WO2009036766A1 - Cyanoisoquinoline - Google Patents
Cyanoisoquinoline Download PDFInfo
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- WO2009036766A1 WO2009036766A1 PCT/DK2008/050225 DK2008050225W WO2009036766A1 WO 2009036766 A1 WO2009036766 A1 WO 2009036766A1 DK 2008050225 W DK2008050225 W DK 2008050225W WO 2009036766 A1 WO2009036766 A1 WO 2009036766A1
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- dimethoxy
- isoquinoline
- carbonitrile
- piperazin
- phenyl
- Prior art date
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- 0 *c1cc2c(N(CC*3)CC3c3c(*)c(*)c(*)c(*)c3*)ncc(C#N)c2cc1O Chemical compound *c1cc2c(N(CC*3)CC3c3c(*)c(*)c(*)c(*)c3*)ncc(C#N)c2cc1O 0.000 description 3
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
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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
- A61P25/14—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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/20—Hypnotics; Sedatives
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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
- A61P25/22—Anxiolytics
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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
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/30—Drugs for disorders of the nervous system for treating abuse or dependence
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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
- A61P25/30—Drugs for disorders of the nervous system for treating abuse or dependence
- A61P25/32—Alcohol-abuse
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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
- A61P25/30—Drugs for disorders of the nervous system for treating abuse or dependence
- A61P25/36—Opioid-abuse
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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
- C07D413/04—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 directly linked by a ring-member-to-ring-member bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
- C07D417/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
Definitions
- the present invention provides for compounds that are PDE10A enzyme inhibitors, and as such are useful to treat associated neurodegenerative and psychiatric disorders. Especially, the invention provides compounds that have preference for PDE10 over PDE3. The present invention also provides for pharmaceutical compositions and methods of treating said disorders using the compounds of the invention.
- cyclic nucleotides cyclic-adenosine monophosphate (cAMP) and cyclic-guanosine monophosphate (cGMP) function as intracellular second messengers regulating a vast array of processes in neurons.
- Intracellular cAMP and cGMP are generated by adenyl and guanyl cyclases, and are degraded by cyclic nucleotide phosphodiesterases (PDEs).
- lntracelluar levels of cAMP and cGMP are controlled by intracellular signaling, and stimulation/repression of adenyl and guanyl cyclases in response to GPCR activation is a well characterized way of controlling cyclic nucleotide concentrations (Antoni, F.A. Front. Neuroendocrinal. 2000, 21 (2), 103-132). In neurons, this includes the activation of cAMP and cGMP dependent kinases and subsequent phosphorylation of proteins involved in acute regulation of synaptic transmission as well as in neuronal differentiation and survival.
- PDEs are a class of intracellular enzymes that regulate levels of cAMP and cGMP via hydrolysis of the cyclic nucleotide into their respective nucleotide monophosphates. Some PDEs degrade cAMP, some cGMP and some both. Most PDEs have a relatively widespread expression and have roles in many tissues, while some are more spatially restricted.
- Phosphodieasterase 1OA is a dual specificity phosphodiesterase that can convert both cAMP to AMP and cGMP to GMP (Loughney, K. et al. Gene 1999, 234, 109- 1 17; Fujishige, K. et al. Eur. J. Biochem. 1999, 266, 1 118-1 127 and Soderling, S. et al. Proc. Natl. Acad. Sci. 1999, 96, 7071 -7076). PDE10A is primarily expressed in the neurons in the striatum, n. accumbens and in the olfactory tubercle (Kotera, J. et al. Biochem. Biophys. Res. Comm. 1999, 261 , 551 -557 and Seeger, T. F. et al. Brain Research, 2003, 985, 1 13-126).
- Mouse PDE10A is the first member of the PDE10 family of phosphodiesterases (Fujishige, K. et al. J. Biol. Chem. 1999, 274, 18438-18445 and Loughney, K. et al. Gene 1999, 234, 109-1 17) and N-terminal splice variants of both the rat and human genes have been identified (Kotera, J. et al. Biochem. Biophys. Res. Comm. 1999, 261 , 551-557 and Fujishige, K. et al. Eur. J. Biochem. 1999, 266, 1 118-1127). There is a high degree of homology across species. PDE10A is uniquely localized in mammals relative to other PDE families.
- mRNA for PDE10 is highly expressed in testis and brain (Fujishige, K. et al. Eur J Biochem. 1999, 266, 1 118-1 127; Soderling, S. et al. Proc. Natl. Acad. Sci. 1999, 96, 7071 -7076 and Loughney, K. et al. Gene 1999, 234,109-1 17). These studies indicate that within the brain, PDE10 expression is highest in the striatum (caudate and putamen), n. accumbens and olfactory tubercle. More recently, an analysis has been made of the expression pattern in rodent brain of PDE10A mRNA (Seeger, T. F. et al. Abst. Soc.
- MSN medium spiny neurons
- D 1 class expressing D 1 dopamine receptors and the D 2 class expressing D 2 dopamine receptors.
- the D 1 class of neurons is part of the 'direct' striatal output pathway, which broadly functions to facilitate behavioral responses.
- the D 2 class of neurons is part of the 'indirect' striatal output pathway, which functions to suppress behavioral responses that compete with those being facilitated by the 'direct' pathway. These competing pathways act like the brake and accelerator in a car.
- the poverty of movement in Parkinson's disease results from over-activity of the 'indirect' pathway, whereas excess movement in disorders such as Huntington's disease represent over-activity of the direct pathway.
- PDE10A regulation of cAMP and/or cGMP signaling in the dendritic compartment of these neurons may be involved in filtering the cortico/thalamic input into the MSN.
- PDE10A may be involved in the regulation of GABA release in the substantia nigra and globus pallidus (Seeger, T.F. et al. Brain Research, 2003, 985, 1 13-126).
