JP6419085B2 - 肺高血圧症治療剤 - Google Patents
肺高血圧症治療剤 Download PDFInfo
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- JP6419085B2 JP6419085B2 JP2015550974A JP2015550974A JP6419085B2 JP 6419085 B2 JP6419085 B2 JP 6419085B2 JP 2015550974 A JP2015550974 A JP 2015550974A JP 2015550974 A JP2015550974 A JP 2015550974A JP 6419085 B2 JP6419085 B2 JP 6419085B2
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- 238000007918 intramuscular administration Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 229950003690 isbogrel Drugs 0.000 description 1
- 125000002510 isobutoxy group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])O* 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000004491 isohexyl group Chemical group C(CCC(C)C)* 0.000 description 1
- 125000000904 isoindolyl group Chemical group C=1(NC=C2C=CC=CC12)* 0.000 description 1
- 150000002527 isonitriles Chemical class 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000000555 isopropenyl group Chemical group [H]\C([H])=C(\*)C([H])([H])[H] 0.000 description 1
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000005956 isoquinolyl group Chemical group 0.000 description 1
- 239000007951 isotonicity adjuster Substances 0.000 description 1
- 229960000448 lactic acid Drugs 0.000 description 1
- 235000019388 lanolin Nutrition 0.000 description 1
- 229940039717 lanolin Drugs 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229960003511 macrogol Drugs 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 229960002510 mandelic acid Drugs 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- IWVKTOUOPHGZRX-UHFFFAOYSA-N methyl 2-methylprop-2-enoate;2-methylprop-2-enoic acid Chemical compound CC(=C)C(O)=O.COC(=O)C(C)=C IWVKTOUOPHGZRX-UHFFFAOYSA-N 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- WBYWAXJHAXSJNI-UHFFFAOYSA-N methyl p-hydroxycinnamate Natural products OC(=O)C=CC1=CC=CC=C1 WBYWAXJHAXSJNI-UHFFFAOYSA-N 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 125000002816 methylsulfanyl group Chemical group [H]C([H])([H])S[*] 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- 229910000403 monosodium phosphate Inorganic materials 0.000 description 1
- 235000019799 monosodium phosphate Nutrition 0.000 description 1
- 150000002780 morpholines Chemical class 0.000 description 1
- 125000002757 morpholinyl group Chemical group 0.000 description 1
