WO2010041711A1 - イソキノリン誘導体及びそれらを有効成分とするpde阻害剤 - Google Patents
イソキノリン誘導体及びそれらを有効成分とするpde阻害剤 Download PDFInfo
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- WO2010041711A1 WO2010041711A1 PCT/JP2009/067546 JP2009067546W WO2010041711A1 WO 2010041711 A1 WO2010041711 A1 WO 2010041711A1 JP 2009067546 W JP2009067546 W JP 2009067546W WO 2010041711 A1 WO2010041711 A1 WO 2010041711A1
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- general formula
- compound
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- compound represented
- isoquinoline
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- 0 C*(C)(C)C=C(*)C=CC(C=CC(C(C1=C(*)C*)=CC=C(*)N1N=C)=CC1(C)*)=C1C(C)=C Chemical compound C*(C)(C)C=C(*)C=CC(C=CC(C(C1=C(*)C*)=CC=C(*)N1N=C)=CC1(C)*)=C1C(C)=C 0.000 description 14
- LXFQSRIDYRFTJW-UHFFFAOYSA-N Cc(cc1C)cc(C)c1S(O)(=O)=O Chemical compound Cc(cc1C)cc(C)c1S(O)(=O)=O LXFQSRIDYRFTJW-UHFFFAOYSA-N 0.000 description 2
- DVYJYMASMZAJPX-UHFFFAOYSA-N COc(c(OCN1)c2C1=O)ccc2Br Chemical compound COc(c(OCN1)c2C1=O)ccc2Br DVYJYMASMZAJPX-UHFFFAOYSA-N 0.000 description 1
- QWDMLIJLLMWUFH-UHFFFAOYSA-N Cc1c(cc(cc2)-c(c3cc(C(F)(F)F)n[n]33)ccc3OC)c2cnc1 Chemical compound Cc1c(cc(cc2)-c(c3cc(C(F)(F)F)n[n]33)ccc3OC)c2cnc1 QWDMLIJLLMWUFH-UHFFFAOYSA-N 0.000 description 1
- BFIMMTCNYPIMRN-UHFFFAOYSA-N Cc1cc(C)c(C)c(C)c1 Chemical compound Cc1cc(C)c(C)c(C)c1 BFIMMTCNYPIMRN-UHFFFAOYSA-N 0.000 description 1
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- C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
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- C07D471/04—Ortho-condensed systems
Definitions
- the present invention relates to an isoquinoline derivative useful as a phosphodiesterase (PDE) inhibitor, a salt thereof, or a hydrate thereof.
- PDE phosphodiesterase
- Phosphodiesterase is an enzyme that degrades cyclic AMP (cAMP) and cyclic GMP (cGMP), which are second messengers in vivo.
- cAMP cyclic AMP
- cGMP cyclic GMP
- PDE types 1 to 11 have been found, and it is determined for each type whether cAMP is specifically decomposed, cGMP is specifically decomposed, or both are decomposed. There is a difference in the distribution of each type of PDE, and it is considered that the cell reaction is controlled by various types of PDEs depending on the type of organ.
- PDE3 inhibitors are therapeutic agents for angina pectoris, heart failure, hypertension, etc., platelet aggregation inhibitors or anti-asthma drugs
- PDE4 inhibitors are bronchial asthma , Chronic obstructive pulmonary disease (COPD), interstitial pneumonia, interstitial cystitis, allergic conjunctivitis, allergic rhinitis, atopic dermatitis, osteoporosis, osteoarthritis of the knee, rheumatoid arthritis, nonalcoholic steatohepatitis It is expected as a therapeutic agent for multiple sclerosis, Crohn's disease, inflammatory bowel disease, Alzheimer's, dementia, Parkinson's disease, depression, etc.
- COPD Chronic obstructive pulmonary disease
- Patent Document 1 relates to a compound having indoledione as a basic skeleton, and the compound of Patent Document 2 is a phenyl group in which the group directly bonded to the isoquinoline ring is not a heterocyclic ring.
- Patent Document 3 an international publication pamphlet indicating that it is also effective against obesity and metabolic syndrome has been disclosed recently (Patent Document 3).
- Patent Document 3 an international publication pamphlet indicating that it is also effective against obesity and metabolic syndrome has been disclosed recently (Patent Document 3).
- Patent Document 3 the compound disclosed in Patent Document 3 relates to a compound in which a heterocycle bonded to an isoquinoline ring is bonded through a CN bond.
- Patent Document 4 A compound having a heterobicyclic structure as a PDE inhibitor is reported in (Patent Document 4).
- the substituent at the 2-position (between nitrogen and nitrogen) of the quinazoline ring is an amino group or a nitrogen-containing group, and has a different structure from the compound of the present invention.
- PDE inhibitor heterobicyclic quinolone derivatives have been reported (Patent Documents 5 to 7), and heterobicyclic quinazoline derivatives and heterobicyclic benzoxazinone derivatives have been reported (Patent Documents 8 to 11). Yes.
- the substituent of the Het ring is different from the compound of the present application.
- the compound disclosed in Patent Document 7 is different from the compound of the present application in that a phosphorus-containing group is located at the 3-position of the quinolone ring. Further, in the compound disclosed in Patent Document 8, even if the basic skeleton of formula I corresponds to heterocycle, the position at which it is bonded to the heterocycle corresponding to heterocycle is different.
- the compound disclosed in Patent Document 9 is a nitrogen-containing ring and is bonded to heteroaryl, which is different from the compound of the present invention.
- the present invention is to provide an isoquinoline derivative having an excellent phosphodiesterase inhibitory action and few side effects.
- R 1 and R 2 are the same or different and each represents a hydrogen atom or a halogen atom; n represents 0 or 1; Heterocycle has the following general formula (2),
- R 3 represents a hydrogen atom, an alkyl group having 1 to 6 carbon atoms or a cycloalkyl group having 3 to 8 carbon atoms which may be substituted with a halogen atom
- R 4 represents 1 to 6 carbon atoms.
- R 5 represents a hydrogen atom or a halogen atom
- X represents NH, O or S
- Y represents O or S.
- Z represents CH or N.
- the connecting part of the heterocycle of the compound represented by the general formula (1) is represented by the general formula (1a),
- the isoquinoline derivative according to 1) above which is a group represented by the following: an optically active form thereof, a pharmacologically acceptable salt thereof or a hydrate thereof, 4)
- the isoquinoline derivative according to any one of 1) to 3) wherein R 4 of the compound represented by the general formula (1) is an alkoxy group having 1 to 6 carbon atoms, its optically active substance, pharmacologically Acceptable salts or hydrates thereof, 5)
- R 4 of the compound represented by the general formula (1) is an alkylamino group having 1 to 6 carbon atoms, the isoquinoline derivative according to any one of claims 1) to 3), its optically active substance, and drug A salt or hydrate thereof that is physically acceptable; 6)
- the compound represented by the general formula (1) is (1) 6- (7-methoxy-2-trifluoromethylpyrazolo [1,5-a] pyridin-4-yl) isoquino
- a pharmaceutical comprising as an active ingredient the isoquinoline derivative according to any one of 1) to 6) above, an optically active form thereof, a pharmacologically acceptable salt thereof or a hydrate thereof, 9) Angina pectoris, heart failure, hypertension, bronchial asthma, chronic obstructive pulmonary disease (COPD), interstitial pneumonia, interstitial cystitis, allergic conjunctivitis, allergic rhinitis, atopic dermatitis, osteoporosis, joint Rheumatism, knee osteoarthritis, nonalcoholic steatohepatitis, multiple sclerosis, Crohn's disease, inflammatory bowel disease, Huntington's disease, Alzheimer, dementia, Parkinson's disease, depression, schizophrenia, obesity, metabolic syndrome
- the present invention relates to the pharmaceutical described in 8) above, which is a preventive or therapeutic agent.
- Such compounds having a PDE inhibitory action include therapeutic agents for angina pectoris, heart failure, hypertension, platelet aggregation inhibitors or bronchial asthma, chronic obstructive pulmonary disease (COPD), interstitial pneumonia, interstitial Cystitis, allergic conjunctivitis, allergic rhinitis, atopic dermatitis, osteoporosis, rheumatoid arthritis, knee osteoarthritis, nonalcoholic steatohepatitis, multiple sclerosis, Crohn's disease, inflammatory bowel disease, Huntington's disease, Alzheimer It is useful as a prophylactic or therapeutic agent for various mental disorders such as dementia, Parkinson's disease, depression, schizophrenia, obesity, metabolic syndrome, etc., and as a therapeutic agent for male sexual dysfunction.
- COPD chronic obstructive pulmonary disease
- the alkyl group having 1 to 6 carbon atoms is a linear or branched alkyl group having 1 to 6 carbon atoms, preferably an alkyl group having 1 to 4 carbon atoms.
- Examples thereof include a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, an isobutyl group, a sec-butyl group, and a t-butyl group.
- the alkyl group which may be substituted with a halogen atom is an alkyl group having 1 to 6 carbon atoms which is unsubstituted or substituted with halogen, and an alkyl group having 1 to 6 carbon atoms in which all hydrogens are substituted with fluorine atoms.
- the alkyl group having 1 to 4 carbon atoms in which all hydrogens are substituted with fluorine atoms is more preferable, and a trifluoromethyl group is particularly preferable.
- the cycloalkyl group having 3 to 8 carbon atoms is, for example, a cyclopropyl group, a cyclobutyl group, a cyclopentyl group, a cyclohexyl group, a cycloheptyl group, or a cyclooctyl group, and preferably a cyclopropyl group.
- the alkoxy group having 1 to 6 carbon atoms is a linear or branched alkoxy group having 1 to 6 carbon atoms, preferably an alkoxy group having 1 to 4 carbon atoms.
- the alkylamino group having 1 to 6 carbon atoms is a linear or branched alkylamino group having 1 to 6 carbon atoms, preferably an alkylamino group having 1 to 4 carbon atoms.
- the halogen atom include a fluorine atom, a chlorine atom, a bromine atom, and an iodine atom.
- the pharmaceutically acceptable salt thereof include acid addition salts such as hydrochloride, hydrobromide, acetate, trifluoroacetate, methanesulfonate, citrate, and tartrate.
- the compound represented by General formula (1) of this invention can be manufactured by the synthetic pathway A shown below, for example. ⁇ Synthesis route A>
- M is -SnBu 3 , -SnMe 3 , -B (OH) 2 , -B (OMe) 2 or
- toluene, N-methylpyrrolidone, dimethylformamide (DMF), tetrahydrofuran (THF), 1,4-dioxane or the like is used as a solvent, and in some cases diisopropyl
- a base such as an amine
- a Pd (0) complex such as tetrakis (triphenylphosphine) palladium (Pd (PPh 3 ) 4 ) can be used as a catalyst and the reaction can be carried out at room temperature to heating under reflux.
- Pd (0) complexes such as bis (dibenzylideneacetone) palladium (0) (Pd (dba) 2 ) and triphenylphosphine (PPh 3 ) and 1,1'-bis (diphenylphosphino) ferrocene (dppf)
- ligands that are organophosphorus compounds such as palladium acetate (Pd (OAc) 2 ), bis (acetonitrile) dichloropalladium (II) (PdCl 2 (MeCN) 2 ), dichlorobis (triphenylphosphine)
- Techniques using Pd (II) complexes such as palladium (II) (PdCl 2 (PPh 3 ) 2 ) or [1,1'-bis (diphenylphosphino) ferrocene] dichloropalladium (II) (PdCl 2 (dppf))
- Pd (0) complexes such as bis (dibenz
- a reaction that can be produced by subjecting the compound represented by the following formula to a Stille cross coupling reaction or a Suzuki-Miyaura cross coupling reaction can be carried out in the same manner as in the synthesis route A.
- R 4 is as described above.
- MSH O-mesitylenesulfonylhydroxylamine
- R represents an alkyl group having 1 to 6 carbon atoms or a benzyl group
- R 3 and R 4 are as defined above.
