JP2023543908A - トリアゾロピラジン系化合物及びその用途 - Google Patents
トリアゾロピラジン系化合物及びその用途 Download PDFInfo
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- JP2023543908A JP2023543908A JP2023520401A JP2023520401A JP2023543908A JP 2023543908 A JP2023543908 A JP 2023543908A JP 2023520401 A JP2023520401 A JP 2023520401A JP 2023520401 A JP2023520401 A JP 2023520401A JP 2023543908 A JP2023543908 A JP 2023543908A
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- Prior art keywords
- triazolopyrazine
- alkyl
- compound
- cycloalkyl
- disease
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008512 biological response Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 1
- 229910000024 caesium carbonate Inorganic materials 0.000 description 1
- 229940046731 calcineurin inhibitors Drugs 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 230000024245 cell differentiation Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 208000037976 chronic inflammation Diseases 0.000 description 1
- 208000037893 chronic inflammatory disorder Diseases 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000009509 drug development Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- DEFVIWRASFVYLL-UHFFFAOYSA-N ethylene glycol bis(2-aminoethyl)tetraacetic acid Chemical compound OC(=O)CN(CC(O)=O)CCOCCOCCN(CC(O)=O)CC(O)=O DEFVIWRASFVYLL-UHFFFAOYSA-N 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000013355 food flavoring agent Nutrition 0.000 description 1
- 235000003599 food sweetener Nutrition 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000003862 glucocorticoid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000013632 homeostatic process Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000036737 immune function Effects 0.000 description 1
- 210000000987 immune system Anatomy 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000004968 inflammatory condition Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 230000028709 inflammatory response Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000015788 innate immune response Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000007918 intramuscular administration Methods 0.000 description 1
- 238000007913 intrathecal administration Methods 0.000 description 1
- 239000007951 isotonicity adjuster Substances 0.000 description 1
- JFOZKMSJYSPYLN-QHCPKHFHSA-N lifitegrast Chemical compound CS(=O)(=O)C1=CC=CC(C[C@H](NC(=O)C=2C(=C3CCN(CC3=CC=2Cl)C(=O)C=2C=C3OC=CC3=CC=2)Cl)C(O)=O)=C1 JFOZKMSJYSPYLN-QHCPKHFHSA-N 0.000 description 1
