EP2102162A1 - Derives phenyliques et leur utilisation comme medicament - Google Patents
Derives phenyliques et leur utilisation comme medicamentInfo
- Publication number
- EP2102162A1 EP2102162A1 EP07866449A EP07866449A EP2102162A1 EP 2102162 A1 EP2102162 A1 EP 2102162A1 EP 07866449 A EP07866449 A EP 07866449A EP 07866449 A EP07866449 A EP 07866449A EP 2102162 A1 EP2102162 A1 EP 2102162A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D271/00—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
- C07D271/02—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms not condensed with other rings
- C07D271/10—1,3,4-Oxadiazoles; Hydrogenated 1,3,4-oxadiazoles
- C07D271/107—1,3,4-Oxadiazoles; Hydrogenated 1,3,4-oxadiazoles with two aryl or substituted aryl radicals attached in positions 2 and 5
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- 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
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- 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
- A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/08—Drugs for skeletal disorders for bone diseases, e.g. rachitism, Paget's disease
- A61P19/10—Drugs for skeletal disorders for bone diseases, e.g. rachitism, Paget's disease for osteoporosis
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- 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
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- 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
- A61P25/04—Centrally acting analgesics, e.g. opioids
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- 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
- A61P25/14—Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
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- 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
- A61P25/14—Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
- A61P25/16—Anti-Parkinson drugs
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
- A61P37/06—Immunosuppressants, e.g. drugs for graft rejection
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- 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
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom 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 ring carbon atoms
- C07D215/48—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
- C07D263/02—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings
- C07D263/30—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D263/32—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D271/00—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms
- C07D271/02—Heterocyclic compounds containing five-membered rings having two nitrogen atoms and one oxygen atom as the only ring hetero atoms not condensed with other rings
- C07D271/06—1,2,4-Oxadiazoles; Hydrogenated 1,2,4-oxadiazoles
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D285/00—Heterocyclic compounds containing rings having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by groups C07D275/00 - C07D283/00
- C07D285/01—Five-membered rings
- C07D285/02—Thiadiazoles; Hydrogenated thiadiazoles
- C07D285/04—Thiadiazoles; Hydrogenated thiadiazoles not condensed with other rings
- C07D285/12—1,3,4-Thiadiazoles; Hydrogenated 1,3,4-thiadiazoles
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/78—Ring systems having three or more relevant rings
- C07D311/80—Dibenzopyrans; Hydrogenated dibenzopyrans
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
- C07D413/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
Definitions
- Phenyl derivatives and their use as a medicament Phenyl derivatives and their use as a medicament
- the present application relates to new phenyl derivatives. These products have good affinity for certain cannabinoid receptor subtypes, particularly CB2 receptors. They are particularly useful for treating disease states and diseases in which one or more cannabinoid receptors are involved.
- the invention also relates to pharmaceutical compositions containing said products and their use for the preparation of a medicament.
- Cannabinoids are psychoactive components found in Indian cannabis (Cannabis sativa) including nearly 6 different molecules, the most represented being delta-9-tetrahydrocannabinol.
- Indian cannabis Crobis sativa
- the knowledge of the therapeutic activity of cannabis dates back to the ancient Chinese dynasties in which, 5000 years ago, cannabis was used for the treatment of asthma, migraines and gynecological disorders. It was in 1850 that cannabis extracts were recognized and included in the American pharmacopoeia.
- Cannabinoids are known to have different effects on many functions and organs, the most important being the central nervous system and the cardiovascular system. These effects include impaired memory, euphoria, and sedation. Cannabinoids also increase the pulse rate and change the systemic blood pressure. Peripheral effects related to bronchial constriction, immunomodulation and inflammation were also observed. More recently, cannabinoids have been shown to modulate cellular and humoral immune responses and have anti-inflammatory properties. Despite all these properties, the therapeutic use of cannabinoids is controversial for its psychoactive effects (cause of dependence) but also for its multiple side effects not yet fully characterized. Although much work has been done in this area since the 1940s, there was little information on the characterization of cannabinoid receptors, the existence of endogenous ligands, and until recently on selective a particular receptor subtype.
- CB1 and CB2 Two cannabinoid receptors have been identified and cloned, CB1 and CB2.
- CB1 is expressed predominantly in the central nervous system whereas CB2 is expressed in peripheral tissues, mainly in the immune system.
- These two receptors are members of the G-protein coupled receptor family and their inhibition is related to the activity of adenylate cyclase.
- CB2 modulators offer a unique approach to pharmacotherapy against immune disorders, inflammation, osteoporosis, renal ischemia and other disease states.
- cannabinoid analogs having a high affinity for the CB2 receptor.
- Cannabinoid analogs that specifically modulate the CB2 receptor directly or indirectly can produce clinically useful effects without affecting the central nervous system thereby providing a rational therapeutic approach for a wide variety of disease states.
- novel compounds of this invention modulate CB2 activity and are therefore useful for the treatment and prevention of disease states and diseases associated with cannabinoid receptor activity such as, but not limited to, cell proliferation disorders.
- disease states and diseases associated with cannabinoid receptor activity such as, but not limited to, cell proliferation disorders.
- diseases associated with cannabinoid receptor activity such as cancer, immune disorders, inflammation, pain, osteoporosis, atherosclerosis, epilepsy, nausea associated with chemotherapy, fibrosis, gastrointestinal disorders, neurodegenerative diseases including sclerosis multiple and dyskinesia, Parkinson's disease, Huntington's chorea, Alzheimer's disease but also to prevent or cure diseases associated with motor function such as Tourette's syndrome, to provide neuroprotection.
- X 1 , X 2 , X 3 and X 4 represent, independently, an oxygen or sulfur atom, or a radical of formula -NR N - OR -C (R 4 R 5 ) - (it being understood that the chain - ( Xi) m -X 2 -X 3 -X 4 - does not include an adjacent heteroatom);
- n 0 or 1
- R 4 and R 5 represent, independently, the hydrogen atom or a (C 1 -C 6 ) alkyl radical optionally substituted by one or more identical or different halo, or together form the oxo radical;
- R N represents the hydrogen atom, a (C 1 -C 4 ) alkyl or (C 1 -C 6 ) alkylcarbonyl radical;
- R 2 represents the hydrogen atom or a (C 1 -C 6 ) alkyl radical
- R 3 , R " 3 and R '" 3 represent, independently, the hydrogen atom, a hydroxy, (C 1 -C 6 ) alkyl or (dC 4 ) alkoxy radical;
- L represents either -C (O) -O- or a radical corresponding to the oxadiazole, oxazole or thiadiazole ring if A represents the radical (Ai), or a radical corresponding to the oxadiazole, oxazole or thiadiazole ring if A represents the radical (A 2 );
- Y represents a covalent bond or the -NH- radical
- n 1, 2 or 3;
- R'N represents the hydrogen atom or a (C 1 -C 4) alkyl radical
- Z represents the sulfur or oxygen atom
- R 1 represents a radical (C 1 -C 8 ) alkyl, (C 2 -C 6 ) alkenyl, (C 1 -C 8 ) hydroxyalkyl, (C 3 -C 7 ) cycloalkyl, spiro-cycloalkyl, (C 3 -C 7 ) heterocycloalkyl, heteroaryl, (C 1 -C 8 ) alkoxy, (C 1 -C 5) alkoxy- (C 1 -C 8 ) alkyl, or a radical (CH 2 ) P -R ' 2 , all these radicals being optionally substituted with one or more identical or different substituents chosen from: halo, (Ci-C 6) haloalkyl;
- p 1, 2 or 3;
- R 2 represents a (C 3 -C 7 ) cycloalkyl or (C 3 -C 7 ) heterocycloalkyl, aryl or heteroaryl radical, all these radicals being optionally substituted by one or more identical or different substituents chosen from: halo, (C] - C 6 ) alkyl, (C 1 -C 4 ) alkoxy and (dC 6 ) haloalkyl;
- R 1 represents the radical -NR 1 NC (O) -R 1 ; -NR N -S (O) 2 -R 1 I Or -NR ' N -C (Z) -NHR' I ;
- halo represents the fluoro, chloro, bromo or iodo radical, preferably chloro, fluoro or bromo.
