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WO2017188369A1 - Composition pharmaceutique pour le traitement ou la prévention de la dermatite atopique - Google Patents

Composition pharmaceutique pour le traitement ou la prévention de la dermatite atopique Download PDF

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Publication number
WO2017188369A1
WO2017188369A1 PCT/JP2017/016701 JP2017016701W WO2017188369A1 WO 2017188369 A1 WO2017188369 A1 WO 2017188369A1 JP 2017016701 W JP2017016701 W JP 2017016701W WO 2017188369 A1 WO2017188369 A1 WO 2017188369A1
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Prior art keywords
dimethyl
trimethylsilyl
cyclobutanecarboxamide
pyrazole
group
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Japanese (ja)
Inventor
徳明 岩瀬
康弘 阿賀
繁行 河野
茂 牛山
和弘 大沼
高志 松下
彩矢佳 小木
あゆみ 小川
木村　富美夫
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Ube Corp
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Ube Industries Ltd
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    • 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
    • A61K31/695—Silicon compounds

Definitions

  • the present invention relates to a pharmaceutical composition useful for the treatment and / or prevention of atopic dermatitis, comprising a substituted dihydropyrrolopyrazole compound or a pharmacologically acceptable salt thereof, or a prodrug thereof.
  • Non-Patent Document 1 The number of patients with allergic diseases such as bronchial asthma, atopic dermatitis, hay fever, allergic rhinitis, and food allergies is increasing year by year. In recent years, about 1/3 of the total population in Japan suffers from allergic diseases. (See Non-Patent Document 1).
  • Atopic dermatitis is a chronic skin disease with itching caused by various stimuli on allergic constitution called atopic predisposition, such as allergic asthma, allergic rhinitis, dermatitis urticaria .
  • atopic predisposition such as allergic asthma, allergic rhinitis, dermatitis urticaria .
  • it presents symptoms of chronic eczema over a wide area, with strong itching.
  • some patients have red eczema, nodules, etc., accompanied by severe itching, and tissue fluid oozes from the moistened phase, causing severe pain.
  • antihistamines have a certain level of antipruritic effect, they are not durable and may cause fatigue and drowsiness after administration, which may interfere with daily life.
  • steroids are highly effective in improving skin symptoms, they have strong side effects such as adrenal cortical dysfunction due to large-scale use. It was. Therefore, safety is sufficiently established, and a more effective therapeutic drug for atopic dermatitis is desired.
  • CDK7 cyclin-dependent kinase 7
  • Saccharomyces cerevisiae 7 CDK7 (cyclin-dependent kinase 7) was initially identified as an mRNA transcription factor in Saccharomyces cerevisiae, and subsequently became clear to play two roles, cell cycle control and mRNA transcription control.
  • CDK family including CDK7 CDKs
  • CDKs CDKs
  • CDKs is known to be involved in inflammatory reaction through proliferation of inflammatory cells and immune cells, regulation of apoptosis, transcriptional regulation of inflammatory mediators, etc. It is considered promising for the disease to be performed (see Non-Patent Document 3).
  • Non-Patent Document 4 atopicity It has been reported that Th17 differentiation deeply associated with dermatitis is suppressed (see Non-Patent Documents 5 and 6).
  • the inventors of the present invention have conducted intensive research aimed at developing an excellent CDK7 inhibitor useful for the treatment and / or prevention of atopic dermatitis.
  • a novel substituted dihydropyrrolopyrazole compound having a specific structure or a pharmacologically acceptable salt thereof has excellent CDK7 inhibitory activity, and a pharmaceutical composition comprising the compound or a pharmacologically acceptable salt thereof is provided.
  • the inventors have found that it is useful as a therapeutic agent and / or preventive agent (preferably a therapeutic agent) for atopic dermatitis, and has also found a compound that can be a prodrug of the compound, thereby completing the present invention.
  • Patent Documents 1 to 9 and Non-Patent Documents 8 to 10 describe compounds having a 6,6-dimethyl-4,6-dihydropyrrolo [3,4-c] pyrazole skeleton.
  • the compound according to the present invention or a pharmacologically acceptable salt thereof is not disclosed.
  • Patent Document 10 discloses pyrazolopyrimidine derivatives, Patent Documents 11 and 12, pyrazolotriazine derivatives, Patent Document 13 and Non-Patent Document 7, phenyl derivatives, Patent Document 14 Although heterocyclic compounds are disclosed in -20 to 20, a compound having a 4,6-dihydropyrrolo [3,4-c] pyrazole skeleton is not disclosed.
  • the present invention relates to a pharmaceutical composition for treating or preventing atopic dermatitis, comprising a novel substituted dihydropyrrolopyrazole compound having excellent CDK7 inhibitory activity or a pharmacologically acceptable salt thereof, or a prodrug thereof; Use of a substituted dihydropyrrolopyrazole compound or a pharmacologically acceptable salt thereof, or a prodrug thereof for the manufacture of a pharmaceutical composition for the treatment or prevention (preferably treatment) of atopic dermatitis; and substituted dihydropyrrolo Treatment or prevention of atopic dermatitis by administration of a pharmaceutically effective amount of a pyrazole compound or a pharmacologically acceptable salt thereof or a prodrug thereof to a warm-blooded animal (preferably a human) (preferably, A method for treatment).
  • a pharmaceutically effective amount of a pyrazole compound or a pharmacologically acceptable salt thereof or a prodrug thereof to a warm-blooded animal (preferably a
  • the present invention provides the following [1] to [37] from one aspect.
  • a pharmaceutical composition for treating or preventing atopic dermatitis comprising a compound represented by the formula: or a pharmacologically acceptable salt thereof.
  • a pharmaceutical composition for treating or preventing atopic dermatitis comprising a compound represented by the formula: or a pharmacologically acceptable salt thereof.
  • a pharmaceutical composition for treating or preventing atopic dermatitis comprising a compound represented by the formula: or a pharmacologically acceptable salt thereof.
  • a pharmaceutical composition for treating or preventing atopic dermatitis comprising a compound represented by the formula: or a pharmacologically acceptable salt thereof.
  • L 2 and L 3 represent a single bond.
  • L 2 is a divalent group represented by -NH-, L 3 indicates a straight chain may be substituted or branched C 1-6 alkylene group, [2] according Pharmaceutical composition.
  • L 2 represents a single bond, an oxygen atom, or a divalent amino group represented by —NH—
  • L 3 represents a single bond or a linear or branched C 1-6 alkylene group which may be substituted
  • R 1 , R 2 and R 3 each independently represents an optionally substituted linear or branched C 1-4 alkyl group
  • R 4 is an optionally substituted linear or branched C 1-6 alkyl group, an optionally substituted C 3-6 cycloalkyl group, an optionally substituted C 6-10 aryl group, or
  • R 5 represents a hydrogen atom, an optionally substituted linear or branched C 1-16 alkyl group, an optionally substituted C 3-6 cycloalkyl group, or an optionally substituted C 6-10 aryl group.
  • a pharmaceutical composition for treating or preventing atopic dermatitis comprising a compound represented by the formula: or a pharmacologically acceptable salt thereof.
  • a pharmaceutical composition for treating or preventing atopic dermatitis comprising a compound represented by the formula: or a pharmacologically acceptable salt thereof.
  • L 2 is a divalent group represented by -NH-, L 3 indicates a straight chain may be substituted or branched C 1-6 alkylene group, [5] according Pharmaceutical composition.
  • L 2 represents a single bond, an oxygen atom, or a divalent amino group represented by —NH—
  • L 3 represents a single bond or a linear or branched C 1-6 alkylene group which may be substituted
  • R 1 , R 2 and R 3 each independently represents an optionally substituted linear or branched C 1-4 alkyl group
  • R 4 is an optionally substituted linear or branched C 1-6 alkyl group, an optionally substituted C 3-6 cycloalkyl group, an optionally substituted C 6-10 aryl group, or
  • R 5 represents a hydrogen atom, an optionally substituted linear or branched C 1-16 alkyl group, an optionally substituted C 3-6 cycloalkyl group, or an optionally substituted C 6-10 aryl group.
  • a pharmaceutical composition for treating or preventing atopic dermatitis comprising a compound represented by the formula: or a pharmacologically acceptable salt thereof.
  • L 2 is a divalent group represented by -NH-, L 3 indicates a straight chain may be substituted or branched C 1-6 alkylene group, [8] described Pharmaceutical composition.
  • L 2 is a divalent group represented by -NH-
  • L 3 indicates a straight chain may be substituted or branched C 1-6 alkylene group, [11] according Pharmaceutical composition.
  • a pharmaceutical composition for treating or preventing atopic dermatitis comprising pyrazol-3-yl ⁇ -1- (trimethylsilyl) cyclobutanecarboxamide or a pharmaceutically acceptable salt thereof.
  • a pharmaceutical composition for treating or preventing atopic dermatitis comprising pyrazole-5 (1H) -carboxamide or a pharmacologically acceptable salt thereof.
  • Treatment or prevention of atopic dermatitis comprising administering the compound according to any one of [1] to [33] or a pharmacologically acceptable salt thereof to a subject in need thereof.
  • Specific examples of the compound represented by the general formula (I) of the present invention include compounds shown in Tables 1 to 20 below.
  • Me represents a methyl group
  • Et represents an ethyl group
  • nPr represents an n-propyl group
  • iPr represents an isopropyl group
  • cPr represents a cyclopropyl group
  • nBu represents n -Butyl group
  • iBu represents isobutyl group
  • tBu represents tert-butyl group
  • cHex represents cyclohexyl group
  • Ph represents phenyl group
  • 2-F-Ph represents 2-fluorophenyl group
  • 3-F-Ph represents 3-fluorophenyl group
  • 4-F-Ph represents 4-fluorophenyl group
  • 2-Cl-Ph represents 2-chlorophenyl group
  • 3-Cl-Ph represents 3-chlorophenyl group
  • 4-Cl-Ph represents a 4-chloroph
  • CH 2 (CMe) 2 corresponding to L 3 is bonded to a carbon atom to which a methylene carbon atom (CH 2 ) is marked with “*”, and a dimethylmethylene carbon atom ( CMe) 2 means bonded to the oxygen atom adjacent to R 5 .
  • novel substituted dihydropyrrolopyrazole compound having a specific structure represented by the general formula (I) of the present invention or a pharmacologically acceptable salt thereof has excellent CDK7 inhibitory activity, kinase inhibition, when the compound itself or its metabolite is excellent. High selectivity for action and excellent safety. Therefore, the pharmaceutical composition containing the compound represented by the general formula (I) or a pharmacologically acceptable salt thereof is useful as a therapeutic and / or prophylactic agent for atopic dermatitis.