- the reaction is carried out using methanol, ethanol, 1,4-dioxane, dimethyl sulfoxide (DMSO), DMF, THF, toluene, benzene, cyclohexane, cyclopentane, methylene chloride, chloroform or acetonitrile, preferably using DMF as a reaction solvent.
- the reaction can be carried out in the presence of an inorganic base such as sodium hydrogen, sodium carbonate, potassium hydrogen carbonate or potassium carbonate, or in the presence of an organic base such as triethylamine, preferably potassium carbonate, at 0 ° C. to room temperature, preferably at room temperature.
- the compound represented by general formula (7) can be produced by halogenating the compound represented by the general formula (7) (step C-3).
- N-chlorosuccinimide N-bromosuccinimide (NBS), N-iodosuccinimide (NIS), bromine or iodine
- acetic acid DMF, methylene chloride, chloroform or acetonitrile, preferably acetonitrile Can be used as a reaction solvent at 0 ° C. to 80 ° C.
- the compound represented by general formula (8) can be produced by hydrolysis and decarboxylation (step C-4).
- the reaction can be carried out under heating and refluxing in hydrobromic acid or acetic acid containing hydrogen bromide. Also, it was hydrolyzed to carboxylic acid by acting sodium hydroxide aqueous solution, potassium hydroxide aqueous solution or lithium hydroxide aqueous solution in methanol, ethanol, THF, DMSO, DMF or 1,4-dioxane solvent at normal temperature to heating under reflux. Then, react in benzene, chlorobenzene, dichlorobenzene, bromobenzene, toluene or xylene at 140-160 ° C, or in ethanol or 1,4-dioxane, add 2-10% aqueous sulfuric acid and react at 100 ° C. It can also be made. Furthermore, it can be carried out by heating and stirring at 100 ° C. in 50% sulfuric acid.
- the compound represented by general formula (4a-1) can be produced by halogenating the compound represented by general formula (4a-1) (step C-5).
- the reaction can be carried out in the same manner as in Step C-3.
- the compound represented by general formula (4a-1) can be produced by stannation or boronation (step C-6).
- the compound represented by the general formula (4a-1) is added to a solvent such as toluene, THF, diethyl ether or dioxane, n-butyllithium, s— It can be carried out by reacting an organometallic reagent such as butyllithium, t-butyllithium or isopropylmagnesium chloride with a tin reagent such as tributyltin chloride or trimethyltin chloride at ⁇ 78 ° C. to room temperature.
- organometallic reagent such as butyllithium, t-butyllithium or isopropylmagnesium chloride
- a tin reagent such as tributyltin chloride or trimethyltin chloride
- the compound represented by the general formula (4a-1) is added to a bis compound in a solvent such as toluene, THF, dioxane, DMF or DMSO in the presence of a palladium catalyst such as Pd (PPh 3 ) 4 or PdCl 2 (dppf). It can also be produced by allowing (tributyltin) or bis (trimethyltin) to act at room temperature to 140 ° C.
- the compound represented by formula (4a-1) is added to n-butyllithium, s-butyllithium in a solvent such as toluene, THF, diethyl ether or dioxane.
- a solvent such as toluene, THF, diethyl ether or dioxane.
- an organometallic reagent such as t-butyllithium or isopropylmagnesium chloride, preferably n-butyllithium and reacting a borane reagent such as trimethoxyborane or triisopropoxyborane at ⁇ 78 ° C. to room temperature. It can be produced by acid hydrolysis with hydrochloric acid or the like.
- M is —B (OMe) 2
- the compound represented by the general formula (4a-1) is added to n-butyllithium, s-butyllithium, t in a solvent such as toluene, THF, diethyl ether or dioxane. It can be produced by reacting an organometallic reagent such as -butyllithium or isopropylmagnesium chloride, preferably n-butyllithium, and reacting trimethoxyborane at -78 ° C to room temperature.
- an organometallic reagent such as -butyllithium or isopropylmagnesium chloride, preferably n-butyllithium, and reacting trimethoxyborane at -78 ° C to room temperature.
- palladium such as Pd (PPh 3 ) 4 or PdCl 2 (dppf) in a solvent such as toluene, THF, dioxane, DMF or DMSO, preferably in DMSO. It can be produced by using potassium acetate, sodium acetate or potassium 2-ethylhexanoate as a base in the presence of a catalyst, and reacting bis (pinacolato) diboron or pinacolborane at normal temperature to 140 ° C. M is also
- This compound can also be produced by subjecting it to a hydrolysis reaction with an aqueous sodium hydroxide solution or hydrochloric acid.
- a hydrolysis reaction with an aqueous sodium hydroxide solution or hydrochloric acid.
- the compound represented by general formula (4a-2) can be produced by stannation or boronation (step C-7).
- R 6 represents a halogen atom or a protecting group (P 1 )
- P 1 represents a methoxymethyl group, a methoxyethoxymethyl group, a tetrahydropyranyl group, a benzyl group, a p-methoxybenzyl group, a t-butyldimethylsilyl group.
- a hydroxyl group having a protective group such as t-butyldiphenylsilyl group or triisopropylsilyl group
- R 4 is as defined above.
- R 6 is a halogen atom
- the reaction can be carried out in the same manner as in Step C-4.
- R 6 is a hydroxyl group having a protecting group, methanol, ethanol, THF, DMSO, DMF or 1,4- Hydrolysis of sodium hydroxide aqueous solution, potassium hydroxide aqueous solution or lithium hydroxide aqueous solution in dioxane solvent under normal temperature to heating under reflux to carboxylic acid, then benzene, chlorobenzene, dichlorobenzene, bromobenzene, toluene or xylene It can be produced by reacting at 80 to 160 ° C.
- the compound represented by general formula (4a-4) can be produced by halogenating the compound represented by the general formula (4a-4) (Step C′-4).
- the compound represented by general formula (4a-4) is a compound in which R 6 is a hydroxyl group having a protecting group, and after removing the protection of the hydroxyl group, the resulting hydroxyl group is converted to trifluoromethane. It can be produced by sulfonylation (Step C′-5).
- the protective group is a methoxymethyl group or a tetrahydropyranyl group
- the deprotection reaction can be performed at 0 ° C. to room temperature using methanol, ethanol, ethyl acetate, or diethyl ether containing hydrogen chloride.
- the protecting group is a benzyl group or a p-methoxybenzyl group
- it can be carried out by catalytic reduction.
- the protecting group is a p-methoxybenzyl group
- 2,3-dichloro-5,6-dicyano-p-benzoquinone (DDQ) or celeric ammonium nitrate (CAN) is added to 0% in a solvent such as dichloromethane or acetonitrile.
- DDQ 2,3-dichloro-5,6-dicyano-p-benzoquinone
- CAN celeric ammonium nitrate
- the reaction can be carried out at a temperature ranging from °C to room temperature.
- the protecting group is a silyl protecting group such as t-butyldimethylsilyl group, t-butyldiphenylsilyl group or triisopropylsilyl group
- potassium fluoride, cesium fluoride or tetrabutylammonium fluoride, acetonitrile or THF solvent It can be carried out at a temperature between 0 ° C. and room temperature.
- the trifluoromethanesulfonylation of the hydroxyl group can be carried out by reacting trifluoromethanesulfonyl chloride or trifluoromethanesulfonic anhydride at ⁇ 78 ° C. to room temperature in the presence of a base such as triethylamine or diisopropylethylamine in a solvent such as dichloromethane. .
- a base such as triethylamine or diisopropylethylamine in a solvent such as dichloromethane.
- the compound represented by general formula (4a-6) can be produced by removing the protection of the hydroxyl group of the compound represented by the general formula (4a-6) and then trifluoromethanesulfonylating the resulting hydroxyl group (step C′-6).
- reaction can be carried out in the same manner as in Step C′-5.
- a compound in which R 4 is an amino group or an alkylamino group having 1 to 6 carbon atoms that is, the general formula (4a -1-1)
- R 4a and R 4b represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, and R 3 and D 1 are as defined above.
- R 4a and R 4b represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, and R 3 and D 1 are as defined above.
- the compound represented by the general formula (4a-1) or (4a-2) in the synthesis route C is a compound in which R 4 is an alkoxy group having 1 to 6 carbon atoms, that is, the general formula ( 4a-1-2),
- the reaction is carried out using THF, DMF, DMSO or the like as a solvent in the presence or absence of a base such as lithium hydride, sodium hydride, potassium hydride, n-butyllithium, s-butyllithium, or t-butyllithium.
- a base such as lithium hydride, sodium hydride, potassium hydride, n-butyllithium, s-butyllithium, or t-butyllithium.
- the reaction can be performed at room temperature to 100 ° C.
- a compound in which Heterocycle is triazolopyridine can be produced by the synthesis route D.
- the reaction can be carried out using benzene, toluene, xylene, methanol, ethanol or the like as a solvent and using a base such as triethylamine, sodium hydroxide, potassium hydroxide or potassium carbonate, preferably triethylamine, from room temperature to under reflux.
- a base such as triethylamine, sodium hydroxide, potassium hydroxide or potassium carbonate, preferably triethylamine, from room temperature to under reflux.
- the compound represented by general formula (4a-8) can be produced by stannation or boronation (step D-3).
- X 1 represents a chlorine, bromine or iodine atom
- R 3 is as defined above.
- the reaction uses benzene, toluene, xylene, methanol, ethanol, etc. as a solvent.
- a base triethylamine, sodium hydrogen carbonate, sodium carbonate, sodium hydroxide, potassium hydrogen carbonate, potassium carbonate, potassium hydroxide, etc.
- the reaction can be carried out using a base at ordinary temperature to heating under reflux.
- the compound represented by general formula (15) can be produced by halogenating the compound represented by general formula (15) (step E-2).
- the compound represented by general formula (16) can be produced by halogenating the compound represented by general formula (16) (step E-3).
- the compound represented by general formula (4a-9) can be produced by stannation or boronation of the compound represented by formula (4a-9) (step E-4).
- the compound represented by general formula (4a-10) can be produced by stannication or boronation (step F-2).
- the reaction is carried out using a solvent such as acetonitrile, THF, 1,4-dioxane, ethyl acetate, preferably acetonitrile, adding triphenylphosphonium bromide to the reaction under heating and refluxing, and then the reaction solvent is toluene, benzene or xylene, preferably Instead of toluene, it is preferable to add triethylamine and the compound represented by the general formula (13), and react with heating under reflux.
- a solvent such as acetonitrile, THF, 1,4-dioxane, ethyl acetate, preferably acetonitrile
- triphenylphosphonium bromide to the reaction under heating and refluxing
- the reaction solvent is toluene, benzene or xylene, preferably Instead of toluene, it is preferable to add triethylamine and the compound represented by the general formula (13), and react with heating
- the compound represented by general formula (4a-11) can be produced by stannication or boronation (step G-2).
- diphenyl phosphate azide is added to the compound represented by the general formula (20) in the presence of a base such as triethylamine or diisopropylethylamine in a solvent such as toluene or xylene, and the mixture is heated to 50 to 150 ° C. Can be done.
- a base such as triethylamine or diisopropylethylamine in a solvent such as toluene or xylene
- the compound represented by general formula (4a-12) can be produced by stannation or boronation of the compound represented by general formula (4a-12) (step H-2).
- the compound represented by general formula (4a-13) can be produced by stannication or boronation (step J-2).
- step K-1 Can be produced by amidation (step K-1).
- the reaction can be carried out at room temperature to 100 ° C. by reacting ammonia water with the compound represented by the general formula (22).
- the general formula (24) In the synthesis route K, the general formula (24),
- the compound represented by general formula (23) can be produced by reacting the compound represented by general formula (23) with formaldehyde (step K-2).
- the reaction is preferably carried out by applying a formalin aqueous solution to formic acid under heating and refluxing conditions.
- a formalin aqueous solution to formic acid under heating and refluxing conditions.
- the compound represented by general formula (24) can be produced by dehydroxymethylation of the compound represented by the general formula (24) (step K-3).