- the expression (Ci-C 8 ) alkyl (when not more precise), preferably represents an alkyl radical having 1 to 8 carbon atoms, linear or branched, such as methyl, ethyl radicals. propyl, isopropyl, butyl, isobutyl, sec-butyl and tert-butyl, pentyl or amyl, isopentyl, neopentyl, hexyl or isohexyl, heptyl or octyl.
- the expression (C 1 -C 6 ) alkyl represents an alkyl radical having 1 to 6 carbon atoms as defined above.
- the expression (Ci-C 4 ) alkyl represents an alkyl radical having 1 to 4 carbon atoms as defined above.
- alkenyl when not more precise is meant a linear or branched hydrocarbon radical containing from 2 to 6 carbon atoms and having at least one unsaturation (double bond), for example vinyl, allyl, propenyl , butenyl or pentenyl.
- Haloalkyl means an alkyl radical of which at least one of the hydrogen atoms (and possibly all) is replaced by a halogen atom (halo) such as trifluoromethyl.
- hydroxyalkyl denotes radicals in which the alkyl radical is as defined above and at least one carbon atom of which is substituted by a hydroxyl radical, for example hydroxymethyl, hydroxyethyl or 2-hydroxy-butyl.
- alkylcarbonyl or alkyl-C (O) - refers to radicals in which the alkyl radical is as defined above for example methylcarbonyl, ethylcarbonyl, butylcarbonyl.
- alkoxy denotes radicals in which the alkyl radical is as defined above such as, for example, methoxy, ethoxy, propyloxy or isopropyloxy radicals, but also linear, secondary or tertiary butoxy, pentyloxy radicals.
- (C 1 -C 8 ) alkoxy- (C 1 -C 8 ) alkyl is understood to mean a radical in which the alkoxy and alkyl radicals are as defined above, such as, for example, methoxy-ethyl, methoxymethyl or ethoxy-ethyl. .
- (C 3 -C 7 ) cycloalkyl denotes a saturated carbon monocyclic system comprising from 3 to 7 carbon atoms, namely the cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl or cycloheptyl rings.
- the expression (C 3 -C 7 ) heterocycloalkyl denotes a saturated monocyclic or fused bicyclic system containing from 3 to 7 carbon atoms and at least one heteroatom. This radical can contain several identical or different heteroatoms. Preferably, the heteroatoms are selected from oxygen, sulfur or nitrogen.
- heterocycloalkyl examples include the following rings: azetidine, pyrrolidine, imidazolidine, pyrrazolidine, isothiazolidine, thiazolidine, isoxazolidine, oxazolidine, piperidine, piperazine, morpholine, azepane (azacycloheptane), tetrahydrofuran (tetrahydrofuryl radical), tetrahydropyran, dioxane, dioxolane or tetrahydrothiophene (tetrahydrothienyl radical).
- rings examples include azetidine, pyrrolidine, imidazolidine, pyrrazolidine, isothiazolidine, thiazolidine, isoxazolidine, oxazolidine, piperidine, piperazine, morpholine, azepane (azacycloheptane), tetrahydrofuran (tetrahydrofuryl radical), t
- spiro-cycloalkyl denotes a spirocyclic saturated hydrocarbon system containing from 5 to 10 carbon atoms.
- spiro-cycloalkyl examples include spiro [2.2] pentane, spiro [2.3] hexane, spiroheptane (spiro [2.4] heptane or spiro [3.3] heptane), spirooctane (spiro [2.5] octane or spiro [3.4] octane spirononane (spirono [2.6] nane, spirono [3.5] nane, spiro [4.4] nonane) or spirodecane (spiro [2.7] decane, spiro [3.6] decane, spiro [4.5] decane).
- aryl represents an aromatic radical, consisting of a ring or condensed rings, such as, for example, the phenyl, naphthyl, fluorenyl or anthryl radical.
- heteroaryl refers to an aromatic radical, consisting of a ring or condensed rings, with at least one ring containing one or more identical or different heteroatoms selected from sulfur, nitrogen or oxygen.
- heteroaryl radical As an example of a heteroaryl radical, mention may be made of the following radicals: pyrrolyl, imidazolyl, pyrazolyl, isothiazolyl, thiazolyl, isoxazolyl, oxazolyl, oxadiazolyl, triazolyl, thiadiazolyl, pyridyl, pyrazinyl, pyrimidyl, pyridazinyl, quinolyl, isoquinolyl, quinoxalinyl, indolyl, benzotriazolyl benzothiazolyl, benzoxadiazoyl, carbazolyl, phenoxazinyl, thienopyridinyl (thieno [2,3-b] pyridine, thieno [3,2-b] pyridine, thieno [2,3-c] pyridine, thieno [3,2-c] pyridine, thieno [3,4-b]
- the present invention more particularly relates to compounds of formula I as defined above characterized in that A represents the radical (Ai).
- X 1 , X 2 , X 3 and X 4 represent, independently, an oxygen atom, or a radical of formula -NR N - OR -C (R 4 R 5 ) -;
- R N represents the hydrogen atom or a (C 1 -C 6 ) alkyl radical
- R 4 and R 5 represent, independently, the hydrogen atom or a (C 1 -C 6 ) alkyl radical, or together form the oxo radical; and m represents 0 or 1;
- X 1 represents an oxygen atom or a radical of formula -NR N - OR -C (R 4 R 5 ) -;
- X 2 and X 3 represent, independently, the oxygen atom or a radical of formula - C (R 4 R 5 ) -;
- X 4 represents an oxygen atom or -C (R 4 R 5 ) -; and m represents 0 or 1.
- the subject of the present invention is compounds of formula I as defined above, characterized in that
- X 1 represents a radical of formula -NR N - OR -C (R 4 R 5 ) -;
- X 2 and X 3 represent, independently, a radical of formula -C (R 4 R 5 ) -;
- X 4 represents an oxygen atom or -C (R 4 R 5 ) -;
- R 4 and R 5 represent, independently, the hydrogen atom or the methyl radical
- RN represents the hydrogen atom or the methyl radical
- m represents 0 or 1;
- the present invention more particularly relates to compounds of formula I as defined above and characterized in that A represents the radical (A 2 ).
- the present invention more particularly relates to compounds of formula I as defined above and characterized in that R ' 3 , R “ 3 and R'" 3 represent, independently, the atom of hydrogen or a (C 1 -C 6 ) alkyl radical;
- R ' 3 and R " 3 represent, independently, the tert-butyl radical, and R'" 3 represents the hydrogen atom.
- the present invention more particularly relates to compounds of formula I as defined above and characterized in that n represents 1 or 2.
- the present invention more particularly relates to compounds of formula I as defined above and characterized in that L represents -C (O) -O-.
- the present invention more particularly relates to compounds of formula I as defined above and characterized in that L represents the radical corresponding to the oxadiazole ring.
