WO2019189781A1 - 神経細胞内カルシウム濃度上昇抑制剤 - Google Patents
神経細胞内カルシウム濃度上昇抑制剤 Download PDFInfo
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- WO2019189781A1 WO2019189781A1 PCT/JP2019/014045 JP2019014045W WO2019189781A1 WO 2019189781 A1 WO2019189781 A1 WO 2019189781A1 JP 2019014045 W JP2019014045 W JP 2019014045W WO 2019189781 A1 WO2019189781 A1 WO 2019189781A1
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- calcium concentration
- amine derivative
- cyclic amine
- hydrogen atom
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- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical class CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
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- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
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- 229960002431 trimipramine Drugs 0.000 description 1
- ZSCDBOWYZJWBIY-UHFFFAOYSA-N trimipramine Chemical compound C1CC2=CC=CC=C2N(CC(CN(C)C)C)C2=CC=CC=C21 ZSCDBOWYZJWBIY-UHFFFAOYSA-N 0.000 description 1
- MSRILKIQRXUYCT-UHFFFAOYSA-M valproate semisodium Chemical compound [Na+].CCCC(C(O)=O)CCC.CCCC(C([O-])=O)CCC MSRILKIQRXUYCT-UHFFFAOYSA-M 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
- A61K31/4164—1,3-Diazoles
- A61K31/4178—1,3-Diazoles not condensed 1,3-diazoles and containing further heterocyclic rings, e.g. pilocarpine, nitrofurantoin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
- A61K31/445—Non condensed piperidines, e.g. piperocaine
- A61K31/4523—Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems
- A61K31/454—Non condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. pimozide, domperidone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/496—Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/08—Antiepileptics; Anticonvulsants
-
- 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
- C07D401/06—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 linked by a carbon chain containing only aliphatic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
Definitions
- the present invention relates to an agent for suppressing increase in intracellular calcium concentration.
- Non-patent Documents 1 and 2 In neurons, intracellular calcium is a messenger for intracellular signal transduction, and plays an extremely important role in the regulation of cellular functions such as differentiation, proliferation, growth, survival, apoptosis, gene transcription, membrane excitation, neurotransmitter release, and synaptic plasticity.
- the calcium concentration In normal cells, the calcium concentration is maintained at about several tens to one hundred nmol / L, but when various stimuli are applied to the cells, the calcium concentration is reduced to several hundred nmol / L to several tens ⁇ mol / L. This increases the intracellular calcium concentration and causes various life responses. When the necessary life response is completed, the intracellular calcium concentration returns to normal. Therefore, in order for the cell function to work normally, it is indispensable to strictly control the concentration of intracellular calcium that flows in or out of the cell via various receptors, ion channels, and the like.
- intracellular calcium concentration In nerve cells, when intracellular calcium concentration increases, excitatory transmission, which is the most important function of nerve cells, occurs. If for any reason the precise control of the calcium concentration in nerve cells becomes impossible, an abnormal increase in intracellular calcium concentration results, resulting in many neurological diseases and disorders.
- This abnormal increase in intracellular calcium concentration is, for example, the intracellular calcium concentration exceeding the normal range, the length of the duration of increase in intracellular calcium concentration exceeding the normal range, or the cells per unit time exceeding the normal range It is indicated by the number of internal calcium concentration increases.
- epilepsy is considered to be one of the diseases caused by abnormal excitation of cerebral neurons, specifically, an abnormal increase in the number of intracellular calcium concentrations per unit time.
- Gabapentin a therapeutic agent, binds to a voltage-gated calcium channel that exists in the presynapse of excitatory nerves, suppresses intracellular calcium influx, and exerts an antiepileptic effect by suppressing excitatory synaptic transmission Is known (Non-patent Document 3). Therefore, the inhibitor of increase in intracellular calcium concentration is useful for the prevention or treatment of various neurological diseases and disorders caused by abnormal excitement accompanying increase in intracellular calcium concentration in nerve cells.
- Patent Documents 1 and 2 disclose that a cyclic amine derivative has an analgesic action, but there is no disclosure or suggestion about an effect related to suppression of increase in the intracellular calcium concentration.
- An object of the present invention is to provide a neuronal calcium concentration increase inhibitor.
- the present invention provides a neuronal calcium concentration increase inhibitor containing, as an active ingredient, a cyclic amine derivative represented by the following general formula (I) or a pharmacologically acceptable salt thereof.
- A represents a group represented by the following general formula (IIa), (IIb) or (IIc);
- R 1 represents a hydroxyl group or a hydrogen atom, and
- R 2 represents a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, a difluoromethyl group, or a 2,2,2-trifluoroethyl group.
- R 3 represents a hydrogen atom, a fluorine atom, a bromine atom or a chlorine atom
- R 4 independently represents a methyl group or an ethyl group
- n represents 1 or 2
- R 1 represents a hydroxyl group.
- a carbon marked with * represents an asymmetric carbon.
- A is preferably a group represented by the general formula (IIa), and in this case, R 2 represents a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, or Preferably, it is a 2,2,2-trifluoroethyl group, R 3 is preferably a hydrogen atom or a chlorine atom, and when R 1 is a hydroxyl group, the stereochemistry of the asymmetric carbon marked with * is , S configuration is preferable. By limiting to these, the inhibitory effect on the increase in the intracellular calcium concentration can be enhanced.
- A is preferably a group represented by the general formula (IIb).
- R 2 represents a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, or Preferably, it is a 2,2,2-trifluoroethyl group
- R 3 is preferably a hydrogen atom or a chlorine atom
- R 1 is a hydroxyl group
- the stereochemistry of the asymmetric carbon marked with * is , S configuration is preferable.
- A is preferably a group represented by the general formula (IIc), n is 1 or 2, and R 2 is a methyl group, an ethyl group, or an n-propyl group. , An isopropyl group, an n-butyl group, or a 2,2,2-trifluoroethyl group, R 3 is preferably a hydrogen atom or a chlorine atom, and when R 1 is a hydroxyl group, * The stereochemistry of the attached asymmetric carbon is preferably S configuration. By limiting to these, the inhibitory effect on the increase in the intracellular calcium concentration can be enhanced.
- R 1 is preferably a hydrogen atom
- R 2 is a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, or 2,2,2- It is preferably a trifluoroethyl group
- R 3 is preferably a hydrogen atom or a chlorine atom.