  • the “prodrug” means a compound or a salt thereof that undergoes a metabolic reaction to produce a compound having a CDK7 inhibitory action when administered into an animal body.
  • One embodiment of the present invention is a pharmaceutical composition for treating or preventing atopic dermatitis comprising a compound represented by the general formula (I) or a pharmaceutically acceptable salt thereof.
  • R's each independently represent a C 1-3 alkyl group, or a group bonded to each other to form a C 2-5 alkylene group
  • L 2 represents a single bond, an oxygen atom, or a divalent amino group represented by —NH—
  • L 3 represents a single bond or a linear or branched C 1-6 alkylene group which may be substituted
  • R 1 , R 2 and R 3 each independently represents an optionally substituted linear or branched C 1-4 alkyl group
  • R 4 is an optionally substituted linear or branched C 1-6 alkyl group, an optionally substituted C 3-6 cycloalkyl group, an optionally substituted C 6-10 aryl group, or
  • R 5 represents a hydrogen atom, an optionally substituted linear or branched C 1-16 alkyl group, an optionally substituted C 3-6 cycloalkyl group, or an optionally substituted C 6-10 aryl group.
  • an optionally substituted heterocyclic group R 5 represents a hydrogen
  • the term “may be substituted” means that the group may be unsubstituted or further substituted with a substituent.
  • the above substituent means a monovalent group, for example, a linear or branched C 1-6 alkyl group, a C 3-6 cycloalkyl group, a linear or branched C 2-6 alkenyl group, a C 3-6 cyclo An alkenyl group, a linear or branched C 2-6 alkynyl group, a C 1-6 alkoxy group, a halogen atom, a hydroxyl group, a cyano group, an oxo group ( ⁇ O), an amino group, a C 1-6 alkylamino group, a nitro group, Carboxy group (—COOH), carbamoyl group (—CONH 2 ), N-mono C 1-6 alkylcarbamoyl group, N, N-diC 1-6 alkylcarbamoyl group, C 1-6 alkanoyloxy group (—OCOR, R is C 1-6 alkyl group), C 6-10 aryl group, a heterocyclic group,
  • the above substituents may be further substituted with a halogen atom, a hydroxyl group, an amino group, a cyano group, an oxo group ( ⁇ O), a linear or branched C 1-6 alkyl group, and the like.
  • a halogen atom a hydroxyl group, an amino group, a cyano group, an oxo group ( ⁇ O), a linear or branched C 1-6 alkyl group, and the like.
  • the substituent is an amino group or a carboxy group, it may be in the form of a salt thereof.
  • the two substituents may be bonded to each other to form a cyclic structure.
  • examples of the case where two substituents are bonded to each other to form a cyclic structure include a cyclopropyl group, a cyclobutyl group, and a methylenedioxy group.
  • the substituent is a 1,3-benzodioxole group, which has two methyl groups on the same carbon atom of the 1,2-ethylene group.
  • the group When bonded to each other, the group becomes a group represented by the following formula (M-1) or (M-2), and has a methyl group and an ethyl group on the same carbon atom of the 1,2-ethylene group.
  • the group When the 2-position of the ethyl group is bonded to the methyl group, the group is a group represented by the following formula (N-1) or (N-2).
  • the linear or branched C 1-6 alkyl group described in the present specification means a linear or branched alkyl group having 1 to 6 carbon atoms.
  • Examples of linear or branched C 1-6 alkyl groups include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, pentyl, isopentyl, and neopentyl.
  • the Substituent is preferably a methyl group, an ethyl group, a propyl group, an isopropyl group, butyl group, isobutyl group, sec- butyl group, a tert- butyl group.
  • Examples of the C 1-6 alkyl group substituted with a halogen atom include a chloromethyl group, a bromomethyl group, an iodomethyl group, a difluoromethyl group, a dichloromethyl group, a dibromomethyl group, a diiodomethyl group, a trifluoromethyl group, and a trichloromethyl group.
  • Examples include a til group, 1-fluoro-1-methylethyl group, 4-fluorobutyl group, perfluorobutyl group, 5-fluoropentyl group, perfluoropentyl group, 6-fluorohex
  • the C 1-6 alkyl group substituted with an aryl group may be, for example, a C 7-11 aralkyl group.
  • the C 7-11 aralkyl group means an alkyl group having an aryl group having a total carbon number of 7 to 11, and examples thereof include a benzyl group, a phenylethyl group, and a naphthylmethyl group.
  • the C 3-6 cycloalkyl group described in the present specification means a cyclic alkyl group having 3 to 6 carbon atoms.
  • Examples of the C 3-6 cycloalkyl group include monocyclic rings such as cyclopropyl group, cyclobutyl group, cyclopentyl group, and cyclohexyl group; condensed rings such as bicyclo [3.1.0] hexyl group; spiro [2.3] Spiro rings such as a hexyl group can be mentioned.
  • the substituent is preferably a cyclopropyl group or a cyclobutyl group.
  • the linear or branched C 2-6 alkenyl group described herein means a linear or branched alkenyl group having 2 to 6 carbon atoms.
  • Examples of the linear or branched C 2-6 alkenyl group include a vinyl group, a propen-1-yl group, a propen-2-yl group, a 1-butenyl group, a 2-butenyl group, a 3-butenyl group, and 1-methyl.
  • -1-propenyl group 2-methyl-1-propenyl group, 1-pentenyl group, 2-pentenyl group, 3-pentenyl group, 4-pentenyl group, 5-pentenyl group, 1-methyl-1-butenyl group, 2 -Methyl-1-butenyl group, 3-methyl-1-butenyl group, 4-methyl-1-butenyl group, 1-methyl-2-butenyl group, 2-methyl-2-butenyl group, 3-methyl-2- Butenyl group, 4-methyl-2-butenyl group, 1-methyl-3-butenyl group, 2-methyl-3-butenyl group, 3-methyl-3-butenyl group, 4-methyl-3-butenyl group, 1, 2-dimethyl-1-p Examples include an alkenyl group such as a lopenyl group, a 1-hexenyl group, a 2-hexenyl group, a 3-hexenyl group, a 4-hexenyl group, a 5-hexenyl group
  • the C 3-6 cycloalkenyl group described herein means a cycloalkenyl group having 3 to 6 carbon atoms.
  • Examples of the C 3-6 cycloalkenyl group include a cyclopropenyl group, a cyclobutenyl group, a cyclopentenyl group, and a cyclohexenyl group.
  • the C 2-6 alkynyl group described herein means an alkynyl group having 2 to 6 carbon atoms.
  • Examples of the C 2-6 alkynyl group include an ethynyl group, a propargyl group, a butynyl group, a pentynyl group, and a hexynyl group.
  • the C 1-6 alkoxy group described herein includes an oxy group (—O—) and a linear or branched C 1-6 alkyl group bonded to the oxy group, or a C 3-6 cycloalkyl group.
  • Examples of the C 1-6 alkoxy group include a methoxy group, ethoxy group, propyloxy group, isopropyloxy group, cyclopropyloxy group, butoxy group, cyclobutyloxy group, pentyloxy group, cyclopentyloxy group, hexyloxy group, A cyclohexyloxy group is mentioned.
  • the C 1-6 alkylamino group described herein is substituted with one or two independently selected linear or branched C 1-6 alkyl groups or C 3-6 cycloalkyl groups. Means an amino group formed.
  • Examples of the C 1-6 alkylamino group include a methylamino group, an ethylamino group, a propylamino group, an isopropylamino group, a cyclopropylamino group, a butoxy group, a cyclobutylamino group, a pentylamino group, a cyclopentylamino group, and hexyl.
  • Examples thereof include an amino group, a cyclohexylamino group, a dimethylamino group, a diethylamino group, an ethylmethylamino group, an isopropylmethylamino group, and a cyclopropylmethylamino group.
  • the halogen atom described in this specification means a fluorine atom, a chlorine atom, a bromine atom or an iodine atom.
  • the C 6-10 aryl group described in the present specification means an aryl group having 6 to 10 carbon atoms.
  • Examples of the C 6-10 aryl group include a phenyl group and a naphthyl group.
  • the heterocyclic group described in the present specification means a cyclic group having at least one nitrogen atom, oxygen atom or sulfur atom, which may be an aromatic heterocyclic group or a non-aromatic heterocyclic group. Also good.
  • aromatic heterocyclic groups include pyridine, pyrimidine, pyridazine, pyrazine, triazine, pyrrole, imidazole, pyrazole, indole, indazole, furan, benzofuran, thiophene, benzo Examples include thiophene group, thiazole group, isothiazole group, oxazole group, isoxazole group and oxadiazole group.
  • the non-aromatic heterocyclic group include a pyrrolidinyl group, a piperidinyl group, a piperazinyl group, a morpholinyl group, and a thiomorpholinyl group.
  • the C 6-10 aryloxy group described herein means a group consisting of an oxy group (—O—) and the above C 6-10 aryl group bonded to the oxy group.
  • Examples of the C 6-10 aryloxy group include phenyloxy group, 1-naphthyloxy group, 2-naphthyloxy group and the like.
  • the C 7-12 aralkyl group described in the present specification means the above C 1-6 alkyl group substituted by the above C 6-10 aryl group.
  • Examples of the C 7-12 aralkyl group include a benzyl group, a phenylethyl group, a naphthylmethyl group, and a naphthylethyl group.
  • the C 7-12 aralkyloxy group described herein means a group consisting of an oxy group (—O—) and the C 7-12 aralkyl group bonded to the oxy group.
  • Examples of the C 7-12 aralkyloxy group include a benzyloxy group, a phenylethyloxy group, a naphthylmethyloxy group, and a naphthylethyloxy group.
  • the C 1-3 alkyl group as R is an alkyl group having 1 to 3 carbon atoms, and corresponds to one having 1 to 3 carbon atoms among the above C 1-6 alkyl groups.
  • Examples of the C 1-3 alkyl group include a methyl group, an ethyl group, a propyl group, and an isopropyl group.
  • C 2 bind two R each other - 5
  • the groups form an alkylene group of the C 1-6 alkyl group
  • a C 2-5 alkyl group corresponds to that of 2 to 5 carbon atoms Further, it means a divalent group formed by removing one hydrogen atom.
  • C 2-5 alkylene group includes 1,2-ethylene group, 1,2-propylene group, 1,3-propylene group, 1,2-butylene group, 1,3-butylene group, 1,4-butylene group 2,3-butylene group, 1,2-pentylene group, 1,3-pentylene group, 1,4-pentylene group, 1,5-pentylene group, 2,3-pentylene group, 2,4-pentylene group Can be mentioned.
  • the straight chain or branched C 1-6 alkylene group as L 3 means a divalent group obtained by removing one hydrogen atom from the C 1-6 alkyl group.