- the present invention more particularly relates to compounds of formula I as defined above and characterized in that L represents the radical corresponding to the oxazole ring.
- the present invention more particularly relates to compounds of formula I as defined above and characterized in that L represents the radical corresponding to the thiadiazole ring.
- the present invention more particularly relates to compounds of formula I as defined above and characterized in that Y represents a covalent bond and n represents 2.
- R ' N represents the hydrogen atom
- Z represents the sulfur or oxygen atom
- R 1 represents a (C 1 -C 8 ) alkyl, (C 2 -C 6 ) alkenyl, (C 3 -C 7 ) cycloalkyl, spiro-cycloalkyl, (C 3 -C 7 ) heterocycloalkyl, heteroaryl, (C 1 - C 8 ) alkoxy- (C 1 -C 8 ) alkyl, or a radical (CH 2 ) P -R ' 2 , all these radicals being optionally substituted by one or more substituents (C 1 -C 6 ) alkyl identical or different ;
- R 2 represents a (C 3 -C 7 ) cycloalkyl, (C 3 -C 7 ) heterocycloalkyl, aryl or heteroaryl radical;
- R 1 represents the radical -NR 1 NC (O) -R 1 ; -NR N -S (O) 2 -R 1 and -NR N -C (Z) -NHR 1 J ; and R ' N represents the hydrogen atom.
- R 1 represents the radical -NR 1 N -C (O) -R 1 or -NR N -C (Z) -NHR 1 ; and R N represents the hydrogen atom;
- Z represents the oxygen atom
- R 1 represents a radical (C 1 -C 8 ) alkyl, (C 2 -C 6 ) alkenyl, (C 3 -C 7 ) cycloalkyl optionally substituted with one or more substituents (C 1 -C 6 ) alkyl identical or different, spiro-cycloalkyl, or a radical (CH 2 ) p -R ' 2 with p which represents 1; R ' 2 represents a (C 3 -C 7 ) cycloalkyl or heteroaryl radical.
- the subject of the present invention is compounds of formula I as defined above and characterized in that
- R 1 represents the radical -NR 1 N -C (O) -R 'j; and R ' N represents the hydrogen atom;
- R 1 represents a (C 1 -C 6 ) alkyl, (C 2 -C 6 ) alkenyl radical; or (C 3 -C 7 ) cycloalkyl selected from cyclopropyl, cyclobutyl and cyclopentyl and optionally substituted by one or more identical or different (C 1 -C 6 ) alkyl substituents; spiro [2: 3] hexane; or a radical (CH 2 ) p -R ' 2 with p which represents 1;
- R 2 represents a (C 3 -C 7 ) cycloalkyl radical chosen from cyclopropyl, cyclobutyl and cyclopentyl.
- the subject of the present invention is compounds of formula I as defined above and characterized in that
- R 1 represents the radical -NR 1 N -C (Z) -NHR 1 ;
- R ' N represents the hydrogen atom; and
- Z represents the oxygen atom;
- R 1 represents a radical (QC 6 ) alkyl or (C 2 -C 6 ) alkenyl.
- the symbol -> * corresponds to the point of attachment of the radical.
- site of attachment is not specified on the radical, it means that the attachment is made on one of the available sites of this radical for such attachment.
- variable groups A, L, Y and R 1 the compounds according to the invention can be prepared according to the procedures A aN described below:
- the aniline derivative (1) can be coupled to an acid chloride in the presence of a tertiary base such as triethylamine or diisopropylethylamine at a temperature in the region of 0 ° C. to give the corresponding amide. (2).
- the alcohol (2) can then be either coupled to an acid chloride (3), in the presence of a tertiary base such as triethylamine or disopropylethylamine at room temperature, or coupled to an acid (4) in the presence of a coupling agent such as diisopropylcarbodiimide (DIC), dicyclohexylcarbodiimide (DCC), 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride (EDC) or carbonyldiimidazole (CDI), with or without 1-hydroxybenzotriazole (HOBt), or with the Mukayiama reagent (2-chloro-1-methyl-pyridinium chloride) in the presence of a tertiary base such as triethylamine or diisopropylethylamine, in an inert organic solvent such as methylene chloride , tetrahydrofuran or dimethylformamide at room temperature for 3 to 24
- Example A1 2- ⁇ 4 - [(cyclobutylcarbonyl) amino] phenyl ⁇ ethyl 5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalene-2-carboxylate
- Step 1 N- [4- (2-hydroxyethyl) phenyl] cyclobutanecarboxamide
- Step 2 2- ⁇ 4 - [(Cyclobutylcarbonyl) amino] phenyl ⁇ ethyl-5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalene-2-carboxylate
- the alcohol (1 ') can be either coupled to an acid chloride (3) in the presence of a tertiary base such as triethylamine or disopropylethylamine at room temperature, or coupled to an acid (4) in the presence of a coupling agent such as diisopropylcarbodiimide (DIC), dicyclohexylcarbodiimide (DCC) 5 l- hydrochloride (3-dimethylaminopropyl) - 3-ethylcarbodiimide hydrochloride (EDC) or carbonyldiimidazole (CDI), with or without 1- hydroxybenzotriazole (HOBt), or with the Mukayiama reagent (2-chloro-1-methyl-pyridinium chloride) in the presence of a tertiary base such as triethylamine or diisopropylethylamine, in an inert organic solvent such as methylene, tetrahydrofuran or
- the nitro function of the compound (6) is reduced by treatment with tin chloride dihydrate in an inert solvent such as ethyl acetate or dimethylformamide at a temperature of 60-80 ° C for 3 to 15 hours or heated microwaves at a temperature of 80 to 120 ° C (Biotage ® equipment), in a sealed tube, for 10 to 30 minutes, or alternatively by catalytic hydrogenation in the presence of 10% palladium on carbon in an inert solvent such as methanol, ethanol, ethyl acetate or a mixture of these solvents at a temperature of 18-25 ° C for 2 to 8 hours to yield aniline (7).
- an inert solvent such as ethyl acetate or dimethylformamide
- the aniline (7) may then be coupled to an acid chloride in the presence of a tertiary base such as triethylamine or diisopropylethylamine at a temperature in the region of 0 ° C. to 25 ° C. for 30 minutes to 3 hours.
- a tertiary base such as triethylamine or diisopropylethylamine
- a coupling agent such as diisopropylcarbodiimide (DIC), dicyclohexylcarbodiimide (DCC), 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride (EDC) or carbonyldiimidazole (CDI) with or without 1-hydroxybenzotriazole (HOBt), or with the Mukayiama reagent (2-chloro-1-methyl-pyridinium chloride) in the presence of a tertiary base such as triethylamine or diisopropylethylamine, in a solvent inert organic compound such as methylene chloride, tetrahydrofuran or dimethylformamide at room temperature for 3 to 24 hours or alternatively heated under microwaves at a temperature of 80 to 120 ° C (Biotage ® equipment), in a sealed tube, for 1 hour.
- DIC diisopropylcarbodiimide
- DCC dicyclohe
- Aniline (7) can be reacted with an isocyanate or an isothiocyanate in an inert organic solvent such as methylene chloride or tetrahydrofuran at a temperature of 20 to 60 ° C to give respectively urea (9) and thiourea (10). ).
- Aniline (7) can also be treated with a thioimidate in a polar solvent such as than methanol or ethanol or DMF at a temperature of 20 to 80 ° C for 2 to 24 hours to lead to the corresponding amidine (11).