- Dopamine D 2 receptor antagonism is well established in the treatment of schizophrenia. Since the 1950's, dopamine D 2 receptor antagonism has been the mainstay in psychosis treatment and all effective antipsychotic drugs antagonise D 2 receptors. The effects of D 2 are likely to be mediated primarily through neurons in the striatum, n. accumbens and olfactory tubercle, since these areas receive the densest dopaminergic projections and have the strongest expression of D 2 receptors (Konradi, C. and Heckers, S. Society of Biological Psychiatry, 2001 , 50, 729-742).
- Dopamine D 2 receptor agonism leads to decrease in cAMP levels in the cells where it is expressed through adenylate cyclase inhibition, and this is a component of D 2 signalling (Stoof, J. C. and Kebabian J.W. Nature 1981 , 294, 366-368 and Neve, K.A. at al. Journal of Receptors and Signal Transduction 2004, 24(3), 165-205).
- D 2 receptor antagonism effectively increases cAMP levels, and this effect could be mimicked by inhibition of cAMP degrading phosphodiesterases.
- PDE10A in this context, has the desired expression profile with high and relatively specific expression in neurons in striatum, n. accumbens and olfactory tubercle, PDE10A inhibition is likely to have effects similar to D 2 receptor antagonism and therefore have antipsychotic effects.
- PDE10A inhibition is expected to mimic D 2 receptor antagonism in part, it might be expected to have a different profile.
- the D 2 receptor has signalling components besides cAMP (Neve, K.A. et al. Journal of Receptors and Signal Transduction 2004, 24(3), 165- 205), wherefore interference with cAMP through PDE10A inhibition may negatively modulate rather than directly antagonise dopamine signaling through D 2 receptors. This may reduce the risk of the extrapyrimidal side effects that are seen with strong D 2 antagonism.
- PDE10A inhibition may have some effects not seen with D 2 receptor antagonism.
- PDE10A is also expressed in D 1 receptors expressing striatal neurons (Seeger, T.F.
- D 1 receptor agonism leads to stimulation of adenylate cyclase and resulting increase in cAMP levels
- PDE10A inhibition is likely to also have effects that mimic D 1 receptor agonism.
- PDE10A inhibition will not only increase cAMP in cells, but might also be expected to increase cGMP levels, since PDE10A is a dual specificity phosphodiesterase.
- cGMP activates a number of target protein in cells like cAMP and also interacts with the cAMP signalling pathways.
- PDE10A inhibition is likely to mimic D 2 receptor antagonism in part and therefore has antipsychotic effect, but the profile might differ from that observed with classical D 2 receptor antagonists.
- the PDE10A inhibitor papaverin is shown to be active in several antipsychotic models. Papaverin potentiated the cataleptic effect of the D 2 receptor antagonist haloperidol in rats, but did not cause catalepsy on its own (WO 03/093499). Papaverin reduced hyperactivity in rats induced by PCP, while reduction of amphetamine induced hyperactivity was insignificant (WO 03/093499). These models suggest that PDE10A inhibition has the classic antipsychotic potential that would be expected from theoretical considerations. WO 03/093499 further discloses the use of selective PDE10 inhibitors for the treatment of associated neurologic and psychiatric disorders.
- PDE10A inhibition reverses subchronic PCP-induced deficits in attentional set-shifting in rats (Rodefer, et al. Eur. J. Neurosci. 2005, 4, 1070-1076). This model suggests that PDE10A inhibition might alleviate cognitive deficits associated with schizophrenia.
- signal enhancement via elevation of cAMP and cGMP can be induced through the administration of PDE10A inhibitors to treat associated neurological and psychiatric disorders.
- the PDE10A inhibitors of the present invention are expected to serve as therapies for the treatment of associated neurological and psychiatric disorders and may have the benefit of not possessing unwanted side effects, which are associated with the current therapies on the market.
- EP 1250923 discloses the use of selective PDE10 inhibitors in general, and papaverine in particular, for the treatment of certain neurologic and psychiatric disorders.
- WO 05/1 13517 discloses benzodiazepine stereospecific compounds as inhibitors of phosphodiesterase, especially types 2 and 4, and the prevention and treatment of pathologies involving a central and/or peripheral disorder.
- WO 02/88096 discloses benzodiazepine derivatives and their uses as inhibitors of phosphodiesterase, especially type 4 in the therapeutic field.
- WO 04/41258 discloses benzodiazepinone derivatives and their uses as inhibitors of phosphodiesterase, especially type 2 in the therapeutic field.
- Pyrrolodihydroisoquinolines and variants thereof are disclosed as inhibitors of PDE10 in WO 05/03129 and WO 05/02579.
- Piperidinyl-substituted quinazolines and isoquinolines that serve as PDE10 inhibitors are disclosed in WO 05/82883.
- WO 06/1 1040 discloses substituted quinazoline and isoquinoline compounds that serve as inhibitors of PDE10.
- US20050182079 discloses substituted tetrahydroisoquinolinyl derivatives of quinazoline and isoquinoline that serve as effective phosphodiesterase (PDE) inhibitors.
- PDE phosphodiesterase
- US20050182079 relates to said compounds, which are selective inhibitors of PDE-10.
- US20060019975 discloses piperidine derivatives of quinazoline and isoquinoline that serve as effective phosphodiesterase (PDE) inhibitors.
- US20060019975 also relates to compounds that are
- WO 06/028957 discloses cinnoline derivatives as inhibitors of phosphodiesterase type 10 for the treatment of psychiatric and neurological syndromes.
- PDE3 The Phosphodiesterase 3 (PDE3) family consists of two genes PDE3A and PDE3B. They encode enzymes that can hydrolyse cAMP and cGMP to AMP and GMP, respectively.
- PDE3A is relatively highly expressed in platelets, vascular smooth muscle, cardiac myocytes, and oocytes.
- PDE3B is a major PDE in adipose tissue, liver, pancreas, as well as in cardiovascular tissues.