- 210000002464 muscle smooth vascular Anatomy 0.000 description 1
- 125000006606 n-butoxy group Chemical group 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003506 n-propoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 239000007923 nasal drop Substances 0.000 description 1
- 229940100662 nasal drops Drugs 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 235000001968 nicotinic acid Nutrition 0.000 description 1
- 229960003512 nicotinic acid Drugs 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 239000004006 olive oil Substances 0.000 description 1
- 235000008390 olive oil Nutrition 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- 125000005702 oxyalkylene group Chemical group 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 235000019271 petrolatum Nutrition 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 229960001802 phenylephrine Drugs 0.000 description 1
- SONNWYBIRXJNDC-VIFPVBQESA-N phenylephrine Chemical compound CNC[C@H](O)C1=CC=CC(O)=C1 SONNWYBIRXJNDC-VIFPVBQESA-N 0.000 description 1
- 229960003733 phenylephrine hydrochloride Drugs 0.000 description 1
- OCYSGIYOVXAGKQ-FVGYRXGTSA-N phenylephrine hydrochloride Chemical compound [H+].[Cl-].CNC[C@H](O)C1=CC=CC(O)=C1 OCYSGIYOVXAGKQ-FVGYRXGTSA-N 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 125000004592 phthalazinyl group Chemical group C1(=NN=CC2=CC=CC=C12)* 0.000 description 1
- 150000003053 piperidines Chemical class 0.000 description 1
- 125000003386 piperidinyl group Chemical group 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000000244 polyoxyethylene sorbitan monooleate Substances 0.000 description 1
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 1
- 229920000053 polysorbate 80 Polymers 0.000 description 1
- 229940068968 polysorbate 80 Drugs 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 210000001147 pulmonary artery Anatomy 0.000 description 1
- 125000004307 pyrazin-2-yl group Chemical group [H]C1=C([H])N=C(*)C([H])=N1 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 125000002098 pyridazinyl group Chemical group 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000719 pyrrolidinyl group Chemical group 0.000 description 1
- 125000005493 quinolyl group Chemical group 0.000 description 1
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 210000005241 right ventricle Anatomy 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000008159 sesame oil Substances 0.000 description 1