- Example B1 2- ⁇ 4 - [(cyclobutylcarbonyl) amino] phenyl ⁇ ethyl 5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalene-2-carboxylate
- Step 1 2- (4-nitrophenyl) ethyl 5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalene-2-carboxylate
- Step 2 2- (4-aminophenyl) ethyl 5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalene-2-carboxylate
- Step 3 2- ⁇ 4 - [(cyclobutylcarbonyl) amino] phenyl ⁇ ethyl 5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalene-2-carboxylate
- Example B2 2- (4 - ⁇ [(propylamino) carbonyl] amino ⁇ phenyl) ethyl 5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalene-2-carboxylate
- Example B3 2- (4 - ⁇ [(ethylamino) carbonothioyl] amino ⁇ phenyl) ethyl
- R 1 represents one of the following radicals:
- the acid (12) can be coupled to an amine in the presence of a coupling agent such as diisopropylcarbodiimide (DIC), dicyclohexylcarbodiimide (DCC), 1- (3-dimethylaminopropyl) hydrochloride.
- DIC diisopropylcarbodiimide
- DCC dicyclohexylcarbodiimide
- 1- (3-dimethylaminopropyl) hydrochloride 1-
- the alcohol (13) is then either coupled to an acid chloride (3) in the presence of a tertiary base such as triethylamine or disopropylethylamine at ambient temperature, or coupled to an acid (4) in the presence a coupling agent such as diisopropylcarbodiimide (DIC), dicyclohexylcarbodiimide (DCC), 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride (EDC) or carbonyldiimidazole (CDI), with or without hydroxybenzotriazole (HOBt), or with the Mukayiama reagent (2-chloro-1-methyl-pyridinium chloride) in the presence of a tertiary base such as triethylamine or diisopropylethylamine, in an inert organic solvent such as methylene, tetrahydrofuran or dimethylformamide at room temperature for 3 to 24 hours or alternatively heated
- Example C1 4 - [(Cyclobutylamino) carbonyl] benzyl 5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalene-2-carboxylate
- Step 2 4 - [(Cyclobutylamino) carbonyl] benzyl 5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalene-2-carboxylate
- the acid chloride (3) or the acid (4) can be coupled to a hydrazide (16) (either commercially available or prepared by treating the corresponding ester (15) with hydrazine in a polar solvent such as methanol or ethanol at room temperature for 5 to 24 hours) in the presence of a dehydrating agent such as thionyl chloride, polyphosphoric acid or sulfuric acid or the oxychloride of phosphorus used as a solvent, or in the presence of Burgess reagent (methyl N (triethylammonium-sulfonyl) carbamate), in an apolar solvent such as tetrahydrofuran, at a temperature of 70 to 120 ° C or alternatively heated under microwave at a temperature of temperature of 100 to 150 ° C (Biotage ® equipment), in a sealed tube, for 10 to 30 minutes, to lead to oxadiazole (17).
- a dehydrating agent such as thionyl chloride, polyphosphoric acid or sulfuric acid or
- the nitro function of the compound (17) is reduced by treatment with tin chloride dihydrate in an inert solvent such as ethyl acetate or dimethylformamide at a temperature of 60-80 ° C for 3 to 15 hours or heated under microwave at a temperature of 100 to 120 ° C for 15 to 30 minutes, or alternatively by hydrogenation catalytic in the presence of 10% palladium on carbon in an inert solvent such as ethyl acetate, at a temperature of 18-25 ° C, for 2 to 8 hours to yield aniline (18).
- an inert solvent such as ethyl acetate or dimethylformamide
- the aniline (18) may then be coupled to an acid chloride in the presence of a tertiary base such as triethylamine or diisopropylethylamine at a temperature in the region of 0 ° C. to 25 ° C. for 30 minutes to 3 hours.
- a tertiary base such as triethylamine or diisopropylethylamine
- a coupling agent such as diisopropylcarbodiimide (DIC), dicyclohexylcarbodiimide (DCC), 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride (EDC) or carbonyldiimidazole ( CDI), with or without 1-hydroxybenzotriazole (HOBt), or with the Mukayiama reagent (2-chloro-1-methyl-pyridinium chloride) in the presence of a tertiary base such as triethylamine or diisopropylethylamine, in an inert organic solvent such as methylene chloride, tetrahydrofuran or dimethylformamide at room temperature for 3 to 24 hours or alternatively heated in a microwave at a temperature of 80 to 120 ° C (Biotage ® equipment), in a sealed tube e, for 10 to 30 minutes, to give the corresponding amide (19).
- DIC diisopropylcar
- Aniline (18) can be reacted with an isocyanate or isothiocyanate in an inert organic solvent such as methylene chloride or tetrahydrofuran at room temperature to give urea (20) and thiourea (21) respectively.
- the aniline (18) can also be treated with a thioimidate in a polar solvent such as methanol or ethanol or DMF at a temperature of 20 to 80 ° C for 2 to 24 hours to yield amidine ( 22).
- Example D1 N- (4- ⁇ 2- [5- (5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl) -1,3,4-oxadiazol-2- yl] ethyl ⁇ phenyl) cyclobutanecarboxamide
- Step 1 2- [2- (4-nitro-phenyl) ethyl] -5- (5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-naphthalen-2-yl) -1,3,4 -oxadiazole
- Step 3 N- (4- ⁇ 2- [5- (5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl) -1,3,4-oxadiazol-2- yl] ethyl ⁇ phenyl) cyclobutanecarboxamide
- Example D2 N-allyl-N 1- (4- ⁇ 2- [5- (5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl) -1,3,4 -oxadiazol-2-yl] ethyl ⁇ phenyl) urea
- the hydrazide (24) (prepared by treating the corresponding ester (23) with hydrazine in a polar solvent such as methanol or ethanol at room temperature for 5 to 24 hours) can be coupled to an isothiocyanate (26) (prepared by treatment of the corresponding amine (25) with thiophosgene in an inert solvent such as dichloromethane or tetrahydrofuran at a temperature of 0 ° C for 0.2 h to 2 h) in the presence of a coupling agent such as diisopropylcarbodiimide (DIC), dicyclohexylcarbodiimide (DCC), 1- (3-dimethylaminopropyl) -3-emylcarbodiimide hydrochloride (EDC) or carbonyldiimidazole (CDI) in an aprotic solvent such as tetrahydrofuran; at a temperature of 70 to 120 ° C for 2 hours to 24 hours or alternatively
- DIC diis
- the nitro function of the compound (27) is reduced by treatment with tin chloride dihydrate in an inert solvent such as ethyl acetate or dimethylformamide at a temperature of 60-80 ° C for 3 to 15 hours or heated in a microwave at a temperature of 100 to 120 ° C for 15 to 30 minutes, or alternatively by catalytic hydrogenation in the presence of 10% palladium on carbon in an inert solvent such as ethyl acetate, at a temperature of 18-25 ° C, for 2 to 8 hours to lead to aniline (28).
- an inert solvent such as ethyl acetate or dimethylformamide
- the aniline (28) may then be coupled with an acid chloride in the presence of a tertiary base such as triethylamine or diisopropylethylamine at a temperature in the region of 0 ° C. to 25 ° C. for 30 minutes to 3 hours.