- PDE3 inhibitors have been approved for treatment of congestive heart failure. However, while they are beneficial in acute treatment, chronic treatment with PDE3 inhibitors resulted in a significant increase in mortality (Matthew A. Movsesian, Journal of Cardiac Failure Vol. 9 No. 6, 2003, 475-480).
- the objective of the present invention is to provide compounds that are PDE 10A enzyme inhibitors without affecting the inhibition of PDE3.
- a further objective of the present invention is to provide compounds with such activities which have improved solubility, metabolic stability and/or bioavailability compared to prior art compounds.
- Another objective of the invention is to provide an effective treatment, in particular long- term treatment, of a human patient, without causing the side effects typically associated with current therapies for neurologic and psychiatric disorders.
- the present invention relates to compounds of formula I:
- Q is selected from NH, O or S
- Ri and R 2 are independently d-C 4 alkyl
- R 3 , R 4 , R 5 , R 6 and R 7 are independently selected from: o H, (C 1 -C 6 ) alkyl, (C 1 -C 6 ) alkoxy, halogen, halo(Ci-C 6 )alkyl, (C 1 -
- R 8 and Rg are independently selected from hydrogen, C 1 -C 6 alkyl, halo(CrC 6 )alkyl, (C 3 -C 8 )cycloalkyl, heterocycloalkyl;
- n 1 or 2 and Z is oxygen or NR 10 , wherein R 10 is hydrogen or (C 1 -C 6 ) alkyl, or o a ketone, sulfone, ester, amide, sulfonic ester or sulfonamide, selected from
- Y is hydrogen or (Ci-C ⁇ ) alkyl and X is a selected from:
- R 11 and R 12 are independently selected from hydrogen, C 1 -C 6 alkyl, halo(CrC 6 )alkyl, (C 3 -C 8 )cycloalkyl, heterocycloalkyl, or
- the invention relates to compounds of formula I in the form of a single enantiomer, a single diastereomer, a mixture of enantiomers, a mixture of diastereomers, or a polymorph.
- the compound is selected from one of the specific compounds disclosed in the Experimental Section.
- the invention provides a compound of formula I, or a pharmaceutically acceptable acid addition salt thereof, for use as a medicament.
- the present invention provides a pharmaceutical composition
- a pharmaceutical composition comprising a therapeutically effective amount of a compound of formula I and a pharmaceutically acceptable carrier or diluent.
- the invention further provides the use of a compound of formula I, or a pharmaceutically acceptable acid addition salt thereof, for the preparation of a medicament for the treatment of neurodegenerative or psychiatric disorders.
- the present invention provides a method of treating a subject suffering from a neurodegenerative disorder comprising administering to the subject a therapeutically effective amount of a compound of formula I.
- the present invention provides a method of treating a subject suffering from a psychiatric disorder comprising administering to the subject a therapeutically effective amount of a compound of formula I.
- the present invention provides a method of treating a subject suffering from a drug addiction such as an alcohol, amphetamine, cocaine, or opiate addiction.
- halo and “halogen” are used interchangeably and refer to fluorine, chlorine, bromine or iodine.
- CrC 6 alkyl refers to a straight chained or branched saturated hydrocarbon having from one to six carbon atoms inclusive. Examples of such groups include, but are not limited to, methyl, 2-propyl, 1 -butyl, 2-butyl, 2-methyl-2-propyl, 2- methyl-1 -butyl and n-hexyl.
- C 1 -C 4 alkyl refers to a straight chained or branched saturated hydrocarbon having from one to four carbon atoms inclusive.
- CrC ⁇ hydroxyalkyl refers to a Ci-C ⁇ alkyl group as defined above, which is substituted with one hydroxy group.
- halo(Ci-C 6 )alkyl refers to a CrC 6 alkyl group as defined above, which is substituted with up to three halogen atoms.
- CrC 6 alkoxy refers to a straight chain or branched saturated alkoxy group having from one to six carbon atoms inclusive with the open valency on the oxygen. Examples of such groups include, but are not limited to, methoxy, ethoxy, n-butoxy, 2- methyl-pentoxy and n-hexyloxy.
- halo(Ci-C 6 )alkoxy refers to a CrC 6 alkoxy group as defined above, which is substituted with up to three halogen atoms.
- CrC 6 alkoxy(Ci-C 6 )alkyl refers to a CrC 6 alkyl group as defined above, which is substituted with a CrC 6 alkoxy group as defined above.
- C 3 -C 8 cycloalkyl typically refers to cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl and cyclooctyl.
- C 3 -C 8 hydroxycycloalkyl refers to C 3 -Cs cycloalkyl as defined above, which is substituted with one hydroxy group.
- Ci-C ⁇ alkoxy(C 3 -C8)cycloalkyl refers to a C 3 -Cs cycloalkyl as defined above, which is substituted with a straight chained or branched CrC ⁇ alkoxy.
- C 3 -Cs cycloalkoxy typically refers to cyclopropyloxy, cyclobutyloxy, cyclopentyloxy, cyclohexyloxy, cycloheptoxy and cyclooctoxy in which the open valency is on the oxygen atom.
- heterocycloalkyl refers to a four to eight membered ring containing carbon atoms and up to three N, O or S atoms provided that the four to eight membered ring does not contain adjacent O or adjacent S atoms.
- the open valency is on either the heteroatom or carbon atom. Examples of such groups include, but are not limited to, azetidinyl, oxetanyl, piperazinyl, morpholinyl, thiomorpholinyl and [1 ,4]diazepanyl.
- hydroxyheterocycloalkyl refers to a heterocycloalkyl as defined above, which is substituted with one hydroxy group.
- CrC 6 alkoxy-heterocycloalkyl refers to a heterocycloalkyl as defined above, which is substituted with a CrC 6 alkoxy group.
- Formula I defines the compounds of the present invention by the ring variable Q, and by the substituents Ri, R 2 , R3, R 4 , R5, Rs and R 7 .