- 235000011803 sesame oil Nutrition 0.000 description 1
- 208000013220 shortness of breath Diseases 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 208000010110 spontaneous platelet aggregation Diseases 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- FAGLEPBREOXSAC-UHFFFAOYSA-N tert-butyl isocyanide Chemical compound CC(C)(C)[N+]#[C-] FAGLEPBREOXSAC-UHFFFAOYSA-N 0.000 description 1
- 229940124597 therapeutic agent Drugs 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- 235000010487 tragacanth Nutrition 0.000 description 1
- 239000000196 tragacanth Substances 0.000 description 1
- 229940116362 tragacanth Drugs 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
- 230000000304 vasodilatating effect Effects 0.000 description 1
- 230000001196 vasorelaxation Effects 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000003871 white petrolatum Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/06—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/4353—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom ortho- or peri-condensed with heterocyclic ring systems
- A61K31/4365—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom ortho- or peri-condensed with heterocyclic ring systems the heterocyclic ring system having sulfur as a ring hetero atom, e.g. ticlopidine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/47—Quinolines; Isoquinolines
- A61K31/472—Non-condensed isoquinolines, e.g. papaverine
- A61K31/4725—Non-condensed isoquinolines, e.g. papaverine containing further heterocyclic rings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/12—Antihypertensives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/14—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 three or more hetero rings
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D407/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00
- C07D407/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing three or more hetero rings
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
- C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D495/04—Ortho-condensed systems
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- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Description