  • Examples of the C 1-6 alkylene group include a methylene group, 1,1-ethylene group, 1,2-ethylene group, 1,1-propylene group, 1,2-propylene group, 2,2-propylene group, , 3-propylene group.
  • Straight or branched C 1-4 alkyl group as R 1, R 2 or R 3 is a linear or branched alkyl group having 1 to 4 carbon atoms, among the above C 1-6 alkyl group, carbon number 1 It corresponds to the thing of thru
  • the linear or branched C 1-6 alkyl group, C 3-6 cycloalkyl group, C 6-10 aryl group and heterocyclic group as R 4 are defined in the same manner as the above substituents.
  • the linear or branched C 1-16 alkyl group as R 5 means an alkyl group having 1 to 16 carbon atoms.
  • Examples of the linear or branched C 1-16 alkyl group include a methyl group, an ethyl group, a propyl group, a butyl group, an isobutyl group, a pentyl group, an isopentyl group, a neopentyl group, a hexyl group, a heptyl group, an octyl group, and a nonyl group.
  • C 1-16 alkyl groups such as decyl group, undecyl group, dodecyl group, tridecyl group, tetradecyl group, pentadecyl group, hexadecyl group and the like.
  • the C 3-6 cycloalkyl group, C 6-10 aryl group and heterocyclic group as R 5 are defined in the same manner as the above substituents.
  • the compound according to this embodiment may be a compound represented by any one of the general formula (II), general formula (III), or general formula (IV).
  • L 2 , L 3 , R 1 , R 2 , R 3 , R 4 and R 5 are the same as in general formula (I). Defined in
  • L 2 may be a divalent amino group represented by an oxygen atom or -NH-,.
  • L 3 may be a single bond or an optionally substituted linear or branched C 1-6 alkylene group.
  • L 2 and L 3 in the general formulas (I) to (IV) preferably, L 2 and L 3 are a single bond, or L 2 is a divalent amino group represented by —NH—. And L 3 is a linear or branched C 1-6 alkylene group which may be substituted.
  • R 1 , R 2 and R 3 may each independently be a linear or branched C 1-4 alkyl group which may be substituted.
  • R 4 represents a hydrogen atom, an optionally substituted linear or branched C 1-6 alkyl group, an optionally substituted C 3-6 cycloalkyl group, an optionally substituted C 6-10 aryl group Alternatively, it may be an optionally substituted heterocyclic group.
  • R 5 represents a hydrogen atom, an optionally substituted linear or branched C 1-16 alkyl group, an optionally substituted C 3-6 cycloalkyl group, or an optionally substituted C 6-10 aryl group. Or a heterocyclic group which may be substituted.
  • L 2 is a single bond or a divalent amino group represented by —NH—
  • L 3 may be a single bond or substituted.
  • a linear or branched C 1-6 alkylene group, R 1 , R 2 and R 3 are each independently an optionally substituted linear or branched C 1-4 alkyl group, and R 4 is An optionally substituted linear or branched C 1-6 alkyl group, an optionally substituted C 6-10 aryl group or an optionally substituted heterocyclic group
  • R 5 is a hydrogen atom, substituted A linear or branched C 1-16 alkyl group which may be substituted, or a C 3-6 cycloalkyl group which may be substituted.
  • L 2 and L 3 are a single bond, and R 1 , R 2 and R 3 may each independently be substituted.
  • a linear or branched C 1-4 alkyl group, and R 4 is an optionally substituted linear or branched C 1-6 alkyl group, an optionally substituted C 6-10 aryl group, or a substituted
  • R 5 is a hydrogen atom, an optionally substituted linear or branched C 1-16 alkyl group, or an optionally substituted C 3-6 cycloalkyl group.
  • L 2 is a divalent amino group represented by —NH—
  • L 3 is a linear chain which may be substituted.
  • R 1 , R 2 and R 3 are each independently a linear or branched C 1-4 alkyl group which may be substituted
  • R 4 is a substituted A linear or branched C 1-6 alkyl group which may be substituted, a C 6-10 aryl group which may be substituted or a heterocyclic group which may be substituted
  • R 5 is a hydrogen atom, substituted It may be a linear or branched C 1-16 alkyl group, or an optionally substituted C 3-6 cycloalkyl group.
  • L 2 is a single bond or a divalent amino group represented by —NH—
  • L 3 may be a single bond or a substituted group.
  • Good linear or branched C 1-6 alkylene group, R 1 , R 2 and R 3 are each independently a linear or branched C 1-4 alkyl group, and R 4 may be substituted A good linear or branched C 1-6 alkyl group, an optionally substituted C 6-10 aryl group or an optionally substituted heterocyclic group
  • R 5 is a hydrogen atom, linear or branched C 1 A -16 alkyl group, a halogen atom, an oxo group, or a linear or branched C 1-16 alkyl group substituted with a linear or branched C 1-6 alkyl group, or C optionally substituted with a halogen atom 3-6 cycloalkyl It is a group.
  • L 2 and L 3 are preferably a single bond, and R 1 , R 2 and R 3 are each independently a straight-chain or branched C 1-4 alkyl group, and R 4 is an optionally substituted linear or branched C 1-6 alkyl group, an optionally substituted C 6-10 aryl group, or an optionally substituted heterocyclic ring R 5 represents a linear or branched C 1 substituted with a hydrogen atom, a linear or branched C 1-16 alkyl group, a halogen atom, an oxo group, or a linear or branched C 1-6 alkyl group.
  • a -16 alkyl group or a C 3-6 cycloalkyl group optionally substituted with a halogen atom;
  • L 2 is a divalent amino group represented by —NH—
  • L 3 is an optionally substituted amino group.
  • a chain or branched C 1-6 alkylene group, R 1 , R 2 and R 3 are each independently a straight chain or branched C 1-4 alkyl group, and R 4 is an optionally substituted A chain or branched C 1-6 alkyl group, an optionally substituted C 6-10 aryl group or an optionally substituted heterocyclic group, and R 5 is a hydrogen atom, linear or branched C 1-16 An alkyl group, a halogen atom, an oxo group, or a linear or branched C 1-16 alkyl group substituted with a linear or branched C 1-6 alkyl group, or a C 3- optionally substituted with a halogen atom With 6 cycloalkyl groups is there.
  • L 2 represents a single bond or a divalent group represented by -NH-
  • L 3 represents a single bond, or the following formula A group represented by (O-1), (O-2), (M-2) or (N-1), wherein R 1 , R 2 and R 3 are each independently a linear or branched C 1-4 alkyl group, R 4 is an optionally substituted phenyl group or thienyl group, R 5 is a hydrogen atom, a linear or branched C 1-16 alkyl group, substituted with a halogen atom Straight chain or branched C 1-16 alkyl group or C 3-6 cycloalkyl group.
  • the chemical structure represented by the formula (O-1) is also referred to as “C (Me) 2 CH 2 ”
  • the chemical structure represented by the formula (O-2) is represented by “CH 2 C ( Me) 2 ”
  • the chemical structure represented by the formula (M-2) is also referred to as“ CH 2 -1,1-cyclopropylene ”
  • the chemical structure represented by the formula (N-1) is“ 1, ” Also referred to as “1-cyclobutylene-CH 2 ”.
  • L 2 is particularly preferably a divalent amino group represented by —NH—
  • L 3 represents the above formula (O-1), A group represented by (O-2), (M-2) or (N-1), wherein R 1 , R 2 and R 3 are each independently a linear or branched C 1-4 alkyl group
  • R 4 is an optionally substituted phenyl group or thienyl group
  • R 5 is a hydrogen atom, a linear or branched C 1-16 alkyl group, a linear or branched group substituted with a halogen atom A C 1-16 alkyl group or a C 3-6 cycloalkyl group
  • R 1 , R 2 and R 3 are each independently a linear or branched C 1-4 alkyl group
  • R 4 is an optionally substituted phenyl group or thienyl group
  • R 5 is a hydrogen atom, a linear or branched C 1-16 alkyl group, a linear or branched group substituted with a halogen
  • R 5 is substituted with an oxo group
  • the oxo group and R 5 are A compound in which an oxygen atom to be bonded forms an ester bond or an alkylene group in which R 5 is substituted with a substituent containing an oxygen atom as represented by the general formula (VI), and the oxygen atom and R 5
  • a compound in which an acetal group containing an oxygen atom to which is bonded can be a compound that acts as a prodrug.
  • Compound (V) or Compound (VI) tends to be superior in oral absorption and skin permeability, and can yield Compound (I) (wherein R 5 is a hydrogen atom) by metabolism.
  • R, R 1 , R 2 , R 3 , R 4 , L 2 and L 3 are defined in the same manner as in the general formula (I).
  • R 6 represents a hydrogen atom, an optionally substituted linear or branched C 1-15 alkyl group, an optionally substituted C 3-6 cycloalkyl group, or an optionally substituted C 1-6 alkoxy group.
  • R 8 and R 9 each independently represents a hydrogen atom or a C 1-4 alkyl group. .
  • R 7 is a linear or branched C 1-15 alkyl group which may have a substituent, an optionally substituted C 3-6 cycloalkyl group, an optionally substituted C 6-10 aryl group, Or the heterocyclic group which may be substituted is shown.
  • the linear or branched C 1-15 alkyl group, the C 3-6 cycloalkyl group, the C 6-10 aryl group, and the heterocyclic group as R 6 or R 7 , and the substituents that replace them are represented by the general formula Defined similarly to the groups in (I) to (IV).
  • R 6 may be a linear or branched C 1-15 alkyl group which may be substituted, or a C 6-10 aryl group which may be substituted.
  • R 7 may be an optionally substituted straight chain or branched C 1-16 alkyl group.
  • L 2 and L 3 in the general formula (V) and the general formula (VI) preferably L 2 is a divalent amino group represented by —NH—, and L 3 may be substituted. Good linear or branched C 1-6 alkylene group.
  • two Rs are groups bonded to each other to form a 1,2-ethylene group or a 1,3-propylene group
  • L 2 is a single bond
  • L 3 is a single bond or a linear or branched C 1-6 alkylene group which may be substituted
  • R 1 , R 2 and R 3 is each independently a linear or branched C 1-4 alkyl group which may be substituted
  • R 4 is a linear or branched C 1-6 alkyl group which may be substituted
  • R 6 is an optionally substituted linear or branched C 1-15 alkyl group.
  • two Rs are a group bonded to each other to form a 1,2-ethylene group or a 1,3-propylene group
  • L 2 is a group represented by — A divalent amino group represented by NH—
  • L 3 is an optionally substituted linear or branched C 1-6 alkylene group
  • R 1 , R 2 and R 3 are each independently ,
  • R 4 is an optionally substituted linear or branched C 1-6 alkyl group, optionally substituted C 6- A 10 aryl group or an optionally substituted heterocyclic group
  • R 6 is an optionally substituted linear or branched C 1-15 alkyl group.