- the reaction is preferably performed by heating to 60 ° C. to 150 ° C. in a solvent such as toluene or xylene.
- a solvent such as toluene or xylene.
- the compound represented by general formula (4a-14) can be produced by stannation or boronation (step K-4).
- the compound represented by general formula (4a-15) can be produced by stannation or boronation (step L-2).
- n is a compound (1c)
- the compound represented by the formula (1) is a compound (1b) in which n is 0 among the compounds represented by the general formula (1),
- R 1 , R 2 and Heterocycle are as described above.
- It can also be produced by oxidizing the compound represented by
- the reaction is carried out using hydrogen peroxide, t-butyl hydroperoxide, peracetic acid, permaleic acid, pertrifluoroacetic acid, m-chloroperbenzoic acid, magnesium monoperoxyphthalate or sodium perborate as an oxidizing agent.
- the reaction can be carried out in a solvent such as water, acetic acid, methylene chloride, chloroform or 1,2-dichloroethane at a reaction temperature of 0 ° C. to 150 ° C.
- an optically active isomer thereof or a pharmacologically acceptable salt thereof as a pharmaceutical any form of a solid composition, a liquid composition, and other compositions may be used. The best one is selected.
- the medicament of the present invention can be produced by blending the compound of the present invention with a pharmacologically acceptable carrier. Specifically, conventional excipients, extenders, binders, disintegrants, coating agents, sugar coatings, pH adjusters, solubilizers, aqueous or non-aqueous solvents, etc. are added, and by conventional formulation techniques, It can be prepared into tablets, pills, capsules, granules, powders, powders, solutions, emulsions, suspensions, injections, and the like.
- the dose of the compound of the present invention, its optically active form or a pharmacologically acceptable salt thereof varies depending on the disease, symptoms, body weight, age, sex, route of administration, etc., but it is preferable for oral administration to adults. Is about 0.01 to about 1000 mg / kg body weight / day, more preferably about 0.5 to about 200 mg / kg body weight / day, which can be administered once or divided into several times a day. it can. EXAMPLES Next, the present invention will be described with reference to specific examples, but the present invention is not limited to these examples.
- Example 2 The compound of Example 2 (60.1 g) and ethyl 4,4,4-trifluoro-2-butynoate (30.8 g) were dissolved in DMF (500 mL), potassium carbonate (51.1 g) was added, and at room temperature. Stir for 14 hours. After evaporating the solvent under reduced pressure, the residue was dissolved in ethyl acetate, the insoluble material was filtered off using Celite, water was added to the filtrate, and the mixture was extracted 3 times with ethyl acetate. The extract layer was washed with saturated brine, dried over anhydrous sodium sulfate, and the solvent was evaporated under reduced pressure.
- Example 12 The compound of Example 12 (13.9 g) of WO2006 / 095666 was dissolved in acetonitrile (400 mL), NBS (12.0 g) was added, and the mixture was stirred at 70 ° C. for 5 hours. A 10% aqueous sodium thiosulfate solution was added and acetonitrile was distilled off under reduced pressure. The residue was extracted three times with ethyl acetate. The extract layer was washed with saturated brine and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure. .
- Example 4 The compound of Example 4 (10.2 g) was dissolved in methanol (140 mL) and water (70 mL), potassium hydroxide (4.68 g) was added, and the mixture was stirred under heating under reflux for 3.5 hours. 1.0 mol / L Hydrochloric acid was added to adjust the pH to around 2, extracted with ethyl acetate three times, washed with saturated brine, dried over anhydrous sodium sulfate, and the solvent was evaporated under reduced pressure to obtain crude carboxylic acid (9.34 g). Obtained. The obtained carboxylic acid (9.34 g) was dissolved in ethanol (140 mL), concentrated sulfuric acid (7 mL) was added, and the mixture was stirred under heating under reflux for 4 hr.
- Example 12 The compound of Example 12 of WO2006 / 095666 and ethyl 2-pentynoate were reacted in the same manner as in Example 3 to obtain the target product as a yellow solid.
- Example 7> Benzyl 4-bromo-2-cyclopropyl-7-methoxypyrazolo [1,5-a] pyridine-3-carboxylate
- Example 12 The compound of Example 12 of WO2006 / 095666 and benzyl 3-cyclopropylpropiolate were reacted in the same manner as in Example 3 to obtain the desired product as a brown oil.
- 1H NMR (CDCl 3 , 400 MHz): ⁇ 0.94-0.99 (2H, m), 1.07-1.11 (2H, m), 2.35-2.41 (1H, m), 4.11 (3H, s), 5.42 (2H, s), 6.05 (1H, d, J 7.9 Hz), 7.31-7.40 (3H, m), 7.44-7.50 (3H, m).
- Example 6 The compound of Example 6 (3.53 g) was dissolved in dioxane (12.0 mL), methanol (6 mL), and water (9 mL), potassium hydroxide (3.64 g) was added, and the mixture was stirred under heating under reflux for 24 hours. . After the reaction solution was washed with ethyl acetate, the aqueous layer was adjusted to pH 2-3 with 1 mol / L hydrochloric acid and extracted three times with ethyl acetate. The combined extracts were dried over anhydrous sodium sulfate, and the solvent was distilled off under reduced pressure to obtain carboxylic acid (2.33 g) as a black solid.
- This carboxylic acid (2.63 g) was dissolved in ethanol (44 mL), concentrated sulfuric acid (2.20 mL) was added, and the mixture was stirred under heating under reflux for 4.5 hours.
- the reaction mixture was adjusted to pH 7 with 10% aqueous sodium hydroxide solution, the solvent was evaporated under reduced pressure, and the residue was adjusted to pH 8-9 with 10% aqueous sodium hydroxide solution.
- This aqueous solution was extracted three times with ethyl acetate, and the extracted layer was washed with a saturated aqueous sodium hydrogen carbonate solution and then saturated brine, and dried over anhydrous sodium sulfate.
- Example 7 The compound of Example 7 was reacted in the same manner as in Example 8 to obtain the target product as a pale yellow solid.
- Example 1 The compound of Example 1 (13.0 g) was dissolved in methanol (100 mL), and a mixture of triethylamine (13.0 mL) and trifluoroacetic anhydride (6.6 mL) and methanol (20 mL) was added at 0 ° C. And stirred for 17.5 hours. Water was added to the reaction mixture, and the mixture was extracted 3 times with ethyl acetate. The combined extracted layers were washed with saturated brine and dried over anhydrous sodium sulfate.
- 6-Bromo-2-hydroxy-3-methoxybenzaldehyde (1.00 g) was dissolved in methanol (30 mL), and sodium borohydride (164 mg) was added with stirring under ice cooling. After stirring at room temperature for 4 hours, dilute hydrochloric acid was added, and the mixture was extracted with ethyl acetate. The extract was washed with water and saturated brine, and dried over anhydrous sodium sulfate, and the solvent was evaporated under reduced pressure to give the object product (911 mg) as a pale-yellow powder.
- Example 12 The compound of Example 12 (910 mg) was dissolved in acetonitrile (10 mL), triphenylphosphonium bromide (1.47 g) was added, and the mixture was heated to reflux for 5 hours. The solvent was evaporated in half under reduced pressure, ethyl acetate (50 mL) was added, and the precipitated crystals were collected by filtration and dried to obtain the desired product (2.20 g) as a pale yellow powder.
- Triethylenediamine (224 mg) and dimethylthiocarbamoyl chloride (247 mg) were added to a solution of 6-bromo-2-hydroxy-3-methoxybenzaldehyde (231 mg) in DMF (4.0 mL), and the mixture was stirred at room temperature for 12 hours. After the solvent was distilled off under reduced pressure, water was added to the residue and the mixture was extracted with ethyl acetate. The extract layer was dried over anhydrous magnesium sulfate, and the residue obtained by evaporating the solvent was washed with diisopropyl ether to obtain the desired product (258 mg) as a pale yellow powder.
- Example 16 The compound of Example 16 (2.44 g) was suspended in isopropyl alcohol (60 mL), 1 mol / L sodium hydroxide (15.3 mL) was added, and the mixture was stirred at 60 ° C. for 30 min. The solvent was concentrated under reduced pressure, acidified with 5% hydrochloric acid, and extracted with ethyl acetate. The extract layer was washed with saturated brine, dried over anhydrous magnesium sulfate, and the solvent was evaporated under reduced pressure. The residue was dissolved in methanol (60 mL), sodium borohydride (580 mg) was added under ice cooling, and the mixture was stirred at room temperature for 30 min.
- Example 17 The compound of Example 17 (1.95 g) was dissolved in acetonitrile (15 mL), triphenylphosphonium bromide (2.90 g) was added, and the mixture was refluxed for 17 hours. The solvent was concentrated under reduced pressure and washed with ethyl acetate to obtain a colorless powder (4.39 g). Toluene (60 mL), trifluoroacetic anhydride (1.18 mL) and triethylamine (3.17 mL) were added to the obtained solid (4.35 g), and the mixture was refluxed for 3 hours. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate.
- NCS (618 mg) was added to a DMF (15 mL) solution of the compound of Example 19 (1.00 g), and the mixture was stirred at 70 ° C. for 30 minutes. After the reaction solution was brought to room temperature, NBS (823 mg) was added and stirred at 70 ° C. for 1 hour. A saturated aqueous sodium hydrogen carbonate solution was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The extract layer was washed successively with water and saturated brine, and dried over anhydrous magnesium sulfate.
- NBS 172 mg was added to a solution of 8-methoxyquinazoline (155 mg) in DMF (3 mL) and left at room temperature for 4 days.
- a 5% aqueous sodium hydrogen carbonate solution was added to the reaction mixture, and the mixture was extracted with ethyl acetate.
- the extract layer was washed successively with water and saturated brine, and then dried over anhydrous magnesium sulfate.
- the residue obtained by evaporating the solvent under reduced pressure was purified by silica gel column chromatography (ethyl acetate) to obtain the desired product (181 mg) as a white solid.
- Methyl 6-bromo-2-hydroxy-3-methoxybenzoate (8.30 g) was dissolved in aqueous ammonia (100 mL) and allowed to stand at 70 ° C. for 8 hours in a sealed tube. The precipitate was collected by filtration, dissolved in water, adjusted to pH 2-3 with 1 mol / L hydrochloric acid, and extracted twice with ethyl acetate. The combined extract layer was dried over anhydrous sodium sulfate. The solvent was distilled off under reduced pressure to obtain the desired product (4.34 g) as a white solid.
- Example 27 The compound of Example 27 (200 mg) was dissolved in a mixture of 37% formalin aqueous solution (1.0 mL) and formic acid (1.0 mL), and the mixture was stirred for 5 hours under reflux with heating.
- the reaction solution was added to ice water, neutralized with a saturated aqueous sodium carbonate solution, and extracted three times with ethyl acetate.
- Example 30 4-Bromo-7-methoxybenzo [d] oxazol-2 (3H) -one
- 6-bromo-2-hydroxy-3-methoxybenzoic acid (3.00 g) was dissolved in toluene (120 mL), and diphenylphosphoric acid azide (2.89 mL) and triethylamine (1.97 mL) were dissolved at room temperature. ) And stirred at 80 ° C. for 5 hours. After evaporating the solvent under reduced pressure, the residue was washed with ethyl acetate to obtain the desired product (597 mg) as a white solid.
- potassium t-butoxy (570 mg) was dissolved in DMSO (10 mL), formamide (0.202 mL) was added, and the mixture was stirred at room temperature for 1 hr.
- a saturated aqueous ammonium chloride solution was added to the reaction mixture, and the mixture was extracted 3 times with ethyl acetate. The combined organic layers were washed with saturated brine, dried over anhydrous sodium sulfate, and the solvent was evaporated under reduced pressure.
- Example 34 Under an argon atmosphere, the compound of Example 34 (5.63 g) was dissolved in THF (26 mL), a solution of sodium hexamethyldisilazane in THF (1.0 mol / L, 53.6 mL) was added, and the mixture was stirred at room temperature for 30 minutes. . A THF solution (26 mL) of t-butyl dicarbonate (5.85 g) was slowly added dropwise, followed by stirring at room temperature for 3 hours. A saturated aqueous ammonium chloride solution was added to the reaction mixture, and the mixture was extracted 3 times with ethyl acetate.
