WO2005016928A1 - イミダゾピリジン誘導体 - Google Patents
イミダゾピリジン誘導体 Download PDFInfo
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- WO2005016928A1 WO2005016928A1 PCT/JP2004/011945 JP2004011945W WO2005016928A1 WO 2005016928 A1 WO2005016928 A1 WO 2005016928A1 JP 2004011945 W JP2004011945 W JP 2004011945W WO 2005016928 A1 WO2005016928 A1 WO 2005016928A1
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Definitions
- the present invention relates to imidazopyridine derivatives useful in the field of medicine.
- This compound acts as a melanin-concentrating hormone receptor antagonist, and is used as a preventive or therapeutic agent for various cardiovascular, nervous, metabolic, reproductive, respiratory, and gastrointestinal disorders. Useful. Rice field
- MCH Melanin concentrating hormone
- MCH is responsible for various central functions in living organisms. It is thought that.
- hypothalamic lateral area has long been known as the feeding center, and in recent years, a great deal of molecular biological and pharmacological knowledge has been accumulated suggesting that MCH is involved in the regulation of energy homeostasis. That is, obZob mice, which are genetically obese model animals, dbZdb mice, Ay / a mice, and Zuckerfatty rats have been reported to increase the expression of mRNA precursor mRNA in the brain of fasted mice [Nature, 380 Vol. 243 (1996); Diabetes, Vol. 47, 294 (1998); Biochemical and Biophysical Lisa-Ichi-Communications (Biochemical and Biophysical) Research Communicatio s), 268, 88 (2000); Molecular Brain Research, 92, 43 (2001)].
- mice deficient in the MCH precursor gene have reduced food intake and increased oxygen consumption per body weight compared to wild-type mice, and have observed lower body weight due to reduced body fat [ Nature, Vol. 396, p. 670 (1998)].
- MCH is an important factor in obesity formation and also involved in obesity as a risk-factor in metabolic disorders and respiratory diseases.
- MCH is known to have anxiety-producing effects, epilepsy, memory and learning, diuretic effects, sodium and potassium excretion effects, oxytocin secretion effects, and involvement in reproductive and sexual functions [Puttai (P eptides), 17, 171 (1996); Peptides; 18, 1095 (1997); Peptides (1997) Pe pti de s), Vol. 15, pp. 757 (1994); Journal of the European Union (Journa lof Neu roendocrinology), Vol. 8, pp. 57 (1996) Critical Review, Neurobiology, 8, 221 (1994)].
- MCH elicits a variety of pharmacological effects, primarily through MCH receptors located in the central nervous system.
- receptors for MCH at least two types of receptors are known: type 1 receptor (MCH-1R, SLC-1) and type 2 receptor (MCH-2R, SLT) [Naichia (Na ture), 400, 261 (1999); Nachiya, 400, 265 (1999); Biochemical and 'Piof-Physical Research Communications (Biochemica 1 and Biophysical Research Communications) seachch Communications (vol. 261), p. 622 (1999); Nature Cell Biology, vol. 1, p.
- MCH-1R autoantibodies against MCH-1R are present in the sera of patients with vitiligo vulgaris [The Journal of Clinical Invitrogen Clinical I]. nve stigati on), 109, 923 (2002)]. Furthermore, the expression of MCH-1R in certain types of cancer cells has been reported, and the expression sites of MCH and MCH-1R in vivo also indicate cancer, sleep / wake, drug dependence, gastrointestinal disorders.
- MCH The function of MCH is expressed by the binding of MCH to the MCH receptor. Therefore, the inhibition of MCH receptor binding can prevent the expression of MCH action.
- substances that antagonize MCH receptor binding include various diseases involving MCH, such as obesity, diabetes, hormonal secretion, hyperlipidemia, gout, fatty liver, hepatitis, and cirrhosis.
- Circulatory disorders such as angina, acute, depressive heart failure, myocardial infarction, atherosclerosis, hypertension, kidney disease, electrolyte abnormalities, such as bulimia, affective disorder, depression, anxiety, epilepsy, delirium, Central and peripheral nervous system such as dementia, schizophrenia, attention deficit and hyperactivity disorder, memory disorder, sleep disorder, cognitive disorder, movement disorder, paresthesia, olfactory disorder, morphine tolerance, drug dependence, alcohol dependence, etc. It is useful as a preventive or remedy for diseases such as reproductive diseases such as infertility, premature birth and sexual dysfunction, as well as gastrointestinal diseases, respiratory diseases, cancer and skin pigmentation.
- reproductive diseases such as infertility, premature birth and sexual dysfunction, as well as gastrointestinal diseases, respiratory diseases, cancer and skin pigmentation.
- the following compound is disclosed in Japanese Patent Publication No. Hei 10-500960.
- This compound has 5HT 1 D_angione gonist activity, and includes an indole skeleton, an indoline nucleus, etc., but does not include an imidazopyridine nucleus. Differ in their mechanism of action and use. .
- melanin-concentrating hormone receptor antagonists are described, for example, in International Publication WO01 / 21577 pamphlets and International Publication WO01 / 82925 pamphlets.
- WO01 / 82925 a compound of the following formula It is disclosed as a melanin-concentrating hormone receptor antagonist (
- Patent Document 1 WO 01/21577
- Patent Document 2 WO 01/82925,
- the present invention provides a piperidine derivative having an action of antagonizing the binding of MCH to MCH-1R, and a cardiovascular disease, a nervous system disease, a metabolism, and a disease associated with MCH-1R. It is intended to provide a preventive or therapeutic agent for systemic diseases, reproductive diseases, respiratory diseases, gastrointestinal diseases and the like.
- the present inventors have conducted intensive studies to develop a compound that inhibits the binding of MCH to MCH-1R, and have a specific substituent at the 2-, 3-, and 6-positions of the imidazopyridine skeleton.
- the present inventors have found that the imidazopyridine derivative described above is a novel substance not described in the literature, and that the compound is effective as an MCH_1R antagonist. Based on such findings, the present invention has been completed.
- 1 ⁇ and 1 ⁇ 2 are the same or different
- R 1 represents a substituent selected from the group consisting of: wherein the alkyl moiety may be substituted with R 5 , the cycloalkyl or heterocycloalkyl moiety may be substituted with R 6 , and R 1 And R 2 are not simultaneously hydrogen atoms, or
- R 1 and R 2 are combined to form one (CH 2 ) m —, where m represents an integer of 3 to 6, wherein one or two hydrogen atoms constituting the methylene group are , R 6 may be substituted;
- R 3 represents a hydrogen atom, a halogen atom, C, _ 6 alkyl group or a C! It represents one 6 Arukiruo alkoxy group.
- R 4 represents a hydrogen atom or an alkyl group
- R 5 is a halogen atom, a cyano group, a hydroxyl group, an amino group, a 16 alkyl group which may be substituted with a fluorine atom or a hydroxyl group, a mono C _ 6 alkylamino group, Di C 6 Arukiruamino group, a fluorine atom in an optionally substituted C E 6 alkyl Okishi group, C 6 Arukiruokishi C i _ 6 alkyl group, the alkyl O alkoxy Cal Poniru group, C ⁇ 6 Arukiruokishi force Ruponiruamino group, Ci 6 Arukiruokishi Power Ruponyl (d-6 alkyl) amino group, C 6 alkyl carbonyl group, C X _ 6 T alkylcarponyloxy group, C alkyl power Ruponylamino group.
- Preparative 6 alkyl Rukaruponiru (d 6 alkyl) amino group a force Rubamoiru group, mono 6 alkylcarbamoyl group, di-ci _ 6 alkyl force Rubamoiru group, forces Rubamoiruamino group, mono Ci 6 alkyl force Rubamoiruamino group, di C i _ 6 alkyl force Lubamoylamino group, mono-C alkyl group Lubamoyl (Ci 6 alkyl) amino group, dialkyl group Lubamoyl group Alkyl) amino group, a force Rubamoiruokishi group, mono Ci-e alkyl force Rubamoiruokishi group, di C WINCH 6 alkyl force Rubamoiruokishi group, an alkylsulfonyl group, C 6 alkylsulfonyl ⁇ amino group. ⁇ - 6 alkylsulfonyl (C 6 alkyl) amino group, a sulfamo
- R 6 represents R 5 or an oxo group
- Ar is an aromatic carbocyclic group or an aromatic heterocyclic ring which may be substituted by R 7 A group, wherein the aromatic carbocyclic group or aromatic heterocyclic group is
- R 7 is synonymous with R 5 .
- m represents an integer of 3 to 6, wherein one or two hydrogen atoms constituting a methylene group May be substituted with R 6 ,
- R 5a represents a halogen atom, Shiano group, a hydroxyl group, a fluorine atom or a hydroxyl group in the optionally substituted alkyl group, optionally substituted with a fluorine atom C ⁇ -6 Arukiruokishi group, C x _ 6 Arukiruokishi C E _ 6- alkyl group, 6- alkyloxycarbonyl group, Ci 6- alkyloxycarbonyl amino group, C-to- 6- alkyloxycarbonyl Alkyl carbonyl group,
- 6- alkylcarbonyl — 6-alkyl) amino group carbamoyl group, mono
- R 3 , R 4 , R 6 , W and Ar have the same meanings as those described in (1).