  • R 2 is represented by a single bond or —NH—.
  • a divalent amino group L 3 is a single bond or an optionally substituted linear or branched C 1-6 alkylene group
  • R 1 , R 2 and R 3 are each independently
  • R 4 is an optionally substituted linear or branched C 1-4 alkyl group
  • R 4 is an optionally substituted linear or branched C 1-6 alkyl group, optionally substituted C 6-10.
  • R 6 is an optionally substituted linear or branched C 1-15 alkyl group.
  • two Rs are groups that are bonded to each other to form a 1,3-propylene group
  • L 2 is a group represented by —NH—.
  • L 3 is a linear or branched C 1-6 alkylene group which may be substituted
  • R 1 , R 2 and R 3 may each independently be substituted.
  • a linear or branched C 1-4 alkyl group, and R 4 is an optionally substituted linear or branched C 1-6 alkyl group, an optionally substituted C 6-10 aryl group, or a substituted group.
  • An optionally substituted heterocyclic group, and R 6 is an optionally substituted linear or branched C 1-15 alkyl group.
  • two Rs are groups that are bonded to each other to form a 1,2-ethylene group or a 1,3-propylene group, and L 2 is a single bond, or A divalent amino group represented by —NH—, L 3 is a single bond or a linear or branched C 1-6 alkylene group which may be substituted, and R 1 , R 2 and R 3 is each independently a linear or branched C 1-4 alkyl group which may be substituted; R 4 is a linear or branched C 1-6 alkyl group which may be substituted; An optionally substituted C 6-10 aryl group or an optionally substituted heterocyclic group, R 8 and R 9 are each independently a hydrogen atom or a C 1-4 alkyl group, and R 7 is A linear or branched C 1 which may have a substituent A -15 alkyl group or an optionally substituted C 3-6 cycloalkyl group;
  • two Rs are groups bonded to each other to form a 1,2-ethylene group or a 1,3-propylene group
  • L 2 is a group of a divalent group represented by NH-
  • L 3 is an optionally substituted straight or branched C 1-6 alkylene group
  • R 1, R 2 and R 3 are each independently
  • R 4 is an optionally substituted linear or branched C 1-6 alkyl group, optionally substituted C 6- 10 aryl group or an optionally substituted heterocyclic group
  • R 8 and R 9 are each independently a hydrogen atom or a C 1-4 alkyl group
  • R 7 has a substituent.
  • two Rs are a group bonded to each other to form a 1,3-propylene group
  • L 2 is represented by a single bond or —NH—.
  • a divalent amino group L 3 is a single bond or an optionally substituted linear or branched C 1-6 alkylene group
  • R 1 , R 2 and R 3 are each independently
  • R 4 is an optionally substituted linear or branched C 1-4 alkyl group
  • R 4 is an optionally substituted linear or branched C 1-6 alkyl group, optionally substituted C 6-10.
  • R 8 and R 9 are each independently a hydrogen atom or a C 1-4 alkyl group, and R 7 has a substituent.
  • two Rs are groups that are bonded to each other to form a 1,3-propylene group
  • L 2 is 2 represented by —NH—.
  • L 3 is a linear or branched C 1-6 alkylene group which may be substituted
  • R 1 , R 2 and R 3 may each independently be substituted.
  • a linear or branched C 1-4 alkyl group, and R 4 is an optionally substituted linear or branched C 1-6 alkyl group, an optionally substituted C 6-10 aryl group, or a substituted group.
  • R 8 and R 9 are each independently a hydrogen atom or a C 1-4 alkyl group, and R 7 is a linear or branched group optionally having a substituent. C 1-15 alkyl group or substituted A good C 3-6 cycloalkyl group.
  • the compound according to the present embodiment or a pharmacologically acceptable salt thereof is a compound selected from the following compound group or a pharmacologically acceptable salt thereof.
  • the compound according to the present embodiment or a pharmacologically acceptable salt thereof may be a single optically active substance or a mixture of a plurality of optically active substances.
  • the “pharmacologically acceptable salt” is not particularly limited as long as it is a pharmaceutically acceptable salt, and includes hydrochloric acid, hydrobromic acid, hydroiodic acid, nitric acid, sulfuric acid, phosphoric acid, and the like.
  • Salts with inorganic acids acetic acid, fumaric acid, maleic acid, succinic acid, citric acid, tartaric acid, adipic acid, lactic acid, trifluoroacetic acid and other organic carboxylic acids; methanesulfonic acid, trifluoromethanesulfonic acid, benzene Salts with organic sulfonic acids such as sulfonic acid, p-toluenesulfonic acid and naphthalenesulfonic acid; salts with alkali metals such as lithium, sodium and potassium; salts with alkaline earth metals such as calcium and magnesium; ammonia and morpholine , Glucosamine, ethylenediamine, guanidine, diethylamine, triethylamine, dicyclohexylamine, diethanolamine Quaternary ammonium salts such as piperazine and the like.
  • the compound according to this embodiment or a pharmacologically acceptable salt thereof can form a hydrate or a solvate, and each or a mixture thereof is included in the present invention.
  • the compound according to this embodiment may contain an unnatural proportion of atomic isotopes at one or more of the constituent atoms.
  • atomic isotope for example, deuterium ( 2 H), tritium ( 3 H), carbon-14 ( 14 C), fluorine-18 ( 18 F), sulfur-35 ( 35 S), or iodine-125 ( 125 I).
  • these compounds are useful as therapeutic or prophylactic agents, research reagents such as assay reagents, and diagnostic agents such as in vivo diagnostic imaging agents. All isotopic variations of the compounds according to this embodiment are encompassed by the present invention, whether radioactive or not.
  • the compound according to the present embodiment or a pharmacologically acceptable salt thereof may be an excipient, a lubricant, a binder, a disintegrant, a coating agent, a stabilizer, an isotonic agent, a buffer, if necessary.
  • a pH regulator, solubilizer, thickener, preservative, antioxidant, sweetener, colorant, fragrance and the like can be added and used as a pharmaceutical composition.
  • the pharmaceutical composition can be appropriately prepared according to the purpose by a known method described in, for example, the 16th revised Japanese Pharmacopoeia, General Rules for Preparations.
  • the content of the compound according to the present embodiment or a pharmacologically acceptable salt thereof in the pharmaceutical composition can be appropriately adjusted.
  • the pharmaceutical composition is, for example, a preparation for oral administration such as tablets, capsules, granules, powders, injections (for example, intravenous administration, subcutaneous administration, intramuscular administration, intraperitoneal administration), eye drops, nasal drops. , Suppositories, ointments, lotions, creams, gels, sprays, patches, inhalants, preparations for parenteral administration such as transdermal preparations, etc., as described in the 16th revised Japanese Pharmacopoeia It can be a dosage form.
  • Excipients include, for example, lactose, mannitol, starch, crystalline cellulose, light anhydrous silicic acid, calcium carbonate and calcium hydrogen phosphate, and lubricants include, for example, stearic acid, magnesium stearate and talc.
  • lubricants include, for example, stearic acid, magnesium stearate and talc.
  • the binder include starch, hydroxypropylcellulose, hydroxypropylmethylcellulose, and polyvinylpyrrolidone
  • examples of the disintegrant include carboxymethylcellulose, low-substituted hydroxypropylmethylcellulose, and calcium citrate.
  • the coating agent include hydroxypropyl methylcellulose, macrogol and silicone resin, and examples of the stabilizer include ethyl paraoxybenzoate and benzyl alcohol.
  • isotonic agents include glycerin, propylene glycol, sodium chloride, potassium chloride, sorbitol, mannitol and the like
  • buffering agents include boric acid, borate, phosphoric acid, phosphate, citric acid, Examples thereof include citrate, acetic acid, acetate, ⁇ -aminocaproic acid, trometamol and the like
  • pH adjusters include hydrochloric acid, citric acid, phosphoric acid, glacial acetic acid, sodium hydroxide, potassium hydroxide, sodium carbonate, Examples thereof include sodium hydrogen carbonate.
  • solubilizer examples include polysorbate 80, polyoxyethylene hydrogenated castor oil 60, macrogol 4000, purified soybean lecithin, polyoxyethylene (160) polyoxypropylene (30) glycol, and the like.
  • examples thereof include cellulose polymers such as hydroxypropylmethylcellulose and hydroxypropylcellulose, polyvinyl alcohol, and polyvinylpyrrolidone.
  • examples of the stabilizer include edetic acid, sodium edetate, and the like, and examples of the preservative include sorbic acid, potassium sorbate, benzalkonium chloride, benzethonium chloride, methyl paraoxybenzoate, propyl paraoxybenzoate. And chlorobutanol.
  • Ingredients that may be contained in the pharmaceutical composition for transdermal administration such as ointments, lotions, creams, gels, patches, and sprays include, for example, lauryl alcohol, myristyl alcohol, ethylene glycol salicylate, Absorption accelerators such as pyrothiodecane; fatty acid esters such as diisopropyl adipate, isopropyl myristate, cetyl lactate, myristyl lactate, isopropyl palmitate, diethyl sebacate, hexyl ralphosphate, cetyl isooctanoate; cetyl alcohol, stearyl alcohol, oleyl alcohol, Aliphatic alcohols such as hexadecyl alcohol and behenyl alcohol; glycols such as propylene glycol, propylene diol, polyethylene glycol and dipropylene glycol; sorbitan fat Surfactants such as ester, glycerin fatty acid ester, polyoxyethylene
  • the dose of the compound according to the present embodiment or a pharmacologically acceptable salt thereof can be appropriately changed depending on symptoms, age, dosage form and the like.
  • 0.01 to 2000 mg, preferably 1 to 500 mg per day can be administered once or divided into several times.
  • lotions, creams, or gels it is usually 0.00001% (w / v) to 10% (w / v), preferably 0.001% (w / v) to 5% ( One having a concentration of w / v) can be administered once or divided into several times.
  • the compound which concerns on this invention, or its pharmacologically acceptable salt is not limited to the compound manufactured by the following manufacturing methods, or its pharmacologically acceptable salt.
  • a partial structure for example, a hydroxy group, an amino group, a carbonyl group, a carboxyl group, an amide group, or a thiol group
  • the desired product can be obtained by introducing a protecting group into the partial structure to perform a desired reaction, and then removing the protecting group.
  • Compound (I) can be produced using compound (A) as a starting material by the following production methods 1 to 4, for example. In addition, the manufacturing method of a compound (A) is mentioned later.
  • Production method 1 is a method for producing compound (I) through steps 1 to 3 using compound (A) as a starting material.
  • Production method 1 is a preferred production method when L 2 is a divalent amino group represented by an oxygen atom or —NH—.
