JP2008105963A - Dna損傷チェックポイント活性化剤 - Google Patents
Dna損傷チェックポイント活性化剤 Download PDFInfo
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- JP2008105963A JP2008105963A JP2006288106A JP2006288106A JP2008105963A JP 2008105963 A JP2008105963 A JP 2008105963A JP 2006288106 A JP2006288106 A JP 2006288106A JP 2006288106 A JP2006288106 A JP 2006288106A JP 2008105963 A JP2008105963 A JP 2008105963A
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- dna damage
- imidazo
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Abstract
【解決手段】 イミダゾ[1,5-a]ピリジン骨格を持つ化合物またはその薬学的に許容される塩を有効成分とすることを特徴とする。
【選択図】 図2
Description
土屋英子、酵母を利用した制癌剤の開発、平成10〜12年度 醸造微生物機能の高度利用に関する研究((財)広島県産業技術振興機構)、p53〜p60、(2001)
そこで本発明は、抗癌剤として有用な新規なDNA損傷チェックポイント活性化剤を提供することを目的とする。
低級シクロアルキル基とは、炭素数3〜7のシクロアルキル基を意味し、具体的には、シクロプロピル基、シクロブチル基、シクロペンチル基、シクロヘキシル基、シクロヘプチル基が挙げられる。
低級アルケニル基とは、炭素数が1〜6の直鎖または分岐鎖のアルケニル基を意味し、具体的には、ビニル基、アリル基、1-プロペニル基、イソプロペニル基、1-ブテニル基などが挙げられる。
ハロゲン原子としては、フッ素、塩素、臭素、ヨウ素が挙げられる。
置換基を有していてもよいアリール基としては、例えば、置換基を有していてもよいフェニル基やナフチル基などが挙げられる。
置換基を有していてもよいアリール低級アルキル基としては、そのアリール部と低級アルキル部は上記と同義であり、例えば、置換基を有していてもよいベンジル基、フェネチル基、3-フェニルプロピル基、1-ナフチルメチル基、2-ナフチルメチル基などが挙げられる。
置換基を有していてもよいヘテロアリール基としては、例えば、置換基を有していてもよい炭素および1〜4のヘテロ原子(酸素、硫黄、窒素)を有する5〜6員環基、具体的には、置換基を有していてもよいピロリル基、フリル基、チエニル基、オキサゾリル基、イソキサゾリル基、イミダゾリル基、チアゾリル基、イソチアゾリル基、ピラゾリル基、トリアゾリル基、テトラゾリル基、1,3,5-オキザジアゾリル基、1,2,4-オキサジアゾリル基、1,2,4-チアジアゾリル基、ピリジル基、ピラニル基、ピラジニル基、ピリミジニル基、ピリダジニル基、1,2,4-トリアジニル基、1,2,3-トリアジニル基、1,3,5-トリアジニル基などが挙げられる。
低級アルコキシ基とは、炭素数が1〜6の直鎖または分岐鎖のアルコキシ基を意味し、具体的には、メトキシ基、エトキシ基、プロポキシ基、イソプロポキシ基、ブトキシ基、イソブトキシ基、tert-ブトキシ基などが挙げられる。
モノ低級アルキルアミノ基としては、その低級アルキル部は上記と同義であり、例えば、メチルアミノ基、エチルアミノ基、プロピルアミノ基、イソプロピルアミノ基、ブチルアミノ基、イソブチルアミノ基、tert-ブチルアミノ基などが挙げられる。
ジ低級アルキルアミノ基としては、その低級アルキル部は上記と同義であり、例えば、ジメチルアミノ基、ジエチルアミノ基、エチルメチルアミノ基、ジプロピルアミノ基、メチルプロピルアミノ基、ジイソプロピルアミノ基などが挙げられる。
低級アルコキシカルボニル基としては、その低級アルコキシ部は上記と同義であり、例えば、メトキシカルボニル基、エトキシカルボニル基、プロポキシカルボニル基、イソプロポキシカルボニル基、ブトキシカルボニル基、イソブトキシカルボニル基、tert-ブトキシカルボニル基などが挙げられる。
置換基を有していてもよいアリール基、置換基を有していてもよいアリール低級アルキル基、置換基を有していてもよいヘテロアリール基における置換基としては、低級アルキル基、置換基を有していてもよいアリール基、水酸基、低級アルコキシ基、アミノ基、モノ低級アルキルアミノ基、ジ低級アルキルアミノ基、ニトロ基、ハロゲン原子、カルボキシル基、低級アルコキシカルボニル基、トリフルオロメチル基などが挙げられる。低級アルキル基、置換基を有していてもよいアリール基、低級アルコキシ基、モノ低級アルキルアミノ基、ジ低級アルキルアミノ基、ハロゲン原子、低級アルコキシカルボニル基は上記と同義である。