- 238000012417 linear regression Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 102000006240 membrane receptors Human genes 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- GVOISEJVFFIGQE-YCZSINBZSA-N n-[(1r,2s,5r)-5-[methyl(propan-2-yl)amino]-2-[(3s)-2-oxo-3-[[6-(trifluoromethyl)quinazolin-4-yl]amino]pyrrolidin-1-yl]cyclohexyl]acetamide Chemical compound CC(=O)N[C@@H]1C[C@H](N(C)C(C)C)CC[C@@H]1N1C(=O)[C@@H](NC=2C3=CC(=CC=C3N=CN=2)C(F)(F)F)CC1 GVOISEJVFFIGQE-YCZSINBZSA-N 0.000 description 1
- 239000006199 nebulizer Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000000041 non-steroidal anti-inflammatory agent Substances 0.000 description 1
- 229940021182 non-steroidal anti-inflammatory drug Drugs 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000009054 pathological process Effects 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000006187 pill Substances 0.000 description 1
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 description 1
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000770 proinflammatory effect Effects 0.000 description 1
- 108060006633 protein kinase Proteins 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- IYTAUGFBQPAEGK-UHFFFAOYSA-N pyridin-2-ylmethyl formate Chemical compound O=COCC1=CC=CC=N1 IYTAUGFBQPAEGK-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 206010039083 rhinitis Diseases 0.000 description 1
- 125000006413 ring segment Chemical group 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- 229940037128 systemic glucocorticoids Drugs 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- 238000002626 targeted therapy Methods 0.000 description 1
- 230000008685 targeting Effects 0.000 description 1
- YBRBMKDOPFTVDT-UHFFFAOYSA-N tert-butylamine Chemical compound CC(C)(C)N YBRBMKDOPFTVDT-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229940126585 therapeutic drug Drugs 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000011200 topical administration Methods 0.000 description 1
- 238000013518 transcription Methods 0.000 description 1
- 230000035897 transcription Effects 0.000 description 1
- 238000011269 treatment regimen Methods 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
- 150000003710 vitamin D derivatives Chemical class 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/4985—Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems
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- A61P1/02—Stomatological preparations, e.g. drugs for caries, aphtae, periodontitis
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61P17/00—Drugs for dermatological disorders
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- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/02—Drugs for skeletal disorders for joint disorders, e.g. arthritis, arthrosis
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- A—HUMAN NECESSITIES