  • R, R 1 , R 2 , R 3 , R 4 , R 5 , L 2 and L 3 are defined in the same manner as in formula (I).
  • the P 1 group represents an amino-protecting group, and X represents a leaving group.
  • the P 1 group only needs to replace the acidic proton of pyrazole in the 4,6-dihydropyrrolo [3,4-c] pyrazole skeleton.
  • the P 1 group may be substituted at the 1-position of the 4,6-dihydropyrrolo [3,4-c] pyrazole skeleton or may be substituted at the 2-position.
  • the compound (A) will be described using a chemical formula substituted at the 1-position of the 4,6-dihydropyrrolo [3,4-c] pyrazole skeleton.
  • the P 1 group is not particularly limited as long as it is a substituent known to those skilled in the art as an amino-protecting group.
  • Examples of the P 1 group include an optionally substituted C 7-11 aralkyl group such as benzyl group, p-methoxyphenylmethyl group, o-nitrophenylmethyl group; acetyl group, trifluoroacetyl group, benzoyl group, etc.
  • An optionally substituted acyl group methoxycarbonyl group, ethoxycarbonyl group, Boc group (tert-butoxycarbonyl group), Cbz group (benzyloxycarbonyl group), Fmoc group (fluorenylmethyloxycarbonyl group), Teoc
  • C 1-6 alkoxycarbonyl group such as a trimethylsilylethyloxycarbonyl group; an alkenyloxycarbonyl group such as an Alloc group (allyloxycarbonyl group); an alkylsulfonyl group such as a methanesulfonyl group; C 6- such as toluenesulfonyl group A 10 arylsulfonyl group.
  • the X group is not particularly limited as long as it is a substituent known to those skilled in the art as a leaving group.
  • Examples of X include a halogen atom; an imidazolyl group; an aminooxy group such as a succinyl-N-oxy group and a benzotriazolyl-N-oxy group; and an acyloxy group such as a pivaloyloxy group and a benzoyloxy group.
  • X may be a hydroxyl group.
  • Step 1 is a step of obtaining compound (B) by reacting compound (A) with an acylating agent.
  • acylating agent for example, phosgene, diphosgene, triphosgene, carbonyldiimidazole (CDI), N, N′-disuccinimidyl carbonate, carbonate ester and the like can be used.
  • the amount of the acylating agent to be used is preferably 0.4 to 3.0 mol, more preferably 0.7 to 1.5 mol, per 1 mol of compound (A).
  • Step 1 may be performed in a solvent or without a solvent.
  • a solvent there is no limitation as long as the solvent does not affect the reaction, and an organic solvent is preferable.
  • the organic solvent include dichloromethane, 1,2-dichloroethane, diethyl ether, 1,2-dimethoxyethane, tetrahydrofuran (THF), N, N-dimethylformamide (DMF), and dimethyl sulfoxide (DMSO).
  • Step 1 can further add a base to promote the reaction.
  • a base examples include triethylamine, diisopropylethylamine (DIPEA), 1,5-diazabicyclo [4.3.0] nonene (DBN), 1,8-diazabicyclo [5.4.0] undecene (DBU), pyridine, And organic amines such as 4-dimethylaminopyridine (DMAP).
  • the amount of the base to be added is preferably 1 to 10 mol, more preferably 3 to 6 mol, relative to 1 mol of the compound (A).
  • the reaction temperature in step 1 can be appropriately set by those skilled in the art.
  • the reaction temperature is usually ⁇ 100 to ⁇ 20 ° C., preferably ⁇ 80 to ⁇ 60 ° C.
  • Step 2 is a step in which compound (B) and compound (C) are reacted to obtain compound (D).
  • the L 2 group is an oxygen atom or a divalent amino group represented by —NH—. That is, the compound (C) is an alcohol or an amine.
  • the amount of compound (C) to be used is preferably 1 to 20 mol, more preferably 2 to 5 mol, per 1 mol of compound (B).
  • Compound (C) and compound (B) may be dissolved in an organic solvent and added to the reaction solution.
  • Step 2 may be performed in a solvent or without a solvent.
  • a solvent there is no limitation as long as the solvent does not affect the reaction, and an organic solvent is preferable.
  • the organic solvent include dichloromethane, 1,2-dichloroethane, diethyl ether, 1,2-dimethoxyethane, tetrahydrofuran (THF), 1,4-dioxane, N, N-dimethylformamide (DMF), and dimethyl sulfoxide (DMSO).
  • THF tetrahydrofuran
  • DMF 1,4-dioxane
  • N, N-dimethylformamide (DMF) dimethyl sulfoxide
  • DMSO dimethyl sulfoxide
  • Step 2 can further add a base to promote the reaction.
  • a base examples include triethylamine, diisopropylethylamine (DIPEA), 1,5-diazabicyclo [4.3.0] nonene (DBN), 1,8-diazabicyclo [5.4.0] undecene (DBU), pyridine, Organic amines such as 4-dimethylaminopyridine (DMAP); inorganic bases such as potassium carbonate and sodium carbonate.
  • DIPEA diisopropylethylamine
  • DBN 1,5-diazabicyclo [4.3.0] nonene
  • DBU 1,8-diazabicyclo [5.4.0] undecene
  • pyridine Organic amines such as 4-dimethylaminopyridine (DMAP); inorganic bases such as potassium carbonate and sodium carbonate.
  • the amount of the base to be added is preferably 1 to 20 mol, more preferably 2 to 5 mol, per 1 mol of the compound (A).
  • the reaction temperature in step 2 can be appropriately set by those skilled in the art.
  • the reaction temperature is usually 0 to 120 ° C., preferably 25 to 100 ° C.
  • Step 3 is a step for producing compound (I) by removing P 1 group of compound (D).
  • the reaction conditions in step 3 can be appropriately selected by those skilled in the art depending on the type of P 1 group used.
  • the P 1 group when it is an aralkyl group, it may be carried out by hydrogenolysis or using a protonic acid or a Lewis acid.
  • the P 1 group is a Boc group, the treatment can be performed by treatment with a proton acid or a Lewis acid.
  • the P 1 group is a Cbz group, the treatment can be performed by hydrogenolysis or treatment with a base.
  • a reagent that generates fluoride ions such as tetrabutylammonium fluoride can be used.
  • the P 1 group is an alkoxycarbonyl group such as a methoxycarbonyl group or an ethoxycarbonyl group
  • an organic amine such as triethylamine or diisopropylethylamine (DIPEA) or an inorganic base such as potassium carbonate or sodium carbonate
  • DIPEA diisopropylethylamine
  • an inorganic base such as potassium carbonate or sodium carbonate
  • Compound (I) obtained by Step 3 can be converted into a pharmacologically acceptable salt thereof by a method well known to those skilled in the art.
  • Production method 2 is a method in which compound (C) is used as a starting material, compound (D) is obtained through steps 4 and 5, and then converted into compound (I) according to step 3 of production method 1 above.
  • Production method 2 is a preferred production method when L 2 is a divalent amino group represented by an oxygen atom or —NH—.
  • R, R 1 , R 2 , R 3 , R 4 , R 5 , L 2 , L 3 , P 1 and X are defined in the same manner as in Production Method 1 above.
  • Step 4 is a step of obtaining compound (E) by reacting compound (C) with an acylating agent.
  • the L 2 group is a divalent amino group represented by an oxygen atom or —NH—. That is, the compound (C) is an alcohol or an amine.
  • acylating agent for example, phosgene, diphosgene, triphosgene, carbonyldiimidazole (CDI), N, N′-disuccinimidyl carbonate, carbonate ester and the like can be used.
  • the amount of the acylating agent to be used is preferably 1 to 5 mol, more preferably 1 to 2 mol, per 1 mol of compound (C).
  • Step 4 may be performed in a solvent or without a solvent.
  • a solvent there is no limitation as long as the solvent does not affect the reaction, and an organic solvent is preferable.
  • the organic solvent include acetonitrile, dichloromethane, diethyl ether, tetrahydrofuran (THF), N, N-dimethylformamide (DMF), and dimethyl sulfoxide (DMSO).
  • Step 4 can further add a base to promote the reaction.
  • a base examples include triethylamine, diisopropylethylamine (DIPEA), 1,5-diazabicyclo [4.3.0] nonene (DBN), 1,8-diazabicyclo [5.4.0] undecene (DBU), pyridine, And organic amines such as 4-dimethylaminopyridine (DMAP).
  • the amount of the base to be added is preferably 1 to 5 mol, more preferably 1 to 2 mol, relative to 1 mol of the compound (C).
  • the reaction temperature in step 4 can be appropriately set by those skilled in the art.
  • the reaction temperature is usually 0 to 100 ° C., preferably 20 to 40 ° C.
  • Step 5 is a step of obtaining compound (D) by reacting compound (E) with compound (A).
  • the amount of compound (E) to be used is preferably 1 to 5 mol, more preferably 1 to 2 mol, per 1 mol of compound (A).
  • Compound (E) and compound (A) may be dissolved in an organic solvent and added to the reaction solution.
  • Step 5 may be performed in a solvent or without a solvent.
  • a solvent there is no limitation as long as the solvent does not affect the reaction, and an organic solvent is preferable.
  • the organic solvent include dichloromethane, diethyl ether, tetrahydrofuran (THF), N, N-dimethylformamide (DMF), and dimethyl sulfoxide (DMSO).
  • Step 5 can further add a base to promote the reaction.
  • a base examples include triethylamine, diisopropylethylamine (DIPEA), 1,5-diazabicyclo [4.3.0] nonene (DBN), 1,8-diazabicyclo [5.4.0] undecene (DBU), pyridine, And organic amines such as 4-dimethylaminopyridine (DMAP).
  • the amount of the base to be added is preferably 1 to 10 mol, more preferably 1 to 5 mol, relative to 1 mol of the compound (A).
  • the reaction temperature in step 5 can be appropriately set by those skilled in the art.
  • the reaction temperature is usually 0 to 100 ° C., preferably 20 to 40 ° C.
  • Production method 3 is a method in which compound (A) and compound (F) are reacted to obtain compound (D), and then converted to compound (I) according to step 3 of production method 1 described above.
  • Production method 3 is a preferred production method when L 2 is a single bond.
  • R, R 1 , R 2 , R 3 , R 4 , R 5 , L 2 , L 3 and P 1 are defined in the same manner as in Production Method 1 above.
  • Step 6 is a step of condensing compound (A) and compound (F) to obtain compound (D).
  • the compound (F) is converted into an acid halide, carboxylic acid anhydride, acid azide, or active ester using a reagent used in the amide bond forming reaction, and then reacted with the compound (A).
  • the reagent used for the amide bond forming reaction is not particularly limited as long as it is known to those skilled in the art as a reagent used for the amide bond forming reaction.