- a melanin-aggregated hormone receptor antagonist comprising as an active ingredient the compound according to (1) or (2), (5) A pharmaceutical composition comprising the compound according to (1) or (2) or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier,
- Metabolic diseases represented by obesity, diabetes, hormonal secretion, hyperlipidemia, gout, fatty liver, hepatitis and cirrhosis, comprising the compound according to (1) or (2) as an active ingredient;
- Cardiac disease acute ⁇ depressive heart failure, myocardial infarction, atherosclerosis, hypertension, renal disease and circulatory diseases represented by abnormal electrolytes;
- bulimia affective disorder, depression, anxiety, epilepsy, delirium, dementia
- Central and peripheral nervous system represented by schizophrenia, attention deficit hyperactivity disorder, memory disorder, sleep disorder, cognitive disorder, movement disorder, paresthesia, olfactory disorder, morphine tolerance, drug dependence and alcohol dependence Diseases; reproductive diseases represented by infertility, premature birth and sexual dysfunction; gastrointestinal diseases; respiratory diseases;
- halogen atom examples include a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom.
- the “0 ⁇ 6 alkyl group” includes an alkyl group having 1 to 6 carbon atoms, that is, an alkyl group having 1 to 6 carbon atoms.
- 6 means a straight-chain or branched-chain alkyl group having 3 to 6 carbon atoms, specifically, methyl, ethyl, n-propyl, isopropyl, n-butyl, isoptyl, sec —Butyl group, tert-butyl group, n-pentyl group, isopentyl group, neopentyl group, tert-pentyl group, 1-methylbutyl group, 2-methylbutyl group, 1,2-dimethylpropyl group, 1-ethylpropyl group, n —Hexyl group, isohexyl group, 1-methylpentyl group, 2-methylpentyl group, 3-methylpentyl group, 1,1-dimethylbutyl group, 1,2-dimethylbutyl group, 2,2-dimethylbutyl group, 1-ethylbutyl Groups, 1,1,2-trimethylpropyl group, 1,2,2-trimethylpropyl group, 1-e
- C 3 6 cycloalkyl group shown example a cycloalkyl group 3-6 carbon atoms, specifically cyclopropyl group, cyclobutyl group, a hexyl group to cyclopentyl and consequent opening.
- an “oxo group” is a group that forms a carbonyl group with carbon atoms in an organic compound.
- R 5 it refers to a case where two R 5 and the carbon atom to which they are bonded form a carbonyl group.
- the “optionally substituted with a fluorine atom- 6 alkyl group” includes an alkyl group in which some or all of the hydrogen atoms of an alkyl group or a C alkyl group have been substituted with a fluorine atom. Substituted with a fluorine atom
- 67- alkyl group examples include a fluoromethyl group, a difluoromethyl group, a trifluoromethyl group, a 1,2-difluoroethyl group, and the like.
- Optionally substituted with a hydroxyl group C ⁇ - e alkyl group in the, C - 6 alkyl group or a C i-6 alkyl Le group in which some of the hydrogen atoms are substituted with a hydroxyl group of C _ 6 alkyl group
- specific examples of the latter alkyl group substituted with a hydroxyl group include a hydroxymethyl group, a 2-hydroxyethyl group, and a 3-hydroxypropyl group.
- the "fluorine atom may Arukiruokishi group optionally substituted with” means, C _ 6 alkyl group or a group where C i _ 6 alkyl group substituted bonded with fluorine atoms are included in SansoHara child, specifically Is a C ⁇ -ealkyloxy group such as methoxy, ethoxy, n-propyloxy, isopropyloxy, n-butyloxy, isobutoxy, tert-butoxy, n-pentyloxy, etc., and fluorine Substituted with an atom.
- ⁇ 6 alkyloxy groups include a fluoromethoxy group, a difluoromethoxy group, a trifluoromethoxy group, a 1,2-difluoroethoxy group and the like.
- a “mono C- 6 alkylamino group” is a group in which one of the hydrogen atoms of the amino group has been substituted with a C- 6 alkyl group, specifically, a methylamino group, an ethylamino group, an n-propylamino group, and an isopropylamino group. , N-butylamino group, sec-butylamino group, tert-butylamino group and the like.
- Di C i-6 alkylamino group means a group in which two hydrogen atoms of Amino group is substituted with C 6 alkyl group, specifically Jimechiruamino group, Jechiruamino group, E Chirumechiruamino group, di (n- Propyl) amino group, methylpropylamino group, diisopropylamino group and the like.
- “( ⁇ -6 alkyloxycarbonyl)” is a group in which a —6 alkyloxy group is bonded to a carbonyl group. Specifically, a methoxycarbonyl, ethoxycarbonyl, n-propyloxycarbonyl, isopropyl A carboxycarbonyl group, an n-butyloxycarbonyl group, an isobutoxycarbonyl group, a tert-butoxycarbonyl group, an n-pentyloxycarbonyl group, and the like.
- C 6 Arukiruokishi force Ruponiru) amino group C ⁇ to Amino group - a 6 Al kill O alkoxy Cal Poni Le group is bonded group include methoxy Cal Poni Rua amino group, an ethoxycarbonyl ⁇ amino radical, n —Propoxyoxylponylamino group, isopropyloxycarbonylamino group, n-butoxycarbonylamino group, isobutoxycarbonylamino group, tert-butoxycarbonylamino group, n-pentyloxycarbonylamino group, etc. No.
- the “C 6 alkylcarbonyl group” is a group in which a C 6 alkyl group is bonded to a carbonyl group, specifically, an acetyl group, a propionyl group, a butyryl group, an isoptyryl group, a valeryl group, an isovaleryl group, And a pivaloyl group.
- C 6- alkylalkyloxy refers to a group in which an oxygen atom is bonded to a —6-alkylalkyl group, specifically, an acetooxy, propionyloxy, valeryloxy, or isopareryloxy group. And a pivaloyloxy group.
- a ⁇ C 6 alkylcarbonylamino group '' is a group in which one of the hydrogen atoms of an amino group is substituted with a C i _ 6 alkylcarbonyl group, specifically, an acetoamide group, a propionylamino group, an isoptyrylamino group, A valerylamino group, an isovalerylamino group, a pivaloylamino group and the like can be mentioned.
- “- 6 alkylcarbonyl) alkylamino group” is a group in which a hydrogen atom on the nitrogen atom of mono -6 ⁇ alkylamino group is substituted with C i _ 6 alkyl Cal Poni group, (Mechirukaruponiru) Mechiruamino group, (Echirukaruponiru ) Methylamino group, (n-propylcapillonyl) methylamino group and the like.
- a “monoalkyl rubamoyl group” is a group in which one of the hydrogen atoms of a carbamoyl group has been replaced with an alkyl group. Specifically, a methylcarbamoyl group, an ethylcarbamoyl group, an n-propyl rubamoyl group, an isopropyl group Examples include a rubamoyl group, an n-butyl carbamoyl group, a sec-butyl carbamoyl group, and a tert-butyl carbamoyl group.
- Di C i _ 6 alkyl force Rubamoiru group means a group in which two hydrogen atoms of the force Rubamoiru group is substituted with an alkyl group, specifically, a dimethylcarbamoyl group, di-E Ji carbamoyl group, E chill methylcarbamoyl group And a di (n-propyl) carbamoyl group, a methylpropyl group and a diisopropyl group.
- a “monoalkyl rubamoylamino group” is a group in which one of the hydrogen atoms of an amino group is substituted with an alkyl rubamoyl group. Specifically, a methylcarbamoylamino group, an ethylcarbamoylamino group, or an n-propyl rubamoylamino group Isopropyl carbamoylamino, n-butylcarbamoylamino, sec-butylcarbamoylamino, tert-butylcarbamoylamino and the like.
- Di C i _ 6 alkyl force Rubamoiruamino group one of the hydrogen atoms of the Amino group but a group substituted with di-alkyl force Rubamoiru group include dimethyl Cal Bamoiruamino group, Jefferies Chi carbamoyl ⁇ amino group, di Examples thereof include (n-propyl) -powered vamoylamino group, diisopropyl-powered rubamoylamino group, di (n-butyl) carbamoylamino group, di (sec_butyl) -powered rubamoylamino group, and di (tert-butyl) -powered rubamoylamino group.
- (Mono C i _ 6 alkyl force Rubamoiru) - 6 alkylamino group” is a group in which hydrogen atoms have been substituted with mono C 6 alkyl carba model I le group on the nitrogen atom of mono-C 6 alkylamino group ", Specifically, (monomethylcarbamoyl) methylamido And a mono (n-ethylcarbamoyl) methylamino group, [mono (n-propyl) propylrubamoyl] methylamino group and the like.
- (Di ⁇ - 6 alkyl force Rubamoiru) alkylamino group is a group in which a hydrogen atom on the nitrogen atom of mono-6 Arukiruamino group "is substituted with di C i _ 6 alkyl force Rubamoiru groups, specifically ( Dimethylcarbamoyl) methylamino group, (getylcarbamoyl) methylamino group, [di (n-propyl) caprubamoyl] methylamino group and the like.