本明細書中において、「ポジティブアロステリック制御」又は「ポジティブアロステリックモジュレーター活性」とは、PGI2受容体のオルソステリック結合部位ではなく、アロステリック結合部位に結合して、PGI2受容体オルソステリック制御物質(PGI2受容体アゴニスト)による生体内反応を増強することを意味する。ここで、「オルソステリック結合部位」は、PGI2受容体の内在性リガンド(アゴニスト)が結合する場所であり、「アロステリック結合部位」は、受容体の内在性リガンドが結合する場所とは異なる場所で、そこに結合する物質によって受容体機能が影響を受ける場所である。そして、「ポジティブアロステリック制御剤」又は「ポジティブアロステリックモジュレーター」という語は、上記の「ポジティブアロステリック制御」又は「ポジティブアロステリックモジュレーター活性」を示す化合物及び当該化合物を含む組成物を意味する。
本発明のPGI2受容体のポジティブアロステリック制御剤は、式(1)〜(3)で表されるテトラゾール誘導体を有効成分として含むことを特徴とする。
2-((2-(benzyloxy)phenyl)(1-tert-butyl-1H-tetrazol-5-yl)methyl)-1,2,3,4-tetrahydroisoquinoline
2-((1-tert-butyl-1H-tetrazol-5-yl)(2-methoxyphenyl)methyl)-1,2,3,4-tetrahydroisoquinoline、
2-((1-tert-butyl-1H-tetrazol-5-yl)(4-isopropoxyphenyl)methyl)-1,2,3,4-tetrahydroisoquinoline、
2-((1-tert-butyl-1H-tetrazol-5-yl)(2-chlorophenyl)methyl)-1,2,3,4-tetrahydroisoquinoline、
2-((1-tert-butyl-1H-tetrazol-5-yl)(2-fluorophenyl)methyl)-1,2,3,4-tetrahydroisoquinoline、
2-((1-tert-butyl-1H-tetrazol-5-yl)(2-methylthiophenyl)methyl)-1,2,3,4-tetrahydroisoquinoline、
2-((1-tert-butyl-1H-tetrazol-5-yl)(2-ethoxyphenyl)methyl)-1,2,3,4-tetrahydroisoquinoline、
2-((1-tert-butyl-1H-tetrazol-5-yl)(2-hydroxyphenyl)methyl)-1,2,3,4-tetrahydroisoquinoline、
2-((1-adamantyl-1H-tetrazol-5-yl)(2-methoxyphenyl)methyl)-1,2,3,4-tetrahydroisoquinoline、
2-((2-methoxyphenyl)(1-(1-methylcyclohexyl)-1H-tetrazol-5-yl)methyl)-1,2,3,4-tetrahydroisoquinoline、
2-((1-tert-butyl-1H-tetrazol-5-yl)(thiophen-2-yl)methyl)-1,2,3,4-tetrahydroisoquinoline、
2-((1-tert-butyl-1H-tetrazol-5-yl)(thiophen-3-yl)methyl)-1,2,3,4-tetrahydroisoquinoline、
2-((1-tert-butyl-1H-tetrazol-5-yl)(furan-2-yl)methyl)-1,2,3,4-tetrahydroisoquinoline、
2-((1-tert-butyl-1H-tetrazol-5-yl)(furan-3-yl)methyl)-1,2,3,4-tetrahydroisoquinoline、
2-((1-tert-butyl-1H-tetrazol-5-yl)(1H-indol-3-yl)methyl)-1,2,3,4-tetrahydroisoquinoline
2-((2-methoxyphenyl)(1-(tert-pentyl)-1H-tetrazol-5-yl)methyl)-1,2,3,4-tetrahydroisoquinoline
本発明に係る上記式(1)のテトラゾール誘導体は、典型的には、以下の方法により製造することができる(スキーム1)。
[式中、R2とR4は前記と同義である。]で表される化合物(a)と、以下の:
[式中、R1は前記と同義である。]で表されるイソシアニド誘導体(b)と、以下の:
[式中、R3は前記と同義である。]で表されるテトラヒドロイソキノリン(c)およびトリメチルシリルアジドを溶媒中反応させることにより合成することができる。式(1)におけるAがフェニル基以外の場合についても同様の方法により製造することができる。また、上記式(2)及び(3)で表される化合物も同様の反応を用いて製造することができる。
本発明の有効成分である種々のテトラゾール誘導体の合成を以下のとおり行った。
2-((2-(benzyloxy)phenyl)(1-tert-butyl-1H-tetrazol-5-yl)methyl)-1,2,3,4-tetrahydroisoquinolineの合成