- Example 36 Under an argon atmosphere, the compound of Example 36 (5.12 g) was dissolved in DMF (100 mL), 60% sodium hydride (884 mg) was added at 0 ° C., and the mixture was stirred at room temperature for 30 min. Methyl iodide (1.38 mL) was added at 0 ° C., and the mixture was stirred at room temperature for 1 hour. The reaction mixture was poured into ice water, and the precipitate was collected by filtration to obtain the desired product (5.38 g) as a colorless powder.
- Example 37 The compound of Example 37 (3.59 g) was dissolved in dichloromethane (60 mL), trifluoroacetic acid (10 mL) was added, and the mixture was stirred at room temperature for 30 min. The solvent of the reaction solution was evaporated under reduced pressure, saturated aqueous sodium hydrogen carbonate solution was added, and the mixture was extracted 3 times with ethyl acetate. The combined extracted layers were washed with saturated brine, dried over anhydrous sodium sulfate, and the solvent was evaporated under reduced pressure. The obtained residue was purified by silica gel column chromatography (ethyl acetate) to obtain the desired product (2.56 g) as a green powder.
- 6-bromoisoquinoline (Bioorg. Med. Chem. Lett. 2002, 12, 827.) (200 mg) was dissolved in sulfuryl chloride (0.5 mL), and the mixture was stirred at 60 ° C. for 5 minutes. Sulfuryl chloride (0.5 mL) was added, and the mixture was further stirred for 10 minutes. Saturated aqueous sodium hydrogen carbonate solution was added to the reaction mixture, and the mixture was extracted 3 times with ethyl acetate.
- 6-Bromoisoquinoline 200 mg was dissolved in concentrated sulfuric acid (2.0 mL), NCS (257 mg) was added at 0 ° C., and the mixture was stirred at 0 ° C. for 1 hr. NCS (128 mg) was added, and the mixture was stirred at 50 ° C. for 5 hr. NCS (128 mg) was further added and stirred for 6 hr. The reaction solution was poured into ice, 10% aqueous sodium hydroxide solution was added to adjust the pH to 14, and the mixture was extracted 3 times with dichloromethane.
- 6-Bromoisoquinoline 200 mg was dissolved in chloroform (10 mL), m-chloroperbenzoic acid (510 mg) was added at 0 ° C., and the mixture was stirred at room temperature for 1 hr. Saturated aqueous sodium hydrogen carbonate solution and sodium thiosulfate pentahydrate (953 mg) were added to the reaction mixture, and the mixture was extracted 3 times with ethyl acetate.
- 6-bromoisoquinoline (209 mg), the compound of Example 26 (342 mg), and tetrakistriphenylphosphine palladium (116 mg) were dissolved in 1,4-dioxane (5.0 mL) to obtain 2.0 mol / L
- Aqueous sodium carbonate solution (1.50 mL) was added, and the mixture was stirred with heating under reflux for 2 hr. Water was added to the reaction mixture, and the mixture was extracted 3 times with ethyl acetate.
- Example 42 Using the compound of Example 42 and the compound of Example 26, the target product was obtained as a colorless powder in the same manner as in Example 47.
- Example 43 Using the compound of Example 43 and the compound of Example 26, the target product was obtained as a colorless powder in the same manner as in Example 47.
- Example 45 Using the compound of Example 45 and the compound of Example 22, the target product was obtained as a colorless powder in the same manner as in Example 47.
- Example 45 Using the compound of Example 45 and the compound of Example 9, the target product was obtained as a yellow powder by the same method as in Example 47.
- Example 45 Using the compound of Example 45 and the compound of Example 8, the target product was obtained as a yellow powder by the same method as in Example 47.
- Example 45 Using the compound of Example 45 and the compound of Example 21, the target product was obtained as a yellow powder by the same method as in Example 47.
- Example 45 Using the compound of Example 45 and the compound of Example 23, the target product was obtained as a yellow powder in the same manner as in Example 47.
- Example 45 Using the compound of Example 45 and the compound of Example 22, the target product was obtained as a white powder in the same manner as in Example 47.
- Example 41 300 mg and the compound of Example 45 (179 mg) were dissolved in 1,4-dioxane (7.0 mL), tetrakistriphenylphosphine palladium (80.9 mg) and 2.0 mol / L Aqueous sodium carbonate solution (1.4 mL) was added, and the mixture was stirred at 100 ° C. for 8 hr. Water was added to the reaction mixture, and the mixture was extracted 3 times with ethyl acetate. The combined organic layers were washed with saturated brine, dried over anhydrous sodium sulfate, and the solvent was evaporated under reduced pressure.
- the target product was obtained as a yellow powder by the method of Example 47 using the compound of Example 45 and 5-bromo-8-methoxyquinoline.
- Each isolated cDNA fragment was introduced into insect cells Sf9 by Gateway system (Invitrogen) and Bac-to-Bac (registered trademark) Baculovirus Expression system (Invitrogen) to express each target PDE protein.
- Gateway system Invitrogen
- Bac-to-Bac registered trademark Baculovirus Expression system
- PDE3Acat and PDE4Bcat were purified from the culture supernatant or cell extract of Sf9 cells highly expressing these PDE proteins by ion exchange chromatography, respectively, and used in the experiments shown below.
- a 4 mmol / L solution was diluted 4-fold with a 15% DMSO stepwise to prepare a solution having a concentration from 15 nmol / L to 4 mmol / L (the final concentration in the experiment was 1.5 nmol / L).
- [3H] cAMP diluted with 10 ⁇ L of these test compound solutions buffer [40 mmol / L Tris-HCl (pH 7.4), 10 mmol / L MgCl 2 ] and 2 ⁇ 10 ⁇ 6 unit amount (1 unit is pH 7.5) 40 ⁇ L of each human-derived recombinant PDE protein was added to a 96-well plate and reacted at 30 ° C. for 20 minutes.
- IC 50 value ⁇ 100 ⁇ mol / L (NI), 100 ⁇ mol / L> IC 50 value ⁇ 1 ⁇ mol / L ( ⁇ ), 1 ⁇ mol / L> IC 50 value ⁇ 0.1 ⁇ mol / L (+), 0.1 ⁇ mol / L> IC 50 value ⁇ 0.01 ⁇ mol / L (++), 0.01 ⁇ mol / L> I was expressed as a C 50 value (+++).
- LPS acute inflammation model in rats Lipopolysaccharide from E. coli serotype 055: B5 (LPS) 1 hour before inhalation of the compound, 3 mg / kg of compound was orally administered to rats, and 50 mL of LPS solution was fogged with a nebulizer And inhaled for 30 minutes. Three hours after LPS inhalation, rats were euthanized with 20% urethane (5 mL / rat, ip).
- bronchial / alveolar lavage fluid 5 ml of saline for bronchial / alveolar lavage is injected into the bronchial / alveolar lumen from the airway, washed 3 times with a 5 ml syringe, and this operation is repeated twice as a bronchial / alveolar lavage fluid (BALF) It was collected. Centrifuge the collected BALF at 1200 rpm, 10 min, 4 ° C (Hirtachi; himac CR 5 DL), resuspend the pellet in 10 mL of 0.1% Bovine serum albumin / saline solution, and then add an equal volume of Turku solution.
- BALF bronchial / alveolar lavage fluid
- the white blood cells were stained, the total white blood cell count was counted under a microscope, and the inhibition rate was calculated.
- Examples 47, 50, 51, 56, 57, and 58 showed a suppression rate of 50% or more.
- the compound of the present invention represented by the general formula (1) has PDE inhibitory activity, and its effectiveness was confirmed in animal experimental models.
- Such compounds having a PDE inhibitory action include therapeutic agents for angina pectoris, heart failure, hypertension, platelet aggregation inhibitors or bronchial asthma, chronic obstructive pulmonary disease (COPD), interstitial pneumonia, interstitial Cystitis, allergic conjunctivitis, allergic rhinitis, atopic dermatitis, osteoporosis, osteoarthritis, rheumatoid arthritis, nonalcoholic steatohepatitis, multiple sclerosis, Crohn's disease, inflammatory bowel disease, Huntington's disease, Alzheimer It is useful as a prophylactic or therapeutic agent for various psychiatric disorders such as dementia, Parkinson's disease, depression, schizophrenia, obesity, metabolic syndrome, etc., and as a therapeutic agent for male sexual dysfunction.