- the “monoalkyl rubamoyloxy group” is a group in which a 6- alkyl rubamoyl group is bonded to an oxygen atom, specifically, a methylcarbamoyloxy group, an ethylcarbamoyloxy group, an n-propyl rubamoyloxy group, and an isopropylcarbamoyl group. And tert-butylcarbamoyloxy, n-butylcarbamoyloxy, sec-butylcarbamoyloxy, and tert-butylcarbamoyloxy.
- the “di C ⁇ 6 alkyl rubamoyloxy group” is a group in which an oxygen atom is bonded to a di ( ⁇ -6 alkyl rubamoyloxy group, specifically, a dimethylcarbamoyloxy group, a getylcarbamoyloxy group, and an ethyl group. Examples thereof include a methylcarbamoyloxy group, a di (n-propyl) carbamoyloxy group, a methylpropyl-based rubamoyloxy group, and a disopropyl-based rubamoyloxy group.
- ( ⁇ 6 alkylsulfonyl group) is a group in which a C ⁇ 6 alkyl group is bonded to a sulfonyl group, and specifically, methylsulfonyl group, ethylsulfonyl group, n-propylsulfonyl group, isopropylsulfonyl group, n —Butylsulfonyl group, sec-butylsulfonyl group, tert-butylsulfonyl group and the like.
- rc - e alkylsulfonyl ⁇ amino group " one of the hydrogen atoms of the Amino group (6 alkylsulfonyl group and substituted groups specifically methylsulfonyl amino group, E chill sulfonyl ⁇ amino radical, n —Propylsulfonylamino group, isopropylsulfonylamino group, n-butylsulfonylamino group, sec-butylsulfonylamino group, tert-butylsulfonylamino group and the like.
- ( ⁇ - 6 alkylsulfonyl (C - 6 alkyl) amino group is a group in which a hydrogen atom on the nitrogen atom of the "C bets 6 Al Kiruamino group” is substituted with C E _ 6 alkylsulfonyl group, specifically Typically, methylsulfonyl (methyl) amino group, ethylsulfonyl (Methyl) amino group, (n-propyl) sulfonyl (methyl) amino group and the like.
- “Mono-6 alkylsulfamoyl group” is a group in which an alkyl group is bonded to a sulfamoyl group, specifically, a monomethylsulfamoyl group, a monoethylsulfamoyl group, a mono (n-propyl) sulfamoyl group, And a mono (n-butyl) sulfamoyl group, a mono (sec-butyl) sulfamoyl group, and a mono (tert-butyl) sulfamoyl group.
- Dia ( ⁇ -6 alkylsulfamoyl group) is a group in which a dialkyl group is bonded to a sulfamoyl group, specifically, a dimethylsulfamoyl group, a getylsulfamoyl group, a di (n-propyl) sulfamoyl group A diisopropylsulfamoyl group, a di (n-butyl) sulfamoyl group, a di (sec-butyl) sulfamoyl group, a di (tert-butyl) sulfamoyl group, and the like.
- an “(monoalkylsulfamoyl) amino group” is a group in which one of the hydrogen atoms of an amino group has been replaced with a monoalkylsulfamoyl group. Specifically, a (monomethylsulfamoyl) amino group, Tylsulfamoyl) amino, [mono (n_propyl) sulfamoyl] amino, (monoisopropylsulfamoyl) amino, [mono (n-butyl) sulfamoyl] amino, [mono (sec-butyl) sulfamoyl] amino Group, (tert-butylsulfamoyl) amino group and the like. ⁇
- (Di C 6 alkylsulfamoyl) amino group refers to the hydrogen atom of an amino group
- One is a group substituted with a dialkylsulfamoyl group, specifically, a (dimethylsulfamoyl) amino group, a (getylsulfamoyl) amino group, an (Xtylmethylsulfamoyl) amino group, Di (n-propyl) sulfamoyl] amino group, (methylpropylsulfamoyl) amino group, (diisopropylsulfamoyl) amino group and the like.
- a dialkylsulfamoyl group specifically, a (dimethylsulfamoyl) amino group, a (getylsulfamoyl) amino group, an (Xtylmethylsulfamoyl) amino group, Di (n-propyl) sulfamoyl] amino group, (methylpropylsulfamoyl) amino group, (diisopropylsulfamoyl
- Examples of the “3- to 8-membered heterocycloalkyl group” include azetidinyl group, pyrrolidinyl group, piperidinyl group, piperazinyl group, imidazolidinyl group, tetrahydrofurel group, tetrahydropyrael group, morpholinyl group, and 1-thia-4-azoxy And a chlorohexyl group and a 2,5-diazabicyclo [2.2.2] octaneyl group.
- the “pharmaceutically acceptable salt” of the imidazopyridine derivative represented by the general formula [I] means a conventional pharmaceutically acceptable salt, and includes an acid addition salt or a nitrogen-containing heterocyclic ring at the amino group. And the base addition salt at the carboxyl group in the case of having a hydroxyl group.
- Examples of the acid addition salts include inorganic salts such as hydrochloride, sulfate, nitrate, phosphate, and perchlorate, maleate, fumarate, tartrate, citrate, ascorbate, and trifluoro.
- Organic acid salts such as acetate, methanesulfonate, isethionate, benzenesulfonate, and sulfonates such as p-toluenesulfonate are exemplified.
- base addition salts examples include alkali metal salts such as sodium salt and potassium salt, alkaline earth metal salts such as calcium salt and magnesium salt, ammonium salt, trimethylamine salt, triethylamine salt, dicyclohexylamine salt, and ethanolamine.
- Organic amine salts such as salts, diethanolamine salts, triethanolamine salts, proforce salts, and N, N, dibenzylethylenediamine salts.
- R 1 and R 2 are the same or different
- R 1 and R 2 become — ⁇ to form — (CH 2 ) m—, m represents an integer of 3 to 6, and one or two hydrogen atoms in the methylene group are R 6 May be substituted by
- R la and R 2a are the same or different
- R 1a and R 2a are never hydrogen atoms at the same time.
- R la and R 2a together form one (CH 2 ) m —, where m represents an integer of 3 to 6, wherein 1 or 2 hydrogen atoms constituting a methylene group May be substituted with R 6 .
- the R 5, a halogen atom, Shiano group, a hydroxyl group, an amino group, a fluorine atom Wakashi Ku is substituted C 6 optionally alkyl group with a hydroxyl group, mono C i 6 Arukiruami amino group, di-alkylamino group, a fluorine atom in substituted optionally may be ⁇ Rukiruokishi groups, C 1 ⁇ Arukiruokishi C i 6 alkyl groups, C 6 Arukiruoki deer Lupo sulfonyl ⁇ amino groups, C alkyl O carboxymethyl Cal Poni Le (C ⁇ e alkyl) ⁇ amino group, ⁇ Bok 6 alkyl Cal Poni Le Group, alkyl carbonyl group, C 6 alkyl carbonyl group, alkyl carbonyl (d_ 6 alkyl) amino group, carbamoyl group, mono — 6 alkyl group rubamoyl group, dialkyl group labamoyl group
- R 5a represents a halogen atom, a cyano group, a hydroxyl group, a C i- 6 alkyl group which may be substituted with a fluorine atom or a hydroxyl group, a R 6a which may be substituted with a fluorine atom — 6 alkyloxy group, C — 6 Alkyloxy ( ⁇ — 6 alkyl, C 6 alkyloxycarbonyl, 6 alkyloxyl ponylamino,
- 6- Alkyloxycarbonyl (C ⁇ s alkyl) amino group Alkylcarbonyl group, — 6-Alkylcarbonyl group, Alkylcarbonyl amino group, ( ⁇ _ 6- Alkylcarbonyl (Ci- 6- alkyl) amino group, Levamoyl group, a mono alkyl force Rubamoiru group, a di-C i _ 6 alkyl force Rubamoiru group, force Luba Moiruamino group, a mono C i _ 6 alkyl force Rubamoiruamino group, a di-0 Bok 6 alkyl force Rubamoiruamino group, a mono C ⁇ 6 alkyl force Rubamoiru ( ci- 6 alkyl) ⁇ amino group, di-C i _ 6 alkyl force Rubamoiru alkyl) amino group, Karupamo Iruokishi group, monoalkyl force Rubamoiruokishi group, di ⁇ Bok 6 alky
- R 5 or R 5a which may be substituted by R 1 or R la , a hydroxyl group, a methoxycarbonyl group, an ethoxycarbonyl group or the like is preferably recommended.
- R 6 examples include R 5 and an oxo group, and a hydroxyl group, a methoxycarbonyl group, an ethoxycarbonyl group, an oxo group and the like are preferable.
- one C Q _ 4 8 membered to the Al killed or 3 8 membered of heterocycloalkyl groups include tetrahydrofuranyl, tetrahydropyranoyl El, pyrrolidinyl or Piberiji L is exemplified.