- R 1 is preferably a hydroxyl group, and in this case, R 2 is a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, or a 2,2,2-trimethyl group. It is preferably a fluoroethyl group, R 3 is preferably a hydrogen atom or a chlorine atom, and the stereochemistry of the asymmetric carbon marked with * is preferably S configuration. By limiting to these, it is possible to further enhance the inhibitory effect on the increase in the intracellular calcium concentration.
- the present invention also relates to abnormalities of nerve cells, comprising the cyclic amine derivative represented by the above general formula (I) or a pharmacologically acceptable salt thereof, a pharmacologically acceptable excipient, and the like.
- a pharmaceutical composition for treating or preventing a disease associated with excitement comprising the cyclic amine derivative represented by the above general formula (I) or a pharmacologically acceptable salt thereof, a pharmacologically acceptable excipient, and the like.
- the present invention also provides a cyclic amine derivative represented by the above general formula (I) or a pharmacologically acceptable salt thereof for use in the treatment or prevention of a disease associated with abnormal excitation of nerve cells. To do.
- the present invention also provides use of the cyclic amine derivative represented by the above general formula (I) or a pharmaceutically acceptable salt thereof for treating or preventing a disease associated with abnormal excitation of nerve cells. To do.
- the present invention also provides a cyclic amine derivative represented by the above general formula (I) or a pharmacologically acceptable salt thereof in the manufacture of a medicament for treating or preventing a disease associated with abnormal excitation of nerve cells. Provide the use of.
- the present invention also provides a method for treating or preventing a disease associated with abnormal excitation of nerve cells, wherein a therapeutically effective amount of the cyclic amine derivative represented by the above general formula (I) or the A method comprising administering a pharmacologically acceptable salt thereof is provided.
- the present invention also relates to a method for suppressing an increase in nerve cell calcium concentration, wherein an effective amount of the cyclic amine derivative represented by the above general formula (I) or a pharmacologically acceptable salt thereof is applied to the nerve cell.
- a method comprising contacting is provided.
- the present invention also relates to a method for suppressing an increase in neuronal calcium concentration, comprising an effective amount of the cyclic amine derivative represented by the above general formula (I) or a pharmacologically acceptable salt thereof.
- a method comprising administering to a subject in need thereof is provided.
- the above-mentioned diseases related to abnormal excitation of nerve cells are not limited thereto, but include, for example, Alzheimer's disease, Parkinson's disease, Huntington's chorea, Creutzfeldt-Jakob disease, amyotrophic lateral sclerosis (ALS), Spinocerebellar degeneration, spinocerebellar ataxia, Down syndrome, multiple sclerosis, schizophrenia, depression, mania, anxiety, obsessive compulsive disorder, panic disorder, bipolar disorder, basal ganglia degeneration, progression Supranuclear palsy, dementia with Lewy bodies, frontotemporal lobar degeneration, mild cognitive impairment, prefrontal lesions of Alzheimer's disease, frontotemporal lobe dementia, epilepsy, alcoholism, drug dependence, anxiety symptoms CNS disorders such as mental discomfort, emotional abnormalities, emotional circulation, irritability, autism, syncope, sputum, decreased libido; head trauma, spinal cord injury, brain edema, sensory dysfunction, diabetic a
- the cyclic amine derivative of the present invention or a pharmacologically acceptable salt thereof can suppress an increase in the intracellular calcium concentration.
- a cyclic amine derivative according to an embodiment of the present invention is characterized by being represented by the following general formula (I).
- A represents a group represented by the following general formula (IIa), (IIb) or (IIc);
- R 1 represents a hydroxyl group or a hydrogen atom, and
- R 2 represents a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, a difluoromethyl group, or a 2,2,2-trifluoroethyl group.
- R 3 represents a hydrogen atom, a fluorine atom, a bromine atom or a chlorine atom
- R 4 independently represents a methyl group or an ethyl group
- n represents 1 or 2
- R 1 represents a hydroxyl group.
- a carbon marked with * represents an asymmetric carbon.
- A is preferably a group represented by the general formula (IIa), wherein R 2 is a methyl group, an ethyl group, an isopropyl group, an n-butyl group, or 2,2,2 -It is preferably a trifluoroethyl group, and R 3 is preferably a hydrogen atom or a chlorine atom.
- R 1 is a hydroxyl group
- the stereochemistry of the asymmetric carbon marked with * is preferably S configuration.
- A is preferably a group represented by the general formula (IIa).
- R 2 is preferably an n-propyl group
- R 3 is a hydrogen atom or a chlorine atom. It is preferable that When R 1 is a hydroxyl group, the stereochemistry of the asymmetric carbon marked with * is preferably S configuration.
- A is preferably a group represented by the general formula (IIb).
- R 2 represents a methyl group, an ethyl group, an isopropyl group, an n-butyl group, or 2,2,2 -It is preferably a trifluoroethyl group
- R 3 is preferably a hydrogen atom or a chlorine atom.
- A is preferably a group represented by the general formula (IIb).
- R 2 is preferably an n-propyl group
- R 3 is a hydrogen atom or a chlorine atom. It is preferable that When R 1 is a hydroxyl group, the stereochemistry of the asymmetric carbon marked with * is preferably S configuration.
- A is preferably a group represented by the general formula (IIc), n is 1 or 2, and R 2 is a methyl group, an ethyl group, an isopropyl group, n It is preferably a -butyl group or a 2,2,2-trifluoroethyl group, and R 3 is preferably a hydrogen atom or a chlorine atom. Also when R 1 is a hydroxyl group, the stereochemistry of the asymmetric carbon marked with * it is preferably in the S configuration.
- A is preferably a group represented by the general formula (IIc), n is 1 or 2, and R 2 is preferably an n-propyl group, R 3 is preferably a hydrogen atom or a chlorine atom.
- R 1 is a hydroxyl group
- the stereochemistry of the asymmetric carbon marked with * is preferably S configuration.
- R 1 is a hydrogen atom, in which, R 2 is a methyl group, an ethyl group, an isopropyl group, with n- butyl or 2,2,2-trifluoroethyl group It is preferable that R 3 is a hydrogen atom or a chlorine atom.
- R 1 is preferably a hydrogen atom, in which case R 2 is preferably an n-propyl group, and R 3 is preferably a hydrogen atom or a chlorine atom.
- R 1 is preferably a hydroxyl group, in which case R 2 is a methyl group, an ethyl group, an isopropyl group, an n-butyl group, or a 2,2,2-trifluoroethyl group.
- R 3 is preferably a hydrogen atom or a chlorine atom.