100 mlナス型フラスコに、メタノール10 mL、2-ベンジルオキシベンズアルデヒド 0.21g(1.0mmol)、1,2,3,4-テトラヒドロイソキノリン0.28g(2.1mmol)、トリメチルシリルアジド0.24g(2.1mmol)、t-ブチルイソシアニドを加えた。室温中で15時間撹拌後、エバポレータにより濃縮した。得られた残渣をシリカゲルカラムクロマトグラフィー(n-Hexane:AcOEt=5:1 v/v)により精製し、目的化合物を0.45g(収率99%)得た。
実施例1と同様にして、以下の表1で示す化合物を作成した。
2-((1-tert-butyl-1H-tetrazol-5-yl)(3,4-dihydroisoquinolin-2(1H)-yl)methyl)phenolの合成
300ml耐圧力ガラス容器に、酢酸エチル45mL、実施例1の化合物0.45g(1.0 mmol)、パラジウム炭素0.11g(10wt%) を加えた。水素雰囲気下(0.36MPa) において室温中で3時間撹拌した。その後、セライトでろ過を行い、得られた溶液をエバポレータにより濃縮した。残渣をシリカゲルカラムクロマトグラフィー(n-Hexane:AcOEt=3:1 v/v)により精製し、目的化合物を0.33g(収率89%)得た。
1H-NMR (CDCl3, δ) 1.75 (s, 9 H), 2.88-2.95 (m, 2 H), 3.06-3.15 (m, 1 H), 3.27-3.35 (m, 1 H), 3.68 (d, J = 14.4 Hz, 1 H), 4.21 (d, J = 14.7 Hz, 1 H), 6.02 (s, 1 H), 6.24 (d, J = 7.8 Hz, 1 H), 6.75 (dt, J = 1.2, 7.5 Hz, 1 H), 6.94 (dd, J = 1.2, 8.1 Hz, 2 H), 7.08-7.16 (m, 3 H), 7.24 (dt, J = 1.2, 7.7 Hz, 1 H)
2-((1-tert-butyl-1H-tetrazol-5-yl)(3,4-dihydroisoquinolin-2(1H)-yl)methyl)anilineの合成
300ml耐圧力ガラス容器に、酢酸エチル100ml、実施例11の化合物0.5g (1.27mmol)、パラジウム炭素0.1g(10wt%)を加えた。水素雰囲気(0.36MPa)において室温中で3時間撹拌した。その後、セライトでろ過を行い、得られた溶液をエバポレーターにより濃縮した。残渣をシリカゲルカラムクロマトグラフィー(n-Hexane:AcOEt=2:1 v/v)により精製し、目的化合物を0.39g(収率85%)得た。
1H-NMR (CDCl3, δ)1.64 (s, 9H), 2.81-3.25 (m, 4H), 3.70 (d, J = 14.4 Hz, 1H), 4.24 (d, J = 14.1 Hz, 1H), 4.71 (s, 2H), 5.87 (s, 1H), 6.39-7.18 (m, 8H)
実施例1と同様にして、以下の表2で示す化合物を作成した。
以下の試験例1〜4(Method A〜D)及び試験例5(マグヌス試験)に示す通り、本発明の有効成分であるテトラゾール誘導体のPGI2受容体(IP)に対するポジティブアロステリック制御活性の評価を行った。
PGI 2 受容体ポジティブアロステリックモジュレーター活性の評価
ヒトPGI2受容体(hIP)を安定的に発現させたCHO-K1細胞(CHO/hIP細胞)を用いて、IPアゴニストであるイロプロスト(Iloprost、CAYMAN CHEMICAL社製)100pM存在下、被検化合物のポジティブアロステリックモジュレーター活性を細胞内cAMP(cyclic AMP)量の変化として測定した。
DMSOに溶解したイロプロストとDMSOに溶解した被検化合物の混合物(0.1%BSAを含むF-12培地(GIBCO社製)で希釈)5uLを予め384穴黒色マイクロプレートに分注し、これに0.1%BSAを含むF-12培地中に縣濁した1.6×106細胞/mlのCHO/hIP細胞5uLを添加した。室温で40分間インキュベーション後、cAMP アッセイキット(cAMP HiRange、Cisbio Bioassays社製)を用いてcAMP量を測定した。即ち、キット中のcAMP-d2液(細胞溶解液含む)5uLを添加して反応を停止、続いてキット中の蛍光標識cAMP抗体液5uLを加え、室温で1時間インキュベーションしたのち、プレートリーダーPherastar(BMG社製)のHTRF(登録商標) モードで蛍光測定した。標準サンプルを用いたcAMPの検量線より、各ウエルのcAMP量を算出し、被検化合物の活性はイロプロスト100pM単独でのcAMP量を基準としたT/C(%)で表記した。結果を表3に示す。本表に記載の化合物は全てAsinex社から購入したものである。
PGI 2 受容体ポジティブアロステリックモジュレーター活性の評価
ヒトPGI2受容体(hIP)を安定的に発現させたCHO-K1細胞(CHO/hIP細胞)を用いて、IPアゴニストであるエポプロステノール(Epoprostenol、GlaxoSmithKline社製) 1nM存在下、被検化合物のポジティブアロステリックモジュレーター活性を細胞内cAMP(cyclic AMP)量の変化として測定した。