- R 1 is preferably an alkyl group or C. — 8- cycloalkyl Le - C 0 - 4 alkyl group, - 6 alkylamino group, di-alkylamino group, C, is illustrated _ 6 alkyl force Ruponiru (C i _ 6 alkyl) Amino group and the like, wherein any hydrogen Al Kill parts
- the atom may be substituted with R 5 (or R 5a ), and any hydrogen atom of the cycloalkyl moiety may be substituted with R 6 , specifically R or R la ) Methyl, ethyl, n-propyl, isopropyl, n-butyl, t-butyl, hydroxymethyl, 1-hydroxyethyl,
- Examples include 2-onylmethyl group, pyrrolidone-2-onylmethyl group, N-methyl-methylsulfonylaminomethyl group, and more preferably, methyl group, ethyl group, isopropyl group, t-butyl group, hydroxymethyl group, 1-methyl-1-hydroxyxyl, cyclopropyl, etc. are recommended.
- R 2 as preferably a hydrogen atom
- R 5 optionally substituted by CI_ 6 alkyl group
- Specific examples include a hydrogen atom, a methyl group, an ethyl group, a hydroxymethyl group, a 1-hydroxyethyl group, a cyclopropyl group, a methoxymethyl group, a cyanomethyl group, and the like. Methyl group, hydroxymethyl group, etc. are recommended.
- Examples of (CH 2 ) m — formed by R 1 and R 2 (or R la and R 2a ) are, for example, the following.
- R 3 examples include a hydrogen atom, a halogen atom, a C 1 ⁇ alkyl group and a C i- 6 alkyloxy group, such as a hydrogen atom, a fluorine atom, a chlorine atom, a methyl group, an ethyl group, an n-propyl group, Examples include an isopropyl group, an n-butyl group, a t-butyl group, a methoxy group, an ethoxy group, an n-propyloxy group, an isopropyloxy group, an n-butyloxy group and the like, preferably a hydrogen atom, a methyl group, a methoxy group. Etc. are recommended Is done.
- R 4 represents a hydrogen atom or a —6 alkyl group, and specifically includes a hydrogen atom, a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, and the like. A methyl group or the like is recommended.
- W is 1,2-dimethylene group, 1,4-phenylene group, 2-fluoro-1,4-phenylene group, pyridine-1,2,5-diyl group, pyrimidine-2,5-diyl Group, pyrazine-1,5-diyl group, 1,4-piperidinediyl group, 1,2,4-triazole-1,3-diyl group, 1,4-cyclohexylene group, oxymethylene group, etc.
- 1,2-dimethylene group, 1,4-phenylene group, 2-fluoro-1,4-phenylene group, pyridine-1,2,5-diyl group, pyrimidine-2,5 —Diyl group, pyrazine-1,2,5-diyl group, 1,2,4-triazole_1,3-diyl group, 1,4-cyclohexylene group, etc. are recommended. .
- Ar is an aromatic carbocyclic group or an aromatic heterocyclic group, and the aromatic carbocyclic group or the aromatic heterocyclic group may be substituted with R 7 , Is an aromatic heterocyclic group,
- R 7 is synonymous with R 5 .
- R 7 examples include a chloro group, a fluoro group, a methyl group, a difluoromethyl group, a trifluoromethyl group, a methoxy group, a difluoromethoxy group, a trifluoromethoxy group, and a methanesulfonyl group.
- Ar examples include phenyl, 2-fluorophenyl, 3-fluorophenyl, 4-fluorophenyl, 4-chlorophenyl, 3,4-difluorophenyl, and 2,4-fluorophenyl.
- Difluorophenyl group 2-trifluoromethylphenyl group, 3-trifluorophenylmethyl group, 4-trifluoromethylphenyl group, 4-methoxyphenyl group, 4-methanesulfonylphenyl group, 3-fluoro 4-Methoxyphenyl, naphthyl, pyridinyl, 3-trifluoromethylpyridine-6-yl, 2-trifluoromethylpyridine-5-yl, 2-fluoropyridine-15-yl, 3- Fluoropyridine-1-6-yl group, 3-cyclopyridine-6-yl group, 2-methoxypyridine-15-yl group, 3-methoxypyridine-16-yl group, 2-difluoro Toxylpyridine-5-yl group, 3-difluoromethoxypyridine-6-yl group, 2-virazinyl group, 2-pyrimidinyl group, 5-trifluoromethylpyrimidine-1-yl group, 2- Trifluoromethylpyrimidine-5-yl group,
- Ar is preferably a pyrroyl-1-yl group, a phenyl group, a 2-fluorophenyl group, a 3-fluorophenyl group, a 4-fluorophenyl group, a 4-chlorophenyl group, a 3,4-difluorophenyl group , 2,4-difluorophenyl group, 2-trifluoromethylphenyl group, 3-trifluoromethylphenyl group, 4-trifluoromethylphenyl group, 4-methoxyphenyl group, 4-methanesulfonyl Rufenyl group, pyridine-1-yl group, 3-methylpyridine-6-yl group, 2-difluoromethylpyridine-5-yl group, 3-difluoromethylpyridine-6-yl Group, 2-fluoropyridine-5-yl group, 3-fluoropyridine-1 6-yl group, 3-chloropyridine-6-yl group, 2-methoxypyridine-5-yl group, 2-me
- R la , R 2a , R 3 , R 4 , W and Ar are the same as above.
- the compound represented by the general formula [I] can be produced, for example, by appropriately combining the following production methods.
- e is a halogen atom such as a chlorine atom, a bromine atom and an iodine atom; an arylsulfonyloxy group such as a p-toluenesulfonyloxy group, a benzenesulfonyloxy group; a methanesulfonyloxy group; Represents a leaving group of an alkanesulfonyloxy group such as trifluoromethanesulfonyloxy, and RR 2 , R 3 , R 4 , W and Ar are the same as described above. ]
- This method uses the '
- Step 11-1 A compound represented by the general formula [I ′] by amidating a compound represented by the general formula [II] and a compound represented by the general formula [III] in a solvent
- Step 1-2 a step of condensing the compound represented by the general formula [I ′] and the compound represented by the general formula [IV] to form a compound represented by the general formula [I], if necessary.
- Step 11-1 The amidation condensation reaction is carried out by a known amidation method used in the peptide synthesis method, for example, described in “Basic and Experimental Peptide Synthesis” (Nobuo Izumiya et al., Maruzen Co., 1983) It can be done by the method.
- This reaction is usually carried out in an inert solvent, for example, halogenated hydrocarbons such as methylene chloride, chloroform, etc .; getyl ether, tetrahydrofuran (hereinafter, referred to as “T HF”), 1,4-dioxane (hereinafter, referred to as Ethers such as acetonitrile, dimethylformamide (hereinafter, referred to as “DMF”), dimethylsulfoxide (hereinafter, referred to as “DMSO”), pyridine and the like, and a mixed solvent thereof.
- an inert solvent for example, halogenated hydrocarbons such as methylene chloride, chloroform, etc .
- T HF tetrahydrofuran
- Ethers such as acetonitrile, dimethylformamide (hereinafter, referred to as “DMF”), dimethylsulfoxide (hereinafter, referred to as “DMSO”), pyridine and the like,
- the amidation reaction is preferably carried out in the presence of a condensing agent.
- the condensing agent include N, N, dicyclohexylcarbodiimide, 2-chloro-1,3-dimethyl-2-imidazolium chloride, N, N, 1-diisopropylpropylamine, 1- (3-dimethylaminopropyl) -3-ethylcarboimide, 1- (3-dimethylaminopropyl) _3-ethylcarboimide hydrochloride Benzotriazole-1-yloxy-tris- (dimethylamino) phosphoniumhexafluorophosphate, benzotriazo-l-yloxystris-pyrrolidinophosphonyl Muhexafluorophore phosphate, promotris- (dimethylamino) phosphonium hexafluorophorophosphate, diphenyl phosphoric acid azide, 1, 1
- the amount of the condensing agent to be used is usually from 1 mol to an excess mol per 1 mol of the compound represented by the general formula [II], and preferably from 1 mol to 1.5 mol is recommended.
- the reaction temperature is usually, for example, 50 ° C to 100 ° C, and preferably -20 ° C to 50 ° C.
- the reaction time is usually 30 minutes to 7 days, preferably 1 hour to 24 hours.
- the reactive derivative of the carboxylic acid represented by the general formula [II] for example, an acid halide, a mixed acid anhydride, an active ester, an active amide and the like are used. These reactive derivatives can be easily prepared by referring to the aforementioned “Basic and Experimental Peptide Synthesis” (Nobuo Izumiya et al., Maruzen Co., Ltd., 1983).
- the acid halide of the compound represented by the general formula [II] can be obtained by reacting the compound represented by the general formula [II] with a halogenating agent according to a conventionally known method.
- a halogenating agent include thionyl chloride, phosphorus trichloride, phosphorus pentachloride, phosphorus oxychloride, phosphorus tribromide, oxalyl chloride, and phosgene.
- the mixed acid anhydride of the compound represented by the general formula [II] can be prepared by a known method, for example, in the presence of an amine such as triethylamine in the presence of the compound represented by the general formula [II] and ethyl ethyl carbonate, It can be obtained by reacting an alkyl carbonate such as isobutyl carbonate with an aliphatic carboxylic acid chloride such as piperoyl chloride. .