- COPD chronic obstructive pulmonary disease
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Abstract
Description
1) 一般式(1)、
Heterocycleは、下記一般式(2)、
で表されるイソキノリン誘導体、その光学活性体、薬理学的に許容しうるその塩又はその水和物、
2)前記一般式(1)で表される化合物のHeterocycleの連結部位が、一般式(1a)、
で表される上記1)記載のイソキノリン誘導体、その光学活性体、薬理学的に許容し得るその塩又はその水和物、
3)前記一般式(1)で示される化合物が、
で表される基である上記1)記載のイソキノリン誘導体、その光学活性体、薬理学的に許容し得るその塩又はその水和物、
4)前記一般式(1)で示される化合物のR4が、炭素数1~6のアルコキシ基である1)~3)のいずれかに記載のイソキノリン誘導体、その光学活性体、薬理学的に許容し得るその塩又はその水和物、
5)前記一般式(1)で示される化合物のR4が、炭素数1~6のアルキルアミノ基である請求項1)~3)のいずれかに記載のイソキノリン誘導体、その光学活性体、薬理学的に許容し得るその塩又はその水和物、
6)前記一般式(1)で示される化合物が、
(1)6-(7-メトキシ-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン-4-イル)イソキノリン、
(2)5-クロロ-6-(7-メトキシ-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン-4-イル)イソキノリン、
(3)6-(3-クロロ-7-メトキシ-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン-4-イル)イソキノリン、
(4)3-クロロ-4-(イソキノリン-6-イル)-N-メチル-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン-7-アミン、
(5)6-(3-クロロ-8-メトキシ-2-トリフルオロメチルイミダゾ[1,2-a]ピリジン-5-イル)イソキノリン、又は
(6)3-クロロ-5-(イソキノリン-6-イル)-N-メチル-2-トリフルオロメチルイミダゾ[1,2-a]ピリジン-8-アミン、
である上記1)記載のイソキノリン誘導体、その光学活性体、薬理学的に許容し得るその塩又はその水和物、
7)上記1)~6)の何れかに記載のイソキノリン誘導体、その光学活性体、薬理学的に許容し得るその塩又はその水和物を有効成分とするホスホジエステラーゼ(PDE)阻害剤。
8)上記1)~6)のいずれかに記載のイソキノリン誘導体、その光学活性体、薬理学的に許容し得るその塩又はその水和物を有効成分として含有する医薬、
9)狭心症、心不全、高血圧症、気管支喘息、慢性閉塞性肺疾患(COPD)、間質性肺炎、間質性膀胱炎、アレルギー性結膜炎、アレルギー性鼻炎、アトピー性皮膚炎、骨粗鬆症、関節リウマチ、変形性膝関節症、非アルコール性脂肪肝炎、多発性硬化症、クローン病、炎症性大腸炎、ハンチントン病、アルツハイマー、認知症、パーキンソン病、うつ病、統合失調症、肥満、メタボリックシンドロームの予防又は治療薬である上記8)記載の医薬に関するものである。
炭素数1~6のアルコキシ基とは、直鎖又は分岐鎖の炭素数1~6のアルコキシ基であり、好ましくは炭素数1~4のアルコキシ基である。例えば、メトキシ基や、エトキシ基、プロポキシ基、イソプロポキシ基、ブトキシ基、イソブトキシ基、sec-ブトキシ基、t-ブトキシ基などを挙げることができる。
炭素数1~6のアルキルアミノ基とは、直鎖又は分岐鎖の炭素数1~6のアルキルアミノ基であり、好ましくは炭素数1~4のアルキルアミノ基である。例えば、メチルアミノ基、エチルアミノ基、プロピルアミノ基、イソプロピルアミノ基、ブチルアミノ基、イソブチルアミノ基、sec-ブチルアミノ基、t-ブチルアミノ基、ジメチルアミノ基、メチル(エチル)アミノ基などを挙げることができる。
ハロゲン原子とは、フッ素原子、塩素原子、臭素原子、ヨウ素原子を挙げることができる。
薬理学的に許容し得るその塩としては、例えば、塩酸塩、臭化水素酸塩、酢酸塩、トリフルオロ酢酸塩、メタンスルホン酸塩、クエン酸塩、酒石酸塩などの酸付加塩を挙げることができる。
本発明の一般式(1)で表される化合物は、例えば、以下に示す合成経路Aにより製造することができる。
<合成経路A>
で表される化合物と、一般式(4a)、
で表される化合物をStilleクロスカップリング反応又は鈴木-宮浦クロスカップリング反応に付すことによって製造することができる。
<合成経路B>
で表される化合物と、一般式(4b)、
で表される化合物をStilleクロスカップリング反応又は鈴木-宮浦クロスカップリング反応に付すことによって製造することができる反応は合成経路Aと同様に行うことができる。
<合成経路C>
で表される化合物は、一般式(5)、
で表される化合物に、O-メシチレンスルホニルヒドロキシルアミン(以下、MSHとする)を作用させることによって製造することができる(工程C-1)。
で表される化合物を、塩基の存在下に作用させることによって製造することができる(工程C-2)。
で表される化合物は、一般式(7)で表される化合物をハロゲン化して製造することができる(工程C-3)。
で表される化合物は、一般式(8)で表される化合物を加水分解ならびに脱炭酸させることによって製造することができる(工程C-4)。
で表される化合物は、一般式(4a-1)で表される化合物をハロゲン化して製造することができる(工程C-5)。
で表される化合物は、一般式(4a-1)で表される化合物をスズ化又はホウ素化して製造することができる(工程C-6)。
合成経路Cにおいて、一般式(4b-2)、
で表される化合物は、一般式(4a-2)で表される化合物を、スズ化又はホウ素化して製造することができる(工程C-7)。
<合成経路C'>
で表される化合物に、MSHを作用させることによって製造することができる(工程C'-1)。
合成経路C'において、一般式(7')
で表される化合物は、一般式(6')で表される化合物と、一般式(9)で表される化合物を塩基の存在下に作用させることによって製造することができる(工程C'-2)。
合成経路C'において、一般式(4a-4)、
で表される化合物は、一般式(7')で表される化合物を加水分解ならびに脱炭酸させることによって製造することができる(工程C'-3)。
合成経路C'において、一般式(4a-6)、
で表される化合物は、一般式(4a-4)で表される化合物をハロゲン化して製造することができる(工程C'-4)。
合成経路C'において、一般式(4a-5)、
で表される化合物は、一般式(4a-4)で表される化合物のうちR6が保護基を有する水酸基の場合の化合物を、その水酸基の保護を除去した後に、生じた水酸基をトリフルオロメタンスルホニル化して製造することができる(工程C'-5)。
脱保護反応は、保護基がメトキシメチル基又はテトラヒドロピラニル基の場合、塩化水素含有メタノール、エタノール、酢酸エチル又はジエチルエーテルを用い0℃~常温下にて行うことができる。保護基がベンジル基又はp-メトキシベンジル基の場合、接触還元により行うことができる。また、保護基がp-メトキシベンジル基の場合、2,3-ジクロロ-5,6-ジシアノ-p-ベンゾキノン(DDQ)又はセリックアンモニウムナイトレート(CAN)などをジクロロメタン又はアセトニトリルなどの溶媒中、0℃~常温にて反応させて行うことができる。保護基が、t-ブチルジメチルシリル基、t-ブチルジフェニルシリル基又はトリイソプロピルシリル基などのシリル保護基の場合、フッ化カリウム、フッ化セシウム又はテトラブチルアンモニウムフルオリドを用い、アセトニトリル又はTHF溶媒中0℃~常温下に行うことができる。
合成経路C'において、一般式(4a-7)、
で表される化合物は、一般式(4a-6)で表される化合物の水酸基の保護を除去した後に、生じた水酸基をトリフルオロメタンスルホニル化して製造することができる(工程C'-6)。
合成経路Cにおいて、一般式(4a-1)又は(4a-2)で表される化合物のうちR4がアミノ基又は炭素数1~6のアルキルアミノ基である化合物、即ち、一般式(4a-1-1)、
又は一般式(4a-2-1)、
で表される化合物は、下記合成経路C''によっても製造することができる。
<合成経路C''>
で表される化合物又は一般式(4a-2-2)、
で表される化合物に、一般式(10)、
で表される化合物を作用させて製造することができる(工程C''-1)。
合成経路A及びBにおいて一般式(4a)及び一般式(4b)で表される化合物のうち、Heterocycleがトリアゾロピリジンである化合物は合成経路Dにより製造することができる。
<合成経路D>
で表される化合物は、一般式(11)、
で表される化合物にMSHを作用させることによって製造することができる(工程D-1)。
合成経路Dにおいて、一般式(4a-8)
で表される化合物は、一般式(12)で表される化合物に一般式(13)、
で表される化合物を塩基の存在下に作用させることによって製造することができる(工程D-2)。
合成経路Dにおいて、一般式(4b-3)、
で表される化合物は、一般式(4a-8)で表される化合物をスズ化又はホウ素化して製造することができる(工程D-3)。
合成経路A及びBにおいて、一般式(4a)及び一般式(4b)で表される化合物のうち、Heterocycleがイミダゾピリジンである化合物は、合成経路Eにより製造することができる。
<合成経路E>
で表される化合物は、一般式(14)、
で表される化合物に、一般式(17)、
で表される化合物を塩基の存在又は非存在下に作用させることによって製造することができる(工程E-1)。
合成経路Eにおいて、一般式(16)、
で表される化合物は、一般式(15)で表される化合物をハロゲン化して製造することができる(工程E-2)。
合成経路Eにおいて、一般式(4a-9)、
で表される化合物は、一般式(16)で表される化合物をハロゲン化して製造することができる(工程E-3)。
合成経路Eにおいて、一般式(4b-4)、
で表される化合物は一般式(4a-9)で表される化合物をスズ化又はホウ素化して製造することができる(工程E-4)。
合成経路A及びBにおいて、一般式(4a)及び一般式(4b)で表される化合物のうち、Heterocycleがベンゾチアゾールである化合物は合成経路Fにより製造することができる。
<合成経路F>
で表される化合物は、一般式(18)、
で表される化合物をハロゲン化して製造することができる(工程F-1)。
合成経路Fにおいて、一般式(4b-5)、
で表される化合物は、一般式(4a-10)で表される化合物をスズ化又はホウ素化して製造することができる(工程F-2)。
合成経路A及びBにおいて、一般式(4a)及び一般式(4b)で表される化合物のうち、Heterocycleがベンゾフラン又はベンゾチオフェンである化合物は、合成経路Gにより製造することができる。
<合成経路G>
で表される化合物は、一般式(19)、
で表される化合物をトリフェニルホスホニウムブロミドと反応させた後に、一般式(13)で表される化合物とを反応させることによって製造することができる(工程G-1)。
合成経路Gにおいて、一般式(4b-6)、
で表される化合物は、一般式(4a-11)で表される化合物をスズ化又はホウ素化して製造することができる(工程G-2)。
合成経路A及びBにおいて、一般式(4a)及び一般式(4b)で表される化合物のうち、Heterocycleがベンゾオキサゾロンである化合物は合成経路Hにより製造することができる。
<合成経路H>
で表される化合物は、一般式(20)、
で表される化合物を用いて製造することができる(工程H-1)。
合成経路Hにおいて、一般式(4b-7)、
で表される化合物は、一般式(4a-12)で表される化合物をスズ化又はホウ素化して製造することができる(工程H-2)。
合成経路A及びBにおいて、一般式(4a)及び一般式(4b)で表される化合物のうち、Heterocycleがキナゾリンである化合物は合成経路Jにより製造することができる。
<合成経路J>
で表される化合物は、一般式(21)、
で表される化合物をハロゲン化して製造することができる(工程J-1)。
合成経路Jにおいて、一般式(4b-8)、
で表される化合物は、一般式(4a-13)で表される化合物をスズ化又はホウ素化して製造することができる(工程J-2)。
合成経路A及びBにおいて、一般式(4a)及び一般式(4b)で表される化合物のうち、Heterocycleが2H-ベンゾ[e][1,3]オキサジン-4(3H)-オンである化合物は合成経路Kにより製造することができる。
<合成経路K>
で表される化合物は、一般式(22)、
で表される化合物をアミド化して製造することができる(工程K-1)。
反応は、一般式(22)で表される化合物にアンモニア水を作用させて、常温~100℃にて行うことができる。
合成経路Kにおいて、一般式(24)、
で表される化合物は、一般式(23)で表される化合物にホルムアルデヒドを反応させることにより製造することができる(工程K-2)。
合成経路Kにおいて、一般式(4a-14)、
で表される化合物は、一般式(24)で表される化合物を脱ヒドロキシメチル化して製造することができる(工程K-3)。
合成経路Kにおいて、一般式(4b-9)、
で表される化合物は、一般式(4a-14)で表される化合物をスズ化又はホウ素化して製造することができる(工程K-4)。
合成経路A及びBにおいて、一般式(4a)及び一般式(4b)で表される化合物のうち、Heterocycleが2H-ベンゾ[b][1,4]オキサジン-3(4H)-オンである化合物は合成経路Lにより製造することができる。
<合成経路L>
で表される化合物は、一般式(25)、
で表される化合物を、ハロゲン化して製造することができる(工程L-1)。
合成経路Lにおいて、一般式(4b-10)
で表される化合物は一般式(4a-15)で表される化合物をスズ化又はホウ素化して製造することができる(工程L-2)。
また、一般式(1)で表される化合物のうち、nが1の化合物(1c)、
で表される化合物は、一般式(1)で表される化合物のうち、nが0の化合物(1b)、
で表される化合物を酸化して製造することもできる。
本発明の化合物、その光学活性体又は薬理学的に許容し得るその塩を医薬として用いるためには、固体組成物、液体組成物、及びその他の組成物のいずれの形態でもよく、必要に応じて最適のものが選択される。本発明の医薬は、本発明の化合物に薬理学的に許容される担体を配合して製造することができる。具体的には、常用の賦形剤、増量剤、結合剤、崩壊剤、被覆剤、糖衣剤、pH調整剤、溶解剤、又は水性若しくは非水性溶媒などを添加し、常用の製剤技術によって、錠剤、丸剤、カプセル剤、顆粒剤、粉剤、散剤、液剤、乳剤、懸濁剤、注射剤、などに調製することができる。
実施例
次に本発明を具体例によって説明するが、これらの例によって本発明が限定されるものではない。
なお、本実施例中に引用されている合成中間体は、再公表WO98/14448号、特開平10-109988号、特開2006-117647号、特開2006-169138号、WO2006/095666号、特開2007-091597号、特開2008-24599号、特開2008-63265号、特開2008-69144号、WO2008/026687号、WO2008/029829号及びWO2008/029882号のパンフレット中の化合物を利用した。
<実施例1>
N-アミノ-2-アミノ-3-ブロモ-6-メトキシピリジニウムメシチレンスルホネート
1H NMR (DMSO-d6, 400 MHz):δ2.14 (3H, s), 2.47 (6H, s), 4.06 (3H, s), 5.73 (1H, s), 6.28 (2H, s), 6.45 (1H, d, J = 8.6 Hz), 6.71 (2H, s), 8.20 (1H, d, J = 8.6 Hz), 8.40 (2H, s).
