JP5349800B2 - 肝線維症および肝硬変に対する阻害活性を示す新規ベンゾピラン誘導体とその医薬的用途 - Google Patents
肝線維症および肝硬変に対する阻害活性を示す新規ベンゾピラン誘導体とその医薬的用途 Download PDFInfo
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- JP5349800B2 JP5349800B2 JP2007549232A JP2007549232A JP5349800B2 JP 5349800 B2 JP5349800 B2 JP 5349800B2 JP 2007549232 A JP2007549232 A JP 2007549232A JP 2007549232 A JP2007549232 A JP 2007549232A JP 5349800 B2 JP5349800 B2 JP 5349800B2
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- phenyl
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Images
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
- C07D311/70—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with two hydrocarbon radicals attached in position 2 and elements other than carbon and hydrogen in position 6
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/16—Drugs for disorders of the alimentary tract or the digestive system for liver or gallbladder disorders, e.g. hepatoprotective agents, cholagogues, litholytics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61P13/00—Drugs for disorders of the urinary system
- A61P13/12—Drugs for disorders of the urinary system of the kidneys
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
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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
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- Dermatology (AREA)
- Urology & Nephrology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyrane Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Description
前記化学式1において、
YはSまたはN−R4であり、
R1およびR4は各々C1〜C20のアルキル、アミン、非置換または置換されたフェニル、非置換または置換されたベンジル、ジオキソベンジル、イソバリン(メチルエステル)、ナフチル、またはフェニル−X−(この時、Xはカルボニル、またはC1〜C6のアルキル)を表し、またはR1およびR4が5〜7員のヘテロ環を形成するために付着されて窒素と共に結合されており、
R2は水素、またはC1〜C5アルキルであり、
R3は水素、C1〜C5アルキル、非置換または置換されたフェニル、または非置換または置換されたベンジルであり、そして
前記置換されたフェニルまたは置換されたベンジルはハロゲン、ニトロ、ベンジルオキシ、C1〜C5のアルキル、C1〜C5のアルコキシ、C1〜C5のハロアルキル、C1〜C5のアルキルスルフィド、およびC1〜C5びアルキルスルファニルからなる群から選択された1〜4個の置換体で置換されたフェニルまたはベンジルである。
前記R1およびR4は各々C1〜C20の直鎖、分鎖および環状のアルキル;アミン;フェニル;ハロゲン、ニトロ、ベンジルオキシ、C1〜C5のアルキル、C1〜C5のアルコキシ、C1〜C5のハロアルキル、C1〜C5のアルキルスルフィド、およびC1〜C5アルキルスルファニルからなる群から選択された1〜4個の置換体で置換されたフェニル;ベンジル;ハロゲンに置換されたベンジル;ジオキソベンジル;イソバリン(メチルエステル);モルホリノ;ナフチル;またはR1およびR4がピペリジンを形成するために付着されて窒素と共に結合されており、C1〜C5のアルコキシカルボニルに置換されたピペリジン、ピペラジン、またはフェニルに置換されたピペラジンであり、
前記R2は水素、またはC1〜C5のアルキルであり、
前記R3は水素、C1〜C5アルキル、フェニル、またはベンジルである。
反応式1
はポリスチレン、ポリスチレン−ジビニルベンゼン、ポリメタクリル酸−ジメチルアクリルアミドおよびポリヒドロキシメタアクリル酸の中から選択されたポリマー形態の固体支持体である。
はポリスチレン、ポリスチレン−ジビニルベンゼン、ポリメタクリル酸−ジメチルアクリルアミドおよびポリヒドロキシメタアクリル酸の中から選択されたポリマー形態の固体支持体である。
(実施例1−1)1−(2,2'−ジメチル−2H−クロメン−6−イル)−3−フェニル−チオ尿素の合成
1H NMR(300MHz、CDCl3)δ8.23(d、1H、J=7.9Hz)、7.77(s、1H)、7.39(s、1H)、7.38−7.27(m、2H)、7.14−7.08(m、3H)、7.00(d、2H)、6.82(d、1H、J=8.5Hz)、6.30(d、1H、J=9.9Hz)、5.69(d、1H、J=9.9Hz)、1.45(s、6H);m/z 310.42
1H NMR(200MHz、CDCl3)δ8.20(d、2H、J=9.2Hz)、7.75(d、2H、J=9.2Hz)、7.07(m、1H)、6.94−6.83(m、2H)、6.30(d、1H、J=9.8Hz)、5.72(d、1H、J=9.8Hz)、1.47(s、6H);m/z 355.44
