which are suitable for the manufacture of tablets.
  • excipients may be, for example, inert diluents, such as calcium carbonate, sodium carbonate, lactose, calcium phosphate or sodium phosphate; granulating and disintegrating agents, for example corn starch or alginic acid; binding agents, for example starch gelatin, acacia, microcrystalline cellulose or polyvinyl pyrrolidone; and lubricating agents, for example magnesium stearate, stearic acid or talc.
  • the tablets may be uncoated or they may be coated by known techniques to delay disintegration and absorption in the gastrointestinal tract and thereby provide a sustained action over a longer period.
  • a time delay material such as glyceryl monostearate or glyceryl distearate may be employed.
  • Formulations for oral use may also be presented as hard gelatin capsules wherein the active ingredient is mixed with an inert solid diluent, for example calcium carbonate, calcium phosphate or kaolin, or as soft gelatin capsules wherein the active ingredient is mixed with water or an oil medium, for example peanut oil, liquid paraffin or olive oil.
  • an inert solid diluent for example calcium carbonate, calcium phosphate or kaolin
  • water or an oil medium for example peanut oil, liquid paraffin or olive oil.
  • Aqueous suspensions contain the active materials in admixture with excipients suitable for the manufacture of aqueous suspensions.
  • excipients are suspending agents, for example sodium carboxymethylcellulose, methylcellulose, hydroxypropylmethylcellulose, sodium alginate, polyvinyl pyrrolidone, gum tragacanth and gum acacia; dispersing or wetting agents may be a naturally occurring phosphatide, for example lecithin, or condensation products of an alkylene oxide with fatty acids, for example polyoxyethylene stearate, or condensation products of ethylene oxide with long-chain aliphatic alcohols, for example heptadecaethyleneoxycetanol, or condensation products of ethylene oxide with partial esters derived from fatty acids, for example polyoxyethylene sorbitan monooleate.
  • suspending agents for example sodium carboxymethylcellulose, methylcellulose, hydroxypropylmethylcellulose, sodium alginate, polyvinyl pyrrolidone, gum tragacanth and gum
  • the aqueous suspensions may also contain one or more preservatives, for example ethyl or n-propyl p- hydroxybenzoate, one or more colouring agents, one or more flavouring agents, and one or more sweetening agents, such as sucrose or saccharin.
  • Oily suspensions may be formulated by suspending the active ingredient in a vegetable oil, for example arachis oil, olive oil, sesame oil or coconut oil, or in a mineral oil such as liquid paraffin.
  • the oily suspensions may contain a thickening agent, for example beeswax, hard paraffin or cetyl alcohol. Sweetening agents, such as those set forth above, and flavouring agents may be add to provide a palatable oral preparation.
  • compositions may be preserved by the addition of an antioxidant such as ascorbic acid.
  • Dispersible powders and granules suitable for preparation of an aqueous suspension by the addition of water provide the active ingredient in admixture with a dispersing or wetting agent, suspending agent and one or more preservatives. Suitable sweetening, flavouring and colouring agents may also be present.
  • the pharmaceutical compositions of the invention may also be in the form of oil-in-water emulsions.
  • the oily phase may be a vegetable oil, for example olive oil or arachis oil, or a mineral oil, for example liquid paraffin, or mixtures of these.
  • Suitable emulsifying agents may be naturally occurring gums, for example gum acacia or gum tragacanth, naturally occurring phosphatides, for example soya bean, lecithin, and esters or partial esters derived from fatty acids and hexitol anhydrides, for example sorbitan monooleate and condensation products of the said partial esters with ethylene oxide, for example polyoxyethylene sorbitan monooleate.
  • the emulsions may also contain sweetening and flavouring agents. Syrups and elixirs may be formulated with sweetening agents, for example glycerol, propylene glycol, sorbitol or sucrose.
  • Such formulations may also contain a demulcent, a preservative and flavouring and colouring agents.
  • the pharmaceutical compositions may be in the form of a sterile injectable aqueous or oleagenous suspension. This suspension may be formulated according to the known art using those suitable dispersing or wetting agents and suspending agents which have been mentioned above.
  • the sterile injectable preparation may also be in a sterile injectable solution or suspension in a non-toxic parenterally acceptable diluent or solvent, for example as a solution in 1 ,3- butanediol.
  • the acceptable vehicles and solvents that may be employed are water, Ringer's solution and isotonic sodium chloride solution.
  • sterile, fixed oils are conventionally employed as a solvent or suspending medium.
  • any bland fixed oil may be employed including synthetic mono- or diglycerides.
  • fatty acids such as oleic acid, find use in the preparation of injectables.
  • the compounds of the invention may also be administered in the form of suppositories for rectal administration of the drug.
  • These compositions can be prepared by mixing the drug with a suitable non-irritating excipient which is solid at ordinary temperatures but liquid at the rectal temperature and will therefore melt in the rectum to release the drug.
  • suitable non-irritating excipient which is solid at ordinary temperatures but liquid at the rectal temperature and will therefore melt in the rectum to release the drug.
  • Such materials are cocoa butter and polyethylene glycols.
  • compositions for topical administration are also suitable for use in the invention.
  • the pharmaceutically active compound may be dispersed in a pharmaceutically acceptable cream, ointment or gel.
  • a suitable cream may be prepared by incorporating the active compound in a topical vehicle such as light liquid paraffin, dispersed in a aqueous medium using surfactants.
  • An ointment may be prepared by mixing the active compound with a topical vehicle such as a mineral oil or wax.
  • a gel may be prepared by mixing the active compound with a topical vehicle comprising a gelling agent.
  • Topically administrable compositions may also comprise a matrix in which the pharmaceutically active compounds of the present invention are dispersed so that the compounds are held in contact with the skin in order to administer the compounds transdermally. The following Example illustrates the invention.
  • Compounds 1 to 11 are known, and were tested for their inhibitory activity towards BACE.