- the active ester of the compound represented by the general formula [II] can be prepared by subjecting the compound represented by the general formula [II] to N, N, dicyclohexylcarposimide, 1- (3-dimethylamino) according to a conventionally known method.
- N-hydroxy such as N-hydroxysuccinimide, N-hydroxyphthalimide, 1-hydroxybenzotriazole (hereinafter referred to as “HOB t”) in the presence of a condensing agent such as propyl) -13-ethylcarbodiimide.
- Compound can be obtained by reacting with a phenol compound such as 412 trophenol, 2,4-dinitrophenol, 2,4,5-trichlorophenol, pentachlorophenol and the like.
- the active amide of the compound represented by the general formula [II] can be prepared by subjecting the compound represented by the general formula [II] to a method known in the art, for example, by adding one equivalent of 1,1,1-potassium liponyldiimidate. It can be obtained by reacting with sol or 1,1,1-potassium propylbis (2-methylimidazole).
- the amount of the reactive derivative of the compound represented by the general formula [II] is usually from 0.5 mol to excess mol per 1 mol of the compound represented by the general formula [III], and is preferably used. Is recommended to be 1 mol to 1.5 mol.
- the amidation reaction proceeds in the absence of a base, but is preferably performed in the presence of a base group in order to promote the reaction smoothly.
- organic bases such as triethylamine, diisopropylethylamine, pyridine, sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate, sodium hydrogen carbonate
- organic bases such as triethylamine, diisopropylethylamine, pyridine, sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate, sodium hydrogen carbonate
- inorganic bases can be used.
- the amount of the base to be used is, for example, 1 mol to an excess mol per 1 mol of the compound represented by the general formula [III], preferably 1 mol to 4 mol, and the base is a liquid.
- the base may be used as both a solvent and a base.
- a basic catalyst such as dimethylaminopyridine can be used as a catalyst for promoting the reaction.
- the amount of the catalyst to be used is, for example, 0.1 mol to 5 mol, preferably 0.1 mol to 0.5 mol, per 1 mol of the reactive derivative.
- the reaction temperature is typically in the range of 150 to 100 ° C, preferably in the range of 120 to 50 ° C.
- reaction time is typically 5 minutes to 7 days, preferably 30 minutes to 24 hours.
- Step 1-2 When R 4 is other than a hydrogen atom, the compound represented by the general formula [ ⁇ ] is reacted with a compound represented by the general formula [IV] in a solvent in the presence of a base to obtain a compound represented by the general formula [IV] It can be a compound represented by the formula [I]. Specifically, after stirring the compound represented by the general formula [ ⁇ ] and a base in a solvent for about 10 to 60 minutes under ice-cooling, the compound represented by the general formula [IV] is added to the obtained reaction solution. And react for 1 to 20 hours.
- the solvent include ethers such as getyl ether, THF, and dioxane; DMF, DMSO, and the like.
- Examples of the base include sodium hydride, potassium hydride and the like, and examples of the compound represented by the general formula [IV] include methyl iodide, methyl iodide, methyl P-toluenesulfonate and the like.
- the compound represented by the general formula [III] can be prepared by Production Method 2.
- Compound (I) is preferably used in the presence or absence, preferably in the presence, of a solvent at 10 ° C to 200 ° C, preferably 80 ° C to 150 ° C, for 10 minutes to 48 hours.
- compound A is obtained by heating for 1 to 24 hours.
- the solvent examples include alcohols such as methanol, ethanol, and propanol; ethers such as dioxane, THF, and getyl ether; and halogenated hydrocarbons such as methylene chloride, chloroform, and carbon tetrachloride.
- the amount of the compound to be used is, for example, 1 mol to 10 mol, preferably 1 mol to 5 mol, per 1 mol of the compound II.
- the nitro group of the compound is reduced to obtain a compound represented by the general formula [III].
- the reduction method for example, the method described in WO02 / 40019 can be used.
- the compound (2) or the compound a commercially available reagent can be used, and it can also be prepared by the method described in Production Examples.
- Production method 3 is a method for producing a compound represented by the general formula [II] when W is an aromatic heterocyclic group.
- R 8 represents a carboxyl group, COOR 9 or a cyano group
- R 9 represents an alkyl group having 1 to 6 carbon atoms
- X 2 has the same meaning as, and 8 and are the same as those described above. is there. ]
- compound A (or compound A ') and compound (or compound A') are reacted in a solvent in the presence of a palladium catalyst and a base to produce a compound represented by the general formula [II].
- This reaction (Suzuki coupling) is described in, for example, Tetra hedron, vol. 58, p. 9633 (2002), Chemical Rev. See iew, 95, 2457 (1995).
- the compound represented by the general formula [II] can be obtained by hydrolyzing these compounds by a conventionally known method. .
- Examples of the palladium catalyst include tetrakis (triphenylphosphine) palladium, palladium acetate, dichlorobis (triphenylphosphine) palladium, [1,1′-bis (diphenylphosphine) phenyl] dichloropalladium, and the like.
- Examples of the base include potassium carbonate, sodium carbonate, potassium phosphate and the like.
- alcohols such as t-butanol and ethanol
- ethers such as THF and 1,2-dimethoxyethane (DME)
- aromatic hydrocarbons such as benzene and toluene
- a mixed solvent thereof are recommended.
- the amount of the compound used is, for example, 0.9 mol to 2.0 mol per 1 mol of the compound A, and preferably 1.0 mol to 1.5 mol is recommended.
- the amount of the palladium catalyst to be used is, for example, 0.01 mol to 0.5 mol based on 1 mol of the compound A, and the amount of the base used is 2.0 mol based on 1 mol of the compound A. 1010 mol are exemplified.
- reaction temperature room temperature to 150 ° C is exemplified, and preferably 70 ° C to 150 ° C is recommended.
- reaction time is usually from 1 hour to 24 hours.
- the compound or compound may be a commercially available reagent, while the compound or compound ⁇ may be prepared by a known method [eg, Journa 1 of Chemical Society, p. 3129 (1953 ), Journa 1 of Organic Chemistry, vol. 60, 7508, (1995)].
- This reaction is a method for producing a compound in which W is an aliphatic nitrogen-containing heterocyclic group, that is, a compound represented by the general formula [I-12].
- the compound represented by the general formula [III] is subjected to benzoylation in pyridine to obtain a compound __ ⁇ . Subsequently, the compound and compound ⁇ are condensed according to the method described in WO 01/14376. The obtained compound can be reacted with the compound represented by the general formula [IV] according to Steps 11 and 2, if necessary, to obtain a compound represented by the general formula [I-12]. is there.
- the amino acids that do not participate in the reaction When the amino group, the hydroxyl group, the carbonyl group, the oxo group, the carbonyl group, etc. are present, the amino group, the hydroxyl group, the carbonyl group, the oxo group, and the carbonyl group may be appropriately substituted with an amino group-protecting group or a hydroxyl group.
- a protecting group for a carbonyl group, or a protecting group for an oxo group or a carbonyl group After protecting with a protecting group, a protecting group for a carbonyl group, or a protecting group for an oxo group or a carbonyl group, each reaction of Production Methods 1 to 4 is performed, and after the reaction, the protecting group can be removed.
- Examples of the “protecting group for an amino group” include a benzyl group, a p-methoxybenzyl group, a 3,4-dimethoxybenzyl group, an o-nitrobenzyl group, a p-nitrobenzyl group, a benzhydryl group, and a trityl group.
- Aralkyl groups lower alkanol groups such as formyl group, acetyl group, propionyl group, butyryl group, and bivaloyl group; benzoyl groups; aryl alkanoyl groups such as phenylacetyl and phenoxyacetyl groups; methoxycarbonyl groups and ethoxycarbonyl groups Lower alkoxyl propyl groups such as propyloxycarbonyl group and tert-butoxycarbonyl group; aralkyloxyl carbonyl groups such as benzyloxycarbonyl group, p-dimethoxybenzoylcarbonyl group and phenethyloxycarbonyl group.
- trimethylsilyl group tert-butyldimethylsilyl group Mentioned lower alkylsilyl groups such group is, in particular Asechiru group, a pivaloyl group, Benzoiru group, ethoxy Cal Poni Le group, tert- Butokishikarupo two Le group are recommended.
- hydroxyl protecting group examples include lower alkyl groups such as methyl group, ethyl group, propyl group, isopropyl group and tert-butyl group; lower alkyl silyl groups such as trimethylsilyl group and tert-butyldimethylsilyl group; Lower alkoxymethyl groups such as methyl group and 2-methoxyethoxymethyl group; tetrahydropyranyl group; for example, trimethylsilylethoxymethyl group; benzyl group, p-methoxybenzyl group, 2,3-dimethoxybenzyl group, and o-nitro Aralkyl groups such as benzyl group, p-nitrobenzyl group, and trityl group; and acyl groups such as formyl group and acetyl group.