DMSOに溶解したエポプロステノールとDMSOに溶解した被検化合物の混合物(0.1%BSAを含むF-12培地(GIBCO社製)培地で希釈)5uLを予め384穴黒色マイクロプレートに分注し、これに0.1%BSAを含むF-12培地中に縣濁した1.4×106細胞/mlのCHO/hIP細胞5uLを添加した。室温で40分間インキュベーション後、cAMP アッセイキット(cAMP HiRange、Cisbio Bioassays社製)を用いてcAMP量を測定した。即ち、キット中のcAMP-d2液(細胞溶解液含む)5uLを添加して反応を停止、続いてキット中の蛍光標識cAMP抗体液5uLを加え、室温で1時間インキュベーションしたのち、プレートリーダーPherastar(BMG社製)のHTRF(登録商標) モードで蛍光測定した。標準サンプルを用いたcAMPの検量線より、各ウエルのcAMP量を算出し、被検化合物の活性はエポプロステノール1nM単独でのcAMP量を基準としたT/C(%)で表記した。結果を表4に示す。
PGI 2 受容体ポジティブアロステリックモジュレーター活性の評価
ヒトPGI2受容体(hIP)を安定的に発現させたCHO-K1細胞(CHO/hIP細胞)を用いて、被検化合物が、IPアゴニストであるエポプロステノール(Epoprostenol、GlaxoSmithKline社製)-cAMP産生曲線に及ぼす効果を調べた。
DMSOに溶解したエポプロステノールとDMSOに溶解した被検化合物の混合物(0.1%BSAを含むF-12培地(GIBCO社製)培地で希釈)5uLを予め384穴黒色マイクロプレートに分注し、これに0.1%BSAを含むF-12培地中に縣濁した1.4×106細胞/mlのCHO/hIP細胞5uLを添加した。室温で40分間インキュベーション後、cAMP アッセイキット(cAMP HiRange、Cisbio Bioassays社製)を用いてcAMP量を測定した。即ち、キット中のcAMP-d2液(細胞溶解液含む)5uLを添加して反応を停止、続いてキット中の蛍光標識cAMP抗体液5uLを加え、室温で1時間インキュベーションしたのち、プレートリーダーPherastar(BMG社製)のHTRF(登録商標) モードで蛍光測定した。標準サンプルを用いたcAMPの検量線より、各ウエルのcAMP量を算出し、種々濃度の被検化合物存在下でのエポプロステノール-cAMP産生曲線を作成した。この曲線より、エポプロステノールのEC50値(最大産生cAMP量の50%を産生するエポプロステノールの濃度)をエポプロステノール単独の場合に比べ、2分の1の濃度にする被検化合物濃度を求め、「左シフト値」とした。実施例化合物番号22存在下でのエポプロステノール-cAMP産生曲線を図1に示す。結果を表4及び表5に示す(表中の「ND」は、左シフト値が算出できなかったことを示している。)。
ヒト大動脈血管平滑筋細胞でのcAMP産生に及ぼす作用
ヒトPGI2受容体(hIP)を発現していることが知られているヒト大動脈血管平滑筋細胞を用いて、被検化合物が、IPアゴニストであるエポプロステノール(Epoprostenol、GlaxoSmithKline社製)-cAMP産生曲線に及ぼす効果を調べた。
DMSOに溶解したエポプロステノールとDMSOに溶解した被検化合物の混合物(0.1%BSAを含むF-12培地(GIBCO社製)培地で希釈)5uLを予め384穴黒色マイクロプレートに分注し、これに0.1%BSAを含むF-12培地中に縣濁した1.4x106細胞/mlの血管平滑筋細胞5uLを添加した。室温で40分間インキュベーション後、cAMP アッセイキット(cAMP HiRange、Cisbio Bioassays社製)を用いてcAMP量を測定した。即ち、キット中のcAMP-d2液(細胞溶解液含む)5uLを添加して反応を停止、続いてキット中の蛍光標識cAMP抗体液5uLを加え、室温で1時間インキュベーションしたのち、プレートリーダーPherastar(BMG社製)のHTRF(登録商標) モードで蛍光測定した。標準サンプルを用いたcAMPの検量線より、各ウエルのcAMP量を算出し、種々濃度の被検化合物存在下でのエポプロステノール-cAMP産生曲線を作成した。この曲線より、エポプロステノールのEC50値(最大産生cAMP量の50%を産生するエポプロステノールの濃度)をエポプロステノール単独の場合に比べ、2分の1の濃度にする被検化合物濃度を求め、「左シフト値」とした。結果を表6に示す。
モルモット摘出血管を用いたマグヌス試験
モルモット(slc/Hartley、雄、11-12週齢)より麻酔下、胸部を切開し胸部大動脈を摘出した。糸を用いて血管内皮を除去後、血管を約2 mm幅に輪切りにしてステンレスフックまたは糸により固定棒に固定し、37°Cに保温、95%O2/5%CO2混合ガスで飽和した10 mLマグヌス管内に入れて1 gの張力を掛けた。標本の張力が安定したところで、フェニレフリン(Phenylephrine hydrochloride、PHE、シグマ アルドリッチ ジャパン社製、最終濃度3×10-6 mol/L)を添加して収縮させ、収縮が安定したところで被検化合物または溶媒を添加し、15分後にIPアゴニストであるベラプロスト(Beraprost sodium、Cayman Chemical 社製)を最終濃度1nM〜1000nMまで累積添加して弛緩反応の変化を記録した。
対照(DMSO添加)の収縮率を100%としたときの各データの収縮抑制率を算出した。ベラプロストの50%血管収縮抑制濃度(ED50値)は20uMの実施例化合物番号51存在下および非存在下でそれぞれ18.3uM、32.1uMであった。結果を図2に示す。即ちIPアゴニストであるベラプロストに対する、血管収縮抑制(血管弛緩)増強作用が認められた。
