JP5861182B2 - フラバノール誘導体−アセトン誘導体付加物、その製造方法並びにそれを利用したアミロイドβ蛋白凝集阻害剤及びアルツハイマー予防又は治療剤 - Google Patents
フラバノール誘導体−アセトン誘導体付加物、その製造方法並びにそれを利用したアミロイドβ蛋白凝集阻害剤及びアルツハイマー予防又は治療剤 Download PDFInfo
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- JP5861182B2 JP5861182B2 JP2011183246A JP2011183246A JP5861182B2 JP 5861182 B2 JP5861182 B2 JP 5861182B2 JP 2011183246 A JP2011183246 A JP 2011183246A JP 2011183246 A JP2011183246 A JP 2011183246A JP 5861182 B2 JP5861182 B2 JP 5861182B2
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- derivative
- acetone
- flavanol
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- hydrogen atom
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- 235000011987 flavanols Nutrition 0.000 title claims description 52
- OEIJRRGCTVHYTH-UHFFFAOYSA-N Favan-3-ol Chemical class OC1CC2=CC=CC=C2OC1C1=CC=CC=C1 OEIJRRGCTVHYTH-UHFFFAOYSA-N 0.000 title claims description 51
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Landscapes
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Description
1H NMR(DMSO) δ:1.35〜1.63(s,12H),1.83〜2.10(m,8H),2.29〜2.35(m,1H),2.79〜2.82(m,1H),3.65〜3.74(m,1H),4.34(d,J=9.0Hz,1H),4.36(d,J=9.0Hz,1H),4.42(d,J=9.0Hz,1H),4.43(d,J=9.0Hz,1H),5.01(m,1H),5.03(m,1H),5.03(m,1H),5.16(m,1H),5.79(m,1H),5.94(m,1H),6.48〜6.51(s,1H),6.91〜6.92(s,1H),8.78〜8.80(s,1H),9.02〜9.03(s,1H),9.03〜9.05(s,1H),9.29〜9.31(s,1H)
HR−MS m/z:cald for C28H34O6
[M+]:466.2355 found 466.2353
1H NMR(CD3OD)δ:1.43〜2.17(m,34H),2.45(dd,J=8.0and15.2Hz,1H),2.96(dd,J=6.0and15.6Hz,1H),3.79(m,1H),4.41(m,1H),5.06(m,4H),5.94(d,J=1.6Hz,1H),5.96(d,J=1.6Hz,1H),6.53(s,1H),7.04(s,1H)
HR−MSm/z:caldforC28H34O6[M+]:602.3607found601.3574
Claims (16)
- 一般式(I)
(式中、R1〜R8は、それぞれ独立して水素原子又は置換基を有してもよい水酸基、アミノ基若しくはチオール基であり、R9及びR10は、それぞれ独立して水素原子若しくは置換基を有してもよい水酸基、アミノ基若しくはチオール基、又は一緒になって酸素原子であり、波線を伴う実線で表された結合(a)は、単結合又は二重結合であり、R11及びR12は、それぞれ独立して水素原子又は一般式(II)
(式中、R13及びR14は、それぞれ独立して水素原子又は炭素数1〜5のアルキル基であり、波線を伴う実線で表された結合(b)〜(d)は、何れか1つが二重結合で残りが単結合であり、nは1〜4の整数である)で示されるアルケニル基であり、かつR11とR12が同時に水素原子になることはない)で示される、フラバノール誘導体−アセトン誘導体付加物。 - 前記一般式(I)のR1〜R8がそれぞれ独立して水素原子又は置換基を有してもよい水酸基であり、R9及びR10が水素原子であり、結合(a)が単結合である、請求項1に記載のフラバノール誘導体−アセトン誘導体付加物。
- 前記一般式(II)の結合(b)及び(d)が単結合であり、結合(c)が二重結合である、請求項1又は2に記載のフラバノール誘導体−アセトン誘導体付加物。
- カテキン、エピカテキン、ガロカテキン及びエピガロカテキンからなる群より選択されるカテキン類又はその誘導体と、プレニルアセトン又はその誘導体とを反応させて得られることを特徴とする、請求項1〜3の何れか1項に記載のフラバノール誘導体−アセトン誘導体付加物。