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  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hospice & Palliative Care (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Psychiatry (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

L'invention concerne un composé de formule (I) ou un sel pharmaceutiquement acceptable dudit composé, Dans ladite formule, R1 et R2 sont identiques ou différents, et sont chacun cycloalkyle, cycloalcényle, hétérocycloalkyle, hétérocycloalcényle, aryle, hétéroaryle, polycyclyle ou hétéropolycyclyle; R3 et R4 sont identiques ou différents, et sont chacun hydrogène, alkyle, cycloalkyle, cycloalcényle, hétérocycloalkyle, hétérocycloalcényle, aryle, hétéroaryle ou polycyclyle; X et Y sont identiques ou différents, et sont chacun une liaison, alkylène, alcénylène, -O-alkyle- ou -O-alcényle-; et m et n sont identiques ou différents, et sont chacun 0 ou 1.
PCT/GB2003/003719 2002-08-30 2003-08-28 Derives de piperidine 1, 4-substitues et leur utilisation comme inhibiteurs des bases dans le traitement de la maladie d'alzheimer Ceased WO2004020422A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003260744A AU2003260744A1 (en) 2002-08-30 2003-08-28 1, 4- substituted piperidine derivatives and use thereof as base-inhibitors in treatment of alzheimer's disease

Applications Claiming Priority (2)

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GB0220214.1 2002-08-30
GBGB0220214.1A GB0220214D0 (en) 2002-08-30 2002-08-30 Compounds and their use

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WO2004020422A1 true WO2004020422A1 (fr) 2004-03-11

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Cited By (17)

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US8673920B2 (en) 2009-05-06 2014-03-18 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US8952166B2 (en) 2012-07-26 2015-02-10 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US8999990B2 (en) 2011-10-25 2015-04-07 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US8999991B2 (en) 2011-10-25 2015-04-07 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9056859B2 (en) 2010-10-29 2015-06-16 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9062070B2 (en) 2011-08-19 2015-06-23 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9073882B2 (en) 2010-10-27 2015-07-07 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9108947B2 (en) 2011-10-31 2015-08-18 Merck Sharp & Dohme Corp. Inhibitors of the Renal Outer Medullary Potassium channel
US9139585B2 (en) 2011-10-31 2015-09-22 Merck Sharp & Dohme Corp. Inhibitors of the Renal Outer Medullary Potassium channel
US9206199B2 (en) 2011-12-16 2015-12-08 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9493474B2 (en) 2011-10-31 2016-11-15 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9527830B2 (en) 2011-09-16 2016-12-27 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9573961B2 (en) 2012-12-19 2017-02-21 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9604998B2 (en) 2013-02-18 2017-03-28 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9751881B2 (en) 2013-07-31 2017-09-05 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9765074B2 (en) 2013-03-15 2017-09-19 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9777002B2 (en) 2012-11-29 2017-10-03 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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US8673920B2 (en) 2009-05-06 2014-03-18 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9018211B2 (en) 2009-05-06 2015-04-28 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9073882B2 (en) 2010-10-27 2015-07-07 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9056859B2 (en) 2010-10-29 2015-06-16 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9062070B2 (en) 2011-08-19 2015-06-23 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9527830B2 (en) 2011-09-16 2016-12-27 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US8999990B2 (en) 2011-10-25 2015-04-07 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US8999991B2 (en) 2011-10-25 2015-04-07 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9108947B2 (en) 2011-10-31 2015-08-18 Merck Sharp & Dohme Corp. Inhibitors of the Renal Outer Medullary Potassium channel
US9139585B2 (en) 2011-10-31 2015-09-22 Merck Sharp & Dohme Corp. Inhibitors of the Renal Outer Medullary Potassium channel
US9493474B2 (en) 2011-10-31 2016-11-15 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9206199B2 (en) 2011-12-16 2015-12-08 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9206198B2 (en) 2012-07-26 2015-12-08 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US8952166B2 (en) 2012-07-26 2015-02-10 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9777002B2 (en) 2012-11-29 2017-10-03 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9573961B2 (en) 2012-12-19 2017-02-21 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9604998B2 (en) 2013-02-18 2017-03-28 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9765074B2 (en) 2013-03-15 2017-09-19 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel
US9751881B2 (en) 2013-07-31 2017-09-05 Merck Sharp & Dohme Corp. Inhibitors of the renal outer medullary potassium channel

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