<実施例2>
N-アミノ-2-メトキシピリジニウムメシチレンスルホネート
<実施例3>
7-メトキシ-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン-3-カルボン酸エチル
1H NMR (CDCl3, 400 MHz):δ1.42 (3H, t, J = 7.3 Hz), 4.20 (3H, s), 4.42 (2H, q, J = 7.3 Hz), 6.40 (1H, d, J = 7.6 Hz), 7.51 (1H, dd, J = 8.6, 7.6 Hz), 7.91 (1H, d, J = 8.6 Hz).
<実施例4>
4-ブロモ-7-メトキシ-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン-3-カルボン酸エチル
1H NMR (CDCl3, 400 MHz):δ1.42 (3H, t, J = 7.3 Hz), 4.19 (3H, s), 4.44 (2H, q, J = 7.3 Hz), 6.25 (1H, d, J = 7.9 Hz), 7.59 (1H, d, J = 7.9 Hz).
<実施例5>
4-ブロモ-7-メトキシ-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン
1H NMR (CDCl3, 400 MHz):δ4.18 (3H, s), 6.16 (1H, d, J = 8.6 Hz), 6.93 (1H, s), 7.43 (1H, d, J = 8.6 Hz).
<実施例6>
4-ブロモ-2-エチル-7-メトキシピラゾロ[1,5-a]ピリジン-3-カルボン酸エチル
1H NMR (CDCl3, 400 MHz):δ1.34 (3H, t, J = 7.6 Hz), 1.42 (3H, t, J = 7.3 Hz), 3.03 (2H, q, J = 7.3 Hz), 4.15 (3H, s), 4.41 (2H, q, J = 7.6 Hz), 6.09 (1H, d, J = 7.9 Hz), 7.50 (1H, d, J = 8.6 Hz).
EIMS (+) : 326 [M]+.
<実施例7>
4-ブロモ-2-シクロプロピル-7-メトキシピラゾロ[1,5-a]ピリジン-3-カルボン酸ベンジル
1H NMR (CDCl3, 400 MHz):δ0.94-0.99 (2H, m), 1.07-1.11 (2H, m), 2.35-2.41 (1H, m), 4.11 (3H, s), 5.42 (2H, s), 6.05 (1H, d, J = 7.9 Hz), 7.31-7.40 (3H, m), 7.44-7.50 (3H, m).
CIMS (+): 401 [M+H]+.
<実施例8>
4-ブロモ-2-エチル-7-メトキシピラゾロ[1,5-a]ピリジン
1H NMR (CDCl3, 400 MHz):δ1.36 (3H, t, J = 7.3 Hz), 2.90 (2H, q, J = 7.3 Hz), 4.12 (3H, s), 5.92 (1H, d, J = 8.0 Hz), 6.44 (1H, s), 7.24 (1H, d, J = 8.0 Hz).
EIMS (+): 254 [M]+.
<実施例9>
4-ブロモ-2-シクロプロピル-7-メトキシピラゾロ[1,5-a]ピリジン
1H NMR (CDCl3, 400 MHz):δ0.86-0.90 (2H, m), 1.02-1.06 (2H, m), 2.18-2.22 (1H, m), 4.12 (3H, s), 5.90 (1H, d, J = 7.9 Hz), 6.20 (1H, s), 7.23 (1H, d, J = 7.9 Hz).
EIMS (+): 266 [M]+.
<実施例10>
8-ブロモ-5-メトキシ-2-トリフルオロメチル-[1,2,4]トリアゾロ[1,5-a]ピリジン
1H NMR (CDCl3, 400 MHz):δ4.23 (3H, s), 6.41 (1H, d, J = 7.9 Hz), 7.87 (1H, d, J = 7.9 Hz).
EIMS (+): 295 [M]+.
<実施例11>
7-ブロモ-4-メトキシ-2-トリフルオロメチルベンゾチアゾール
1H NMR (200 MHz, CDCl3):δ4.06 (3H, s), 6.91 (1H, d, J = 8.5 Hz), 7.59 (1H, d, J = 8.5 Hz).
<実施例12>
3-ブロモ-2-ヒドロキシメチル-6-メトキシフェノール
1H NMR (CDCl3, 400 MHz):δ3.39 (3H, s), 4.91 (2H, s), 6.27 (1H, s), 6.70 (1H, d, J = 8.6 Hz), 7.07 (1H, d, J = 8.6 Hz).
<実施例13>
(6-ブロモ-2-ヒドロキシ-3-メトキシフェニル)メチルトリフェニルホスホニウムブロミド
<実施例14>
4-ブロモ-7-メトキシ-2-トリフルオロメチルベンゾフラン
1H NMR (CDCl3, 400 MHz):δ4.01 (3H, s), 6.82 (1H, d, J = 8.6 Hz), 7.20-7.21 (1H, m), 7.38 (1H, d, J = 8.6 Hz).
<実施例15>
O-(3-ブロモ-2-ホルミル-6-メトキシ)フェニル ジメチルチオカーバメート
1H NMR (CDCl3, 400 MHz):δ3.40 (3H, s), 3.45 (3H, s), 3.86 (3H, s), 7.05 (1H, d, J = 8.6 Hz), 7.51 (1H, d, J = 8.6 Hz), 10.20 (1H, s).
EIMS (+): 317 [M]+.
<実施例16>
S-(3-ブロモ-2-ホルミル-6-メトキシ)フェニル ジメチルチオカーバメート
1H NMR (CDCl3, 400 MHz):δ3.00 (3H, brs), 3.16 (3H, brs), 3.89 (3H, s), 6.97 (1H, d, J = 9.2 Hz), 7.64 (1H, d, J = 9.2 Hz), 10.25 (1H, s).
EIMS (+): 317 [M]+.
<実施例17>
(6-ブロモ-2-メルカプト-3-メトキシ)フェニルメタノール
1H NMR (CDCl3, 400 MHz):δ1.99 (1H, brs), 3.90 (3H, s), 4.46 (1H, s), 4.93 (2H, s), 6.71 (1H, d, J = 8.6 Hz), 7.33 (1H, d, J = 8.6 Hz).
EIMS (+): 248 [M]+.
<実施例18>
4-ブロモ-7-メトキシ-2-トリフルオロメチルベンゾ[b]チオフェン
1H NMR (CDCl3, 400 MHz):δ4.00 (3H, s), 6.75 (1H, d, J = 8.6 Hz), 7.53 (1H, d, J = 8.6 Hz), 7.79 (1H, q, J = 1.2 Hz).
EIMS (+): 310 [M]+.
<実施例19>
8-メトキシ-2-トリフルオロメチルイミダゾ[1,2-a]ピリジン
1H NMR (CDCl3, 400 MHz):δ4.03 (3H, s), 6.55 (1H, d, J = 7.9 Hz), 6.82 (1H, dd, J = 7.9, 6.7 Hz), 7.78 (1H, d, J = 6.7 Hz), 7.86 (1H, s).
EIMS (+): 216 [M]+.
<実施例20>
5-ブロモ-3-クロロ-8-メトキシ-2-トリフルオロメチルイミダゾ[1,2-a]ピリジン
1H NMR (CDCl3, 400 MHz):δ4.02 (3H, s), 6.46 (1H, d, J = 7.9 Hz), 7.05 (1H, d, J = 7.9 Hz).
CIMS (+): 330 [M+H]+.
<実施例21>
4-ブロモ-N-メチル-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン-7-アミン
1H NMR (CDCl3, 400 MHz):δ3.08 (3H, d, J = 5.5 Hz), 5.87 (1H, d, J = 8.6 Hz), 5.92 (1H, brs), 6.81 (1H, s), 7.39 (1H, d, J = 8.6 Hz).
EIMS (+): 293 [M]+.
<実施例22>
4-ブロモ-3-クロロ-7-メトキシ-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン
1H NMR (CDCl3, 400 MHz):δ4.17 (3H, s), 6.14 (1H, d, J = 7.9 Hz), 7.46 (1H, d, J = 7.9 Hz).
EIMS (+): 328 [M] +.
<実施例23>
4-ブロモ-3-クロロ-N-メチル-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン-7-アミン
1H NMR (CDCl3, 400 MHz):δ3.08 (3H, d, J = 4.9 Hz), 5.87 (1H, d, J = 7.9 Hz), 5.99 (1H, brs), 7.43 (1H, d, J = 7.9 Hz).
EIMS (+): 327 [M]+.
<実施例24>
5-ブロモ-8-メトキシキナゾリン
1H NMR (CDCl3, 400 MHz):δ4.10 (3H, s), 7.13 (1H, d, J = 8.6 Hz), 7.80 (1H, d, J = 8.6 Hz), 9.41 (1H, s), 9.69 (1H, s).
EIMS (+): 238 [M]+.
<実施例25>
2-エチル-4-メトキシ-7-(4,4,5,5-テトラメチル-[1,3,2]ジオキサボロラン-2-イル)ベンゾオキサゾール
1H NMR (CDCl3, 400 MHz):δ1.37 (12H, s), 1.46 (3H, t, J = 7.6 Hz), 3.00 (2H, q, J = 7.6 Hz), 4.03 (3H, s), 6.77 (1H, d, J = 8.6 Hz), 7.67 (1H, d, J = 8.6 Hz).
EIMS (+): 303 [M]+.
<実施例26>
7-メトキシ-4-(4,4,5,5-テトラメチル-[1,3,2]ジオキサボロラン-2-イル)-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン
1H NMR (DMSO-d6, 400 MHz):δ1.33 (12H, s), 4.16 (3H, s), 6.66 (1H, d, J = 7.9 Hz), 7.07 (1H, s), 7.77 (1H, d, J = 7.9 Hz).
<実施例27>
6-ブロモ-2-ヒドロキシ-3-メトキシベンズアミド
1H NMR (DMSO-d6, 400 MHz):δ3.78 (3H, s), 6.87 (1H, d, J = 9.2 Hz), 6.95-6.98 (1H, m), 7.40 (2H, s), 9.20 (1H, s).
EIMS (+): 245 [M]+.
<実施例28>
5-ブロモ-3-(ヒドロキシメチル)-8-メトキシ-2H-ベンゾ[e][1,3]オキサジン-4(3H)-オン
1H NMR (CDCl3, 400 MHz):δ3.64 (1H, brt, J = 5.5 Hz), 3.89 (3H, s), 5.08 (2H, d, J = 5.5 Hz), 5.36 (2H, s), 6.87 (1H, d, J = 8.6 Hz), 7.30 (1H, d, J = 8.6 Hz).
EIMS (+): 287 [M]+.
<実施例29>
5-ブロモ-8-メトキシ-2H-ベンゾ[e][1,3] オキサジン-4(3H)-オン
1H NMR (CDCl3, 400 MHz):δ3.80 (3H, s), 5.07-5.09 (2H, m), 7.09 (1H, d, J = 8.6 Hz), 7.28 (1H, d, J = 8.6 Hz), 8.87 (1H, brt, J = 4.5 Hz).
<実施例30>
4-ブロモ-7-メトキシベンゾ[d]オキサゾール-2(3H)-オン
1H NMR (DMSO-d6, 400 MHz):δ3.87 (3H, s), 6.79 (1H, d, J = 9.2 Hz), 7.25 (1H, d, J = 9.2 Hz), 12.10 (1H, s).
EIMS (+): 243 [M]+.
<実施例31>
5-ブロモ-8-メトキシ-2H-ベンゾ[b][1,4]オキサジン-3(4H)-オン
1H NMR (CDCl3, 400 MHz):δ3.09 (3H, s), 4.66 (2H, s), 6.57 (1H, d, J = 9.2 Hz), 7.14 (1H, d, J = 9.2 Hz), 7.79 (1H, brs).
EIMS (+) : 257 [M]+.
<実施例32>
2-(7-メトキシ-2-トリフルオロメチルベンゾ[b]チオフェン-4-イル)-4,4,5,5-テトラメチル-1,3,2-ジオキサボロラン
1H NMR (CDCl3, 400 MHz):δ1.39 (12H, s), 4.03 (3H, s), 6.87 (1H, d, J = 8.0 Hz), 7.93 (1H, d, J = 8.0 Hz), 8.31 (1H, d, J = 1.2 Hz).