- R 1 and R 2 are independently Ci-C 2 alkyl, such as methyl.
- R1 and R 2 are both methyl
- R 3 is selected from hydrogen, (CrC 6 ) alkoxy or halogen, such as hydrogen, methoxy, chlorine and bromine; or a carboxamide or sulfonamide selected from:
- R 3 is hydrogen
- R 4 is selected from hydrogen, (CrC 6 ) alkoxy, halogen or nitro such as hydrogen, methoxy, chlorine, bromine and nitro, or a carboxamide or sulfonamide selected from:
- R 4 is hydrogen or methoxy.
- R 5 is selected from: o H, (CrC 6 ) alkyl, (CrC 6 ) alkoxy, halogen, halo(Ci-C 6 )alkyl, nitro or o an amino group -NR 8 Rg, where R 8 and Rg are independently selected from hydrogen, CrC 6 alkyl, halo(CrC 6 )alkyl, (C 3 -C 8 )cycloalkyl, heterocycloalkyl, or o a 6-7-membered aliphatic heterocycle:
- n 1 or 2 and Z is oxygen or NR 10 , wherein R 10 is hydrogen or (CrC 6 ) alkyl, or a carboxamide or sulfonamide selected from:
- R 5 is hydrogen, methyl, dimethylamino, methoxy fluorine, chlorine or trifluoromethyl.
- R 6 is selected from hydrogen, (CrC 6 ) alkoxy, halogen or nitro such as hydrogen, methoxy, chlorine, bromine and nitro, or a carboxamide or sulfonamide selected from: O
- R 6 is hydrogen or methoxy.
- R 7 is selected from hydrogen, (Ci-Cs) alkoxy or halogen, such as hydrogen, methoxy, chlorine and bromine; or a carboxamide or sulfonamide selected from:
- R 7 is hydrogen
- two adjacent substituents selected from R 3 , R 4 , R 5 , R 6 and R 7 may, together with the aromatic ring they are attached to, form a 5-7 membered, saturated or unsaturated ring, optionally containing one or two heteroatoms selected from N, O or S, such as a five-membered ring containing two oxygen atoms, or a six-membered ring containing only carbon atoms.
- R3, R 4 , R 5 , R 6 and R 7 are H.
- R 3 , R 4 , R 5 , R 6 and R 7 are H.
- R 4 R 5 or R 6 are electron-donating substituents such as (CrC 6 ) alkoxy, (CrC 6 ) alkyl or -NR 8 R 9 , where R 8 and R 9 are independently selected from hydrogen, CrC 6 alkyl, halo(Ci-C 6 )alkyl, (C 3 -C 8 )cycloalkyl, heterocycloalkyl, such as methoxy, methyl, ethyl , dimethylamino and morpholino.
- substituents such as (CrC 6 ) alkoxy, (CrC 6 ) alkyl or -NR 8 R 9 , where R 8 and R 9 are independently selected from hydrogen, CrC 6 alkyl, halo(Ci-C 6 )alkyl, (C 3 -C 8 )cycloalkyl, heterocycloalkyl, such as methoxy, methyl, ethyl , dimethylamino and morpholino.
- two adjacent substituents selected from R 3 , R 4 , R 5 , R 6 and R 7 may, together with the aromatic ring they are attached to, form a 5 membered, saturated ring containing two oxygen atoms:
- two adjacent substituents selected from R 3 , R 4 , R 5 , R 6 and R 7 may, together with the aromatic ring they are attached to, form a 6 membered aromatic ring:
- Another aspect of the present invention is a process for the preparation of the compounds of Formula I comprising reacting a compound of Formula II:
- L is a leaving group selected from Cl, Br, I, OSO 2 CF 3 , and Ri and R 2 are as defined above; with a compound of Formula III:
- the solvent used for the preparation of the compounds of Formula I is toluene or mixtures of toluene with a protic solvent such as 2- propanol, preferably a 1 :1 mixture of toluene and 2-propanol.
- the base used for the preparation of the compounds of Formula I is potassium carbonate.
- the preferred reaction temperature used for the preparation of the compounds of Formula I is 180 0 C.
- the process for the preparation of the compounds of Formula I comprising reacting a compound of Formula Il with a compound of Formula III in the presence of an alkoxide base, such as sodium tert-butoxide, and a palladium catalyst prepared in situ by mixing a palladium (II) source such as Pd(OAc)2 or Pd2(dba)3 with a bisphosphine ligand such as BINAP (Ae. 2,2'-bis(diphenylphosphino)-1 ,1 '-binaphthyl), in a convenient reaction solvent such as toluene, followed by heating the reaction mixture at 50-150 0 C for 3-12 hours, typically for 7 hours at 100 0 C.
- an alkoxide base such as sodium tert-butoxide
- a palladium catalyst prepared in situ by mixing a palladium (II) source such as Pd(OAc)2 or Pd2(dba)3 with a bisphosphine ligand
- the present invention also comprises salts of the compounds, typically, pharmaceutically acceptable salts.
- Such salts include pharmaceutically acceptable acid addition salts.
- Acid addition salts include salts of inorganic acids as well as organic acids.
- suitable inorganic acids include hydrochloric, hydrobromic, hydroiodic, phosphoric, sulfuric, sulfamic, nitric acids and the like.
- suitable organic acids include formic, acetic, trichloroacetic, trifluoroacetic, propionic, benzoic, cinnamic, citric, fumaric, glycolic, itaconic, lactic, methanesulfonic, maleic, malic, malonic, mandelic, oxalic, picric, pyruvic, salicylic, succinic, methane sulfonic, ethanesulfonic, tartaric, ascorbic, pamoic, bismethylene salicylic, ethanedisulfonic, gluconic, citraconic, aspartic, stearic, palmitic, EDTA, glycolic, p- aminobenzoic, glutamic, benzenesulfonic, p-toluen
- the compounds of this invention may exist in unsolvated as well as in solvated forms with pharmaceutically acceptable solvents such as water, ethanol and the like.