- a tertiary base such as triethylamine or diisopropylethylamine
- a coupling agent such as diisopropylcarbodiimide (DIC), dicyclohexylcarbodiimide (DCC), 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride (EDC) or carbonyldiimidazole ( CDI), with or without 1-hydroxybenzotriazole (HOBt), or with the Mukayiama reagent (2-chloro-1-methyl-pyridinium chloride) in the presence of a tertiary base such as triethylamine or diisopropylethylamine, in an inert organic solvent such as methylene chloride, tetrahydrofuran or dimethylformamide at room temperature for 3 to 24 hours or alternatively heated under microwave at a temperature of 80 to 120 ° C (Biotage ® equipment), in a sealed tube, for 10 to 30 minutes, to give the corresponding amide (29).
- DIC diisopropylcarbodiimi
- Aniline (28) can react with an isocyanate or isothiocyanate in an inert organic solvent such as methylene chloride or tetrahydrofuran at room temperature to give respectively urea (30) and thiourea (31).
- the aniline (28) can also be treated with a thioimidate in a polar solvent such as methanol or ethanol or DMF at a temperature of 20 to 80 ° C for 2 to 24 hours to yield the amidine ( 32).
- Example E1 N- [4 - ( ⁇ [5- (5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl) -
- Step 2 N- (4-aminobenzyl) -5- (5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl) -1,3,4-oxadiazol-2-amine
- N- (4-nitrobenzyl) -5- (5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl) -1,3,4-oxadiazole 2-amine (535 mg) in solution in ethyl acetate (20 ml) and palladium on charcoal 10% (55 mg).
- the catalyst is removed by filtration on celite and the filtrate is concentrated under reduced pressure at 40 ° C. Purification by chromatography flash on silica gel (eluent: heptane 100% to heptane / ethyl acetate 45:55) gives the expected compound as a white powder (350 mg, 71% yield).
- Example E2 N-propyl-N- [4 - ( ⁇ [5- (5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl) -1,3,4-oxadiazole -2-yl] amino ⁇ methyl) phenyl] urea
- the acid chloride (3) can be coupled to amidoxime (33) (commercial or prepared from the corresponding nitrile derivative by treatment with hydroxylamine in the presence of an inorganic base such as that potassium carbonate in a polar solvent such as ethanol, at a temperature of 60 to 80 ° C for 1 to 24 hours) in the presence of a tertiary base such as triethylamine or diisopropylethylamine, or the acid (4) can be coupled to amidoxime (33) in the presence of a coupling agent such as diisopropylcarbodiimide (DIC), dicyclohexylcarbodiimide (DCC), 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride ( EDC), carbonyldiimidazole (CDI), 1-hydroxybenzotriazole (HOBt), O-benzotriazol-1-yl-N-N-tetramethyluronium terafluoride (DIC),
- the mixture may be heated under microwave at a temperature of 100 to 150 ° C. (Biotage equipment ® ), in a sealed tube, for 30 minutes to 2 hours, to give the corresponding amino-oxadiazole (35)
- the nitro function of the compound (35) is reduced by treatment with tin chloride dihydrate in an inert solvent as ethyl acetate or dimethylformamide at a temperature of 60-80 ° C for 3 to 15 hours or heated under microwave at a temperature of 100 to 120 ° C for 15 to 30 minutes, or alternatively by catalytic hydrogenation in the presence of palladium on carbon 10% dan an inert solvent such as ethyl acetate, at a temperature of 18-25 ° C, for 2 to 8 hours to yield aniline (36).
- an inert solvent such as ethyl acetate
- the aniline (36) may then be coupled to an acid chloride in the presence of a tertiary base such as triethylamine or diisopropylethylamine at a temperature in the region of 0 ° C. to 25 ° C. for 30 minutes to 3 hours.
- a tertiary base such as triethylamine or diisopropylethylamine
- a coupling agent such as diisopropylcarbodiimide (DIC), dicyclohexylcarbodiimide (DCC), 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride (EDC) or carbonyldiimidazole ( CDI), with or without 1-hydroxybenzotriazole (HOBt), or with the Mukayiama reagent (2-chloro-1-methyl-pyridinium chloride) in the presence of a tertiary base such as triethylamine or diisopropylethylamine, in an inert organic solvent such as methylene chloride, tetrahydrofuran or dimethylformamide at room temperature for 3 to 24 hours or alternatively heated in a microwave at a temperature of 80 to 120 ° C (Biotage ® equipment), in a sealed tube, for 10 to 30 minutes, to give the corresponding amide (37).
- DIC diisopropylcarbod
- Aniline (36) can be reacted with an isocyanate or isothiocyanate in an inert organic solvent such as methylene chloride or tetrahydrofuran at room temperature to yield urea (38) and thiourea (39), respectively.
- the aniline (36) can also be treated with a thioimidate in a polar solvent such as methanol or ethanol or DMF at a temperature of 20 to 80 ° C for 2 to 24 hours to yield amidine ( 40).
- Example F1 N- (4 - ⁇ [5- (3,5-di-tert-butylphenyl) -1,2,4-oxadiazol-3-yl] methyl ⁇ phenyl) cyclobutanecarboxamide
- Step 1 1- [N - [(3,5-di-tert-butylbenzoyl) oxy] -2- (4-nitrophenyl) ethanimidamide
- Step 2 5- (3,5-di-tert-butylphenyl) -3- (4-nitrobenzyl) -1,2,4-oxadiazole
- Step 3 4 - ⁇ [5- (3,5-di-tert-butylphenyl) -1,2,4-oxadiazol-3-yl] methyl ⁇ phenyl) amine
- Step 4 N- (4 - ⁇ [5- (3,5-di-tert-butylphenyl) -1,2,4-oxadiazol-3-yl] methyl ⁇ phenyl) cyclobutanecarboxamide
- the solid obtained is purified by flash chromatography on silica gel (eluent: heptane 100% to heptane / ethyl acetate 6: 4) to give the expected compound as a white solid (56 mg, 85% yield).
- Example F2 N- (4 - ⁇ [5- (3,5-di-tert-butylphenyl) -1,2,4-oxadiazol-3-yl] methyl ⁇ phenyl) -N-propylurea
- RM ⁇ ( 1 H, 400 MHz, DMSO-4): 0.85 (t, 3H), 1.33 (s, 18H), 1.42 (q, 2H), 4.06 (s, 2H), 6 , 08 (t, 1H), 7.16 (AB, 2H), 7.33 (AB, 2H), 7.72 (s, 1H), 7.85 (s, 2H), 8.35 (s, H).
- the amide (41) may be coupled to an ⁇ -bromoketone (42) in an aprotic solvent such as THF or DMF at a temperature of 80 to 120 ° C for 3 to 24 hours or alternatively heated microwaves at a temperature of 120 ° C to 150 ° C (Biotage ® equipment), in a sealed tube, for 10 to 45 minutes, to lead to the oxazole (43).
- an aprotic solvent such as THF or DMF
- the nitro function of the compound (43) is reduced by treatment with tin chloride dihydrate in an inert solvent such as ethyl acetate or dimethylformamide at a temperature of 60-80 ° C for 3 to 15 hours or heated in a microwave at a temperature of 100 to 120 ° C for 15 to 30 minutes, or alternatively by catalytic hydrogenation in the presence of 10% palladium on carbon in an inert solvent such as ethyl acetate, at a temperature of 18-25 0 C, for 2 to 8 hours to lead to aniline (44).
