JP5302393B2 - 新規ジアリールヘパトノイド系化合物及びその用途 - Google Patents
新規ジアリールヘパトノイド系化合物及びその用途 Download PDFInfo
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- JP5302393B2 JP5302393B2 JP2011512386A JP2011512386A JP5302393B2 JP 5302393 B2 JP5302393 B2 JP 5302393B2 JP 2011512386 A JP2011512386 A JP 2011512386A JP 2011512386 A JP2011512386 A JP 2011512386A JP 5302393 B2 JP5302393 B2 JP 5302393B2
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- JJICLMJFIKGAAU-UHFFFAOYSA-M sodium;2-amino-9-(1,3-dihydroxypropan-2-yloxymethyl)purin-6-olate Chemical compound [Na+].NC1=NC([O-])=C2N=CN(COC(CO)CO)C2=N1 JJICLMJFIKGAAU-UHFFFAOYSA-M 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D309/08—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D309/08—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D309/10—Oxygen atoms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
- A61P31/16—Antivirals for RNA viruses for influenza or rhinoviruses
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Virology (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Communicable Diseases (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Pharmacology & Pharmacy (AREA)
- Animal Behavior & Ethology (AREA)
- Oncology (AREA)
- Pulmonology (AREA)
- Molecular Biology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Saccharide Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Description
本発明の他の目的は、前記ジアリールヘパトノイド系化合物、これの異性体または薬学的に許容可能なこれらの塩;これらの溶媒和物、水和物またはプロドラッグを有効成分として含む医薬組成物を提供する。
Ra、Rb、Rc、Rd及びReは、それぞれ独立して水素原子、ヒドロキシ基、C1〜C6アルキル基、C1〜C6アルコキシ基及びO−Rfの中から選択され、Rfは水素原子またはC1〜C6アルキル基であり;
Rx及びRyは水素原子またはヒドロキシ基である。
本発明の他の特徴及び具現例は下記の詳細な説明及び特許請求の範囲からより一層明白になる。
前記R1、R2、R3、及びR4は、それぞれ独立して水素原子、ヒドロキシ基、C1〜C6アルキル基及びC1〜C6アルコキシ基の中から選択され、望ましくは水素原子、ヒドロキシ基、C1〜C3アルキル基またはC1〜C3アルコキシ基であり、さらに望ましくは水素原子またはヒドロキシ基である。
前記化学式(1)で、
Ra、Rb、Rc、Rd及びReは、それぞれ独立して水素原子、ヒドロキシ基、C1〜C6アルキル基、C1〜C6アルコキシ基及びO−Rfの中から選択され、Rfは水素原子またはC1〜C6アルキル基であるが、望ましくはRa、Rb、Rc、Rd及びReのうちの少なくとも一つがヒドロキシ基であるか;いずれか一つはヒドロキシ基であり、他の一つは−O−Rfである。
前記化学式(1)で、
Rx及びRyは水素原子またはヒドロキシ基であり、望ましくはヒドロキシ基である。
本発明の代表的な化合物(1)としては、(5S)-1,7-ビス(3,4-ジヒドロキシフェニル)-3-ヘプタノン-5-O-(2-クマロイル)-β-D-キシロピラノシド[(5S)-1,7-bis(3,4-dihydroxyphenyl)-3-heptanone-5-O-(2-coumaroyl)-β-D-xylopyranoside]及び(5S)-1,7-ビス(3,4-ジヒドロキシフェニル)-3-ヘプタノン-5-O-[2-(3-メトキシクマロイル)]-β-D-キシロピラノシド[(5S)-1,7-bis(3,4-dihydroxyphenyl)-3-heptanone-5-O-[2-(3-methoxycoumaroyl)]-β-D-xylopyranoside]が含まれる。