(実施例2−1)N−(2,2'−ジメチル−2H−クロメン−6−イル)−N'−(4−ニトロフェニル)−N'−フェニル−グアニジンの合成
活性成分5.0mgを篩にかけた後、ラクトース14.1mg、クロスポビドンUSNF0.8mgおよびステアリン酸マグネシウム0.1mgを混合し、直接加圧して錠剤を製造した。
活性成分5.0mgを篩にかけた後、ラクトース16.0mgと澱粉4.0mgを混合した。ポリソルベート80 0.3mgを純粋な水に溶かした後、この溶液の適当量を添加した後、微粒化した。乾燥後、微粒を篩にかけた後、コロイド状二酸化ケイ素2.7mgおよびステアリン酸マグネシウム2.0mgを混合し、微粒を加圧して錠剤を製造した。
活性成分5.0mgを篩にかけた後、ラクトース14.8mg、ポリビニルピロリドン10.0mg、ステアリン酸マグネシウム0.2mgと混合した。混合物を適当な装置を使用して固いNo.5ゼラチンカプセルに充填した。
活性成分として100mgを含有させ、その他にもマンニトール180mg、Na2HPO412H2O 26mgおよび蒸留水2974mgを含有させて注射剤を製造した。
実験例1 TGF−β受容体に対する阻害活性実験
肝線維症/肝硬変の核心的な過程である肝細胞の損傷において、炎症細胞とクッパー細胞により生成されて分泌されるTGF−βサイトカインは肝星細胞の増殖と分化を誘導し、コラーゲンのような細胞外質の過生産と蓄積を誘発する。従って、TGF−βの作用を抑制することで、肝星細胞の増殖と分化を抑制し、炎症細胞の走化性機構を抑制する物質を肝線維症/肝硬変の治療剤として開発することができる。
肝線維症は肝星細胞が増殖および活性化され、コラーゲン合成の増加および分解の減少によりコラーゲン蓄積が起きる過程である。従って、肝線維症が進行するに従って、活性化された肝星細胞からコラーゲン合成が増加し、細胞外へのコラーゲン分泌が増加するため、肝星細胞の細胞毒性とコラーゲン合成の阻害効果を観察することで肝線維症に対する抑制効果を確認することができる。
肝線維症に含まれる主なコラーゲンはタイプ1コラーゲンであり、これはα1とα2チェーンにて構成されている。コラーゲン発現にはコラーゲン遺伝子プロモータ部位に様々な転写因子が関与し、一般的に、コラーゲンの転写が増加するとコラーゲン発現量が増加される。そのため、コラーゲンプロモータ活性度の減少を観察することで、肝線維症の阻害程度を測定することができる。本実験例では、コラーゲンプロモータ活性度の阻害効果を下記方法により測定した。
肝線維症過程で肝細胞が損傷されると、クッパー細胞が損傷された細胞を貪食して様々なサイトカインを分泌し、これらのサイトカインは肝星細胞(HSC)を増殖および活性化させる。活性化された肝星細胞はコラーゲンを合成し、細胞外基質に蓄積させ、細胞外基質に持続的に蓄積されたコラーゲンにより肝線維症に発展する。四塩化炭素(CCl4)は肝細胞内に存在するサイトクロムP450により代謝され、発生される遊離などの酸化反応により媒介される一連の作用にて細胞膜を破壊および壊死を通した肝損傷を誘発する。従って、四塩化炭素投与による細胞外基質の蓄積の減少を分析することで、肝線維症の阻害効能を確認することができる。
Claims (8)
- 下記化学式1で表されることを特徴とするベンゾピラン誘導体またはその薬剤学的に許容可能な塩。
YはSまたはN−R4であり、
R1およびR4は各々C1〜C20のアルキル、アミン、非置換または置換されたフェニル、非置換または置換されたベンジル、イソバリン(メチルエステル)、ナフチル、またはフェニル−X−(この時、Xはカルボニル、またはC1〜C6のアルキル)、ピペリジン、C1〜C5のアルコキシカルボニルで置換されたピペリジン、ピペラジン、またはフェニルで置換されたピペラジンを表し、
R2は水素、またはC1〜C5アルキルであり、
R3は水素、C1〜C5アルキル、非置換または置換されたフェニル、または非置換または置換されたベンジルであり、そして
前記置換されたフェニルまたは置換されたベンジルはハロゲン、ニトロ、ベンジルオキシ、C1〜C5のアルキル、C1〜C5のアルコキシ、C1〜C5のハロアルキル、C1〜C5のアルキルスルフィド、およびC1〜C5アルキルスルファニルからなる群から選択された1〜4個の置換体で置換されたフェニルまたはベンジルである。 - 前記R1およびR4は各々C1〜C20の直鎖、分鎖および環状のアルキル;アミン;フェニル;ハロゲン、ニトロ、ベンジルオキシ、C1〜C5のアルキル、C1〜C5のアルコキシ、C1〜C5のハロアルキル、C1〜C5のアルキルスルフィド、およびC1〜C5アルキルスルファニルからなる群から選択された1〜4個の置換体で置換されたフェニル;ベンジル;ハロゲンで置換されたベンジル;イソバリン(メチルエステル);またはナフチルであり、
前記R2は水素、またはC1〜C5のアルキルであり、
前記R3は水素、C1〜C5アルキル、フェニル、またはベンジルであることを特徴とする、請求項1記載のベンゾピラン誘導体またはその薬剤学的に許容可能な塩。 - 前記線維増殖性疾患は肝線維症、肝硬変、肺線維症、硬皮症および糸球体線維症が含まれることを特徴とする、請求項7記載の予防および治療剤。
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KR1020040117711A KR101135574B1 (ko) | 2004-12-31 | 2004-12-31 | 간섬유화 및 간경화 억제 활성을 나타내는ν-(2,2-이중치환-2η-크로멘-6-일)싸이오우레아 유도체 |
KR1020040117707A KR101127158B1 (ko) | 2004-12-31 | 2004-12-31 | 간섬유화 및 간경화 억제 활성을 나타내는n-(2,2-이중치환-2h-크로멘-6-일)-n,n'-이중치환구아니딘 유도체 |
KR10-2004-0117707 | 2004-12-31 | ||
PCT/KR2005/001833 WO2006070984A1 (en) | 2004-12-31 | 2005-06-15 | Novel benzopyran derivatives having inhibitory activities against liver fibrosis and cirrhosis and their pharmaceutical uses |
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