- an inert solvent such as ethyl acetate or dimethylformamide
- the aniline (44) can then be coupled to an acid chloride in the presence of a tertiary base such as triethylamine or diisopropylethylamine at a similar temperature from 0 ° C to 25 ° C for 30 minutes to 3 hours, is coupled to an acid in the presence of a coupling agent such as diisopropylcarbodiimide (DIC), dicyclohexylcarbodiimide (DCC), hydrochloride of 3-dimethylaminopropyl) -3-ethylcarbodiimide (EDC) or carbonyldiimidazole (CDI), with or without 1-hydroxybenzotriazole (HOBt), or with the reagent Mukayiama (2-chloro-1-methyl-pyridinium chloride) the presence of a tertiary base such as triethylamine or diisopropylethylamine, in an inert organic solvent such as methylene chloride, tetrahydro
- Aniline (44) can be reacted with an isocyanate or isothiocyanate in an inert organic solvent such as methylene chloride or tetrahydrofuran at room temperature to give urea (46) and thiourea (47) respectively.
- the aniline (44) can also be treated with a thioimidate in a polar solvent such as methanol or ethanol or DMF at a temperature of 20 to 80 ° C for 2 to 24 hours to yield amidine ( 48).
- Example H1 N- (4- ⁇ 2- [4- (5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl) -1,3-oxazol-2-yl] ethyl ⁇ phenyl) cyclobutanecarboxamide
- Step 1 2- [2- (4-nitrophenyl) ethyl] -4- (5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl) -1,3-oxazole
- Step 2 (4- ⁇ 2- [4- (5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl) -1,3-oxazol-2-yl] ethyl ⁇ phenyl) amine
- Step 3 N- (4- ⁇ 2- [4- (5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl) -1,3-oxazol-2-yl] ethyl ⁇ phenyl) cyclobutanecarboxamide
- the acid chloride (3) or the acid (4) can be coupled to a hydrazide (15) (either commercially available or prepared by treating the corresponding ester (15) with hydrazine in a polar solvent such as methanol or ethanol at room temperature for 5 to 24 hours) to yield ⁇ N-diacyl hydrazine (57).
- a polar solvent such as methanol or ethanol at room temperature for 5 to 24 hours
- the cyclization of thiadiazole (58) is carried out by treatment with phosphorus (V) sulfide in an inert solvent, such as tetrahydrofuran or acetonitrile, at a temperature of 18 to 80 ° C, for 2 to 15 hours.
- the nitro function of the Compound (58) is reduced by treatment with tin chloride dihydrate in an inert solvent such as ethyl acetate or dimethylformamide at a temperature of 60-80 ° C for 3 to 15 hours, or heated under a microorganism. waves at a temperature of 100 to 120 ° C for 15 to 30 minutes, or alternatively by catalytic hydrogenation in the presence of 10% palladium on carbon in an inert solvent such as ethyl acetate, at a temperature of 18-25 ° C, for 2 to 8 hours to lead to aniline (59).
- an inert solvent such as ethyl acetate or dimethylformamide
- the aniline (59) may then be coupled to an acid chloride in the presence of a tertiary base such as triethylamine or diisopropylethylamine at a temperature in the region of 0 ° C. to 25 ° C. for 30 minutes to 3 hours.
- a tertiary base such as triethylamine or diisopropylethylamine
- a coupling agent such as diisopropylcarbodiimide (DIC), dicyclohexylcarbodiimide (DCC), 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride (EDC) or carbonyldiimidazole ( CDI), with or without 1-hydroxybenzotriazole (HOBt), or with the Mukayiama reagent (2-chloro-1-methyl-pyridinium chloride) in the presence of a tertiary base such as triethylamine or diisopropylethylamine, in an inert organic solvent such as methylene chloride, tetrahydrofuran or dimethylformamide at ambient temperature for 3 to 24 hours, or alternatively heated under microwave at a temperature of 80 to 120 ° C (Biotage ® equipment) in a sealed tube For 10 to 30 minutes, to give the corresponding amide (60).
- DIC diisopropylcarbodiimi
- Aniline (59) can react with an isocyanate or isothiocyanate in an inert organic solvent such as methylene chloride or tetrahydrofuran at room temperature to give urea (61) and thiourea (62) respectively.
- the aniline (59) can also be treated with a thioimidate in a polar solvent such as methanol or ethanol or DMF at a temperature of 20 to 80 ° C for 2 to 24 hours to yield amidine ( 63).
- Step 1 3,5-di-tert-butyl-N l - [3- (4-nitrophenyl) propanoyl] benzohydrazide
- Step 2 2- (3,5-Di-tert-Butylphenyl) -5- [2- (4-nitrophenyl) ethyl] -1,3,4-thiadiazole
- Step 3 (4- ⁇ 2- [5- (3,5-di-tert-butylphenyl) -1,3,4-thiadiazol-2-yl] ethyl ⁇ phenyl) amine
- Step 4 N- (4- ⁇ 2- [5- (3,5-di-tert-butylphenyl) -l, 3,4-thiadiazol-2-yl] ethyl ⁇ phenyl) -N I - propylurea
- the hydrazide (24) (prepared by treatment of the corresponding ester (23) with hydrazine in a polar solvent such as methanol or ethanol at room temperature for 5 to 24 hours) can be coupled to an isothiocyanate (26) (prepared by treatment of the corresponding amine (25) with thiophosgene in an inert solvent such as dichloromethane or tetrahydrofuran at a temperature of 0 ° C for 0.2 h to 2 hours) in a solvent polar such as methanol, ethanol, dimethylacetamide, in the presence or absence of an organic acid such as acetic or inorganic acid such as phosphoric acid at a temperature of 70 to 120 ° C for 2 to 24 hours or alternately heated in a microwave oven at a temperature of 100 to 120 ° C (Biotage ® equipment), in a sealed tube, for 10 to 45 minutes, to yield the amino-thiadiazole (64).
- a solvent polar such as methanol, ethanol, dimethyl
- the nitro function of the compound (64) is reduced by treatment with tin chloride dihydrate in an inert solvent such as that ethyl acetate or dimethylformamide at a temperature of 60-80 ° C for 3 to 15 hours or heated under microwave at a temperature of 100 to 120 ° C for 15 to 30 minutes, or alternatively by hydrogenation catalytic in the presence of 10% palladium on carbon in an inert solvent such as ethyl acetate, at a temperature of 18-25 ° C, for 2 to 8 hours to yield aniline (65).
- an inert solvent such as that ethyl acetate or dimethylformamide
- heated under microwave at a temperature of 100 to 120 ° C for 15 to 30 minutes
- hydrogenation catalytic in the presence of 10% palladium on carbon in an inert solvent such as ethyl acetate, at a temperature of 18-25 ° C, for 2 to 8 hours to yield aniline (65).
- the aniline (65) may then be coupled to an acid chloride in the presence of a tertiary base such as triethylamine or diisopropylethylamine at a temperature in the region of 0 ° C. to 25 ° C. for 30 minutes to 3 hours.
- a tertiary base such as triethylamine or diisopropylethylamine
- a coupling agent such as diisopropylcarbodiimide (DIC), dicyclohexylcarbodiimide (DCC), 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride (EDC) or carbonyldiimidazole ( CDI), with or without 1-hydroxybenzotriazole (HOBt), or with the Mukayiama reagent (2-chloro-1-methyl-pyridinium chloride) in the presence of a tertiary base such as triethylamine or diisopropylethylamine, in an inert organic solvent such as methylene chloride, tetrahydrofuran or dimethylformamide at room temperature for 3 to 24 hours or alternatively heated in a microwave at a temperature of 80 to 120 ° C (Biotage ® equipment), in a sealed tube for 10 to 30 minutes to give the corresponding amide (66).