- lower alkyl groups such as methyl group, ethyl group, propyl group, isopropyl group and tert-butyl group
- Examples of the “protecting group for a lipoxyl group” include lower alkyl groups such as methyl group, ethyl group, propyl group, isopropyl group and tert-butyl group; Lower haloalkyl groups such as loroethyl group; lower alkenyl groups such as 2-propenyl group; aralkyl groups such as benzyl group, p-methoxybenzyl group, p-nitrobenzyl group, benzhydryl group and trityl group; Particularly, methyl, ethyl, tert-butyl, 2-propenyl, benzyl, p-methoxybenzyl, and benzylhydryl groups are recommended.
- Examples of the “protecting group for an oxo group or a carbonyl group” include acetal such as ethylene ketone, trimethylene ketal and dimethyl ketal, and ketal.
- the method for removing the protecting group depends on the kind of the protecting group and the stability of the compound represented by the general formula [I]. For example, the method described in the literature [Protective Groups “In” Organic Synthesis (P rotective Group Organic Synthesis, TW Greene, John William & Sons (1981)] or a method analogous thereto.
- Solvolysis using a base that is, for example, 0.01 mol to a large excess of an acid, preferably trifluoroacetic acid, formic acid, hydrochloric acid, or the like, or an equimolar to a large excess of a base, preferably potassium hydroxide, calcium hydroxide, etc.
- a method for causing the reaction a chemical reduction using a metal hydride complex or the like, a catalytic reduction using a palladium-carbon catalyst, a Raney nickel catalyst or the like.
- the compound represented by the general formula [I] obtained by the above method can be easily isolated and purified by a conventionally known separation means.
- separation means include solvent extraction, recrystallization, column chromatography, liquid chromatography, preparative thin-layer chromatography, and the like.
- the compound of the present invention may have stereoisomers or tautomers such as optical isomers, diastereoisomers, and geometric isomers depending on the mode of the substituents. It includes all stereoisomers, tautomers and mixtures thereof.
- Pharmacological test example 1 CDNA sequence encoding human MCH-1R [FEBS Letters, 398, 253 (1996), Biomimi caet Biophisica Ac ta), vol. 1401, p. 216 (1998)] was cloned into a plasmid vector pEF / mic / cyto (manufactured by Impitrogen). The resulting expression vector was transfected into CHO-K1 (American 'type culture' collection) host cells using Ribofectamine Plus reagent (manufactured by Life Technology Co., Ltd.), and MCH-1R-expressing cells were transfected. Got.
- a membrane preparation prepared from the cells expressing MCH-1R was combined with a test compound and 50 pM [ 125 I] MCH (manufactured by NEN) together with Atsushi buffer (10 mM magnesium chloride, 2 mM ethylenediaminetetraacetic acid, 0 mM After incubating for 1 hour at 25 ° C in 5 OmM Tris buffer containing 7.4% 01% bacitracin and 0.2% serum albumin, then use a glass filter GFZC (manufactured by Whatman). Filtered.
- the compounds of the present invention potently inhibited the binding of MCH to MCH-1R and acted as MCH-1R antagonists.
- Pharmacological test example 2 (Antagonism test on eating behavior induced by MCH)
- a chronic guide cannula (26 gauge) was stereotactically inserted into the third ventricle of a male SD rat (9-12 weeks old) and fixed with dental resin.
- the position of the tip of the guide force neuron was 2.2 mm behind bregma, on the midline, and 8 mm deep from the skull surface. After a two-week recovery period, rats were fed a high-fat diet for about four hours and were saturated.
- MCH melanin-concentrating hormone
- the compound of Example 17 (10 or 3 Omg / kg) was suspended in a 0.5% aqueous methylcellulose solution and orally administered 1 hour before the administration of MCH. Subsequently, the rats were fed a high-fat diet, and food consumption was measured 2 hours after MCH administration.
- FIG. 1 is a diagram showing the food intake of rats 2 hours after the compound of the present invention was orally administered to rats saturated with a bulk fat diet, 1 hour after that, MCH was intracerebroventricularly administered. That is, 1) when the compound of Example 17 was not administered, 2) when the compound of Example 17 was administered at 1 OmgZkg, and 3) when the compound of Example 17 was administered at 3 OmgZkg. Shows the feeding amount (g) of rudd.
- the compound of the present invention dose-dependently suppressed the increase in food intake by MCH administered into the third ventricle.
- Metabolic diseases such as angina, acute, depressive heart failure, myocardial infarction, atherosclerosis, hypertension, kidney disease, electrolyte abnormalities, etc., such as bulimia, affective disorder, depression , Anxiety, epilepsy, delirium, dementia, schizophrenia, attention deficit hyperactivity disorder, memory disorder, sleep disorder, cognitive disorder, movement disorder, paresthesia, olfactory disorder, morphine tolerance, drug dependence, alcohol dependence, etc.
- Central and peripheral nervous system diseases such as infertility, premature birth, sexual dysfunction, etc., as well as prophylactic or therapeutic agents for gastrointestinal diseases, respiratory diseases, cancer or skin pigmentation, especially obesity It is useful as a pre Bozai or therapeutic agents.
- composition containing a compound represented by the general formula [I] can be administered orally or parenterally.
- Metabolic diseases such as hepatitis, cirrhosis, etc., for example, angina pectoris, acute depressive heart failure, myocardial infarction, cardiovascular sclerosis, hypertension, kidney disease, electrolyte abnormalities, etc., for example, bulimia, emotional disorders , Depression, anxiety, epilepsy, delirium, dementia, schizophrenia, attention deficit hyperactivity disorder, memory disorder, sleep disorder, cognitive disorder, motor disorder, paresthesia, olfactory disorder, morphine tolerance, drug dependence, alcohol
- prophylactic or therapeutic agents for central and peripheral nervous system diseases such as dependence, for example, reproductive diseases such as infertility, premature birth, and sexual dysfunction;
- reproductive diseases such as infertility, premature birth, and sexual dysfunction
- it can be used as a prophylactic or therapeutic agent for obesity.
- a pharmaceutically acceptable carrier can be added thereto in accordance with the dosage form, and then administered after various formulations.
- various additives conventionally known in the field of pharmaceutical preparations can be used, such as gelatin, lactose, sucrose, titanium oxide, starch, crystalline cellulose, hydroxypropylmethylcellulose, carboxymethylcellulose, and the like.
- Corn starch microcrystalline wax, white petrolatum, magnesium metasilicate aluminate magnesium, calcium phosphate anhydrous, citrate, trisodium citrate, hydroxypropyl cellulose, sorbitol, sorbitan fatty acid ester, polysorbate, sucrose fatty acid ester, Polyoxyethylene, hydrogenated castor oil, polyvinylpyrrolidone, magnesium stearate, light caffeic anhydride, talc, vegetable oil, benzyl alcohol, gum arabic, propylene glycol,
- Examples of the dosage form formulated as a mixture of the alkylene glycol and these carriers with the compound of the present invention include solid preparations such as tablets, capsules, granules, powders and suppositories; or syrups and elixirs Alternatively, liquid preparations such as injections and the like can be mentioned, and these can be prepared according to a conventionally known method in the field of preparations.
- liquid preparations they may be dissolved or suspended in water or other suitable medium at the time of use. ⁇ Especially in the case of injections, they may be dissolved in physiological saline or glucose as needed. Alternatively, they may be suspended, and a buffer or a preservative may be added.
- These preparations can contain the compound of the present invention in a proportion of 1.0 to 100% by weight, preferably 1.0 to 60% by weight of the whole pharmaceutical composition. 0 to 99.0% by weight, preferably 40 to 99.0% by weight.
- These preparations may contain other therapeutically effective drugs, for example, drugs described below such as drugs for treating diabetes, drugs for treating hyperlipidemia, drugs for treating hypertension, and drugs for treating obesity.
- the dose and frequency of administration depend on the sex, age, weight, degree of symptoms and the type and range of the intended therapeutic effect of the patient.
- the compound of the present invention is a drug effective for hypertension, hypertension associated with obesity, hypertension-related diseases, cardiac hypertrophy, left ventricular hypertrophy, metabolic disease, obesity, obesity-related diseases, etc. ) Can be used in combination. Such drugs can be administered simultaneously, separately or sequentially in the prevention or treatment of the disease.
- the compound of the present invention can be made into a pharmaceutical composition as a single dosage form.
- the composition containing the compound of the present invention and the concomitant drug may be administered to the subject in different packages, simultaneously, separately or sequentially. They may be administered at staggered times.
- the dose of the concomitant drug may be in accordance with the dose clinically used, and can be appropriately selected depending on the administration target, administration route, disease, combination and the like.
- the administration form of the concomitant drug is not particularly limited as long as the compound of the present invention and the concomitant drug are combined at the time of administration.
- Such administration forms include, for example, 1) administration of a single preparation obtained by simultaneously formulating the compound of the present invention and a concomitant drug, and 2) separate administration of the compound of the present invention and the concomitant drug.
- concomitant drug used in the present invention examples include a "diabetic drug”, a “hyperlipidemic drug”, a “hypertensive drug”, an “antiobesity drug” and the like. Two or more of these concomitant drugs may be used in combination at an appropriate ratio.