- the stereochemistry of the asymmetric carbon marked with * is preferably S configuration.
- R 1 is preferably a hydroxyl group, in which case R 2 is preferably an n-propyl group, and R 3 is preferably a hydrogen atom or a chlorine atom. Further, the stereochemistry of the asymmetric carbon marked with * is preferably S configuration.
- A is a group represented by the general formula (IIa), R 1 is a hydrogen atom, R 2 is a methyl group, an ethyl group, an isopropyl group, n A butyl group or a 2,2,2-trifluoroethyl group, R 3 is a hydrogen atom, a fluorine atom, a bromine atom or a chlorine atom, and R 4 is each independently a methyl group or an ethyl group is there.
- R 2 is preferably a methyl group, an ethyl group or a 2,2,2-trifluoroethyl group
- R 3 is preferably a hydrogen atom.
- A is a group represented by the general formula (IIa), R 1 is a hydrogen atom, R 2 is an n-propyl group, and R 3 is , A hydrogen atom, a fluorine atom, a bromine atom or a chlorine atom, and each R 4 independently represents a methyl group or an ethyl group.
- R 3 is preferably a hydrogen atom.
- A is a group represented by the general formula (IIa), R 1 is hydroxyl group, R 2 is methyl group, an ethyl group, an isopropyl group, n- A butyl group or a 2,2,2-trifluoroethyl group, R 3 is a hydrogen atom, a fluorine atom, a bromine atom or a chlorine atom, and R 4 is each independently a methyl group or an ethyl group. .
- R 3 is preferably a hydrogen atom or a chlorine atom.
- R 2 is preferably a methyl group, an ethyl group or a 2,2,2-trifluoroethyl group, and R 3 is preferably a hydrogen atom.
- the stereochemistry of the asymmetric carbon marked with * is preferably S configuration.
- A is a group represented by the general formula (IIa), R 1 is a hydroxyl group, R 2 is an n-propyl group, and R 3 is A hydrogen atom, a fluorine atom, a bromine atom or a chlorine atom, and each R 4 independently represents a methyl group or an ethyl group.
- R 3 is preferably a hydrogen atom.
- the stereochemistry of the asymmetric carbon marked with * is preferably S configuration.
- A is a group represented by the general formula (IIb), R 1 is a hydroxyl group, R 2 is a methyl group, an ethyl group, an isopropyl group, n- A butyl group or a 2,2,2-trifluoroethyl group, R 3 is a hydrogen atom, a fluorine atom, a bromine atom or a chlorine atom, and R 4 is each independently a methyl group or an ethyl group. .
- R 2 is preferably a methyl group, an ethyl group or a 2,2,2-trifluoroethyl group, and R 3 is preferably a hydrogen atom.
- the stereochemistry of the asymmetric carbon marked with * is preferably S configuration.
- A is a group represented by the general formula (IIb), R 1 is a hydroxyl group, R 2 is an n-propyl group, and R 3 is A hydrogen atom, a fluorine atom, a bromine atom or a chlorine atom, and each R 4 independently represents a methyl group or an ethyl group.
- R 3 is preferably a hydrogen atom.
- the stereochemistry of the asymmetric carbon marked with * is preferably S configuration.
- A is a group represented by the general formula (IIc), n is 1 or 2, R 1 is a hydroxyl group, and R 2 is a methyl group , An ethyl group, an isopropyl group, an n-butyl group or a 2,2,2-trifluoroethyl group, R 3 is a hydrogen atom, a fluorine atom, a bromine atom or a chlorine atom, and R 4 is independently A methyl group or an ethyl group.
- R 2 is preferably a methyl group, an ethyl group or a 2,2,2-trifluoroethyl group, and R 3 is preferably a hydrogen atom.
- the stereochemistry of the asymmetric carbon marked with * is preferably S configuration.
- A is a group represented by the general formula (IIc), n is 1 or 2, R 1 is a hydroxyl group, R 2 is n- A propyl group, R 3 is a hydrogen atom, a fluorine atom, a bromine atom or a chlorine atom, and R 4 is independently a methyl group or an ethyl group.
- R 3 is preferably a hydrogen atom.
- the stereochemistry of the asymmetric carbon marked with * is preferably S configuration.
- A is a group represented by the general formula (IIa), R 1 is a hydroxyl group or a hydrogen atom, and R 2 is an n-propyl group or an isopropyl group. Or an n-butyl group, R 3 is a hydrogen atom, a fluorine atom, a bromine atom or a chlorine atom, R 4 is independently a methyl group or an ethyl group, and R 1 is a hydroxyl group.
- the carbon marked with * represents an asymmetric carbon.
- A is a group represented by the general formula (IIb), R 1 is a hydroxyl group or a hydrogen atom, and R 2 is an n-propyl group or an isopropyl group. Or an n-butyl group, R 3 is a hydrogen atom, a fluorine atom, a bromine atom or a chlorine atom, R 4 is independently a methyl group or an ethyl group, and R 1 is a hydroxyl group.
- the carbon marked with * represents an asymmetric carbon.
- A is a group represented by the general formula (IIc), R 1 is a hydroxyl group or a hydrogen atom, and R 2 is an n-propyl group or an isopropyl group. Or an n-butyl group, R 3 is a hydrogen atom, a fluorine atom, a bromine atom or a chlorine atom, R 4 is independently a methyl group or an ethyl group, and n is 1 or 2.
- R 1 is a hydroxyl group
- the carbon marked with * represents an asymmetric carbon.
- cyclic amine derivative (I) Preferred specific examples of the cyclic amine derivative represented by the above general formula (I) (hereinafter referred to as “cyclic amine derivative (I)”) are shown in Table 1-1, Table 1-2 and Table 1-3. The invention is not limited to these examples.
- cyclic amine derivative (I) when isomers, such as an enantiomer and a stereoisomer, exist in cyclic amine derivative (I), any one isomer and mixtures thereof are contained in cyclic amine derivative (I). Further, when the cyclic amine derivative (I) has an isomer such as an enantiomer or a stereoisomer, the cyclic amine derivative (I) is a mixture containing any one of the isomers or a mixture thereof. There may be. Moreover, when the isomer by conformation exists in cyclic amine derivative (I), any one isomer and mixtures thereof are contained in cyclic amine derivative (I). The target isomer can be obtained by a known method or a method analogous thereto. For example, when the enantiomer is present in the cyclic amine derivative (I), one enantiomer separated from the cyclic amine derivative (I) is also included in the cyclic amine derivative (I).