<実施例33>
7-アミノ-4-ブロモ-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン
1H NMR (CDCl3, 400 MHz):δ5.26 (2H, s), 6.10 (1H, d, J = 7.9 Hz), 6.84 (1H, s), 7.34 (1H, d, J = 7.9 Hz).
EIMS (+) : 279 [M]+.
<実施例34>
2-トリフルオロメチルイミダゾ[1,2-a]ピリジン-8-アミン
1H NMR (CDCl3, 400 MHz):δ4.59 (2H, s), 6.39 (1H, dd, J = 7.3, 1.2 Hz), 6.72 (1H, t, J = 7.3 Hz), 7.59 (1H, d, J = 7.3 Hz), 7.81 (1H, d, J = 1.2 Hz).
EIMS (+) : 201 [M]+.
<実施例35>
5-ブロモ-2-トリフルオロメチルイミダゾ[1,2-a]ピリジン-8-アミン
1H NMR (CDCl3, 400 MHz):δ4.61 (2H, s), 6.38 (1H, d, J = 7.9 Hz), 6.93 (1H, d, J =7.9 Hz), 8.02 (1H, d, J = 1.2 Hz).
EIMS (+) : 279 [M]+.
<実施例36>
t-ブチル 2-トリフルオロメチルイミダゾ[1,2-a]ピリジン-8-イルカーバメート
1H NMR (CDCl3, 400 MHz):δ1.54 (9H, s), 6.88 (1H, t, J = 7.3 Hz), 7.79 (1H, d, J = 7.3 Hz), 7.82 (1H, s), 7.86 (1H, s), 7.91 (1H, d, J = 7.3 Hz).
ESIMS (+) : 301 [M+H]+.
<実施例37>
t-ブチル 2-トリフルオロメチルイミダゾ[1,2-a]ピリジン-8-イル(メチル)カーバメート
1H NMR (CDCl3, 400 MHz):δ1.41 (9H, s), 3.41 (3H, s), 6.88 (1H, t, J = 7.3 Hz), 7.20 (1H, d, J= 7.3 Hz), 7.90 (1H, s), 8.03 (1H, dd, J = 7.3, 1.2 Hz).
CIMS (+) : 316 [M+H]+.
<実施例38>
N-メチル-2-トリフルオロメチルイミダゾ[1,2-a]ピリジン-8-アミン
1H NMR (CDCl3, 400 MHz):δ2.98 (3H, d, J = 4.9 Hz), 5.21 (1H, brs), 6.12 (1H, d, J = 7.3 Hz), 6.77 (1H, t, J = 7.3 Hz), 7.50 (1H, d, J = 7.3 Hz), 7.78 (1H, s).
EIMS (+) : 215 [M]+.
<実施例39>
5-ブロモ-N-メチル-2-トリフルオロメチルイミダゾ[1,2-a]ピリジン-8-アミン
1H NMR (CDCl3, 400 MHz):δ2.97 (3H, d, J = 4.9 Hz), 5.24 (1H, brs), 6.09 (1H, d, J = 7.9 Hz), 6.97 (1H, d, J = 7.9 Hz), 7.99 (1H, s).
EIMS (+) : 293 [M]+.
<実施例40>
t-ブチル 3-クロロ-2-トリフルオロメチルイミダゾ[1,2-a]ピリジン-8-イル(メチル)カーバメート
1H NMR (CDCl3, 400 MHz):δ1.42 (9H, s), 3.40 (3H, s), 7.03 (1H, t, J = 7.3 Hz), 7.27 (1H, d, J = 7.3 Hz), 8.03 (1H, dd, J = 7.3, 1.2 Hz).
CIMS (+) : 350[M+H]+.
<実施例41>
t-ブチル 5-ブロモ-3-クロロ-2-トリフルオロメチルイミダゾ[1,2-a]ピリジン-8-イル(メチル)カーバメート
1H NMR (CDCl3, 400 MHz):δ1.41 (9H, s), 3.34 (3H, s), 7.06 (1H, d, J = 7.9 Hz), 7.13 (1H, d, J = 7.9 Hz).
CIMS (+) : 428 [M+H]+.
<実施例42>
6-ブロモ-4-クロロイソキノリン
1H NMR (CDCl3, 400 MHz):δ7.78 (1H, dd, J = 8.6, 1.8 Hz), 7.88 (1H, d, J = 8.6 Hz), 8.39 (1H, d, J = 1.8 Hz), 8.61 (1H, s), 9.12 (1H, s).
EIMS (+): 241 [M]+.
<実施例43>
6-ブロモ-5-クロロイソキノリン
1H NMR (CDCl3, 400 MHz):δ7.78 (1H, d, J = 8.6 Hz), 7.82 (1H, d, J = 8.6 Hz), 8.05 (1H, d, J = 6.1 Hz), 8.68 (1H, d, J = 6.1 Hz), 9.25 (1H, s).
EIMS (+): 241 [M]+.
<実施例44>
6-ブロモイソキノリン 2-オキシド
1H NMR (CDCl3, 400 MHz):δ7.60-7.61 (2H, m), 7.71 (1H, dd, J = 8.6, 1.5 Hz), 7.98 (1H, s), 8.16 (1H, dd, J = 7.3, 1.8 Hz), 8.74 (1H, s).
CIMS (+): 224 [M+H]+.
<実施例45>
6-(4,4,5,5-テトラメチル-1,3,2-ジオキサボロラン-2-イル)イソキノリン
1H NMR (CDCl3, 400 MHz):δ1.40 (12H, s), 7.68 (1H, d, J = 5.5 Hz), 7.96-7.96 (2H, m), 8.34 (1H, s), 8.54 (1H, d, J = 5.5 Hz), 9.27 (1H, s).
EIMS (+): 255 [M]+.
<実施例46>
4-クロロ-6-(4,4,5,5-テトラメチル-1,3,2-ジオキサボロラン-2-イル)イソキノリン
1H NMR (CDCl3, 400 MHz):δ1.41 (12H, s), 7.98 (1H, d, J = 8.6 Hz), 8.05 (1H, d, J = 8.6 Hz), 8.59 (1H, s), 8.67 (1H, s), 9.16 (1H, s).
EIMS (+): 289 [M]+.
<実施例47>
6-(7-メトキシ-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン-4-イル)イソキノリン
1H NMR (CDCl3, 400 MHz) :δ4.21 (3H, s), 6.82 (1H, d, J = 7.9 Hz), 7.32 (1H, s), 7.73 (1H, d, J = 7.9 Hz), 7.95 (1H, d, J = 5.5 Hz), 7.99 (1H, dd, J = 8.6, 1.2 Hz), 8.26 (1H, d, J = 8.6 Hz), 8.29 (1H, s), 8.55 (1H, d, J = 5.5 Hz), 9.37 (1H, s).
HREIMS (+): 343.0969 (C18H12F3N3Oとして計算値343.0932).
元素分析:実測値 C 62.60%, H 3.51%, N 11.88%, C18H12F3N3Oとして計算値C 62.97%, H 3.52%, N 12.24%.
<実施例48>
6-(7-メトキシ-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン-4-イル)イソキノリン 2-オキシド
1H NMR (CDCl3, 400 MHz) :δ4.26 (3H, s), 6.42 (1H, d, J = 7.9 Hz), 6.99 (1H, s), 7.41 (1H, d, J = 7.9 Hz), 7.75 (1H, d, J = 6.7 Hz), 7.87 (2H, s), 8.02 (1H, s), 8.21 (1H, d, J = 6.7 Hz), 8.82 (1H, s).
HRCIMS (+): 360.09821 (C18H13F3N3O2として計算値360.09599).
<実施例49>
4-クロロ-6-(7-メトキシ-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン-4-イル)イソキノリン
1H NMR (CDCl3, 400 MHz) :δ4.27 (3H, s), 6.44 (1H, d, J = 7.9 Hz), 7.02 (1H, s), 7.48 (1H, d, J = 7.9 Hz), 7.95 (1H, dd, J = 8.6, 1.8 Hz), 8.15 (1H, d, J = 8.6 Hz), 8.41 (1H, s), 8.66 (1H, s), 9.22 (1H, s).
HRESIMS (+): 378.06302 (C18H12ClF3N3Oとして計算値378.06210).
元素分析:実測値 C 57.29%, H 3.11%, N 10.87%, C18H11ClF3N3Oとして計算値C 57.23%, H 2.94%, N 11.12%.
<実施例50>
5-クロロ-6-(7-メトキシ-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン-4-イル)イソキノリン
1H NMR (CDCl3, 400 MHz) :δ4.27 (3H, s), 6.42 (1H, d, J = 7.9 Hz), 6.56 (1H, s), 7.37 (1H, d, J = 7.9 Hz), 7.65 (1H, d, J = 7.9 Hz), 8.03 (1H, d, J = 7.9 Hz), 8.16 (1H, d, J = 6.1 Hz), 8.74 (1H, d, J = 6.1 Hz), 9.35 (1H, s).
HRESIMS (+): 378.06192 (C18H12ClF3N3Oとして計算値378.06210).
元素分析:実測値 C 56.95%, H 3.00%, N 10.87%, C18H11ClF3N3Oとして計算値C 57.23%, H 2.94%, N 11.12%.
<実施例51>
6-(3-クロロ-7-メトキシ-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン-4-イル)イソキノリン
1H NMR (CDCl3, 400 MHz) :δ4.22 (3H, s), 6.84 (1H, d, J = 7.9 Hz), 7.54 (1H, d, J = 7.9 Hz), 7.78 (1H, dd, J = 8.6, 1.8 Hz), 7.89 (1H, d, J = 6.1 Hz), 8.06 (1H, d, J = 1.8 Hz), 8.20 (1H, d, J = 8.6 Hz), 8.55 (1H, d, J = 6.1 Hz), 9.38 (1H, s).
HRESIMS (+): 378.06245 (C18H12ClF3N3Oとして計算値378.06210).
元素分析:実測値 C 57.03%, H 3.22%, N 10.78%, C18H11ClF3N3Oとして計算値C 57.23%, H 2.94%, N 11.12%.
<実施例52>
4-クロロ-6-(3-クロロ-7-メトキシ-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン-4-イル)イソキノリン
1H NMR (CDCl3, 400 MHz):δ4.26 (3H, s), 6.41 (1H, d, J = 7.9 Hz), 7.32 (1H, d, J = 7.9 Hz), 7.76 (1H, dd, J = 8.6, 1.5 Hz), 8.08 (1H, d, J = 8.6 Hz), 8.24 (1H, s), 8.66 (1H, s), 9.23 (1H, s).
HRESIMS (+): 411.0152 (C18H10Cl2F3N3Oとして計算値411.0153).
<実施例53>
6-(2-シクロプロピル-7-メトキシピラゾロ[1,5-a]ピリジン-4-イル)イソキノリン
1H NMR (DMSO-d6, 400 MHz) :δ0.85-0.86 (2H, m), 0.96-1.00 (2H, m), 2.08-2.10 (1H, m), 4.12 (3H, s), 6.45 (1H, d, J = 7.9 Hz), 6.59 (1H, s), 7.46 (1H, d, J = 7.9 Hz), 7.91 (1H, d, J = 6.1 Hz), 7.96 (1H, dd, J = 8.6, 1.8 Hz), 8.21 (2H, d, J = 8.6 Hz), 8.53 (1H, d, J = 6.1 Hz), 9.34 (1H, s).
HRESIMS (+):316.14482 (C20H18N3Oとして計算値316.14499.
元素分析:実測値 C 75.84%, H 5.57%, N 12.91%, C20H17N3O・1/10H2Oとして計算値 C 75.74%, H 5.47%, N 13.25%.