- 6aS,12aR−5,6a,7,12a−テトラヒドロ−5−メチル 5−(4−メチル 3−ペンテニル)[2]ベンゾピラノ[4,3−b][1]ベンゾピラン−2,3,8,10−テトロール、6aS,12aR−5,6a,7,12a−テトラヒドロ−5−メチル 5−((E)−4,8−ジメチルノナ−3,7−ジエニル)[2]ベンゾピラノ[4,3−b][1]ベンゾピラン−2,3,8,10−テトロール、6aS,12aR−5,6a,7,12a−テトラヒドロ−5−メチル 5−((3E,7E)−4,8,12−トリメチルトリデカ−3,7,11−トリエニル)[2]ベンゾピラノ[4,3−b][1]ベンゾピラン−2,3,8,10−テトロール又は6aS,12aR−5,6a,7,12a−テトラヒドロ−5−メチル 5−((3E,7E,11E)−4,8,12,16−テトラメチルヘプタデカ−3,7,11,15−テトラエニル)[2]ベンゾピラノ[4,3−b][1]ベンゾピラン−2,3,8,10−テトロールである、請求項1〜4の何れか1項に記載のフラバノール誘導体−アセトン誘導体付加物。
- 一般式(III)
(式中、R1〜R8は、それぞれ独立して水素原子又は置換基を有してもよい水酸基、アミノ基若しくはチオール基であり、R9及びR10は、それぞれ独立して水素原子若しくは置換基を有してもよい水酸基、アミノ基若しくはチオール基、又は一緒になって酸素原子であり、波線を伴う実線で表された結合(a)は、単結合又は二重結合である)で示されるフラバノール誘導体と、
一般式(IV)
(式中、R11及びR12は、それぞれ独立して水素原子又は一般式(II)
(式中、R13及びR14は、それぞれ独立して水素原子又は炭素数1〜5のアルキル基であり、波線を伴う実線で表された結合(b)〜(d)は、何れか1つが二重結合で残りが単結合であり、nは1〜4の整数である)で示されるアルケニル基であり、かつR11とR12が同時に水素原子になることはない)で示されるアセトン誘導体と、
を反応させることを特徴とする、一般式(I)
(式中、R1〜R12及び結合(a)は、前記定義通りである)
で示されるフラバノール誘導体−アセトン誘導体付加物の製造方法。 - 前記一般式(III)のR1〜R8がそれぞれ独立して水素原子又は置換基を有してもよい水酸基であり、R9及びR10が水素原子であり、結合(a)が単結合である、請求項6に記載のフラバノール誘導体−アセトン誘導体付加物の製造方法。
- 前記一般式(II)の結合(b)及び(d)が単結合であり、結合(c)が二重結合である、請求項6又は7に記載のフラバノール誘導体−アセトン誘導体付加物の製造方法。
- 前記フラバノール誘導体は、カテキン、エピカテキン、ガロカテキン及びエピガロカテキンからなる群より選択されるカテキン類又はその誘導体である、請求項6〜8の何れか1項に記載のフラバノール誘導体−アセトン誘導体付加物の製造方法。
- 前記アセトン誘導体は、プレニルアセトン又はその誘導体である、請求項6〜9の何れか1項に記載のフラバノール誘導体−アセトン誘導体付加物の製造方法。
- 一般式(I)
(式中、R1〜R8は、それぞれ独立して水素原子又は置換基を有してもよい水酸基、アミノ基若しくはチオール基であり、R9及びR10は、それぞれ独立して水素原子若しくは置換基を有してもよい水酸基、アミノ基若しくはチオール基、又は一緒になって酸素原子であり、波線を伴う実線で表された結合(a)は、単結合又は二重結合であり、R11及びR12は、それぞれ独立して水素原子又は一般式(II)
(式中、R13及びR14は、それぞれ独立して水素原子又は炭素数1〜5のアルキル基であり、波線を伴う実線で表された結合(b)〜(d)は、何れか1つが二重結合で残りが単結合であり、nは1〜4の整数である)で示されるアルケニル基であり、かつR11とR12が同時に水素原子になることはない)で示されるフラバノール誘導体−アセトン誘導体付加物又はその生理学的に許容される塩を有効成分とする、アミロイドβ蛋白凝集阻害剤。 - 前記フラバノール誘導体−アセトン誘導体付加物は、前記一般式(I)のR1〜R8がそれぞれ独立して水素原子又は置換基を有してもよい水酸基であり、R9及びR10が水素原子であり、結合(a)が単結合である、請求項11に記載のアミロイドβ蛋白凝集阻害剤。
- 前記フラバノール誘導体−アセトン誘導体付加物は、前記一般式(II)の結合(b)及び(d)が単結合であり、結合(c)が二重結合である、請求項11又は12に記載のアミロイドβ蛋白凝集阻害剤。
- 前記フラバノール誘導体−アセトン誘導体付加物は、カテキン、エピカテキン、ガロカテキン及びエピガロカテキンからなる群より選択されるカテキン類又はその誘導体と、プレニルアセトン又はその誘導体とを反応させて得られることを特徴とする、請求項11〜13の何れか1項に記載のアミロイドβ蛋白凝集阻害剤。
- 前記フラバノール誘導体−アセトン誘導体付加物は、6aS,12aR−5,6a,7,12a−テトラヒドロ−5−メチル 5−(4−メチル 3−ペンテニル)[2]ベンゾピラノ[4,3−b][1]ベンゾピラン−2,3,8,10−テトロール、6aS,12aR−5,6a,7,12a−テトラヒドロ−5−メチル 5−((E)−4,8−ジメチルノナ−3,7−ジエニル)[2]ベンゾピラノ[4,3−b][1]ベンゾピラン−2,3,8,10−テトロール、6aS,12aR−5,6a,7,12a−テトラヒドロ−5−メチル 5−((3E,7E)−4,8,12−トリメチルトリデカ−3,7,11−トリエニル)[2]ベンゾピラノ[4,3−b][1]ベンゾピラン−2,3,8,10−テトロール又は6aS,12aR−5,6a,7,12a−テトラヒドロ−5−メチル 5−((3E,7E,11E)−4,8,12,16−テトラメチルヘプタデカ−3,7,11,15−テトラエニル)[2]ベンゾピラノ[4,3−b][1]ベンゾピラン−2,3,8,10−テトロールである、請求項11〜14の何れか1項に記載のアミロイドβ蛋白凝集阻害剤。
- 請求項11〜15の何れか1項に記載のアミロイドβ蛋白凝集阻害剤を含むアルツハイマー病予防又は治療剤。
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