- the target enantiomer is a known means (for example, an optically active synthetic intermediate is used, or a known method or an equivalent method (for example, optical resolution) is used for a racemic mixture of the final product) Can be obtained.
- the cyclic amine derivative (I) includes a prodrug of the cyclic amine derivative (I) or a pharmacologically acceptable salt thereof.
- the prodrug of the cyclic amine derivative (I) is a compound that is enzymatically or chemically converted into the cyclic amine derivative (I) in vivo.
- the active body of the prodrug of the cyclic amine derivative (I) is the cyclic amine derivative (I), but the prodrug itself of the cyclic amine derivative (I) may have activity.
- Examples of the prodrug of the cyclic amine derivative (I) include compounds in which the hydroxyl group of the cyclic amine derivative (I) is alkylated, phosphorylated or borated. These compounds can be synthesized from the cyclic amine derivative (I) according to a known method.
- prodrugs of the cyclic amine derivative (I) are known in the literature ("Development of Pharmaceuticals", Hirokawa Shoten, 1990, Vol. 7, p.163-198 and Progress in Medicine, Vol. 5, 1985, p. .2157 to 2161) may be converted into the cyclic amine derivative (I).
- the cyclic amine derivative (I) may be labeled with an isotope, and examples of the labeled isotope include 2 H, 3 H, 13 C, 14 C, 15 N, 15 O and / or 18 O. Is mentioned.
- Examples of the pharmacologically acceptable salt of the cyclic amine derivative (I) include inorganic acid salts such as hydrochloride, sulfate, phosphate and hydrobromide, oxalate, malonate, Citrate, fumarate, lactate, malate, succinate, tartrate, acetate, trifluoroacetate, maleate, gluconate, benzoate, salicylate, xinafoate, pamo And organic acid salts such as acid salts, ascorbates, adipates, methanesulfonates, p-toluenesulfonates and cinnamates.
- inorganic acid salts such as hydrochloride, sulfate, phosphate and hydrobromide, oxalate, malonate, Citrate, fumarate, lactate, malate, succinate, tartrate, acetate, trifluoroacetate, maleate, gluconate, benzoate, salicylate,
- the cyclic amine derivative (I) or a pharmacologically acceptable salt thereof includes hydrates and solvates thereof.
- the cyclic amine derivative (I) or a pharmaceutically acceptable salt thereof is synthesized, for example, according to a method described in a known document (International Publication No. 2013/147160) or a known document (International Publication No. 2016/136944). be able to.
- “increased intracellular calcium concentration” means that the intracellular calcium concentration increases to such an extent that abnormal neuronal excitatory transmission occurs.
- the intracellular calcium concentration exceeds the normal range.
- concentration, the length of the duration of increase of intracellular calcium concentration exceeding the normal range, or the number of times of increase of intracellular calcium concentration per unit time exceeding the normal range are shown as indices.
- “inhibition of increase in intracellular calcium concentration” means to suppress the excitatory transmission of the generated abnormal nerve cell or to maintain a state in which the excitatory transmission of the abnormal nerve cell does not occur.
- the intracellular calcium concentration within the normal range, the duration of the increase in intracellular calcium concentration within the normal range, or the number of increases in intracellular calcium concentration per unit time within the normal range is indicated as an index.
- “inhibition of increase in intracellular calcium concentration” means 10% or more, 20% or more, 30% or more, 40% or more, 50% or more, 60% or more as compared with the case where increase in intracellular calcium concentration is not suppressed. , 70% or more, 80% or more, 90% or more, or 100% is also meant to suppress an increase in intracellular calcium concentration.
- the above-mentioned diseases related to abnormal excitation of nerve cells are not limited thereto, but include, for example, Alzheimer's disease, Parkinson's disease, Huntington's chorea, Creutzfeldt-Jakob disease, amyotrophic lateral sclerosis (ALS), Spinocerebellar degeneration, spinocerebellar ataxia, Down syndrome, multiple sclerosis, schizophrenia, depression, mania, anxiety, obsessive compulsive disorder, panic disorder, bipolar disorder, basal ganglia degeneration, progression Supranuclear palsy, dementia with Lewy bodies, frontotemporal lobar degeneration, mild cognitive impairment, prefrontal lesions of Alzheimer's disease, frontotemporal lobe dementia, epilepsy, alcoholism, drug dependence, anxiety symptoms CNS disorders such as mental discomfort, emotional abnormalities, emotional circulation, irritability, autism, syncope, sputum, decreased libido; head trauma, spinal cord injury, brain edema, sensory dysfunction, diabetic a
- the cyclic amine derivative (I) or a pharmacologically acceptable salt thereof can be used in mammals (eg, mice, rats, hamsters, rabbits, cats, dogs, cows, sheep, monkeys or humans), particularly in humans. It can be used as a medicament for treating or preventing diseases associated with abnormal excitement.
- the cyclic amine derivative (I) or a pharmacologically acceptable salt thereof is used as a medicine
- the cyclic amine derivative (I) or a pharmacologically acceptable salt thereof is incorporated as it is or a pharmaceutically acceptable carrier.
- it can be administered orally or parenterally.
- Examples of dosage forms for oral administration of a pharmaceutical containing the cyclic amine derivative (I) or a pharmacologically acceptable salt thereof as an active ingredient include tablets (including sugar-coated tablets and film-coated tablets), pills, Examples include granules, powders, capsules (including soft capsules and microcapsules), syrups, emulsions, and suspensions.
- Examples of dosage forms for parenteral administration of a pharmaceutical containing the cyclic amine derivative (I) or a pharmacologically acceptable salt thereof as an active ingredient include, for example, injections, infusions, infusions, and suppositories. And a coating agent or a patch.
- the cyclic amine derivative (I) or a pharmacologically acceptable salt thereof is added to an appropriate base (eg, butyric acid polymer, glycolic acid polymer, butyric acid-glycolic acid copolymer, butyric acid heavy salt). It is also effective to form a sustained-release preparation by combining with a mixture of a polymer and a polymer of glycolic acid or a polyglycerol fatty acid ester).
- an appropriate base eg, butyric acid polymer, glycolic acid polymer, butyric acid-glycolic acid copolymer, butyric acid heavy salt.
- the preparation of the above dosage form can be performed according to a known production method generally used in the pharmaceutical field. In this case, if necessary, it is produced by containing excipients, binders, lubricants, disintegrants, sweeteners, surfactants, suspending agents, emulsifiers and the like generally used in the pharmaceutical field. be able to.