<実施例54>
6-(2-エチル-7-メトキシピラゾロ[1,5-a]ピリジン-4-イル)イソキノリン
1H NMR (DMSO-d6, 400 MHz) :δ1.27 (3H, t, J = 7.3 Hz), 2.79 (2H, q, J = 7.3 Hz), 4.13 (3H, s), 6.47 (1H, d, J = 7.9 Hz), 6.67 (1H, s), 7.47 (1H, d, J = 7.9 Hz), 7.91 (1H, d, J = 6.1 Hz), 7.97 (1H, dd, J = 8.6, 1.8 Hz), 8.22 (2H, d, J = 8.6 Hz), 8.53 (1H, d, J = 6.1 Hz), 9.34 (1H, s).
HRESIMS (+):304.14534 (C19H18N3Oとして計算値304.14499.
元素分析:実測値 C 75.16%, H 5.81%, N 13.55%, C19H17N3Oとして計算値 C 75.22%, H 5.65%, N 13.85%.
<実施例55>
4-(イソキノリン-6-イル)-N-メチル-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン-7-アミン
1H NMR (CDCl3, 400 MHz) :δ3.18 (3H, d, J = 4.9 Hz), 6.15 (1H, d, J = 7.9 Hz), 6.14 (1H, brs), 6.99 (1H, s), 7.48 (1H, d, J = 7.9 Hz), 7.71 (1H, d, J = 6.1 Hz), 7.87 (1H, dd, J = 8.6, 1.8 Hz), 8.02 (1H, s), 8.07 (1H, d, J = 8.6 Hz), 8.57 (1H, d, J = 6.1 Hz), 9.29 (1H, s).
HREIMS (+): 342.1095 (C18H13F3N4として計算値342.1092).
<実施例56>
3-クロロ-4-(イソキノリン-6-イル)-N-メチル-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン-7-アミン
1H NMR (CDCl3, 400 MHz) :δ3.02 (3H, d, J = 4.9 Hz), 6.33 (1H, d, J = 7.9 Hz), 7.49 (1H, d, J = 7.9 Hz), 7.55 (1H, q, J = 4.9 Hz), 7.75 (1H, dd, J = 8.6, 1.5 Hz), 7.87 (1H, d, J = 6.1 Hz), 8.00 (1H, s), 8.16 (1H, d, J = 8.6 Hz), 8.52 (1H, d, J = 6.1 Hz), 9.35 (1H, s).
HREIMS (+): 376.0744 (C18H12ClF3N4として計算値376.0703).
<実施例57>
6-(3-クロロ-8-メトキシ-2-トリフルオロメチルイミダゾ[1,2-a]ピリジン-5-イル)イソキノリン
1H NMR (DMSO-d6, 400 MHz):δ4.02 (3H, s), 7.01 (1H, d, J = 7.9 Hz), 7.06 (1H, d, J = 7.9 Hz), 7.85 (1H, dd, J = 8.6, 1.5 Hz), 7.90 (1H, d, J = 6.1 Hz), 8.17 (1H, s), 8.19 (1H, d, J = 8.6 Hz), 8.58 (1H, d, J = 6.1 Hz).
HRESIMS (+):378.06210 (C18H12F3N3Oとして計算値378.06210).
元素分析:実測値 C 56.55%, H 3.01%, N 10.98%, C18H11F3N3O・1/5H2Oとして計算値 C 56.69%, H 3.01%, N 11.02%.
<実施例58>
3-クロロ-5-(イソキノリン-6-イル)-N-メチル-2-トリフルオロメチルイミダゾ[1,2-a]ピリジン-8-アミン
1H NMR (DMSO-d6, 400 MHz):δ2.88 (3H, d, J = 4.9 Hz), 6.34 (1H, d, J = 7.9 Hz), 6.77 (1H, q, J = 4.9 Hz), 6.97 (1H, d, J = 7.9 Hz), 7.79 (1H, dd, J = 7.9, 1.8 Hz), 7.88 (1H, d, J = 5.5 Hz), 8.09 (1H, s), 8.15 (1H, d, J = 7.9 Hz), 8.55 (1H, d, J = 5.5 Hz), 9.37 (1H, s).
HRESIMS (+) : 377.07770 (C18H13ClF3N4 として計算値 377.07808).
元素分析 : 実測値 C 57.22 %, H 3.21 %, N 14.80 %, C18H12ClF3N4として計算値 C 57.38 %, H 3.21 %, N 14.87 %.
<実施例59>
5-(イソキノリン-6-イル)-8-メトキシキノリン
1H NMR (DMSO-d6, 400 MHz):δ4.03 (3H, s), 7.33 (1H, d, J = 7.9 Hz), 7.55 (1H, dd, J = 8.6, 4.3 Hz), 7.62 (1H, d, J = 7.9 Hz), 7.78 (1H, dd, J = 8.6, 1.5 Hz), 7.90 (1H, d, J = 5.5 Hz), 8.06 (1H, s), 8.20 (1H ,dd, J = 8.6, 1.5 Hz), 8.25 (1H, d, J = 8.6 Hz), 8.56 (1H, d, J = 5.5 Hz), 8.90 (1H, dd, J = 4.3, 1.8 Hz).
HREIMS (+):286.1137 (C19H14N2Oとして計算値286.1106).
元素分析:実測値 C 79.29%, H 5.02%, N 9.61%, C19H14N2O・1/10H2Oとして計算値 C 79.20%, H 4.97%, N 9.72%.
<実験例1> ホスホジエステラーゼ阻害活性
PDE3A触媒領域(以下PDE3Acatと略す)及び PDE4Bcatの cDNAはヒト由来のRNAよりそれぞれRT-PCRを行い単離した。各単離したcDNA断片をGateway system (Invitrogen社製)及びBac-to-Bac(登録商標) Baculovirus Expression system (Invitrogen社製)で昆虫細胞Sf9に導入し、目的の各PDEタンパクを発現させた。これら組み換えPDE3Acat及びPDE4BcatはこれらPDEタンパクを高発現したSf9細胞の培養上清もしくは細胞抽出液からそれぞれイオン交換クロマトグラフィーで精製し、以下に示す実験に用いた。
IC50値≧0.1μmol/L (+)、0.1μmol/L>IC50値≧0.01μmol/L(++)、0.01μmol/L>I
C50値 (+++)として表記した。
Lipopolysaccharide from E.coli serotype 055:B5(LPS)吸入の1時間前に化合物3 mg/kgをラットに経口投与し、50 mLのLPS溶液をネブライザーで霧化して30分間吸入させた。LPS吸入3時間後、ラットを20% urethane(5 mL/rat, i.p.)で安楽死させた。気道より5 mlの気管支・肺胞洗浄用生理食塩液を気管支・肺胞内腔に注入し,5 ml注射筒で3回洗浄し、この操作を2回繰り返し気管支・肺胞洗浄液(BALF)として回収した。回収したBALFを1200 rpm、10 min、4℃(Hirtachi; himac CR 5 DL)で遠心し、沈査を10 mLの0.1% Bovine serum albumin/生理食塩液で再懸濁した後,等量のチュルク液を加え白血球を染色し、顕微鏡下にて総白血球数を数え抑制率を算出した。
上記方法にて測定した結果、例えば実施例47、50、51、56、57、及び58は50%以上の抑制率を示した。
以上のように、一般式(1)で表される本発明化合物はPDE阻害活性を有し、動物実験モデルにおいてその有効性が確認された。
Claims (9)
- 一般式(1)、
[式中、R1及びR2は、同一又は異なり、水素原子又はハロゲン原子を示し、nは、0又は1を示し、Heterocycleは、下記一般式(2)、
(式中、R3は、水素原子、ハロゲン原子で置換されていてもよい炭素数1~6のアルキル基又は炭素数3~8のシクロアルキル基を示し、R4は、炭素数1~6のアルコキシ基、アミノ基又は炭素数1~6のアルキルアミノ基を示し、R5は、水素原子又はハロゲン原子を示し、Xは、NH、O又はSを示し、Yは、O又はSを示し、Zは、CH又はNを示す。)で表される複素環を示す。]
で表されるイソキノリン誘導体、その光学活性体、薬理学的に許容しうるその塩又はその水和物。 - 前記一般式(1)で示される化合物のR4が、炭素数1~6のアルコキシ基である請求項1~3のいずれか1項に記載のイソキノリン誘導体、その光学活性体、薬理学的に許容し得るその塩又はその水和物。
- 前記一般式(1)で示される化合物のR4が、炭素数1~6のアルキルアミノ基である請求項1~3のいずれか1項に記載のイソキノリン誘導体、その光学活性体、薬理学的に許容し得るその塩又はその水和物。
- 前記一般式(1)で示される化合物が、
(1)6-(7-メトキシ-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン-4-イル)イソキノリン、
(2)5-クロロ-6-(7-メトキシ-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン-4-イル)イソキノリン、
(3)6-(3-クロロ-7-メトキシ-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン-4-イル)イソキノリン、
(4)3-クロロ-4-(イソキノリン-6-イル)-N-メチル-2-トリフルオロメチルピラゾロ[1,5-a]ピリジン-7-アミン、
(5)6-(3-クロロ-8-メトキシ-2-トリフルオロメチルイミダゾ[1,2-a]ピリジン-5-イル)イソキノリン、又は
(6)3-クロロ-5-(イソキノリン-6-イル)-N-メチル-2-トリフルオロメチルイミダゾ[1,2-a]ピリジン-8-アミン、
である請求項1記載のイソキノリン誘導体、その光学活性体、薬理学的に許容し得るその塩又はその水和物。 - 請求項1~6の何れか1項に記載のイソキノリン誘導体、その光学活性体、薬理学的に許容し得るその塩又はその水和物を有効成分とするホスホジエステラーゼ(PDE)阻害剤。
- 請求項1~6のいずれか1項に記載のイソキノリン誘導体、その光学活性体、薬理学的に許容し得るその塩又はその水和物を有効成分として含有する医薬組成物。
- 狭心症、心不全、高血圧症、気管支喘息、慢性閉塞性肺疾患(COPD)、間質性肺炎、間質性膀胱炎、アレルギー性結膜炎、アレルギー性鼻炎、アトピー性皮膚炎、骨粗鬆症、関節リウマチ、変形性膝関節症、非アルコール性脂肪肝炎、多発性硬化症、クローン病、炎症性大腸炎、ハンチントン病、アルツハイマー、認知症、パーキンソン病、うつ病、統合失調症、肥満、メタボリックシンドロームの予防又は治療薬である請求項8記載の医薬組成物。
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US13/123,274 US20110224250A1 (en) | 2008-10-09 | 2009-10-08 | Isoquinoline derivative, and pde inhibitor comprising same as active ingredient |
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WO2013018371A1 (ja) * | 2011-08-03 | 2013-02-07 | 杏林製薬株式会社 | ビアリールエステル誘導体、及びそれを含む医薬 |
WO2013018374A1 (ja) * | 2011-08-03 | 2013-02-07 | 杏林製薬株式会社 | ケトン誘導体、及びそれを含む医薬 |
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US8952162B2 (en) | 2008-12-19 | 2015-02-10 | Leo Pharma A/S | Triazolopyridines as phosphodiesterase inhibitors for treatment of dermal diseases |
DE102020105700A1 (de) * | 2020-03-03 | 2021-09-09 | Technische Hochschule Köln | Arylcyclohexylamin-Derivate und Verfahren zu deren Herstellung |
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WO2013018372A1 (ja) * | 2011-08-03 | 2013-02-07 | 杏林製薬株式会社 | アミド誘導体、及びそれを含む医薬 |
WO2013018371A1 (ja) * | 2011-08-03 | 2013-02-07 | 杏林製薬株式会社 | ビアリールエステル誘導体、及びそれを含む医薬 |
WO2013018374A1 (ja) * | 2011-08-03 | 2013-02-07 | 杏林製薬株式会社 | ケトン誘導体、及びそれを含む医薬 |
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EP2351748A4 (en) | 2012-03-21 |
US20110224250A1 (en) | 2011-09-15 |
JPWO2010041711A1 (ja) | 2012-03-08 |
EP2351748A1 (en) | 2011-08-03 |
TW201020233A (en) | 2010-06-01 |
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