- DIC diisopropylcarbodiimi
- Aniline (65) can react with an isocyanate or an isothiocyanate in an inert organic solvent such as methylene chloride or tetrahydrofuran at room temperature to yield urea (67) and thiourea (68), respectively.
- Aniline (65) can also be treated with a thioimidate in a polar solvent such as methanol or ethanol or DMF at a temperature of 20 to 80 ° C for 2 to 24 hours to yield amidine ( 69).
- urea (70) prepared from the corresponding amine (25) by treatment with urea in aqueous hydrochloric acid at a temperature of 20-110 ° C for 2 min. at 24 hours
- a protic solvent such as water
- an acid such as hydrochloric acid at a temperature of 20 to 110 ° C. for 3 to 24 hours or alternately heated under microwave at a temperature of 120 ° C to 150 ° C (Biotage ® equipment), in a sealed tube, for 10 to 45 minutes, to yield amino-oxazole (71).
- the nitro function of the compound (71) is reduced by treatment with tin chloride dihydrate in an inert solvent such as ethyl acetate or dimethylformamide at a temperature of 60-80 ° C for 3 to 15 hours or heated under microwaves at a temperature of 100 to 120 ° C for 15 to 30 minutes, or alternatively by catalytic hydrogenation in the presence of 10% palladium on carbon in an inert solvent such as ethyl acetate, at a temperature of 18-25 ° C, for 2 to 8 hours to conduct with aniline (72).
- an inert solvent such as ethyl acetate or dimethylformamide
- the aniline (72) may then be coupled to an acid chloride in the presence of a tertiary base such as triethylamine or diisopropylethylamine at a temperature in the region of 0 ° C. to 25 ° C. for 30 minutes to 3 hours.
- a tertiary base such as triethylamine or diisopropylethylamine
- a coupling agent such as diisopropylcarbodiimide (DIC), dicyclohexylcarbodiimide (DCC), 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride (EDC) or carbonyldiimidazole ( CDI), with or without 1-hydroxybenzotriazole (HOBt), or with the Mukayiama reagent (2-chloro-1-methyl-pyridinium chloride) in the presence of a tertiary base such as triethylamine or diisopropylethylamine, in an inert organic solvent such as methylene chloride, tetrahydrofuran or dimethylformamide at room temperature for 3 to 24 hours or alternatively heated under microwaves at a temperature of 80 to 120 ° C (Biotage ® equipment), in a sealed tube, p 10 to 30 minutes, to give the corresponding amide (73).
- DIC diisopropylcarbod
- Aniline (72) can react with an isocyanate or isothiocyanate in an inert organic solvent such as methylene chloride or tetrahydrofuran at room temperature to give urea (74) and thiourea (75) respectively.
- Aniline (72) can also be treated with a thioimidate in a polar solvent such as methanol or ethanol or DMF at a temperature of 20 to 80 ° C for 2 to 24 hours to yield amidine ( 76).
- the aniline (77) may be reacted with a sulfonyl chloride in an aprotic organic solvent such as dichloromethane or THF in the presence of a tertiary base such as triethylamine at a temperature of 0 to 60 ° C for 1 to 24 hours to give the corresponding sulfonamide (78).
- a sulfonyl chloride in an aprotic organic solvent such as dichloromethane or THF in the presence of a tertiary base such as triethylamine at a temperature of 0 to 60 ° C for 1 to 24 hours to give the corresponding sulfonamide (78).
- a sulfonyl chloride in an aprotic organic solvent such as dichloromethane or THF
- a tertiary base such as triethylamine
- R 1 represents one of the following radicals:
- the aniline of the general formula (II) can react with a bromine or iodine derivative, in the presence of an organic or inorganic base, at a temperature of 18 to 150 ° C to give the alkylated aniline (79).
- the aniline (79) may then be coupled to an acid chloride in the presence of a tertiary base such as triethylamine or diisopropylethylamine at a temperature in the region of 0 ° C. to 25 ° C. for 30 minutes to 3 hours.
- a tertiary base such as triethylamine or diisopropylethylamine
- a coupling agent such as diisopropylcarbodiimide (DIC), dicyclohexylcarbodiimide (DCC), 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride (EDC) or carbonyldiimidazole ( CDI), with or without 1-hydroxybenzotriazole (HOBt), or with the Mukayiama reagent (2-chloro-1-methyl-pyridinium chloride) in the presence of a tertiary base such as triethylamine or diisopropylethylamine, in an inert organic solvent such as methylene chloride, tetrahydrofuran or dimethylformamide at room temperature for 3 to 24 hours or alternatively heated in a microwave at a temperature of 80 to 120 ° C (Biotage ® equipment), in a sealed tube, for 10 to 30 minutes, to give the corresponding amide (80).
- DIC diisopropylcarbod
- Aniline (79) can react with an isocyanate or isothiocyanate in a solvent inert organic such as methylene chloride or tetrahydrofuran at room temperature to give respectively urea (81) and thiourea (82).
- the aniline (79) can also be reacted with a sulphonyl chloride in an aprotic organic solvent such as dichloromethane or THF, in the presence of a tertiary base such as triethylamine, at a temperature of 0 to 60 ° C. for 1 to 24 hours to give the corresponding sulfonamide (83).
- the subject of the invention is also a process for preparing a compound of formula (I) as defined above and in which R 1 represents the radical -NH-C (O) -R'i, characterized in that the aniline of formula (II)
- the subject of the invention is also a process for preparing a compound of formula (I) as defined above and in which R 1 represents the radical -NH-C (Z) -NHR 'i, characterized in that the aniline of formula (II) is reacted
- the subject of the invention is also a process for preparing a compound of formula (I) as defined above and in which R 1 represents the radical -NH-S (O) 2 -R'i, characterized in that that the aniline of formula (II) is reacted
- the compounds of the present invention possess valuable pharmacological properties.
- the compounds of the present invention have good affinity for certain cannabinoid receptor subtypes, particularly CB2 receptors. They are particularly useful for treating disease states and diseases in which one or more cannabinoid receptors are involved.
- the compounds of the present invention can thus be used in various therapeutic applications. They can advantageously be used for the treatment and prevention of disease states and diseases associated with the activity of cannabinoid receptors such as cell proliferation disorders such as cancer, immune disorders, inflammation, pain, osteoporosis, atherosclerosis, epilepsy, nausea associated with chemotherapy treatments, fibrosis, gastrointestinal disorders, neurodegenerative diseases including multiple sclerosis and dyskinesia, Parkinson's disease, Huntington's disease, Alzheimer's disease . They can also be used to prevent or cure diseases associated with motor function such as Tourette's syndrome, or to provide neuroprotection.
- the compounds of the present invention may be administered alone or in combination with other agents related to the treatment of the symptoms or cause of the disease or condition as mentioned above. In the experimental section, an illustration of the pharmacological properties of the compounds of the invention is given below.
- the present application also relates to pharmaceutical compositions containing, as active ingredient, at least one product of formula I as defined above, or an addition salt with pharmaceutically acceptable mineral or organic acids of said product of formula I, in combination with a pharmaceutically acceptable carrier.
- the present application also relates to the use of the compounds according to the present invention, for the preparation of a medicament for the treatment of cell proliferation disorders and preferably for the treatment of cancer.
- the present application also relates to the use of the compounds according to the present invention, for the preparation of a medicament for the treatment of immune disorders, inflammation, pain, osteoporosis, fibrosis, gastrointestinal disorders, neurodegenerative diseases including multiple sclerosis and dyskinesia, Parkinson's disease.