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- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P27/00—Drugs for disorders of the senses
- A61P27/02—Ophthalmic agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
- A61P37/06—Immunosuppressants, e.g. drugs for graft rejection
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D519/00—Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00
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Abstract
Description
本出願は、2020年12月7日に提出された出願番号「CN202011432143.1」、発明の名称「トリアゾロピラジン系化合物及びその用途」の特許出願の優先権を主張するものであり、参照によりその内容の全体が本明細書に組み込まれる。
本発明は、小分子化合物の分野に属し、特にトリアゾロピラジン系化合物及びその用途に関し、該トリアゾロピラジン系化合物は、関節リウマチ炎症、炎症性腸疾患、全身性エリテマトーデス、シェーグレン症候群及びCovid-19重度肺炎などの自己免疫疾患、又は乾癬、扁平苔癬、白斑、化膿性汗腺炎、及び皮膚エリテマトーデス、硬化性苔癬などの関連する炎症性皮膚疾患の予防又は治療に使用することができる。
Wは置換又は非置換のアリール又はヘテロアリールから選択され、
XはC又はNであり、且つ
RはH又は任意の置換基である。
化合物1a(500mg、2.65mmol)、化合物1b(924mg、2.65mmol)、テトラキス(トリフェニルホスフィン)パラジウム(214mg、0.19mmol)、炭酸カリウム(732.5mg、5.3mmol)、ジオキサン(30mL)及び水(30mL)を、三口フラスコに加えた。数回窒素置換した後、混合物を80℃まで加熱し、60分間撹拌し、LCMSにより反応の完了をモニタリングした。後処理:反応液を減圧濃縮し、残留物をシリカゲルクロマトグラフィー[溶離液:酢酸エチル/石油エーテル=0~50%]で精製し、黄色固体の目標化合物(化合物1c、252.5mg、化合物1d、95.7mg)を得た。
LCMS[M+1]+=220、376。
化合物1c(252.5mg、0.67mmol)のテトラヒドロフラン(10mL)溶液に、フッ化テトラブチルアンモニウム(2mL、2.01mmol)を加えた。反応液を室温で30分間撹拌し、LCMSにより反応の完了をモニタリングした。後処理:反応液を減圧濃縮し、残留物をシリカゲルクロマトグラフィー[溶離液:酢酸エチル/石油エーテル=0~50%]で精製し、黄色固体の目標化合物(化合物1d、123mg、収率83.3%)を得た。
LCMS[M+1]+=220。
化合物1d(198.7mg、0.91mmol)のアセトニトリル(20mL)溶液に、化合物1e(161mg、1.36mmol)及びDBU(94mg、0.62mmol)を加え、反応液を70℃まで加熱し、2時間撹拌し、LCMSによりモニタリングし、反応を完了させた。後処理:反応液を減圧濃縮し、残留物をシリカゲルクロマトグラフィー[溶離液:酢酸エチル/石油エーテル=0~50%]で精製し、目標化合物(化合物1f、95.2mg、収率62.3%)を得た。
LCMS[M+1]+=338。
1H NMR (400 MHz、DMSO)δ9.17 (s、1H)、8.77 (s、1H)、8.37 - 8.18 (m、1H)、7.22 (dd、J = 3.0、2.4 Hz、1H)、7.14 (dd 、J = 3.1、1.6 Hz、1H)、3.56 - 3.45 (m、1H)、3.43 (s、2H)、3.16 - 3.08 (m、2H)、2.94 - 2.86 (m、2H)。
化合物1f(95.2mg、0.28mmol)、化合物1g(58.6mg、0.28mmol)、1,1’-ビスジフェニルホスフィノフェロセンパラジウムジクロリド(22mg、0.03mmol)、炭酸セシウム(184mg、0.56mmol)、ジオキサン(12mL)及び水(2mL)を、三口フラスコに加えた。反応液を数回アルゴン置換した後、100℃まで昇温して2時間攪拌し、LCMSにより反応の完了をモニタリングした。後処理:反応液を減圧濃縮し、残留物に酢酸エチル(50mL)及び水(50mL)を加えて重層抽出し、有機相を飽和食塩水で1回洗浄し、無水硫酸ナトリウムで乾燥し、吸引ろ過し、濾液を濃縮乾固し、残留物をシリカゲルクロマトグラフィー[溶離液:(D/M=10:1)/DCM=0~40%]で精製した。得られた粗生成物を調製により精製して、黄色固体の目標化合物(化合物1、31.6mg、収率29.22%)を得た。
LCMS[M+1]+=384。
1H NMR (400 MHz、DMSO)δ9.16 (s、1H)、8.67 (s、1H)、8.39 (s、1H)、8.35 - 8.29 (m、1H)、8.16 (d、J = 0.6 Hz、1H)、7.27 (dd、J = 3.0、1.6 Hz、1H)、7.23 - 7.18 (m、1H)、3.93 (s、3H)、3.57 - 3.47 (m、1H)、3.43 (s、2H)、3.19 - 3.10 (m, 2H), 2.94 - 2.85 (m, 2H)。
実施例1と同様の方法で調製して化合物2(白色固体、38.4mg、収率26.7%)を得た。
1H NMR (400 MHz、DMSO)δ9.16 (s、1H)、8.67 (s、1H)、8.39 (s、1H)、8.27 - 8.21 (m、1H)、8.16 (s、1H)、7.25 (dd 、J = 3.0、1.6 Hz、1H)、7.16 - 7.09 (m、1H)、3.93 (s、3H)、3.62 (p、J = 8.8 Hz、1H)、3.45 (s、2H)、3.05 - 2.85 ( m, 4H)。LCMS [M+1]+ = 384.2。