- Tablets can be prepared, for example, by containing an excipient, a binder, a disintegrant, or a lubricant. Pills and granules can be prepared, for example, by containing an excipient, a binder or a disintegrant. Moreover, powders and capsules can be prepared, for example, by containing an excipient.
- the syrup preparation can be prepared, for example, by adding a sweetener.
- the emulsion or suspension can be prepared, for example, by containing a surfactant, suspending agent or emulsifier.
- excipient examples include lactose, glucose, starch, sucrose, microcrystalline cellulose, licorice powder, mannitol, sodium bicarbonate, calcium phosphate or calcium sulfate.
- binder examples include starch paste, gum arabic solution, gelatin solution, tragacanth solution, carboxymethyl cellulose solution, sodium alginate solution, and glycerin.
- Examples of the disintegrant include starch and calcium carbonate.
- Examples of the lubricant include magnesium stearate, stearic acid, calcium stearate, and purified talc.
- sweetener examples include glucose, fructose, invert sugar, sorbitol, xylitol, glycerin and simple syrup.
- surfactant examples include sodium lauryl sulfate, polysorbate 80, sorbitan monofatty acid ester, and polyoxyl 40 stearate.
- suspending agent examples include gum arabic, sodium alginate, sodium carboxymethyl cellulose, methyl cellulose, and bentonite.
- emulsifier examples include gum arabic, tragacanth, gelatin, and polysorbate 80.
- a pharmaceutical containing the cyclic amine derivative (I) or a pharmacologically acceptable salt thereof as an active ingredient is prepared in the above-mentioned dosage form, a colorant generally used in the pharmaceutical field, storage Agents, fragrances, flavoring agents, stabilizers, thickeners and the like can be added.
- the daily dose of a pharmaceutical containing the cyclic amine derivative (I) or a pharmacologically acceptable salt thereof as an active ingredient varies depending on the patient's condition or body weight, the type of compound, the administration route, and the like. For example, when administered orally to an adult (body weight of about 60 kg), the cyclic amine derivative (I) or a pharmacologically acceptable salt thereof is divided into 1 to 3 times within the range of 1 to 1000 mg as an active ingredient amount. Are preferably administered.
- the cyclic amine derivative (I) or a pharmacologically acceptable salt thereof may be used in combination with or in combination with other drugs in order to supplement or enhance the therapeutic or preventive effect, or to reduce the dose.
- the cyclic amine derivative (I) or a pharmacologically acceptable salt thereof may be administered simultaneously with other drugs, or may be administered continuously in any order.
- Other drugs include, but are not limited to, therapeutic drugs for diseases associated with abnormal nerve cell excitation.
- Test compounds include 1- (4- (dimethylamino) piperidin-1-yl) -3- (1-ethyl-1H-imidazol-2-yl) -3-hydroxypropane-1-shown in Table 2.
- Compound 1 (S) -1- (4- (dimethylamino) piperidin-1-yl) -3-hydroxy-3- (1-methyl-1H-imidazol-2-yl) Propan-1-one (hereinafter referred to as “Compound 2”), 1- (4- (dimethylamino) piperidin-1-yl) -3-hydroxy-3- (1- (2,2,2-trifluoroethyl) ) -1H-imidazol-2-yl) propan-1-one (hereinafter referred to as “compound 3”) and 1- (4- (dimethylamino) piperidin-1-yl) -3- (1-methyl-1H—) Imidazole-2-yl Propan-1-one sul
- the solvent name shown in the NMR data indicates the solvent used for the measurement.
- the 400 MHz NMR spectrum was measured using a JNM-AL400 type nuclear magnetic resonance apparatus (manufactured by JEOL Ltd.).
- the chemical shift is represented by ⁇ (unit: ppm) based on tetramethylsilane, and the signals are s (single line), d (double line), t (triple line), q (quadruplex line), quint, respectively.
- ESI-MS spectrum was measured using Agilent Technologies 1200 Series, G6130A (manufactured by Agilent Technology). All solvents were commercially available. For flash column chromatography, YFLC W-prep2XY (manufactured by Yamazen) was used.
- Example 1 Synthesis of Compound 7: A solution of 1- (4-dimethylaminopiperidin-1-yl) ethanone (0.300 g, 1.76 mmol) in tetrahydrofuran (6.00 mL) was added to a solution of lithium diisopropylamide in tetrahydrofuran (2.0 M, 0.969 mL, 1.94 mmol). ) was added dropwise at ⁇ 78 ° C. and stirred at the same temperature for 1 hour.
- Example 2 Synthesis of Compound 9: A solution of 1- (4-dimethylaminopiperidin-1-yl) ethanone (0.231 g, 1.36 mmol) in tetrahydrofuran (5.10 mL) was added to a solution of lithium diisopropylamide in tetrahydrofuran (2.0 M, 0.745 mL, 1.49 mmol). ) was added dropwise at ⁇ 78 ° C. and stirred at the same temperature for 1 hour.
- Example 3 Synthesis of Compound 10: A solution of 1- (4-dimethylaminopiperidin-1-yl) ethanone (0.300 g, 1.76 mmol) in tetrahydrofuran (6.00 mL) was added to a solution of lithium diisopropylamide in tetrahydrofuran (2.0 M, 0.969 mL, 1.94 mmol). ) was added dropwise at ⁇ 78 ° C. and stirred at the same temperature for 1 hour.
- Example 4 Effect of cyclic amine derivative (I) or a pharmacologically acceptable salt thereof on high potassium-induced increase in intracellular calcium concentration in rat spinal dorsal root ganglion (DRG) neurons: The inhibitory effect of the cyclic amine derivative (I) or a pharmacologically acceptable salt thereof on the high potassium-induced increase in intracellular calcium concentration of DRG neurons was examined.
- DRG SD rats (4-6 weeks old, male; Charles River, Japan) were euthanized by incision of the abdominal aorta under anesthesia and exsanguination. After incising the dorsal part, the spinal column was removed and ice-cooled. The spinal dorsal side was excised, and the spinal cord was removed from the ventral side of the spinal column, and then DRG (L4 to L6) with nerve fiber bundles were removed with precision tweezers. The extracted DRG was immersed in ice-cooled Leibovitz's L-15 medium (Thermo Fisher Scientific), the nerve fiber bundle was removed under a stereomicroscope, and the DRG was separated.