- the pharmaceutical composition may be in the form of a solid, for example, powders, granules, tablets, capsules or suppositories.
- Suitable solid carriers may be, for example, calcium phosphate, magnesium stearate, talc, sugars, lactose, dextrin, starch, gelatin, cellulose, methyl cellulose, carboxymethyl cellulose sodium, polyvinylpyrrolidine and wax.
- compositions containing a compound of the invention may also be in liquid form, for example, solutions, emulsions, suspensions or syrups.
- suitable liquid carriers may be, for example, water, organic solvents such as glycerol or glycols, as well as mixtures thereof, in varying proportions, in water, added to pharmaceutically acceptable oils or fats.
- Sterile liquid compositions may be used for intramuscular, intraperitoneal or subcutaneous injections and sterile compositions may also be administered intravenously.
- the compounds are characterized by their retention time (tr) and their molecular peak determined by mass spectrometry (MH +).
- a Waters system including an in-line degasser, a Waters 600 quaternary pump, a Gilson 233 plate injector and a Waters PAD 996 UV detector is used.
- the affinity of the compounds of the present invention for the different cannabinoid receptor subtypes was measured according to procedures analogous to those described hereinafter for the human CB2 receptor.
- the affinity of the compounds of the invention for CB2 human receptors is determined by measuring the inhibition of [ 3 H] -CP55940 binding to membrane preparations of transfected CHO-K1 cells.
- CHO-K1 cells stably expressing human CB2 receptors are cultured in RPMI 1640 medium containing 10% fetal calf serum, 2 mM glutamine, 100 U / ml penicillin, 0.1 mg / ml streptomycin and 0.5 mg / ml G418.
- the cells are collected with 0.5 mM EDTA and centrifuged at 500 g for 5 min at 4 ° C.
- the pellet is resuspended in phosphate buffered saline (PBS) and centrifuged at 500 g for 5 min at 4 ° C.
- PBS phosphate buffered saline
- the pellet is resuspended in a 50 mM Tris buffer medium at pH 7.4 and centrifuged at 500 g for 5 min at 4 ° C.
- the cells are lysed by sonication and centrifuged at 39,000 g for 10 min. at 4 ° C.
- the pellet is resuspended in 50 mM Tris buffer medium at pH 7.4 and centrifuged at 50,000 g for 10 min at 4 ° C.
- the membranes obtained in this latter pellet are stored at -80 ° C. vs.
- the measurement of competitive inhibition of [ 3 H] -CP55940 binding to CB2 receptors is performed in duplicate using 96-well polypropylene plates.
- the cell membranes (10 ⁇ g protein / well) are incubated with [ 3 H] -CP55940 (1 nM) for 60 min at 25 ° C. in a 50 mM Tris-HCl buffer medium, pH 7.4, comprising 0, 1% bovine serum albumin (BSA), 5 mM MgCl 2 , and 50 ⁇ g / ml bacitracin.
- BSA bovine serum albumin
- the bound [ 3 H] -CP55940 is separated from free [ 3 H] -CP55940 by filtration through GF / C fiberglass filter plates (Unifilter, Packard) preimpregnated with 0.1% polyethylenimine (PEI). ), using a Filtermate 196 (Packard).
- the filters are washed with 50 mM Tris-HCl buffer, pH 7.4 at 0-4 ° C and the radioactivity present is determined using a counter (Packard Top Count).
- the specific binding is obtained by subtracting the non-specific binding (determined in the presence of 0.1 ⁇ M of WIN55212-2 from the total binding).
- the data are analyzed by computer-assisted nonlinear regression (MDL). For each test, a Cheng-Prusoff correction is made to convert the IC50 to a constant of inhibition Ki.
- [L] is the concentration of radioligand used in the assay and Kd is the radioligand dissociation constant at equilibrium.
- the CB2 receptor agonist or antagonist activity of the compounds of the present invention was determined by measuring the cyclic AMP production by CHO-K1 cells transfected with the CB2 receptor.
- CHO-K1 cells expressing cannabinoid CB2 receptors are cultured in 384-well plates in RPMI 1640 medium with 10% fetal calf serum and 0.5 mg / ml G418. The cells are washed twice with 50 ⁇ l of RPMI medium comprising 0.2% BSA and 0.5 ⁇ M 3-isobutyl-1-methylxanthine (IBMX).
- IBMX 3-isobutyl-1-methylxanthine
- the cells are incubated for 5 min at 37 ° C. in the presence of 0.5 mM of IBMX, then the stimulation of cyclic AMP production is obtained by adding 5 ⁇ M of Forskolin and inhibition is measured by adding the compound at concentrations of between 1 ⁇ M and 10 ⁇ M in duplicate for 20 min at 37 ° C.
- the antagonistic effect of a compound is measured by inhibiting the inhibition of the production of Cyclic AMP induced by WIN55212-2 in the presence of 5 ⁇ M Forskolin, at concentrations of between 1 ⁇ M and 10 ⁇ M, in the presence of the test compound, at concentrations of between 1 nM and 10 ⁇ M, in duplicate for 20 min at 37 ° C.
- the reaction medium is removed and 80 .mu.l of lysis buffer are added.
- the level of intracellular cyclic AMP is measured by a competition test with fluorescent cyclic AMP (CatchPoint, Molecular Devices).
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- Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
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Abstract
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Application Number | Priority Date | Filing Date | Title |
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FR0609436A FR2907784B1 (fr) | 2006-10-27 | 2006-10-27 | Derives phenyliques et leur utilisation comme medicament |
PCT/FR2007/001776 WO2008059128A1 (fr) | 2006-10-27 | 2007-10-26 | Derives phenyliques et leur utilisation comme medicament |
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EP2102162A1 true EP2102162A1 (fr) | 2009-09-23 |
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EP07866449A Withdrawn EP2102162A1 (fr) | 2006-10-27 | 2007-10-26 | Derives phenyliques et leur utilisation comme medicament |
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US (1) | US20100056507A1 (fr) |
EP (1) | EP2102162A1 (fr) |
JP (1) | JP2010507636A (fr) |
FR (1) | FR2907784B1 (fr) |
WO (1) | WO2008059128A1 (fr) |
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CN109206381B (zh) * | 2018-09-06 | 2021-10-08 | 珠海润都制药股份有限公司 | 一种调节大麻素受体活动的化合物中间体的制备方法 |
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SE0101387D0 (sv) * | 2001-04-20 | 2001-04-20 | Astrazeneca Ab | Novel compounds |
US7071213B2 (en) * | 2001-11-14 | 2006-07-04 | Schering Corporation | Cannabinoid receptor ligands |
GB0222495D0 (en) * | 2002-09-27 | 2002-11-06 | Glaxo Group Ltd | Compounds |
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2006
- 2006-10-27 FR FR0609436A patent/FR2907784B1/fr not_active Expired - Fee Related
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2007
- 2007-10-26 JP JP2009533903A patent/JP2010507636A/ja active Pending
- 2007-10-26 WO PCT/FR2007/001776 patent/WO2008059128A1/fr active Application Filing
- 2007-10-26 EP EP07866449A patent/EP2102162A1/fr not_active Withdrawn
- 2007-10-26 US US12/447,437 patent/US20100056507A1/en not_active Abandoned
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FR2907784B1 (fr) | 2009-02-13 |
US20100056507A1 (en) | 2010-03-04 |
FR2907784A1 (fr) | 2008-05-02 |
WO2008059128A1 (fr) | 2008-05-22 |
JP2010507636A (ja) | 2010-03-11 |
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