実験プログラム
1.試薬の調製
キナーゼ反応緩衝液:キナーゼ反応緩衝液を準備し、成分は次のとおりである:50mM HEPES、pH7.5、1mM EGTA、10mM MgCl2、2mM DTT、0.01% Tween20。
1Xアッセイ緩衝液:アッセイ緩衝液を準備し、脱イオン水9:1で10Xアッセイ緩衝液を1Xに希釈する。
4Xキナーゼ溶液:キナーゼ反応緩衝液で、JAKキナーゼを4Xの最終濃度(JAK1:80nM、JAK2/JAK3/Tyk2:4nM)に希釈する。
4X基質溶液:キナーゼ反応緩衝液で、ULight(商標)-JAK(Tyr1023)基質を200nM(最終濃度:50nM)に希釈する。
4XATP溶液:キナーゼ反応緩衝液で、ATPを4Xの最終濃度(JAK1:160μM、JAK2/JAK3/Tyk2:40μM)に希釈する。
4X試験用化合物溶液:DMSOで試験用化合物を10mMストック液に溶解し、3倍勾配で希釈して必要な濃度に調製し、各化合物に10個の濃度ポイントを設定し、試験用化合物の最終濃度範囲は10μM-0.5nMである。
4X酵素反応停止溶液:1Xアッセイ緩衝液でEDTAを40mM(EDTA最終濃度:10mM)に溶解する。
4Xアッセイ抗体溶液:1Xアッセイ緩衝液でEu標識アッセイ抗体(抗リン酸化チロシン(PT66))を8nM(抗体の最終濃度:2nM)に希釈する。
2.5μLの4Xキナーゼ溶液及び希釈済の異なる濃度の4X試験用化合物溶液2.5μLを、384マイクロウェルプレートに順に加え、濃度ごとに2つの複製ウェルを設定し、同時に酵素溶液のブランク対照群及び陰性対照群(DMSO群)を設定する。384ウェルプレートを振とうし、酵素と化合物とを混合し、1000rpmで1分間遠心分離し、室温で60分間インキュベートする。2.5μLの4X基質溶液を384ウェルプレートに加え、1000rpmで1分間遠心分離する。2.5μLの4X ATP溶液を384ウェルプレートに加え、1000rpmで1分間遠心分離して酵素反応を開始する。JAK1は室温で2時間、JAK2/JAK3/Tyk2は室温で1時間反応する。JAK1反応の各成分の最終濃度は、JAK1:20nM、基質:50nM、ATP:40uMであり、試験用化合物の最終濃度範囲は、10μM~0.5nMである。JAK2/JAK3/Tyk2反応の各成分の最終濃度は、JAK2:1nM、基質:50nM、ATP:10μMであり、試験用化合物の最終濃度範囲は:10μM~0.5nMである。酵素反応完了後、384ウェルプレートの各ウェルに、5μLの4X酵素反応停止液を加え、1000rpmで1分間遠心分離し、室温で5分間インキュベートする。384ウェルプレートの各ウェルに、5μLの4Xアッセイ抗体溶液を加え(アッセイ抗体の最終濃度は2nM)、1000rpmで1分間遠心分離し、室温で1時間インキュベートする。抗体のインキュベーション後、Envisionプレートリーダーにより各ウェルのシグナル値を測定する。
酵素溶液のブランク対照群を阻害率100%、陰性対照群(DMSO群)を阻害率0%として、各濃度に対応する阻害率を算出する。GraphPad Prismソフトウェアによって、アッセイ化合物の濃度の対数及び対応するパーセント阻害率に対して非線形回帰分析が実行され、アッセイ化合物の半数阻害濃度(IC50)が得られる。実施例1~10の化合物により得られた実験結果を以下の表1に示す。
Claims (10)
- 前記Wが、置換又は非置換のC5-C6単環基又はC8-C10縮合環基であることを特徴とする、請求項1に記載のトリアゾロピラジン系化合物。
- 前記Rが、H、ハロゲン、シアノ、アミノ、アルキル、アルコキシ、シアノアルキル、ハロアルキル、ヒドロキシアルキル、ベンゼン置換アルキル、シクロアルキル、ハロゲン化シクロアルキル、ヘテロシクロアルキル、スピロシクロアルキル、ホルミル、アリール、ヘテロアリール、ヘテロ脂環式、アミド又はスルホアミド基から選択されることを特徴とする、請求項1に記載のトリアゾロピラジン系化合物。
- X=Cの場合、前記Rは、ハロゲン、C1-C5アルキル、ハロゲン化C1-C5アルキル、シアノ、アミノ、C3-C6シクロアルキル、C3-C6ヘテロシクロアルキル、C5-C10アリール、C5-C10ヘテロアリール、アミド又はスルホンアミドから選択されることを特徴とする、請求項4に記載のトリアゾロピラジン系化合物。
- X=Nの場合、前記Rは、C1-C5アルキル、ハロゲン化C1-C5アルキル、シアノ、アミノ、C3-C6シクロアルキル、アミド又はスルホンアミドから選択されることを特徴とする、請求項4に記載のトリアゾロピラジン系化合物。
- 前記ハロゲンが、F、Cl又はBrであり、
前記アルキル基が、メチル、エチル、プロピル又はイソプロピル基であり、及び/又は
前記シクロアルキル基が、シクロプロピル、シクロブチル又はシクロプロピルメチルであることを特徴とする、請求項5又は6に記載のトリアゾロピラジン系化合物。 - 疾患の病因がいずれもJAKキナーゼ経路シグナル伝達の調節障害に関連することを特徴とする、自己免疫疾患及び関連する炎症性皮膚疾患の予防又は治療のための薬剤の調製における、請求項1~7のいずれか一項に記載のトリアゾロピラジン系化合物の用途。
- 前記自己免疫疾患が、関節リウマチ、炎症性腸疾患、全身性エリテマトーデス、シェーグレン症候群、皮膚筋炎、強直性脊椎炎、多発性硬化症、ベーチェット病、Covid-19重症肺炎、Reiter症候群、及びブドウ膜炎の少なくとも1つから選択されることを特徴とする、請求項8に記載の用途。
- 前記関連する炎症性皮膚疾患が、乾癬、自己免疫関連血管炎、強皮症、皮膚筋炎、腸障害性先端皮膚炎、化膿性汗腺炎、扁平苔癬、白斑、皮膚性エリテマトーデス、及び硬化性苔癬の少なくとも1つから選択されることを特徴とする、請求項8に記載の用途。
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