- the solvated forms are considered equivalent to the unsolvated forms for the purposes of this invention.
- Racemic forms may be resolved into the optical antipodes by known methods, for example, by separation of diastereomeric salts thereof with an optically active acid, and liberating the optically active amine compound by treatment with a base. Separation of such diastereomeric salts can be achieved, e.g. by fractional crystallization.
- the optically active acids suitable for this purpose may include, but are not limited to d- or l-tartaric, mandelic or camphorsulfonic acids.
- Another method for resolving racemates into the optical antipodes is based upon chromatography on an optically active matrix.
- the compounds of the present invention may also be resolved by the formation and separation, e.g.
- the present invention further provides a pharmaceutical composition comprising a therapeutically effective amount of a compound of formula I and a pharmaceutically acceptable carrier or diluent.
- the present invention also provides a pharmaceutical com- position comprising a therapeutically effective amount of one of the specific compounds disclosed in the Experimental Section and a pharmaceutically acceptable carrier or diluent.
- the compounds of the invention may be administered alone or in combination with pharmaceutically acceptable carriers, diluents or excipients, in either single or multiple doses.
- pharmaceutical compositions according to the invention may be formulated with pharmaceutically acceptable carriers or diluents as well as any other known adjuvants and excipients in accordance with conventional techniques such as those disclosed in Remington: The Science and Practice of Pharmacy, 19 th Edition, Gennaro, Ed., Mack Publishing Co., Easton, PA, 1995.
- compositions may be specifically formulated for administration by any suitable route such as oral, rectal, nasal, pulmonary, topical (including buccal and sublingual), transdermal, intracisternal, intraperitoneal, vaginal and parenteral (including subcutaneous, intramuscular, intrathecal, intravenous and intradermal) routes. It will be appreciated that the route will depend on the general condition and age of the subject to be treated, the nature of the condition to be treated and the active ingredient.
- compositions for oral administration include solid dosage forms such as capsules, tablets, dragees, pills, lozenges, powders and granules. Where appropriate, the compositions may be prepared with coatings such as enteric coatings or they may be formulated so as to provide controlled release of the active ingredient such as sustained or prolonged release according to methods well known in the art.
- Liquid dosage forms for oral administration include solutions, emulsions, suspensions, syrups and elixirs.
- compositions for parenteral administration include sterile aqueous and nonaqueous injectable solutions, dispersions, suspensions or emulsions as well as sterile powders to be reconstituted in sterile injectable solutions or dispersions prior to use.
- Other suitable administration forms include, but are not limited to, suppositories, sprays, ointments, creams, gels, inhalants, dermal patches and implants.
- Typical oral dosages range from about 0.001 to about 100 mg/kg body weight per day. Typical oral dosages also range from about 0.01 to about 50 mg/kg body weight per day. Typical oral dosages further range from about 0.05 to about 10 mg/kg body weight per day. Oral dosages are usually administered in one or more dosages, typically, one to three dosages per day. The exact dosage will depend upon the frequency and mode of administration, the sex, age, weight and general condition of the subject treated, the nature and severity of the condition treated and any concomitant diseases to be treated and other factors evident to those skilled in the art.
- a typical unit dosage form for oral administration may contain from about 0.01 to about 1000 mg, from about 0.05 to about 500 mg, or from about 0.5 mg to about 200 mg.
- parenteral routes such as intravenous, intrathecal, intramuscular and similar administration
- typical doses are in the order of half the dose employed for oral administration.
- the present invention also provides a process for making a pharmaceutical composition
- a process for making a pharmaceutical composition comprising admixing a therapeutically effective amount of a compound of formula I and at least one pharmaceutically acceptable carrier or diluent.
- the compound utilized in the aforementioned process is one of the specific compounds disclosed in the Experimental Section.
- the compounds of this invention are generally utilized as the free substance or as a pharmaceutically acceptable salt thereof.
- One example is an acid addition salt of a compound having the utility of a free base.
- a compound of formula I contains a free base such salts are prepared in a conventional manner by treating a solution or suspension of a free base of formula I with a molar equivalent of a pharmaceutically acceptable acid.
- suitable organic and inorganic acids are described above.
- solutions of the compounds of formula I in sterile aqueous solution, aqueous propylene glycol, aqueous vitamin E or sesame or peanut oil may be employed.
- aqueous solutions should be suitably buffered if necessary and the liquid diluent first rendered isotonic with sufficient saline or glucose.
- the aqueous solutions are particularly suitable for intravenous, intramuscular, subcutaneous and intraperitoneal administration.
- the compounds of formula I may be readily incorporated into known sterile aqueous media using standard techniques known to those skilled in the art.
- Suitable pharmaceutical carriers include inert solid diluents or fillers, sterile aqueous solutions and various organic solvents.
- solid carriers include lactose, terra alba, sucrose, cyclodextrin, talc, gelatin, agar, pectin, acacia, magnesium stearate, stearic acid and lower alkyl ethers of cellulose.
- liquid carriers include, but are not limited to, syrup, peanut oil, olive oil, phospholipids, fatty acids, fatty acid amines, polyoxyethylene and water.
- the carrier or diluent may include any sustained release material known in the art, such as glyceryl monostearate or glyceryl distearate, alone or mixed with a wax.
- sustained release material such as glyceryl monostearate or glyceryl distearate
- the pharmaceutical compositions formed by combining the compounds of formula I and a pharmaceutically acceptable carrier are then readily administered in a variety of dosage forms suitable for the disclosed routes of administration.
- the formulations may conveniently be presented in unit dosage form by methods known in the art of pharmacy.
- Formulations of the present invention suitable for oral administration may be presented as discrete units such as capsules or tablets, each containing a predetermined amount of the active ingredient, and optionally a suitable excipient.