- glidazones examples include: 1) glidazones (glitazones) [for example, ciglitazone (ciglitazone), dalglitazone (darglitazone), englidazone (englitazone), isagridazone (isaglitazone) (MCC-555), etc.], piogli PPAR agonists such as evening zon (pioglitazone), rosiglitazone (rosiglitazone), troglitazone (troglitazone), BRL49653, CLX-0921, 5-BTZD, GW-0207, LG-100641, LY-300512; 2) metformin , Biguanides such as buformin and phenformin; 3) inhibitor of protein phosphatase synphosphatase-1B; 4) acethexamide, chlorpropamide, diabinese, glibenclamide, and glipizide.
- glidazones for example
- glipizide glyburide., glimepiride, gliclazide Glibenide (glipentide), gliquidone (gliquidone), glisolamide (glisolamide), tolazamide, tolptamide, etc .; sulfonylurea; 5) repaglinide, nateglinide (nateglinide) etc.
- Adiposine camigl ibose, emiglitate, miglitol, miglitol, vogl ibose, pradimicin-Q (pradimicin-Q), salpostatin (salbostatinK) MDL-25, 673 MDL-73,945, M0R14 and other ⁇ -darcoside hydroxylase inhibitors; 7) ⁇ -amylase inhibitors such as tendamistat, trestatin, A13688; 8) linoglylide ( linogliride), insulin secretagogues such as A-4166; 9) fatty acid oxidation inhibitors such as clomoxir and etomoxir; 10) midaglizole, isaglidole, deriglidole A2 antagonists such as idazoxan, elaroxan, and fluparoxan; 11) pio-yu (biota), LP-100, nono-lahid, insulin deta),
- hypolipidemic agent examples include: 1) cholesterylamine, colesevelem, colestipol, colestipol, dialkylaminoalkyl derivative of dadran, Colestid registered trademark, LoCholest registered trademark Bile acid absorption enhancers such as Questran registered trademark; 2) Atorvastatin (atorvastaUn), Itavasutain (itavastatin), Flubassutein (fluvastatin), Mouth baths (lovastatin), Prabasuten (pravastatin), Rivas HMG-CoA reductase inhibitors such as rivastatin, rosuvastatin, simvastatin, and ZD-4522; 3) HMG-CoA synthesis inhibitor; 4) snatol ester; i3—Cholesterol absorption inhibitors such as sitosterol, sterol darcoside, and ezetimibe; 5) avasimibe, F Ascylcoenzyme A cholesterol
- PPAR agonist PPAR agonist
- 17 triglyceride synthesis inhibitor
- 18 MTTP inhibitor such as LAB687, CP346086
- 19 low-density lipoprotein receptor inducer
- 20 squalene epoxidase inhibitor
- 21 platelet aggregation inhibitor
- 22 5-lipoxygenase-activating protein inhibitors such as M-591;
- hypotensive agent examples include: 1) Clothiard thiaridone, chlorothiazide, dichlorophenamide, hydrofluorothiazide, indapamide, indapamide, thiazide hydrochloride, etc .; bumetanide, esaclinic Diuretics such as ethacrynic acid, furosemide, torsemide, etc., loops such as amyloid, triamterene, etc., aldosterone antagonists such as spironolactone, epirenone, etc .; 2) acebutolol, atenolol Ill, betazolol (betaxolol), bevantolol (bevantolol), pisoprolol (bisoprolol), poppindolol (bopindolol), carteolol (carteolol), carvedilol (carvedilol), celip
- endothelin antagonists such as tezosentan, A308165, YM62899; 7) vasodilators such as hydralazine, clonidine, minoxidil, nicotinyl alcohol; 8) candesartan, eprosartan Ilbesartan, oral sultan, pratosartan, tasosartan, telmisartan, valmisartan, angiotensin II antagonists such as EXP-3137, FI6828K, marauder 6270, etc .; ⁇ no j3 ad Narin blockers; 10) K1 blockers such as terazosin, urapidil, prazosin, bunazosin, trimazosin, doxazosin, naphtopidil, indolamine, WHIP164, XEN010, etc .; 11) lofexidine, tiamenidine ⁇ 2 agonists such as
- anti-obesity drug examples include: 1) 5HT (serotoline) such as paroxetine (paroxetine), fluoxetine (fluoxetine), fenfluramine (fenfluramine), flupoxamine (fluvoxamine), sertraline, imipramine, etc. 3 ⁇ 4 8A198 / I00AI 86038 / ⁇ , 069S8 / Picture, 009IS / 66O ⁇ , ⁇ 9 81009 II ip (2> ⁇ 3 ⁇ 4- 1 6Z8 9Z-I3 906U9-JO Z68i98-Al oggoaia "u, ( ⁇ 3. Paku ⁇ / 4 ( ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇ [ ⁇
- Leptins such as human recombinant lebutin (PEG-OB, Hoffman La Roche) and recombinant methionyl leptin (Amgen); 11) USP5, 552, 524, USP5, 552, 523, USP5, 552, 522, USP5, 521, 283, W096 / 23513, W096 / 23514, W096 / 23515, W096 / 23516, W096 / 23517, stroke / 23518, lebutin derivatives such as compounds disclosed in W096 / 23519 and TO96 / 23520; 12) Narmefe (Revex®), 3-Methoxynaltrexone, Naloxone, Naltrexone, Obioid antagonists such as the compounds disclosed in WO00 / 21509; 13) SB-334867A, others W001 / 96302, W001 / 68609, W002 / 51
- the combination drug can be obtained by using one or more of the compound of the present invention and the combination drug in combination.
- the combination drug is combined with one or more drugs selected from the group consisting of a drug for treating diabetes and a drug for treating hyperlipidemia. This is useful for the prevention or treatment of metabolic diseases.
- a combination containing a therapeutic agent for hypertension and an anti-obesity agent is useful for the prevention or treatment of metabolic diseases with a synergistic effect by adding a therapeutic agent for diabetes and / or a therapeutic agent for hyperlipidemia.
- FIG. 4 is a graph showing the food consumption of rats 2 hours after intravenous administration of MCH 1 hour after the compound of the present invention was orally administered to rats saturated with a high fat diet and 1 hour after that.
- Production Example 1-1 (1) The same operation as in Production Example 1-1 (1) was performed using 2-pentanone in place of 3-methyl-2-butanone, followed by Production Example 1-1 (2) using 2-amino-5-nitropyridine.
- the title compound was obtained as a white solid by performing the same operation as in).
- the title compound was obtained as a white solid by performing the same operation as in Production Example 14 using 4- (trifluoromethyl) phenylporonic acid and 4-bromo-3-methylbenzenebenzenecarboxylic acid.
- the title compound was obtained as a white solid by performing the same operation as in Production Example 14 using 4- (trifluoromethyl) phenylporonic acid and 4-bromo-2-fluorobenzenecarboxylic acid.
- the title compound was obtained as a white solid by performing the same operation as in Production Example 14 using 4-carboxyphenylporonic acid and 2-bromopyridine.
- Methyl 4- (5-chloro-2-pyridyl) benzoate was obtained by performing the same operation as in Production Example 14 using 4- (methoxycarbonyl) phenylpropylonic acid and 2,5-dichloropyridine. This was hydrolyzed with an aqueous solution of 5 ⁇ sodium oxide to give the title compound as a white solid.
- Methyl 4- (5-methoxy-2-pyridyl) benzoate was obtained by performing the same operation as in Production Example 14 using 4- (methoxycarbonyl) phenylporonic acid and 2-bromo-5-methoxypyridine. Obtained. This was hydrolyzed with a 5 N aqueous solution of sodium hydroxide to give the title compound as a white solid.
- ESI-I MS Found: / z 230 [M + H] + Production Example 22
- the title compound was obtained as a white solid by performing the same operation as in Production Example 14 using 4-carboxyphenylporonic acid and 5-promo-2- (difluoromethyl) pyridine.
- the title compound was obtained as a white solid by performing the same operation as in Production Example 14 using 4-carboxyphenylporonic acid and 2-promo 5- (trifluoromethyl) pyridyl.
- the title compound was obtained as a white solid by performing the same operation as in Production Example 14 using 4-carboxyphenylporonic acid and 5-bromo-21- (trifluoromethyl) pyridyl.
- the title compound was obtained as a white solid by performing the same operation as in Production Example 14 using 5-bromo-2-pyridinecarboxylic acid and 4-fluorophenylporonic acid.
- the title compound was obtained as white crystals by performing the same operation as in Production Example 14 using 5-bromopyrimidine-12-carboxylic acid and phenylpolonic acid.
- the title compound was obtained as a white solid by performing the same operation as in Production Example 14 using 5-bromopyrimidine-2-carboxylic acid and 4-fluorophenylporonic acid.
- the title compound was obtained as a white solid by performing the same operation as in Production Example 14 using 5-bromopyrimidine-2-carboxylic acid and 6-fluoro-3-pyridineporonic acid.