  • the amount of compound (F) to be used is preferably 1 to 10 mol, more preferably 1 to 5 mol, per 1 mol of compound (A).
  • Compound (F) may be dissolved in an organic solvent and added to the reaction solution.
  • Step 6 may be performed in a solvent or without a solvent.
  • a solvent there is no limitation as long as the solvent does not affect the reaction, and an organic solvent is preferable.
  • the organic solvent include dichloromethane, 1,2-dichloroethane, diethyl ether, tetrahydrofuran (THF), N, N-dimethylformamide (DMF), and dimethyl sulfoxide (DMSO).
  • Step 6 can further add a base to promote the reaction.
  • a base examples include triethylamine, diisopropylethylamine (DIPEA), 1,5-diazabicyclo [4.3.0] nonene (DBN), 1,8-diazabicyclo [5.4.0] undecene (DBU), pyridine, And organic amines such as 4-dimethylaminopyridine (DMAP).
  • the amount of the base to be added is preferably 1 to 10 mol, more preferably 1 to 5 mol, relative to 1 mol of the compound (A).
  • the reaction temperature in step 6 can be appropriately set by those skilled in the art.
  • the reaction temperature is usually 0 to 100 ° C., preferably 20 to 40 ° C.
  • Production method 4 is a method in which compound (H) is used as a starting material, compound (D) is obtained through steps 7 and 8, and then converted into compound (I) according to step 3 of production method 1 above. is there.
  • R, R 1 , R 2 , R 3 , R 4 , L 2 and L 3 are defined in the same manner as in formula (I).
  • the P 1 group represents an amino-protecting group
  • P 2 represents a hydroxyl-protecting group.
  • P 1 group is defined similarly to the production method 1.
  • the P 2 group is not particularly limited as long as it is a substituent known to those skilled in the art as a hydroxyl-protecting group.
  • Examples of the P 2 group include an optionally substituted C 7-11 aralkyl group such as benzyl group, p-methoxyphenylmethyl group, o-nitrophenylmethyl group; acetyl group, trifluoroacetyl group, benzoyl group, etc.
  • a substituted silyl group such as trimethylsilyl group, tert-butyldimethylsilyl group, triethylsilyl group, triisopropylsilyl group, tert-butyldiphenylsilyl group, and the like.
  • Step 7 is a step in which compound (H) is deprotected to obtain compound (J).
  • the removal reaction of the P 2 group can also be carried out by methods well known to those skilled in the art (for example, Protective Groups in Organic Synthesis 4th edition, TW Greene, PGM M. Wuts, John Wiley & Sons Inc. (Method described in 2006)).
  • Step 8 is a step of obtaining compound (D) by reacting compound (J) with an acid halide, acid anhydride, or alkyl halide.
  • the amount of acid halide, acid anhydride, or alkyl halide to be used is preferably 1 to 10 mol, more preferably 1 to 2 mol, per 1 mol of compound (J).
  • Step 8 may be performed in a solvent or without a solvent.
  • a solvent there is no limitation as long as the solvent does not affect the reaction, and an organic solvent is preferable.
  • the organic solvent include dichloromethane, diethyl ether, tetrahydrofuran (THF), 1,4-dioxane, N, N-dimethylformamide (DMF), and dimethyl sulfoxide (DMSO).
  • Step 8 can further add a base to promote the reaction.
  • a base examples include triethylamine, diisopropylethylamine (DIPEA), 1,5-diazabicyclo [4.3.0] nonene (DBN), 1,8-diazabicyclo [5.4.0] undecene (DBU), pyridine, And organic amines such as 4-dimethylaminopyridine (DMAP).
  • the amount of the base to be added is preferably 1 to 20 mol, more preferably 1 to 5 mol, relative to 1 mol of the compound (J).
  • the reaction temperature in step 8 can be appropriately set by those skilled in the art.
  • the reaction temperature is usually ⁇ 20 to 120 ° C., preferably 15 to 100 ° C.
  • Compound (A) can be produced, for example, using compound (A1) as a starting material by the following method.
  • Compound (A1) can be produced, for example, with reference to WO2007 / 72153 or through the following steps 11 to 15.
  • the compound (A1) is 3-amino-6,6-dimethyl-4,6-dihydropyrrolo [3,4-c] pyrazole, the nitrogen atom on the pyrazole skeleton is P 1 group, and the nitrogen atom at the 5-position May be substituted with a P 3 group.
  • the P 1 group only needs to replace the acidic proton of pyrazole in the 4,6-dihydropyrrolo [3,4-c] pyrazole skeleton. Therefore, the P 1 group may be substituted at the 1-position of the 4,6-dihydropyrrolo [3,4-c] pyrazole skeleton or may be substituted at the 2-position.
  • the compounds (A1) and (A2) will be described using chemical formulas substituted at the 1-position of the 4,6-dihydropyrrolo [3,4-c] pyrazole skeleton.
  • P 1 has the same definition as in the compound (A).
  • the P 3 group is not particularly limited as long as it is a substituent known to those skilled in the art as an amino-protecting group.
  • Examples of the P 3 group include C 7-11 aralkyl groups which may be substituted such as benzyl group, p-methoxyphenylmethyl group and o-nitrophenylmethyl group; substituted acetyl groups and trifluoroacetyl groups.
  • Optionally substituted C 1-6 alkylcarbonyl group optionally substituted C 6-10 arylcarbonyl group such as benzoyl group; methoxycarbonyl group, ethoxycarbonyl group, Boc group (tert-butoxycarbonyl group), Cbz group (Benzyloxycarbonyl group), Fmoc group (fluorenylmethyloxycarbonyl group), Teoc group (trimethylsilylethyloxycarbonyl group) and other optionally substituted C1-6 alkoxycarbonyl groups; Alloc group (allyloxycarbonyl group) Alkenyloxycarbonyl group such as An alkylsulfonyl group such as an arylsulfonyl group; an optionally substituted C 6-10 arylsulfonyl group such as a p-toluenesulfonyl group.
  • benzoyl group methoxycarbonyl group, ethoxycarbonyl group, Boc group (tert-butoxycarbonyl
  • R, R 1 , R 2 and R 3 have the same definitions as in compound (I).
  • the X group is not particularly limited as long as it is a substituent known to those skilled in the art as a leaving group.
  • Examples of X include a halogen atom; an imidazolyl group; an aminooxy group such as a succinyl-N-oxy group and a benzotriazolyl-N-oxy group; and an acyloxy group such as a pivaloyloxy group and a benzoyloxy group.
  • X may be a hydroxyl group.
  • the compound (A2) is a carboxylic acid (that is, X is a hydroxyl group)
  • it may be reacted with the compound (A1) after being converted to an acid anhydride by a method well known to those skilled in the art.
  • You may react with a compound (A1) using the reagent known as a condensing agent used for.
  • Step 9 is a step in which compound (A1) and compound (A2) are reacted to obtain compound (A3).
  • the amount of compound (A2) to be used is preferably 1 to 10 mol, more preferably 1 to 3 mol, per 1 mol of compound (A1).
  • Step 9 may be performed in a solvent or without a solvent.
  • a solvent there is no limitation as long as the solvent does not affect the reaction, and an organic solvent is preferable.
  • the organic solvent include dichloromethane, diethyl ether, tetrahydrofuran (THF), N, N-dimethylformamide (DMF), and dimethyl sulfoxide (DMSO).
  • a base can be further added to accelerate the reaction.
  • the base include triethylamine, diisopropylethylamine (DIPEA), 1,5-diazabicyclo [4.3.0] nonene (DBN), 1,8-diazabicyclo [5.4.0] undecene (DBU), pyridine, And organic amines such as 4-dimethylaminopyridine (DMAP).
  • the amount of the base to be added is preferably 1 to 20 mol, more preferably 1 to 5 mol, relative to 1 mol of the compound (A1).
  • the reaction temperature in step 9 can be appropriately set by those skilled in the art.
  • the reaction temperature is usually ⁇ 40 to 100 ° C., preferably ⁇ 20 to 20 ° C.
  • Step 10 is a step of obtaining compound (A) by carrying out deprotection reaction of compound (A3).
  • the removal reaction of the P 3 group can also be performed by a method well known to those skilled in the art (for example, Protective Groups in Organic Synthesis 4th edition, TW Greene, PMGM Wuts, John Wiley & Sons Inc. (Method described in 2006)).
  • P 3 has the same definition as in compound (A1).
  • Step 11 is a step of obtaining compound (A5) by reacting compound (A4) with acrylonitrile.
  • the amount of acrylonitrile to be used is preferably 1 to 10 mol, more preferably 1 to 3 mol, per 1 mol of compound (A4).
  • Step 11 is not limited as long as it is a solvent that does not affect the reaction, and is preferably an aqueous solvent.
  • Step 11 can further add a base to promote the reaction.
  • the base include inorganic bases such as potassium hydroxide.
  • the amount of the base to be added is preferably 0.8 to 2 mol with respect to 1 mol of the compound (A1).
  • the reaction temperature in step 11 can be appropriately set by those skilled in the art.
  • the reaction temperature is usually 0 to 100 ° C., preferably 50 to 90 ° C.
  • Step 12 is a step of obtaining compound (A6) by protecting the amino group of compound (A5) with P 3 group.
  • the protection reaction of the amino group with the P 3 group can be performed by a method well known to those skilled in the art (for example, Protective Groups in Organic Synthesis 4th edition, TW Greene, PGM Wuts, John Wiley). & Sons Inc. (2006) etc.).
  • Step 13 is a step of obtaining a compound (A7) by carrying out a cyclization reaction of the compound (A6).
  • Step 13 may be performed in a solvent or without a solvent.
  • a solvent there is no limitation as long as the solvent does not affect the reaction, and an organic solvent is preferable.
  • the organic solvent include diethyl ether, tetrahydrofuran (THF), 1,4-dioxane, N, N-dimethylformamide (DMF) toluene and the like.
  • Step 13 can further add a base to accelerate the reaction.
  • the base include sodium hydride, potassium hydride, sodium methoxide, sodium ethoxide, n-butyl lithium, tert-butoxy potassium and the like.
  • the amount of the base to be added is preferably 1 to 3 mol with respect to 1 mol of compound (A6).
  • the reaction temperature in step 13 can be appropriately set by those skilled in the art.
  • the reaction temperature is usually 20 to 150 ° C., preferably 50 to 100 ° C.
  • Step 14 is a step in which compound (A7) and hydrazine are reacted to obtain compound (A8).
  • Step 14 may be performed in a solvent or without a solvent.
  • a solvent there is no limitation as long as the solvent does not affect the reaction, and an organic solvent is preferable. Examples of the organic solvent include ethanol, n-propanol, n-butanol and the like.