- the orally available formulations may be in the form of a powder or granules, a solution or suspension in an aqueous or non-aqueous liquid, or an oil-in-water or water-in-oil liquid emulsion.
- the preparation may be tabletted, placed in a hard gelatin capsule in powder or pellet form or it may be in the form of a troche or lozenge.
- the amount of solid carrier will vary widely but will range from about 25 mg to about 1 g per dosage unit.
- the preparation may be in the form of a syrup, emulsion, soft gelatin capsule or sterile injectable liquid such as an aqueous or non-aqueous liquid suspension or solution.
- compositions of the invention may be prepared by conventional methods in the art.
- tablets may be prepared by mixing the active ingredient with ordinary adjuvants and/or diluents and subsequently compressing the mixture in a conventional tabletting machine prepare tablets.
- adjuvants or diluents comprise: corn starch, potato starch, talcum, magnesium stearate, gelatine, lactose, gums, and the like. Any other adjuvants or additives usually used for such purposes such as colorings, flavorings, preservatives etc. may be used provided that they are compatible with the active ingredients.
- the compounds of formula I are PDE10A enzyme inhibitors and as such are useful to treat associated neurological and psychiatric disorders.
- the present invention provides a method of treating a subject suffering from a neurodegenerative disorder selected from a cognition disorder or movement disorder which comprises administering to the subject a therapeutically effective amount of a compound of formula I.
- This invention also provides a method of treating a subject suffering from a psychiatric disorder, which comprises administering to the subject a therapeutically effective amount of a compound of formula I.
- psychiatric disorders that can be treated according to the present invention include, but are not limited to, schizophrenia, for example of the paranoid, disorganized, catatonic, undifferentiated, or residual type; schizophreniform disorder; schizoaffective disorder, for example of the delusional type or the depressive type; delusional disorder; substance-induced psychotic disorder, for example psychosis induced by alcohol, amphetamine, cannabis, cocaine, hallucinogens, inhalants, opioids, or phencyclidine; personality disorder of the paranoid type; and personality disorder of the schizoid type; and the anxiety disorder is selected from panic disorder; agoraphobia; a specific phobia; social phobia; obsessive-compulsive disorder; post-traumatic stress disorder; acute stress disorder; and generalized anxiety disorder.
- the present invention provides a method of treating a subject suffering from a cognition disorder, which comprises administering to the subject a therapeutically effective amount of a compound of formula I.
- cognition disorders that can be treated according to the present invention include, but are not limited to, Alzheimer's disease, multi-infarct dementia, alcoholic dementia or other drug-related dementia, dementia associated with intracranial tumors or cerebral trauma, dementia associated with Huntington's disease or Parkinson's disease, or AIDS-related dementia; delirium; amnestic disorder; post-traumatic stress disorder; mental retardation; a learning disorder, for example reading disorder, mathematics disorder, or a disorder of written expression; attention-deficit/hyperactivity disorder; and age-related cognitive decline.
- This invention also provides a method of treating a movement disorder, which comprises administering to the subject a therapeutically effective amount of a compound of formula I.
- Examples of movement disorders that can be treated according to the present invention include, but are not limited to, Huntington's disease and dyskinesia associated with dopamine agonist therapy.
- This invention further provides a method of treating a movement disorder selected from Parkinson's disease and restless leg syndrome, which comprises administering to the subject a therapeutically effective amount of a compound of formula I.
- This invention also provides a method of treating a mood disorder, which comprises administering to the subject a therapeutically effective amount of a compound of formula I.
- mood disorders and mood episodes that can be treated according to the present invention include, but are not limited to, major depressive episode of the mild, moderate or severe type, a manic or mixed mood episode, a hypomanic mood episode; a depressive episode with a typical features; a depressive episode with melancholic features; a depressive episode with catatonic features; a mood episode with postpartum onset; post-stroke depression; major depressive disorder; dysthymic disorder; minor depressive disorder; premenstrual dysphoric disorder; post-psychotic depressive disorder of schizophrenia; a major depressive disorder superimposed on a psychotic disorder such as delusional disorder or schizophrenia; a bipolar disorder, for example bipolar I disorder, bipolar Il disorder, and cyclothymic disorder. It is understood that a mood disorder is a psychiatric disorder.
- the invention also provides the use of a compound of formula I or a pharmaceutically acceptable acid addition salt thereof for the preparation of a medicament for the treatment of neurodegenerative or psychiatric disorders
- the neurodegenerative disorder is selected from the group consisting of Alzheimer's disease, multi-infarct dementia, alcoholic dementia or other drug-related dementia, dementia associated with intracranial tumors or cerebral trauma, dementia associated with Huntington's disease or Parkinson's disease, or AIDS-related dementia; delirium; amnestic disorder; post-traumatic stress disorder; mental retardation; a learning disorder, for example reading disorder, mathematics disorder, or a disorder of written expression; attention-deficit/hyperactivity disorder; and age-related cognitive decline
- the psychiatric disorder is selected from the group consisting of schizophrenia, for example of the paranoid, disorganized, catatonic, undifferentiated, or residual type; schizophreniform disorder; schizoaffective disorder, for example of the delusional type or the depressive type; delusional disorder; substance-
- This invention further provides a method of treating a drug addiction, for example an alcohol, amphetamine, cocaine, or opiate addiction, in a mammal, including a human, which method comprises administering to said mammal an amount of a compound of formula I effective in treating said drug addiction.
- a drug addiction for example an alcohol, amphetamine, cocaine, or opiate addiction
- This invention also provides a method of treating a drug addiction, for example an alcohol, amphetamine, cocaine, or opiate addiction, in a mammal, including a human, which method comprises administering to said mammal an amount of a compound of formula I effective in inhibiting PDE10.
- a drug addiction for example an alcohol, amphetamine, cocaine, or opiate addiction
- a “drug addiction”, as used herein, means an abnormal desire for a drug and is generally characterized by motivational disturbances such a compulsion to take the desired drug and episodes of intense drug craving.