- Example 2 The same operation as in Example 1 was performed using 2-cyclopropyl-1-methyl-6-ditroimidazo [1,2_a] pyridin and 4- (6-fluoro-3-pyridyl) benzenecarboxylic acid. The obtained solid was dissolved in ethyl acetate, 4N ethyl acetate monohydrochloride solution was added, and the mixture was concentrated under reduced pressure to give the title compound as a white solid. ⁇
- Example 2 The same operation as in Example 1 was performed using 2-cyclopropyl-3-methyl-6-nitroimidazo [1,2-a] pyridin and 5- (4-monofluorophenyl) -2-pyridinecarboxylic acid.
- the obtained solid was dissolved in ethyl acetate, a 4N hydrochloric acid-ethyl acetate solution was added, and the mixture was concentrated under reduced pressure to give the title compound as a white solid.
- Example 2 The same operation as in Example 1 was performed using 2-cyclopropyl-3-methyl-6-nitroimidazo [1,2_a] pyridin and 6- (4-monofluorophenyl) nicotinic acid. The obtained solid was dissolved in ethyl acetate, a 4 N hydrochloric acid-ethyl acetate solution was added, and the mixture was concentrated under reduced pressure to give the title compound as a white solid.
- Example 2 The same operation as in Example 1 is performed using 2-cyclopropyl-3-methyl-6-nitroimidazo [1,2-a] pyridin and 3- [4- (trifluoromethyl) phenyl] propionic acid. Thereby, the title compound was obtained as a white solid.
- Example 2 The same operation as in Example 1 was performed using 2-cyclopropyl_3-methyl-6-nitroimidazo [1,2_a] pyridin and 4- [5- (difluoromethoxy) 1-2-pyridyl] benzenecarboxylic acid. This gave the title compound as a white solid.
- Example 2 The same operation as in Example 1 was performed using 2-cyclopropyl-3-methyl-6-nitroimidazo [1,2-a] pyridin and 1- (4-fluorophenyl) -14-piperidinecarboxylic acid. This gave the title compound as a white solid.
- Example 2 The same operation as in Example 1 is performed using 2-cyclopropyl-1-methyl-6-nitroimidazo [1,2-a] pyridin and 4- (6-chloro-3-pyridazinyl) benzenecarboxylic acid. Thereby, the title compound was obtained as a white solid.
- Example 2 The same procedure as in Example 1 was performed using 2-cyclopropyl-3-methyl-6-ditromidazo [1,2-a] pyridin and 2,3'dipyridine-6'-carboxylic acid to give the title The compound was obtained as a white solid.
- Example 31 As in Example 31 using methyl 3-methyl-6-nitroimidazo [1,2-a] pyridine-12-carboxylate and 4- [5- (trifluoromethyl) -12-pyridyl] benzenecarboxylic acid By performing the above operation, the title compound was obtained as a white solid.
- Example 34 To a solution of the compound obtained in Example 34 (39 mg) in a THF-DMF mixed solution (3 ml; 1: 1 weight ratio) was added triethylamine (1931) and methanesulfonyl chloride (53 mg) under ice-cooling. For 3 hours. Next, a 2M methanol solution of methylamine (5 ml) was added, and the mixture was further stirred for 1 hour. Concentration under reduced pressure Thereafter, the residue was dissolved in a mixed solution of THF and chloroform (5 ml), triethylamine (400 l) and acetyl chloride (50 mg) were added, and the mixture was stirred at room temperature for 24 hours.
- THF-DMF mixed solution 3 ml; 1: 1 weight ratio
- Triethylamine (1.0 ml) and methanesulfonyl chloride (290 mg) were added to a THF-DMF mixed solution (5 ml; 1: 1 weight ratio) of the compound (210 mg) obtained in Example 34 under ice-cooling.
- the mixture was stirred at room temperature for 1 hour.
- a 2M dimethylamine solution in THF (5 ml) was added, and the mixture was further stirred for 1 hour. After concentration under reduced pressure, water was added to the residue, extracted with ethyl acetate form, and dried over anhydrous sodium sulfate.
- the compounds of the present invention have MCH-1R antagonism, and include metabolic diseases such as obesity, diabetes, hormonal secretion, hyperlipidemia, gout, and fatty liver, such as angina, acute Cardiovascular diseases such as depressive heart failure, myocardial infarction, atherosclerosis, hypertension, kidney disease, and electrolyte abnormalities, such as bulimia, affective disorder, depression, anxiety, epilepsy, delirium, dementia, schizophrenia, and attention deficit Central and peripheral nervous system disorders such as hyperactivity disorder, memory disorder, sleep disorder, cognitive disorder, movement disorder, paresthesia, olfactory disorder, morphine tolerance, drug dependence, alcohol dependence, for example, infertility, premature birth, It is useful as a prophylactic or therapeutic agent for reproductive diseases such as sexual dysfunction, other gastrointestinal diseases, respiratory diseases, cancer or skin pigmentation.
- metabolic diseases such as obesity, diabetes, hormonal secretion, hyperlipidemia, gout, and fatty liver, such as angina
- acute Cardiovascular diseases such as depressive heart failure, myo
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| US10/567,269 US7504412B2 (en) | 2003-08-15 | 2004-08-13 | Imidazopyridine derivatives |
| EP04771906A EP1657242A4 (en) | 2003-08-15 | 2004-08-13 | imidazopyridine |
| JP2005513217A JPWO2005016928A1 (ja) | 2003-08-15 | 2004-08-13 | イミダゾピリジン誘導体 |
| CA002535416A CA2535416A1 (en) | 2003-08-15 | 2004-08-13 | Imidazopyridine derivatives |
| AU2004265189A AU2004265189B2 (en) | 2003-08-15 | 2004-08-13 | Imidazopyridine derivatives |
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- 2004-08-13 CA CA002535416A patent/CA2535416A1/en not_active Abandoned
- 2004-08-13 EP EP04771906A patent/EP1657242A4/en not_active Withdrawn
- 2004-08-13 US US10/567,269 patent/US7504412B2/en not_active Expired - Fee Related
- 2004-08-13 AU AU2004265189A patent/AU2004265189B2/en not_active Ceased
- 2004-08-13 JP JP2005513217A patent/JPWO2005016928A1/ja active Pending
- 2004-08-13 CN CNB2004800234009A patent/CN100418965C/zh not_active Expired - Fee Related
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| US8653125B2 (en) | 2009-03-05 | 2014-02-18 | Shionogi Co., Ltd. | Cyclohexane derivative having NPY Y5 receptor antagonism |
| JP5685181B2 (ja) * | 2009-03-05 | 2015-03-18 | 塩野義製薬株式会社 | Npyy5受容体拮抗作用を有するシクロヘキサン誘導体 |
| WO2010101247A1 (ja) * | 2009-03-05 | 2010-09-10 | 塩野義製薬株式会社 | Npy y5受容体拮抗作用を有するシクロヘキサン誘導体 |
| WO2012089122A1 (en) * | 2010-12-29 | 2012-07-05 | Shanghai Fochon Pharmaceutical Co Ltd | Certain dipeptidyl peptidase inhibitors |
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| JP2022517410A (ja) * | 2019-01-18 | 2022-03-08 | バイオジェン・エムエイ・インコーポレイテッド | イミダゾ[1,2-a]ピリジニル誘導体及び疾患の処置におけるその使用 |
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| JP2022526364A (ja) * | 2019-03-29 | 2022-05-24 | ガラパゴス・ナムローゼ・フェンノートシャップ | 炎症性障害の治療のための新規化合物及びその医薬組成物 |
| JP2022526553A (ja) * | 2019-03-29 | 2022-05-25 | ガラパゴス・ナムローゼ・フェンノートシャップ | 炎症性障害の治療のための新規化合物及びその医薬組成物 |
| JP2022526176A (ja) * | 2019-03-29 | 2022-05-23 | ガラパゴス・ナムローゼ・フェンノートシャップ | 炎症性障害の治療のための新規化合物及びその医薬組成物 |
| JP2022540464A (ja) * | 2019-07-10 | 2022-09-15 | メッドシャイン ディスカバリー インコーポレイテッド | Irak4及びbtkマルチターゲット阻害剤としてのオキサゾール化合物 |
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| US12459940B2 (en) | 2019-07-10 | 2025-11-04 | Shanghai Fosun Pharmaceutical Industrial Development Co., Ltd. | Oxazole compound as multi-targeted inhibitor of IRAK4 and BTK |
| JP2023532623A (ja) * | 2020-05-13 | 2023-07-31 | シーエイチディーアイ ファウンデーション,インコーポレーテッド | ハンチントン病を処置するためのhttモジュレータ |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP1657242A4 (en) | 2008-10-29 |
| CN1835950A (zh) | 2006-09-20 |
| US20080200494A1 (en) | 2008-08-21 |
| US7504412B2 (en) | 2009-03-17 |
| JPWO2005016928A1 (ja) | 2006-10-12 |
| CN100418965C (zh) | 2008-09-17 |
| EP1657242A1 (en) | 2006-05-17 |
| AU2004265189B2 (en) | 2010-03-04 |
| AU2004265189A1 (en) | 2005-02-24 |
| CA2535416A1 (en) | 2005-02-24 |
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