Claims (18)
- 以下の式(1)〜(3)より選択される化合物又はその薬学上許容される塩、水和物、若しくは溶媒和物を含むPGI2受容体のポジティブアロステリック制御剤。
(式中、R1は、置換されていてもよい分岐鎖状又は環状の炭素数3〜10のアルキル及びアルケニルを表し、R2は、水素原子、又は置換されていてもよい炭素数1〜6のアルキルを表し、
R3は、水素原子、ハロゲン原子、置換されていてもよい炭素数1〜6のアルキル、及び置換されていてもよい炭素数1〜6のアルコキシよりなる群から独立に選択される1〜4個の同一又は異なる置換基を表し、
Aは、置換されていてもよいアリール又は置換されていてもよいヘテロアリールを表す。) - R1が、tert−ブチル、1,1−ジメチルプロピル、1−メチルシクロペンチル、1−メチルシクロヘキシル、1−メチルシクロヘプチル、3−メチル−3−ペンチル、及びアダマンチルから選択される、請求項1に記載のポジティブアロステリック制御剤。
- R1が、tert−ブチル、1,1−ジメチルプロピル、又は1−メチルシクロヘキシルである、請求項2に記載のポジティブアロステリック制御剤。
- R2及びR3が、いずれも水素原子である、請求項1〜3のいずれか1項に記載のポジティブアロステリック制御剤。
- Aが、それぞれ置換されていてもよい、フェニル、チエニル、フリル、ピロリル、インドリル、ベンゾチオフェニル、及びベンゾフラニルよりなる群から選択される、請求項1〜4のいずれか1項に記載のポジティブアロステリック制御剤。
- Aが以下の構造を有する基である、請求項1〜4のいずれか1項に記載のポジティブアロステリック制御剤。
(ここで、R4は、水素原子、置換されていてもよい炭素数1〜6のアルキル、置換されていてもよい炭素数1〜6のアルコキシ、ハロゲン原子、水酸基、置換されていてもよい炭素数1〜6のアルキルチオ、置換されていてもよいアミノ、置換されていてもよいアセチルアミノ、置換されていてもよいシリルアルキニル、置換されていてもよいベンジルオキシ、及びニトロよりなる群から独立に選択される1〜5個の同一又は異なる置換基を表し;又は、2つのR4が存在する場合、当該2つのR4は、それらが結合している炭素原子と一緒になって、ヘテロ原子を含んでいてもよい飽和又は不飽和の環構造を形成してもよい。) - R4が、水素原子、ヒドロキシ基、アルコキシ基、ベンジルオキシ基、及びアルキルチオ基よりなる群から選択される、請求項6に記載のポジティブアロステリック制御剤。
- 少なくとも1つのR4が水素原子であり、少なくとも1つの他のR4が2−ヒドロキシ基、2−アルコキシ基、2−ベンジルオキシ基、又は2−アルキルチオ基である、請求項7に記載のポジティブアロステリック制御剤。
- 以下の化合物群より選択されるテトラゾール誘導体、又はその薬学上許容される塩、水和物、若しくは溶媒和物。
- 以下の式(2)又は(3)で表される化合物又はその薬学上許容される塩、水和物、若しくは溶媒和物。
(式中、R1は、置換されていてもよい分岐鎖状又は環状の炭素数3〜10のアルキル及びアルケニルを表し、
R2は、水素原子、又は置換されていてもよい炭素数1〜6のアルキルを表し、
Aは、置換されていてもよいアリール又は置換されていてもよいヘテロアリールを表す。) - 請求項9又は10に記載の化合物又はその薬学上許容される塩、水和物、若しくは溶媒和物を含むPGI2受容体のポジティブアロステリック制御剤。
- 請求項1〜8、又は請求項11に記載のポジティブアロステリック制御剤を含む、PGI2受容体の機能低下によって惹起される疾患を治療又は予防するための医薬組成物。
- 前記PGI2受容体の機能低下によって惹起される疾患が、肺高血圧症である、請求項12に記載の医薬組成物。
- 請求項1〜8、又は請求項11に記載のポジティブアロステリック制御剤を含む、血小板凝集抑制剤。
- (A)請求項1〜8、又は請求項11に記載のポジティブアロステリック制御剤;及び(B)PGI2受容体アゴニストを含む、PGI2受容体の機能低下によって惹起される疾患を治療又は予防するための組み合わせ医薬。
- PGI2受容体アゴニストが、エポプロステノール、イロプロスト、シカプロスト、ベラプロスト、イブジラスト、オザグレル、イスボグレル、カルバプロスタサイクリン、クリンプロスト、アタプロスト、シプロステン、ナクサプロステン、タプロステン、ピミルプロスト、及びフタラジノールよりなる群から選択される、請求項15に記載の組み合わせ医薬。
- 前記PGI2受容体の機能低下によって惹起される疾患が、肺高血圧症である、請求項15又は16に記載の組み合わせ医薬。
- PGI2受容体の機能低下によって惹起される疾患を治療又は予防するための医薬を製造するための、以下の式(1)〜(3)より選択される化合物の使用。
(式中、R1は、置換されていてもよい分岐鎖状又は環状の炭素数3〜10のアルキル及びアルケニルを表し、
R2は、水素原子、又は置換されていてもよい炭素数1〜6のアルキルを表し、
R3は、水素原子、ハロゲン原子、置換されていてもよい炭素数1〜6のアルキル、及び置換されていてもよい炭素数1〜6のアルコキシよりなる群から独立に選択される1〜4個の同一又は異なる置換基を表し、
Aは、置換されていてもよいアリール又は置換されていてもよいヘテロアリールを表す。)
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