- the invention also provides a compound of formula I or a pharmaceutically acceptable acid addition salt thereof, and pharmaceutical compositions containing such compounds, for use in the treatment of neurodegenerative disorders, psychiatric disorders and drug addictions in mammals including humans, wherein the neurodegenerative disorder is selected from the group consisting of Alzheimer's disease, multi-infarct dementia, alcoholic dementia or other drug-related dementia, dementia associated with intracranial tumors or cerebral trauma, dementia associated with Huntington's disease or Parkinson's disease, or AIDS-related dementia; delirium; amnestic disorder; post-traumatic stress disorder; mental retardation; a learning disorder, for example reading disorder, mathematics disorder, or a disorder of written expression; attention-deficit/hyperactivity disorder; and age-related cognitive decline, and wherein the psychiatric disorder is selected from the group consisting of schizophrenia, for example of the paranoid, disorganized, catatonic, undifferentiated, or residual type; schizophreniform disorder; schizoaffective disorder, for example of the delusional type
- the invention provides a method of treating a subject to reduce body fat or body weight, or to treat non-insuline demanding diabetes mellitus (NIDDM), metabolic syndrome, or glucose intolerance, comprising administering to a subject in need thereof a therapeutically effective amount of a compound of formula I.
- NIDDM non-insuline demanding diabetes mellitus
- the subject is human, the subject is overweight or obese and the antagonist is administered orally.
- the method further comprising administering a second therapeutic agent to the subject, preferably an anti-obesity agent, e.g., rimonabant, orlistat, sibutramine, bromocriptine, ephedrine, leptin, pseudoephedrine, or peptide YY3-36, or analogs thereof.
- a second therapeutic agent e.g., rimonabant, orlistat, sibutramine, bromocriptine, ephedrine, leptin, pseudoephedrine, or peptide YY3-36, or analogs thereof.
- metabolic syndrome refers to a constellation of conditions that place people at high risk for coronary artery disease. These conditions include type 2 diabetes, obesity, high blood pressure, and a poor lipid profile with elevated LDL ("bad”) cholesterol, low HDL (“good”) cholesterol, and elevated triglycerides. All of these conditions are associated with high blood insulin levels.
- LDL low blood lipoprotein
- good high blood lipoprotein
- triglycerides elevated triglycerides. All of these conditions are associated with high blood insulin levels.
- the fundamental defect in the metabolic syndrome is insulin resistance in both adipose tissue and muscle.
- Preparative LC-MS-purification was performed on the same instrument with atmospheric pressure chemical ionisation.
- Fraction collection was performed by split-flow MS detection.
- This reaction is typically carried out in a solvent such as, for example, toluene, optionally in the presence of a carbonate base, at a temperature range of from about 0° C to about 200° C.
- a solvent such as, for example, toluene
- suitable solvents include benzene, chloroform, dioxane, ethyl acetate, 2- propanol and xylene.
- solvent mixtures such as toluene/2-propanol can be used.
- the reactants are heated under reflux in a solvent mixture of toluene and 2-propanol for a period of from about 2 hours to about 24 hours, optionally using a microwave oven.
- the reaction depicted in Scheme 1 can also conveniently be carried out in a palladium- catalyzed fashion.
- a mixture of a compound of formula II, a compound of formula III and a palladium (II) source such as Pd(OAc) 2 or Pd 2 (dba) 3 is heated in a convenient solvent such as toluene in the presence of a bisphosphine ligand, such as 2,2'- bis(diphenylphosphino)-1 ,1 '-binaphthyl "BINAP", and an alkoxide base such as sodium fert-butoxide.
- the reaction mixture is stirred at 100 0 C for 7hr, followed by purification of the product by preparative HPLC to obtain the desired product.
- Starting materials of formula Il can be prepared as described in the literature e.g. Canadian Journal of Chemistry, 46 1 160 (1968). Starting materials of formula III are either commercially available or can be prepared as described in the literature e.g. Wolters.R.J. et al.; J. Pharm. ScL; 63; 1974; 1379-1382, Busch.N. et al.; Eur. J. Med. Chem. Chim. Ther.; 1 1 ; 1976; 201 -207, Ruano, J. L. et al. J. Org. Chem.; 57; 15; 1992; 4215-4224, J. Med. Chem. 1983, 26. p 254; Ref. Patent; Hokuriku Pharm.; DE 2718451 ; 1977; Chem.Abstr.; EN; 88; 89714; Blyihin et al. Bioorg. Med. Chem. Lett. 2002, 12, 3161.
- Active PDE10A enzyme is prepared in a number of ways for use in PDE assays (Loughney, K. et al. Gene 1999, 234, 109-117; Fujishige, K. et al. Eur J Biochem. 1999, 266, 1 118-1 127 and Soderling, S. et al. Proc. Natl. Acad. Sci. 1999, 96, 7071-7076).
- PDE10A can be expressed as full-length proteins or as truncated proteins, as long as they express the catalytic domain.
- PDE10A can be prepared in different cell types, for example insect cells or E. coli.
- catalytically active PDE10A is as follows: The catalytic domain of human PDE10A (amino acids 440-779 from the sequence with accession number NP 006652) is amplified from total human brain total RNA by standard RT-PCR and is cloned into the BamH1 and Xho1 sites of the pET28a vector (Novagen). Expression in coli is performed according to standard protocols. Briefly, the expression plasmids are transformed into the BL21 (DE3) E. coli strain, and 50 ml_ cultures inoculated with the cells allowed to grow to an OD600 of 0.4-0.6 before protein expression is induced with 0.5mM IPTG.