- 1% penicillin-streptomycin prepared as a DRG nerve culture medium and 2% B-27 (Thermo Fisher Scientific) -containing Neurobasal-A Medium (Thermo Fisher Scientific) were added, followed by pipetting with a micropipette. Cells were dispersed. After dispersion, it was passed through a 70 ⁇ m cell strainer (Greiner) and centrifuged at 200 ⁇ g for 5 minutes. After centrifugation, the supernatant was removed and the medium was added to suspend the cells.
- This cell suspension was seeded in a polylysine-coated 35 mm dish (Matsunami Glass Industrial Co., Ltd.) previously coated with laminin (Sigma-Aldrich), cultured at 37 ° C. under 5% CO 2 overnight, and then measured for changes in intracellular calcium concentration Used for.
- the perfusate was NaCl (140 mmol / L), KCl (5 mmol / L), CaCl 2 .2H 2 O (1.2 mmol / L), MgCl 2 .6H 2 O (2 mmol / L), adjusted to pH 7.4, An aqueous solution containing D (+)-Glucose (14 mmol / L) and HEPES (10 mmol / L) was used. Subsequently, the perfusate was washed by perfusing the dish for 10 minutes at 2 mL / min.
- Measurement of intracellular calcium concentration change is performed by analyzing the fluorescence intensity change of cells loaded with calcium fluorescent dye using analysis software with a confocal laser microscope system (Nikon Instec). It was done by doing. The laser wavelength was 488 nm, and images were acquired at intervals of 57-60 sheets per minute.
- high potassium treatment In order to induce excitation of nerve cells, in order to induce an increase in intracellular calcium concentration due to depolarization of the cell membrane, treatment using a high potassium solution (hereinafter referred to as “high potassium treatment”) was performed.
- Treatment with high potassium to cells and treatment with cyclic amine derivative (I) or a pharmacologically acceptable salt thereof (compounds 1 to 10, compound of comparative example 1 and compound of comparative example 2) (hereinafter, “ Compound treatment ”) was performed by perfusion replacement of the solution. The perfusion rate was controlled with a tube pump to 2 mL / min.
- Induction of intracellular calcium concentration by high potassium treatment is NaCl (125 mmol / L or 115 mmol / L), KCl (32.5 mmol / L or 30 mmol / L), CaCl 2 .2H 2 O (1) adjusted to pH 7.4. .2 mmol / L), MgCl 2 .6H 2 O (2 mmol / L), D (+)-Glucose (14 mmol / L) and HEPES (10 mmol / L) in aqueous solution for 1 minute. It was. High potassium treatment was performed 8 times at 5 minute intervals.
- compound treatment the compounds 1 to 10, the compound of Comparative Example 1 and the compound of Comparative Example 2 were dissolved in distilled water (Otsuka Pharmaceutical Factory) to 100 mmol / L, and then diluted with a perfusate to 30 ⁇ mol / L. This was done by treating the cells with the resulting solution.
- the compound treatment was continuously performed from 3 minutes before the start of the third high potassium treatment until the end of the eighth high potassium treatment (hereinafter referred to as “compound treatment group”).
- compound treatment group treatment using a solution obtained by diluting distilled water with a perfusate was continuously performed from 3 minutes before the start of the third high potassium treatment until after the end of the eighth high potassium treatment (hereinafter referred to as “ Solvent treatment group ”).
- the induction of the increase in intracellular calcium concentration by high potassium treatment was carried out with NaCl (115 mmol / L), KCl (30 mmol / L) prepared at pH 7.4. L), CaCl 2 .2H 2 O (1.2 mmol / L), MgCl 2 .6H 2 O (2 mmol / L), D (+)-Glucose (14 mmol / L) and an aqueous solution containing HEPES (10 mmol / L) The cells were treated for 1 minute.
- the average value of the inhibition rate of all cells in each group was defined as the inhibition rate of each group, and the inhibition rate of intracellular calcium concentration increase in the solvent treatment group was defined as 0%.
- Response rate of each cell sum of AUC at the time of 7th and 8th high potassium treatment / sum of AUC at the time of 1st and 2nd high potassium treatment ⁇ 100
- Inhibitory rate of increase in intracellular calcium concentration of each cell (%) (1 ⁇ reaction rate of each cell ⁇ average value of response rate of all cells in the solvent treatment group) ⁇ 100 Equation 2
- Table 4 shows the inhibitory effect of compounds 1 to 4 on the increase in intracellular calcium concentration induced by high potassium treatment of DRG neurons.
- “Inhibition rate” in the table indicates the calculated inhibition rate of increase in intracellular calcium concentration (average value; the number of cells in each group is 106 to 262).
- “Compound 1”, “Compound 2”, “Compound 3” and “Compound 4” in the table indicate the compound treatment groups with each compound.
- “#” And “####” in the table are statistically significant as compared with the solvent-treated group (#: p ⁇ 0.05, ####: p ⁇ 0.001, Dunnet's multiple comparison test) ).
- the increase in intracellular calcium concentration was suppressed.
- the increase in intracellular calcium concentration was significantly suppressed in the compound 5 to 8 treatment groups compared to the solvent treatment group.
- an increase in intracellular calcium concentration was not suppressed.
- the cyclic amine derivative (I) or a pharmacologically acceptable salt thereof is an inhibitor of an increase in the intracellular calcium concentration.
- the cyclic amine derivative (I) of the present invention or a pharmacologically acceptable salt thereof remarkably suppresses an increase in calcium concentration in nerve cells, it can be used as a medicament for diseases related to abnormal excitation of nerve cells.
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Abstract
Description
滑沢剤としては、例えば、ステアリン酸マグネシウム、ステアリン酸、ステアリン酸カルシウム又は精製タルクが挙げられる。
1H-NMR (400 MHz, CDCl3) δ: 0.93 (3H, t, J=7.4 Hz), 1.77-1.85 (2H, m), 4.37 (2H, t, J=7.2 Hz), 7.16 (1H, s), 7.28 (1H, s), 9.82 (1H, s).
1H-NMR (400 MHz, CDCl3) δ: 3.98 (3H, s), 7.24 (1H, s), 9.70 (1H, s).
1H-NMR (400 MHz, CDCl3) δ: 1.47 (6H, t, J=6.6 Hz), 5.48 (1H, q, J=6.6 Hz), 7.30 (1H, s), 7.33 (1H, s), 9.83 (1H, s).
1H-NMR (400 MHz, CDCl3) δ: 3.32 (3H, s), 3.67 (2H, t, J=5.0 Hz), 4.59 (2H, t, J=5.0 Hz), 7.23-7.30 (2H, m), 9.81 (1H, s).