  • an acid can be further added to accelerate the reaction. Examples of the acid include acetic acid, hydrochloric acid, sulfuric acid and the like.
  • the amount of the acid to be added is preferably 1 to 10 mol with respect to 1 mol of the compound (A7).
  • the reaction temperature in step 14 can be appropriately set by those skilled in the art.
  • the reaction temperature is usually 20 to 150 ° C., preferably 50 to 120 ° C.
  • Step 15 is a step of obtaining compound (A1) by protecting the amino group of compound (A7) with P 1 group.
  • the protection reaction of the amino group with the P 1 group can be carried out by methods well known to those skilled in the art (for example, Protective Groups in Organic Synthesis 4th edition, TW Greene, PGM Wuts, John Wiley). & Sons Inc. (2006) etc.).
  • DIOL silica gel in silica gel column chromatography refers to CHROMATOREX (trade name) DIOL MB 100-40 / 75 manufactured by Fuji Silysia Chemical Ltd.
  • DNH silica gel in silica gel column chromatography refers to CHROMATOREX (trade name) DNH MB 100-40 / 75 manufactured by Fuji Silysia Chemical Ltd.
  • the mass spectrum ionization mode DUIS is a mixed mode of ESI and APCI.
  • 1 H-NMR is expressed as a chemical shift ( ⁇ ) with tetramethylsilane as an internal standard (0 ppm), and the coupling constant (J value) is expressed in Hz.
  • the abbreviations of the splitting pattern of each peak have the following meanings. s: singlet, d: doublet, t: triplet, q: quartet, br: broad.
  • reaction solution was diluted with dichloromethane and then washed with a saturated aqueous sodium hydrogen carbonate solution. After separating the organic layer and the aqueous layer, the aqueous layer was extracted twice with dichloromethane. The obtained all organic layer was dried over anhydrous magnesium sulfate, filtered, and concentrated under reduced pressure. The operation of adding 25 ml of toluene to the obtained concentrated residue and concentrating it under reduced pressure was repeated three times, followed by drying under reduced pressure to obtain a concentrated residue.
  • the obtained concentrated residue was crystallized from ethyl acetate / n-hexane, and the precipitated solid was collected by filtration, washed with n-hexane, and dried under reduced pressure to give 22.7 mg (yield 9). % [2 steps]) as a white solid. Further, the filtrate was concentrated under reduced pressure and dried under reduced pressure to obtain 178 mg (yield 70% [2 steps]) of the title compound as a white foam.
  • the aqueous layer was extracted twice with 50 ml of dichloromethane, and the obtained all organic layer was dried over anhydrous magnesium sulfate, filtered, and the filtrate was concentrated under reduced pressure.
  • the obtained concentrated residue was crystallized from ethyl acetate / diisopropyl ether, and the precipitated solid was collected by filtration and dried under reduced pressure to obtain 173 mg (yield 73%) of the title compound as a white solid.
  • DIPEA 0.24 ml (1.4 mmol) was added to a solution of 138 mg (0.684 mmol) in dehydrated 1,4-dioxane 2 ml under an argon atmosphere at room temperature, and the mixture was stirred at 100 ° C. for 3 hours.
  • 1 ml of triethylamine and 1 ml of ethanol were added to the reaction solution, and the mixture was heated and stirred at 80 ° C. for 5 hours. After completion of the reaction, water was added to the reaction solution, and the mixture was extracted with ethyl acetate.
  • reaction mixture was concentrated under reduced pressure, 4 ml of methanol and 1 ml of triethylamine were added to the resulting concentrated residue, and the mixture was stirred at room temperature for 18 hours. After completion of the reaction, the reaction solution was concentrated under reduced pressure, and ethyl acetate, water, and a saturated aqueous sodium chloride solution were added to the resulting concentrated residue, followed by liquid separation. The obtained organic layer was dried over anhydrous magnesium sulfate and filtered, and then the filtrate was concentrated under reduced pressure.
  • the resulting concentrated residue was crystallized from dichloromethane / diethyl ether / n-hexane, and the precipitated solid was collected by filtration.
  • reaction mixture was concentrated under reduced pressure, 4 ml of methanol and 1 ml of triethylamine were added to the resulting residue, and the mixture was stirred at room temperature for 18 hours.
  • reaction solution was concentrated under reduced pressure, ethyl acetate was added to the resulting concentrated residue, and then washed successively with 10% aqueous potassium dihydrogen phosphate, saturated aqueous sodium bicarbonate, and saturated aqueous sodium chloride. The organic layer was dried over anhydrous magnesium sulfate and filtered, and the filtrate was concentrated under reduced pressure.
  • concentration under reduced pressure and drying under reduced pressure 139 mg (yield 63%) of the title compound was obtained as a pale yellow foam.
  • the reaction solution was concentrated under reduced pressure, and ethyl acetate, water and a saturated aqueous sodium chloride solution were added to the concentrated residue, followed by liquid separation.
  • the aqueous layer was extracted with ethyl acetate, and the entire organic layer obtained was dried over anhydrous magnesium sulfate and filtered, and then the filtrate was concentrated under reduced pressure.
  • the obtained all organic layer was dried over anhydrous magnesium sulfate, filtered, and concentrated under reduced pressure.
  • DIOL silica gel, elution solvent; ethyl acetate: methanol 100: 0 to 99: 1 (V / V)
  • the fraction containing was concentrated under reduced pressure.
  • the aqueous layer was extracted twice with 10 ml of dichloromethane, and the entire organic layer obtained was washed successively with 10 ml of water, 10 ml of saturated aqueous sodium hydrogen carbonate solution and 10 ml of saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, filtered and concentrated under reduced pressure. went.
  • the reaction solution was concentrated under reduced pressure, and 8 ml of ethyl acetate, 0.4 ml of water, and 8 ml of a saturated aqueous sodium chloride solution were added to the resulting concentrated residue for liquid separation.
  • the aqueous layer was extracted twice with 10 ml of dichloromethane, and the entire organic layer obtained was dried over anhydrous magnesium sulfate, filtered and concentrated under reduced pressure.
  • the fraction containing was concentrated under reduced pressure to obtain a concentrated residue.
  • the reaction solution was concentrated under reduced pressure, 4 ml of methanol and 1 ml of triethylamine were added to the resulting concentrated residue, and the mixture was subjected to a microwave reaction apparatus and reacted at 80 ° C. for 1 hour. After completion of the reaction, the reaction solution was concentrated under reduced pressure, and ethyl acetate was added to the resulting concentrated residue. After washing sequentially with 10% aqueous potassium dihydrogen phosphate solution, saturated aqueous sodium hydrogen carbonate solution and saturated aqueous sodium chloride solution, the organic layer was dehydrated. After drying over magnesium sulfate and filtration, the filtrate was concentrated under reduced pressure.
  • reaction solution was concentrated under reduced pressure, ethyl acetate was added to the residue, washed successively with 10% aqueous potassium dihydrogen phosphate solution, saturated aqueous sodium hydrogen carbonate solution, saturated aqueous sodium chloride solution, and the organic layer was dried over anhydrous magnesium sulfate. After filtration, the filtrate was concentrated under reduced pressure.
  • reaction solution was concentrated under reduced pressure, added with ethyl acetate, washed successively with 10% aqueous potassium dihydrogen phosphate, saturated aqueous sodium bicarbonate, and saturated aqueous sodium chloride, and the organic layer was dried over anhydrous magnesium sulfate, After filtration, the filtrate was concentrated under reduced pressure.
  • reaction solution was concentrated under reduced pressure, 2 ml of methanol and 0.5 ml of triethylamine were sequentially added at room temperature, and the mixture was stirred at 80 ° C. for 1 hour in a microwave reactor. After completion of the reaction, the reaction solution was concentrated under reduced pressure. The concentrated residue was dissolved in 5 ml of ethyl acetate, washed twice with 5% aqueous potassium dihydrogen phosphate solution, and then the organic layer was washed with 5 ml of saturated aqueous sodium hydrogen carbonate solution. The organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated under reduced pressure.
  • the inside of the reaction vessel was replaced with a nitrogen atmosphere under reduced pressure, and then 68.3 mg of 20% palladium hydroxide / carbon [containing 50 wt% water] was added at room temperature, and then replaced with a hydrogen atmosphere under reduced pressure again. Stir for 5 hours. After completion of the reaction, the inside of the reaction vessel was replaced with a nitrogen atmosphere under reduced pressure. The reaction solution was filtered using a Celite filter, and the removed solid was washed with ethanol, and then the filtrate was concentrated under reduced pressure.
  • the obtained concentrated residue was dissolved in ethyl acetate, then n-hexane was added and the precipitated solid was collected by filtration, washed with n-hexane and dried under reduced pressure to give 104 mg of the title compound (yield 55 % [2 steps]) as a white solid.
  • the inside of the reaction vessel was replaced with a nitrogen atmosphere under reduced pressure.
  • the reaction solution was filtered using a celite filter, and the removed solid was washed with ethyl acetate, and then the filtrate was concentrated under reduced pressure.
  • the reaction solution diluted with dichloromethane was washed with 5% aqueous potassium hydrogen sulfate solution, and then separated.
  • the aqueous layer was extracted twice with dichloromethane, and then the entire organic layer obtained was dried over anhydrous magnesium sulfate, filtered and concentrated under reduced pressure.
  • the containing fraction was concentrated under reduced pressure to distill off acetonitrile.
  • the fraction was concentrated under reduced pressure to distill off acetonitrile.
  • the inside of the reaction vessel was replaced with a nitrogen atmosphere under reduced pressure.
  • the reaction solution was filtered using a celite filter, and the removed solid was washed with ethyl acetate, and then the filtrate was concentrated under reduced pressure.
  • the organic layer was washed successively with a saturated aqueous sodium bicarbonate solution and a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, filtered, and concentrated under reduced pressure.
  • the obtained concentrated residue was dissolved in ethyl acetate, then n-hexane was added and the precipitated solid was collected by filtration, washed with n-hexane and dried under reduced pressure to give 115 mg of the title compound (yield 82 %) As a white solid.
  • the obtained concentrated residue was dissolved in ethyl acetate, then n-hexane was added and the precipitated solid was collected by filtration, washed with n-hexane and dried under reduced pressure to give 135 mg of the title compound (yield 83 %) As a white solid.
  • the obtained concentrated residue was dissolved in ethyl acetate, then added to n-hexane and the precipitated solid was collected by filtration and dried under reduced pressure to give 97.6 mg (yield 48%) of the title compound as a white solid. Obtained. Mass spectrum (CI, m / z): 509 [M + 1] + .
  • the obtained concentrated residue was dissolved in ethyl acetate, and n-hexane was added, and the precipitated solid was collected by filtration, washed with n-hexane and then dried under reduced pressure to give 144 mg of the title compound (yield 80%). %) As a white solid.