- PDE10A and Pde3A assays can for example be performed as follows: PDE10A and Pde3A assays are performed in 60 uL samples containing a fixed amount of the relevant PDE enzyme (sufficient to convert 20-25% of the cyclic nucleotide substrate), a buffer (50 mM HEPES7.6; 1OmM MgCI 2 ; 0.02% Tween20), 0.1 mg/ml BSA, 225 pCi of 3 H-labelled cyclic nucleotide substrate, tritium labeled cAMP to a final concentration of 5 nM and varying amounts of inhibitors.
- Reactions are initiated by addition of the cyclic nucleotide substrate, and reactions are allowed to proceed for one hr at room temperature before being terminated through mixing with 15 uL 8 mg/mL yttrium silicate SPA beads (Amersham). The beads are allowed to settle for one hr in the dark before the plates are counted in a Wallac 1450 Microbeta counter. The measured signal can be converted to activity relative to an uninhibited control (100 %) and IC 50 values can be calculated using the Xlfit extension to EXCEL. Results of the experiments showed that the tested compounds of the invention inhibit the PDE1 OA enzyme with IC 50 values below 700 nM.
Abstract
Description
Claims
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JP2010525197A JP2010539195A (en) | 2007-09-19 | 2008-09-18 | Cyanoisoquinoline |
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CN200880021250A CN101743239A (en) | 2007-09-19 | 2008-09-18 | cyanoisoquinoline |
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US7858620B2 (en) * | 2007-09-19 | 2010-12-28 | H. Lundbeck A/S | Cyanoisoquinoline |
WO2012000519A1 (en) * | 2010-07-02 | 2012-01-05 | H. Lundbeck A/S | Aryl- and heteroarylamid derivatives as pde10a enzyme inhibitor |
WO2012112946A1 (en) | 2011-02-18 | 2012-08-23 | Allergan, Inc. | Substituted 6,7-dialkoxy-3-isoquinolinol derivatives as inhibitors of phosphodiesterase 10 (pde10a) |
WO2013000994A1 (en) | 2011-06-30 | 2013-01-03 | Abbott Gmbh & Co. Kg | Novel inhibitor compounds of phosphodiesterase type 10a |
WO2013068489A1 (en) | 2011-11-09 | 2013-05-16 | Abbott Gmbh & Co. Kg | Heterocyclic carboxamides useful as inhibitors of phosphodiesterase type 10a |
WO2013068470A1 (en) | 2011-11-09 | 2013-05-16 | Abbott Gmbh & Co. Kg | Inhibitors of phosphodiesterase type 10a |
WO2014027078A1 (en) | 2012-08-17 | 2014-02-20 | AbbVie Deutschland GmbH & Co. KG | Inhibitor compounds of phosphodiesterase type 10a |
WO2014071044A1 (en) | 2012-11-01 | 2014-05-08 | Allergan, Inc. | Substituted 6,7-dialkoxy-3-isoquinoline derivatives as inhibitors of phosphodiesterase 10 (pde10a) |
WO2014079995A2 (en) | 2012-11-26 | 2014-05-30 | Abbvie Inc. | Novel inhibitor compounds of phosphodiesterase type 10a |
WO2014140184A1 (en) | 2013-03-14 | 2014-09-18 | AbbVie Deutschland GmbH & Co. KG | Novel inhibitor compounds of phosphodiesterase type 10a |
US9200016B2 (en) | 2013-12-05 | 2015-12-01 | Allergan, Inc. | Substituted 6, 7-dialkoxy-3-isoquinoline derivatives as inhibitors of phosphodiesterase 10 (PDE 10A) |
US9200005B2 (en) | 2013-03-13 | 2015-12-01 | AbbVie Deutschland GmbH & Co. KG | Inhibitor compounds of phosphodiesterase type 10A |
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- 2008-09-18 JP JP2010525197A patent/JP2010539195A/en not_active Ceased
- 2008-09-18 CN CN200880021250A patent/CN101743239A/en active Pending
- 2008-09-18 WO PCT/DK2008/050225 patent/WO2009036766A1/en active Application Filing
- 2008-09-18 EP EP08801401A patent/EP2203438A1/en not_active Withdrawn
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WO2012000519A1 (en) * | 2010-07-02 | 2012-01-05 | H. Lundbeck A/S | Aryl- and heteroarylamid derivatives as pde10a enzyme inhibitor |
JP2014510055A (en) * | 2011-02-18 | 2014-04-24 | アラーガン インコーポレイテッド | Substituted 6,7-dialkoxy-3-isoquinolinol derivatives as phosphodiesterase 10 (PDE10A) inhibitors |
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WO2014071044A1 (en) | 2012-11-01 | 2014-05-08 | Allergan, Inc. | Substituted 6,7-dialkoxy-3-isoquinoline derivatives as inhibitors of phosphodiesterase 10 (pde10a) |
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US9475808B2 (en) | 2013-03-14 | 2016-10-25 | AbbVie Deutschland GmbH & Co. KG | Inhibitor compounds of phosphodiesterase type 10A |
US9163019B2 (en) | 2013-03-14 | 2015-10-20 | AbbVie Deutschland GmbH & Co. KG | Inhibitor compounds of phosphodiesterase type 10A |
US9902710B2 (en) | 2013-12-05 | 2018-02-27 | Exonhit Therapeutics, Sa | Substituted 6, 7-dialkoxy-3-isoquinoline derivatives as inhibitors of phosphodiesterase 10 (PDE 10A) |
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WO2020065583A1 (en) | 2018-09-28 | 2020-04-02 | Takeda Pharmaceutical Company Limited | Balipodect for treating or preventing autism spectrum disorders |
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TW200918519A (en) | 2009-05-01 |
CA2691474C (en) | 2013-09-10 |
CL2008002809A1 (en) | 2009-11-27 |
CA2691474A1 (en) | 2009-03-26 |
EP2203438A1 (en) | 2010-07-07 |
JP2010539195A (en) | 2010-12-16 |
AR068466A1 (en) | 2009-11-18 |
CN101743239A (en) | 2010-06-16 |
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