1H-NMR (400 MHz, CDCl3) δ: 2.60-2.72 (2H, m), 4.61 (2H, t, J=6.8 Hz), 7.18 (1H, s), 7.32 (1H, s), 9.83 (1H, s).
1H-NMR (400 MHz, DMSO-d6) δ: 1.04-1.40 (2H, m), 1.62-1.80 (2H, m), 2.10-2.35 (7H, m), 2.46-2.59 (1H, m), 2.80-2.90 (1H, m), 2.95-3.10 (2H, m), 3.24 (3H, s), 3.61 (2H, t, J=5.5 Hz), 3.90-4.00 (1H, m), 4.10-4.38 (3H, m), 5.05-5.11 (1H, m), 5.38-5.42 (1H, m), 6.73 (1H, s), 7.07 (1H, s).
(参考例7)比較例2の化合物の合成:
1H-NMR (400 MHz, DMSO-d6) δ: 1.03-1.40 (2H, m), 1.63-1.79 (2H, m), 2.10-2.33 (7H, m), 2.47-2.59 (1H, m), 2.78-2.90 (3H, m), 2.95-3.13 (2H, m), 3.90-3.98 (1H, m), 4.21-4.36 (3H, m), 5.03-5.10 (1H, m), 5.49-5.54 (1H, m), 6.77 (1H, s), 7.17 (1H, s).
ESI-MS: m/z= 363 (M+H)+.
1H-NMR (400 MHz, DMSO-d6) δ: 0.85 (3H, t, J=7.4 Hz), 1.00-1.40 (2H, m), 1.61-1.80 (4H, m), 2.10-2.33 (7H, m), 2.45-2.59 (1H, m), 2.73-2.88 (1H, m), 2.93-3.13 (2H, m), 3.86-4.00 (3H, m), 4.25-4.35 (1H, m),4.98-5.05 (1H, m), 5.34-5.40 (1H, m), 6.72 (1H, s), 7.07 (1H, s).
ESI-MS: m/z= 309 (M+H)+.
1H-NMR (400 MHz, DMSO-d6) δ: 1.04-1.21 (1H, m), 1.28-1.40 (1H, m), 1.64-1.80 (2H, m), 2.15 (6H, s), 2.24-2.35 (1H, m), 2.44-2.60 (1H, m), 2.78-2.88 (1H, m), 2.95-3.11 (2H, m), 3.59 (3H, s), 3.90-3.98 (1H, m), 4.27-4.35 (1H, m), 5.00-5.10 (1H, m), 5.50-5.58 (1H, m), 6.85 (1H, s).
ESI-MS: m/z= 315 (M+H)+.
1H-NMR (400 MHz, DMSO-d6) δ: 1.04-1.41 (8H, m), 1.62-1.80 (2H, m), 2.16 (6H, s), 2.25-2.34 (1H, m), 2.48-2.59 (2H, m), 2.76-2.88 (1H, m), 2.95-3.16 (2H, m), 3.90-4.00 (1H, m), 4.27-4.38 (1H, m), 5.05-5.12 (1H, m), 5.36-5.42 (1H, m), 6.77 (1H, s), 7.20 (1H, s).
ESI-MS: m/z= 309 (M+H)+.
環状アミン誘導体(I)又はその薬理学的に許容される塩のDRG神経細胞の高カリウム誘発細胞内カルシウム濃度上昇に対する抑制効果を検討した。
SDラット(4~6週齢、オス;日本チャールス・リバー)を麻酔下にて腹大動脈を切開し、放血により安楽死させた。後背部を切開した後、脊柱を摘出し氷冷した。脊柱背側を切り取り、脊柱腹側から脊髄を除去した後、神経線維束を伴ったDRG(L4~L6)を精密ピンセットで摘出した。摘出したDRGを氷冷したLeibovitz's L-15培地(Thermo Fisher Scientific)に浸漬させ、実体顕微鏡下で神経線維束を除去し、DRGを分離した。
分離したDRGを眼下バサミで細かく切れ込みを入れた後、Collagenase A(Roche Molecular Systems)で、37℃で20分間インキュベートした。200×g、5分間で遠心分離後、上清を除去し、0.05%のTrypsin-EDTA(Thermo Fisher Scientific)を加えて、37℃で5分間インキュベートした。1%ペニシリン-ストレプトマイシン(Thermo Fisher Scientific)及び10%ウシ胎仔血清(Thermo Fisher Scientific)含有DMEM(Thermo Fisher Scientific)を加えて、200×g、5分間で遠心分離後、上清を除去した。上清除去後、DRG神経培養培地として調製した1%ペニシリン-ストレプトマイシン及び2%B-27(Thermo Fisher Scientific)含有Neurobasal-A Medium(Thermo Fisher Scientific)を加えた後、マイクロピペットでピペッティングし、細胞を分散させた。分散後、70μmセルストレイナー(Greiner)に通し、200×g、5分間で遠心した。遠心分離後、上清を除去し、培地を加えて細胞を懸濁した。この細胞懸濁液を予めラミニン(Sigma-Aldrich)をコートさせたポリリジンコート35mmディッシュ(松浪硝子工業)に播種し、37℃、5%CO2下で一晩培養後、細胞内カルシウム濃度変化測定に用いた。
蛍光カルシウム色素として、Cal-520,AM(登録商標)(AAT Bioquest)を使用した。ディッシュで培養した細胞から培地を除去し、灌流液で2回洗浄した後、4μmol/Lに調製したCal-520,AM溶液を添加し、37℃、5%CO2下で1~1.5時間培養した。灌流液は、pH7.4に調製したNaCl(140mmol/L)、KCl(5mmol/L)、CaCl2・2H2O(1.2mmol/L)、MgCl2・6H2O(2mmol/L)、D(+)-Glucose(14mmol/L)及びHEPES(10mmol/L)を含む水溶液を使用した。その後、灌流液をディッシュに10分間、2mL/分で灌流することにより洗浄した。
細胞内カルシウム濃度変化の測定は、カルシウム蛍光色素を負荷した細胞の蛍光強度変化を共焦点レーザー顕微鏡システム(ニコンインステック)で撮影した画像を解析ソフトにより解析することにより行った。レーザー波長は488nmで、画像は1分間に57~60枚の間隔で取得した。
撮影した画像は、ImageJ 1.51j8(National Institutes of Health)により解析した。各細胞の輝度値を経時的に測定して経時変化輝度値曲線を作成し、各高カリウム処置時における経時変化輝度値曲線下面積(AUC)を算出した。各細胞の反応率は、1回目及び2回目の高カリウム処置時のAUCの和に対する7回目及び8回目の高カリウム処置時のAUCの和の割合として以下の式1により算出した。次に、各細胞の細胞内カルシウム濃度上昇抑制率を、各細胞の反応率及び溶媒処置群の全細胞の反応率の平均値をもとに以下の式2により算出した。各群の全細胞の抑制率の平均値を各群の抑制率とし、溶媒処置群の細胞内カルシウム濃度上昇抑制率を0%とした。
各細胞の反応率=7回目及び8回目の高カリウム処置時のAUCの和÷1回目及び2回目の高カリウム処置時のAUCの和×100・・・式1
各細胞の細胞内カルシウム濃度上昇抑制率(%)=(1-各細胞の反応率÷溶媒処置群の全細胞の反応率の平均値)×100・・・式2
Claims (10)
- Aは、一般式(IIa)で示される基である、請求項1記載の神経細胞内カルシウム濃度上昇抑制剤。