  • the obtained concentrated residue was dissolved in dichloromethane, 5% aqueous potassium hydrogen sulfate solution was added, and the mixture was stirred and separated.
  • the obtained organic layer was washed successively with a saturated aqueous sodium hydrogen carbonate solution and a saturated aqueous sodium chloride solution, dried over anhydrous sodium sulfate, filtered, and the filtrate was concentrated under reduced pressure.
  • the obtained concentrated residue was dissolved in methanol, and the solid precipitated by adding to water was collected by filtration and dried under reduced pressure to obtain 187 mg (yield 75%) of the title compound as a white solid.
  • the obtained concentrated residue was dissolved in methanol, and then the resulting solid added to water was collected by filtration and dried under reduced pressure to obtain 164 mg (yield 66%) of the title compound as a white solid.
  • the obtained concentrated residue was dissolved in methanol, and the solid precipitated by adding to water was collected by filtration and dried under reduced pressure to obtain 62 mg (yield 42%) of the title compound as a white solid.
  • the obtained concentrated residue was dissolved in ethyl acetate, n-hexane was added and the precipitated solid was collected by filtration, washed with n-hexane and dried under reduced pressure to obtain 187 mg of a white solid.
  • Phenyl) -2-methylbutan-2-ol 134 mg, including impurities
  • DIPEA 0.602 ml, 3.40 mmol
  • 0.318 ml (3.40 mmol) of N, N-dimethylethane-1,2-diamine was added at room temperature, and the mixture was stirred at that temperature for 2 hours.
  • 5% aqueous potassium hydrogen sulfate solution was added to the reaction mixture, and the mixture was extracted with ethyl acetate.
  • the obtained organic layer was washed successively with a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, filtered, and concentrated under reduced pressure.
  • reaction solution was allowed to cool to room temperature, and 0.738 ml (6.78 mmol) of N, N-dimethylethane-1,2-diamine was added dropwise at room temperature, followed by stirring at room temperature for 4 hours.
  • 5% aqueous potassium hydrogen sulfate solution was added to the reaction solution, and the mixture was extracted twice with ethyl acetate. The organic layer was washed with a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, filtered, and concentrated under reduced pressure.
  • the concentrated residue was dissolved in 60 ml of ethyl acetate and washed 3 times with 10 ml of 5% aqueous potassium hydrogen sulfate solution. The organic layer was washed with a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, filtered, and concentrated under reduced pressure.
  • the obtained concentrated residue was dissolved in ethyl acetate, then n-hexane was added and the precipitated solid was collected by filtration, washed with n-hexane and dried under reduced pressure to give 107 mg of the title compound (yield: 52 %) As a white solid.
  • the obtained concentrated residue was dissolved in ethyl acetate, then n-hexane was added and the precipitated solid was collected by filtration, washed with n-hexane and dried under reduced pressure to give 96 mg of the title compound (yield 62 % [2 steps]) as a white solid.
  • Mass spectrum (CI, m / z): 498 [M + 1] + .
  • the obtained concentrated residue was dissolved in a mixed solvent of ethyl acetate / ethanol, then added with n-hexane, and the precipitated solid was collected by filtration, washed with n-hexane and dried under reduced pressure to give 802 mg of a white solid.
  • the fraction containing the optically active substance eluted in was concentrated under reduced pressure.
  • the obtained concentrated residue was dissolved in a small amount of ethyl acetate, and n-hexane was added to precipitate a solid.
  • the solid was collected by filtration, washed with n-hexane, and dried under reduced pressure at 50 ° C. to obtain 62 mg (yield 54%) of the title compound as a white solid.
  • the fraction containing -trifluoro-N- (3-hydroxy-3-methyl-1-phenylbutyl) acetamide was concentrated under reduced pressure to obtain a concentrated residue.
  • sodium borohydride 64.6 mg (1.71 mmol) was added in several portions at room temperature, and the mixture was stirred at room temperature for 14 hours.
  • the reaction solution was allowed to cool to room temperature and concentrated under reduced pressure.
  • Water and ethyl acetate were added to the resulting concentrated residue, and the mixture was extracted with ethyl acetate.
  • the obtained organic layer was washed with water, dried over anhydrous magnesium sulfate, filtered, and concentrated under reduced pressure.
  • the reaction solution was filtered through Celite.
  • the solid on celite was washed with ethyl acetate, and the filtrate was concentrated under reduced pressure.
  • 0.19 g of 20% palladium hydroxide / carbon (containing 50 wt% water) was added at room temperature under an argon atmosphere, and the atmosphere was replaced with a hydrogen atmosphere under reduced pressure. Stir for 5 hours.
  • the reaction solution was filtered through Celite after replacing with an argon atmosphere.
  • the solid on celite was washed with ethyl acetate, and the filtrate was concentrated under reduced pressure.
  • To a solution of the concentrated residue obtained in 100 ml of ethyl acetate was added 60.0 ml (240 mmol) of 4N hydrogen chloride / ethyl acetate at room temperature in a nitrogen atmosphere, followed by stirring at the same temperature for 5 hours. After completion of the reaction, the reaction solution was concentrated under reduced pressure.
  • the obtained concentrated residue was suspended in diisopropyl ether, and the suspension was stirred at room temperature.
  • the insoluble material was collected by filtration, and the obtained solid was washed with diisopropyl ether.
  • the obtained solid was dissolved in water, saturated aqueous sodium hydrogen carbonate solution and dichloromethane were added, and the mixture was stirred at room temperature for 5 min. After liquid separation, the aqueous layer was extracted twice with dichloromethane. The whole organic layer was washed with saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, filtered, concentrated under reduced pressure, and dried under reduced pressure to obtain 8.27 g (yield 73% [2 steps]) of the title compound as a slightly orange solid. It was.
  • reaction solution was poured into 2N hydrochloric acid and stirred.
  • the aqueous layer and the organic layer were separated, and the organic layer was washed successively with a saturated aqueous sodium bicarbonate solution and a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, filtered, and then the filtrate was concentrated under reduced pressure.
  • the mixture was extracted twice with 100 ml of ethyl acetate, and all the organic layers were combined and washed successively with 100 ml of water and 100 ml of a saturated aqueous sodium chloride solution. After drying with magnesium sulfate, filtration and concentration under reduced pressure were performed to distill off half of the solvent. 12 g of activated carbon was added to the resulting solution, and the mixture was stirred at room temperature for 30 minutes, filtered and concentrated under reduced pressure. The resulting concentrated residue was diluted with 10 ml of diisopropyl ether, 50 ml of n-hexane was added thereto, the precipitated solid was crushed, and stirred at room temperature for 30 minutes.
  • reaction solution was diluted with ethyl acetate, added with celite, and filtered.
  • a sodium bicarbonate aqueous solution was added to the filtrate and stirred to neutralize. This was extracted twice with ethyl acetate. All organic layers were combined, washed with saturated aqueous sodium hydrogen carbonate solution, dried over anhydrous magnesium sulfate, filtered and concentrated under reduced pressure.
  • reaction solution was poured into 1000 ml of a saturated aqueous sodium hydrogen carbonate solution, stirred at room temperature, and then separated. The aqueous layer was extracted twice with 500 ml of ethyl acetate, and then the entire organic layer obtained was washed with a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, filtered, and concentrated under reduced pressure.
  • the title compound (1.03 g, yield 91%) was obtained as a colorless oil.

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Abstract

La présente invention concerne une composition pharmaceutique pour le traitement ou la prévention de la dermatite atopique qui contient un composé représenté par l'expression générale (I) (dans la formule, les deux R représentent indépendamment un groupe alkyle en C1-3, ou représentent des groupes qui, liés conjointement, forment un groupe alkylène en C2-5. L2 représente une simple liaison, etc., L3 représente une simple liaison, etc., R1, R2 et R3 représentent indépendamment un groupe alkyle en C1-4 linéaire ou ramifié facultativement substitué, R4 représente un groupe alkyle en C1-6 linéaire ou ramifié facultativement substitué, etc., et R5 représente un atome d'hydrogène, etc.), ou un sel pharmacologiquement acceptable de celui-ci.
PCT/JP2017/016701 2016-04-28 2017-04-27 Composition pharmaceutique pour le traitement ou la prévention de la dermatite atopique Ceased WO2017188369A1 (fr)

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JP2016091334A JP2019112305A (ja) 2016-04-28 2016-04-28 アトピー性皮膚炎の治療または予防のための医薬組成物

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190256531A1 (en) * 2015-06-15 2019-08-22 Ube Industries, Ltd. Substituted dihydropyrrolopyrazole derivative
WO2020100944A1 (fr) 2018-11-14 2020-05-22 宇部興産株式会社 Dérivé de dihydropyrrolopyrazole

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Publication number Priority date Publication date Assignee Title
JP2006514026A (ja) * 2002-12-19 2006-04-27 ファルマシア・イタリア・エス・ピー・エー キナーゼ抑制物質としてのピロロ−ピラゾール置換誘導体
JP2010505905A (ja) * 2006-10-11 2010-02-25 ネルビアーノ・メデイカル・サイエンシーズ・エツセ・エルレ・エルレ キナーゼ阻害剤としての置換ピロロ−ピラゾール誘導体
US20130084275A1 (en) * 2011-04-26 2013-04-04 Technische Universitat Dresden Methods and Compositions for Reducing Interleukin-4 or Interleukin-13 Signaling
WO2016068287A1 (fr) * 2014-10-31 2016-05-06 宇部興産株式会社 Composé de dihydropyrrolopyrazole substitué

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006514026A (ja) * 2002-12-19 2006-04-27 ファルマシア・イタリア・エス・ピー・エー キナーゼ抑制物質としてのピロロ−ピラゾール置換誘導体
JP2010505905A (ja) * 2006-10-11 2010-02-25 ネルビアーノ・メデイカル・サイエンシーズ・エツセ・エルレ・エルレ キナーゼ阻害剤としての置換ピロロ−ピラゾール誘導体
US20130084275A1 (en) * 2011-04-26 2013-04-04 Technische Universitat Dresden Methods and Compositions for Reducing Interleukin-4 or Interleukin-13 Signaling
WO2016068287A1 (fr) * 2014-10-31 2016-05-06 宇部興産株式会社 Composé de dihydropyrrolopyrazole substitué

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190256531A1 (en) * 2015-06-15 2019-08-22 Ube Industries, Ltd. Substituted dihydropyrrolopyrazole derivative
US10894798B2 (en) * 2015-06-15 2021-01-19 Ube Industries, Ltd. Substituted dihydropyrrolopyrazole derivative
WO2020100944A1 (fr) 2018-11-14 2020-05-22 宇部興産株式会社 Dérivé de dihydropyrrolopyrazole

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