前記化学式(1)の化合物はウイルス活性抑制、即ちウイルス感染による疾患の治療及び予防に有効である。特に、鳥インフルエンザウイルスの活性抑制に優れた効能を示す。前記インフルエンザウイルスには、ヒトインフルエンザウイルス、豚インフルエンザウイルス、馬インフルエンザウイルス及び鳥インフルエンザウイルスを含み、それらの感染による疾病の治療及び予防に有用である。
適切な投与経路は、例えば、経口、鼻腔、透過粘膜、または腸内投与、直接心室内、腹腔内、または眼内注射だけでなく、筋肉内、皮下、静脈、骨髄注射を含んだ非経口伝達を含む。
本発明の医薬組成物は、例えば、通常的な混合、溶解、顆粒化、糖衣錠製造、粉末化、エマルジョン化、カプセル化、トラッピング、または凍結乾燥過程の手段によって公知方式で製造される。
本発明で使用に適する医薬組成物には活性成分を、それらの意図する目的を達成するために有効量で含む組成物が含まれる。より具体的には、治療的有効量は治療されるべき対象の生存を延長したり、疾患の症状を防止、軽減または緩和させるのに有効な化合物の量を意味する。治療的有効量の決定は、特にここに提供されている詳細な開示内容を考慮すると、当業者の能力範囲内にある。
[実施例1]榛の木抽出物の製造
榛の木の樹皮((株)RNLバイオ)3.5kgを95%エタノール9Lを加えて、55℃で超音波で3回処理した後、濃縮して、エタノール分画(12B−AJ−5A)900gを取得した。前記取得された12B−AJ−5Aを図1に示したようにCH2Cl2及びエタノールで順に分画してジクロロメタン(CH2Cl2)分画(12B−AJ−5B、139g)、エタノール分画(12B−AJ−5C、400g)及び水分画(12B−AJ−5D)を取得した。
また、前記12B−AJ−5Dを20%、50%、75%、100%メタノールで処理して、12B−AJ−5E、12B−AJ−5F、12B−AJ−5G及び12B−AJ−5Hを各々取得した。
榛の木抽出物及び榛の木抽出物由来化合物の抗ウイルス活性測定に使った鳥インフルエンザウイルスは、2000年に韓国内で分離したA/chicken/Korea/SNU0028/2000(H9N2)ウイルスをニワトリ胚で継代しクローニングし、増殖性が優れているKBNP−0028(KCTC 10866BP)を使った。
実施例1で取得された12B−AJ−5C分画を図2に記載された通り、繰り返して、カラムクロマトグラフィーを行って、純粋化合物である12B−AJ−17A(13.0mg)を取得し、再び前記12B−AJ−17Aから下記化学構造の12B−AJ−17A−1[(5S)-1,7-ビス(3,4-ジヒドロキシフェニル)-3-ヘプタノン-5-O-(2-クマロイル)-β-D-キシロピラノシド[(5S)-1,7-bis(3,4-dihydroxyphenyl)-3-heptanone-5-O-(2-coumaroyl)-β-D-xylopyranoside]]を取得した。
前記12B−AJ−5Cを図2に記載された通り、繰り返しカラムクロマトグラフィーを行って、純粋化合物である12B−AJ−17A(13.0mg)を取得し、再び前記12B−AJ−17Aから下記化学構造の12B−AJ−17A−2[(5S)-1,7-ビス(3,4-ジヒドロキシフェニル)-3-ヘプタノン-5-O-[2-(3-メトキシクマロイル)]-β-D-キシロピラノシド[(5S)-1,7-bis(3,4-dihydroxyphenyl)-3-heptanone-5-O-[2-(3-methoxycoumaroyl)]-β-D-xylopyranoside]]を取得した。
榛の木抽出物由来新規ジアリールヘパトノイド系化合物の抗ウイルス活性と細胞毒性を確認するために、実施例2のウイルス活性測定法でウイルス抑制活性を測定し、CEF(chicken embryo fibroblast)細胞を使って、MTTアッセイで細胞毒性を確認した(表3及び表4)。
その結果、12B−AJ−15Aは抗ウイルス活性を有することが明らかになったし、100μg/mLの濃度でも細胞毒性を示さないことが確認された。
以上、発明内容の特定の部分を詳細に記述したが、当業界における通常の知識を有する者には、このような具体的技術は単に望ましい実施様態に過ぎず、これによって、本発明の範囲が制限されるのではない点は明白であろう。従って、本発明の実質的な範囲は添付された請求項とそれらの等価物によって定義される。
Claims (5)
- 下記化学式(2):
- 前記ウイルスはインフルエンザウイルスであることを特徴とする請求項1に記載の化合物、これの異性体または薬学的に許容可能なこれらの塩;これらの溶媒和物、または水和物。
- 前記ウイルスは鳥インフルエンザウイルスであることを特徴とする請求項1又は2に記載の化合物、これの異性体または薬学的に許容可能なこれらの塩;これらの溶媒和物、または水和物。
- 請求項1〜3のいずれか一項に記載の化合物及び薬学的に許容可能な担体を含む、ウイルス感染による疾患の治療及び/又は予防用医薬組成物。
- 前記ウイルスはインフルエンザウイルスであることを特徴とする請求項4に記載の医薬組成物。
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