- Aは、一般式(IIb)で示される基である、請求項1記載の神経細胞内カルシウム濃度上昇抑制剤。
- Aは、一般式(IIc)で示される基である、請求項1記載の神経細胞内カルシウム濃度上昇抑制剤。
- R1は、水素原子である、請求項1記載の神経細胞内カルシウム濃度上昇抑制剤。
- R1は、水酸基である、請求項1記載の神経細胞内カルシウム濃度上昇抑制剤。
- R2は、メチル基、エチル基、イソプロピル基、n-ブチル基又は2,2,2-トリフルオロエチル基である、請求項1~6のいずれか一項記載の神経細胞内カルシウム濃度上昇抑制剤。
- R2は、n-プロピル基である、請求項1~6のいずれか一項記載の神経細胞内カルシウム濃度上昇抑制剤。
- R3は、水素原子又は塩素原子である、請求項1~6のいずれか一項記載の神経細胞内カルシウム濃度上昇抑制剤。
- *を付した不斉炭素の立体化学は、S配置である、請求項1~4及び6のいずれか一項記載の神経細胞内カルシウム濃度上昇抑制剤。
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US17/040,458 US11510914B2 (en) | 2018-03-30 | 2019-03-29 | Agent for inhibiting rise in intraneuronal calcium concentration |
RU2020135329A RU2783208C2 (ru) | 2018-03-30 | 2019-03-29 | Агент для ингибирования повышения внутринейронной концентрации кальция |
CA3095723A CA3095723A1 (en) | 2018-03-30 | 2019-03-29 | Agent for inhibiting rise in intraneuronal calcium concentration |
KR1020207025205A KR20200136895A (ko) | 2018-03-30 | 2019-03-29 | 신경세포내 칼슘 농도 상승 억제제 |
BR112020019284-8A BR112020019284A2 (pt) | 2018-03-30 | 2019-03-29 | Agente para inibir aumento na concentração de cálcio intraneuronal |
AU2019242521A AU2019242521B2 (en) | 2018-03-30 | 2019-03-29 | Agent for inhibiting rise in intraneuronal calcium concentration |
CN201980023844.9A CN111902143B (zh) | 2018-03-30 | 2019-03-29 | 神经细胞内钙浓度上升抑制剂 |
JP2020511102A JP7264158B2 (ja) | 2018-03-30 | 2019-03-29 | 神経細胞内カルシウム濃度上昇抑制剤 |
EP19776508.4A EP3777858A4 (en) | 2018-03-30 | 2019-03-29 | AGENT TO INHIBIT INCREASE IN INTRANEURAL CALCIUM CONCENTRATION |
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JP (1) | JP7264158B2 (ja) |
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CN (1) | CN111902143B (ja) |
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Cited By (4)
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WO2020138281A1 (ja) * | 2018-12-26 | 2020-07-02 | 東レ株式会社 | アドビリン機能促進剤としての環状アミン誘導体並びに新規環状アミン誘導体及びその医薬用途 |
WO2021153743A1 (ja) * | 2020-01-31 | 2021-08-05 | 東レ株式会社 | 環状アミン誘導体の結晶及びその医薬用途 |
WO2021172488A1 (ja) * | 2020-02-28 | 2021-09-02 | 東レ株式会社 | 環状アミン誘導体及びその医薬用途 |
WO2023054626A1 (ja) * | 2021-09-30 | 2023-04-06 | 住友ファーマ株式会社 | シクロプロパンアミド誘導体 |
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- 2019-03-29 KR KR1020207025205A patent/KR20200136895A/ko not_active Application Discontinuation
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WO2020138281A1 (ja) * | 2018-12-26 | 2020-07-02 | 東レ株式会社 | アドビリン機能促進剤としての環状アミン誘導体並びに新規環状アミン誘導体及びその医薬用途 |
JP7447803B2 (ja) | 2018-12-26 | 2024-03-12 | 東レ株式会社 | アドビリン機能促進剤としての環状アミン誘導体並びに新規環状アミン誘導体及びその医薬用途 |
WO2021153743A1 (ja) * | 2020-01-31 | 2021-08-05 | 東レ株式会社 | 環状アミン誘導体の結晶及びその医薬用途 |
WO2021172488A1 (ja) * | 2020-02-28 | 2021-09-02 | 東レ株式会社 | 環状アミン誘導体及びその医薬用途 |
WO2023054626A1 (ja) * | 2021-09-30 | 2023-04-06 | 住友ファーマ株式会社 | シクロプロパンアミド誘導体 |
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AU2019242521A1 (en) | 2020-10-08 |
EP3777858A4 (en) | 2022-03-02 |
CA3095723A1 (en) | 2019-10-03 |
JPWO2019189781A1 (ja) | 2021-04-08 |
CN111902143A (zh) | 2020-11-06 |
EP3777858A1 (en) | 2021-02-17 |
US20210023068A1 (en) | 2021-01-28 |
KR20200136895A (ko) | 2020-12-08 |
TW202002974A (zh) | 2020-01-16 |
US11510914B2 (en) | 2022-11-29 |
RU2020135329A (ru) | 2022-05-04 |
TWI812692B (zh) | 2023-08-21 |
CN111902143B (zh) | 2024-01-02 |
BR112020019284A2 (pt) | 2021-01-05 |
AU2019242521B2 (en) | 2024-04-18 |
JP7264158B2 (ja) | 2023-04-25 |
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