RAD9遺伝子を破壊した酵母(遺伝子破壊酵母:ΔRAD9)の温度感受性変異株をYPD培地(イーストエキストラクト10g/l、ペプトン 20g/l、デキストロース20g/1、pH6.5)で28℃、一晩前培養し、得られたA590=0.8の培養液1.75mlとYPD寒天培地48.25mlをよく懸濁し、シャーレに12.5mlずつ分注した。被験サンプルをペーパーディスク(8mm、thick)にその濃度が40μg/discとなるように40μlしみ込ませて(濃度調整はメタノールによる)シャーレの上に載せ、37℃で6時間DNA損傷を誘導した後、28℃で2日間培養してから生育円の大きさを測定し、DNA損傷チェックポイント活性化作用による上記の変異株を生育させる効果(=抗癌活性)を評価した。ポジティブコントロールは、免疫抑制剤であり抗癌活性を有することが知られているミコフェノール酸(平均生育円17.6mm、50μg/disc)とした。
下記の一般式(3)で表されるイミダゾ[1,5-a]ピリジン骨格を持つ化合物(式中のRaとRbはそれぞれ表1に示す通りである)のDNA損傷チェックポイント活性化作用(遺伝子破壊酵母(ΔRAD9)の温度感受性変異株の生育円の大きさによる評価)を表1に示す。
10%FBS-RPMI1640培地に5×104cells/mlで懸濁したヒト慢性骨髄性白血病細胞K562を96穴のマイクロウエルに100μlまき、そこに各種濃度の下記の一般式(3)で表されるイミダゾ[1,5-a]ピリジン骨格を持つ化合物(式中のRaとRbはそれぞれ表2に示す通りである)を5μl加え(濃度調整はメタノールによる)、37℃、5%CO2存在下で4日間培養し、MTTアッセイにより細胞毒性を調べ、50%阻害濃度(IC50)を求めた。また、10%FBS-RPMI1640培地に1×105cells/mlで懸濁したヒト前立腺癌細胞LNCaPを96穴のマイクロウエルに100μlまき、そこに各種濃度の下記の一般式(3)で表されるイミダゾ[1,5-a]ピリジン骨格を持つ化合物(式中のRaとRbはそれぞれ表2に示す通りである)を5μl加え(濃度調整はメタノールによる)、37℃、5%CO2存在下で4日間培養し、MTTアッセイにより細胞毒性を調べ、50%阻害濃度(IC50)を求めた。結果を表2に示す。
3-フェニルイミダゾ[1,5-a]ピリジン1.5gを可溶化剤としてエタノールを含有する生理食塩水100mlに溶解し(合計1.5g/100ml)、バイアルに充填した後、加熱殺菌を行って、静注用注射剤を製造した。
以下の組成で各成分を混合し、打錠して、3-(2-ピリジル)イミダゾ[1,5-a]ピリジンを50mg含む500mgの錠剤400個を製造した。
3-(2-ピリジル)イミダゾ[1,5-a]ピリジン ・・・ 20g
馬鈴薯澱粉 ・・・ 6g
ステアリン酸タルク ・・・ 4g
6%HPC乳糖 ・・・ 170g
(合計200g)
以下の組成で各成分を混合し、圧縮成形し、粉砕し、整粒して、20〜50メッシュの5%顆粒剤を製造した。
3-(2-チエニル)イミダゾ[1,5-a]ピリジン ・・・ 10g
乳糖 ・・・ 187g
ステアリン酸マグネシウム ・・・ 3g
(合計200g)
以下の組成で各成分をよく混合し、混合物を1号カプセルに充填して、カプセル剤300個を製造した。
3-フェニルイミダゾ[1,5-a]ピリジン ・・・ 5g
乳糖 ・・・ 40g
馬鈴薯澱粉 ・・・ 50g
ヒドロキシプロピルメチルセルロース ・・・ 3.5g
ステアリン酸マグネシウム ・・・ 1.5g
(合計100g)
以下の各成分を滅菌精製水100mlに溶解し、常法により点眼剤を製造した。
3-フェニルイミダゾ[1,5-a]ピリジン ・・・ 5g
塩化ナトリウム ・・・ 0.9g
塩化ベンザルコニウム ・・・ 微量
1N水酸化ナトリウム ・・・ 適量
1N塩酸 ・・・ 適量
エタノール ・・・ 適量
(化合物1)3-フェニルイミダゾ[1,5-a]ピリジン
黄色固体; mp 100-103 ℃; IR (KBr) 3035, 1601, 1505, 1458, 1354, 1002, 807, 769, 752, 688 cm-1; 1H NMR (CDCl3): δ 6.57 (td, J = 6.8, 1.0 Hz, 1H, Ar), 6.64 (ddd, J = 9.3, 6.3, 1.0 Hz, 1H, Ar), 7.33-7.49 (m, 5H, Ar), 7.01-7.73 (m, 2H, Ar), 8.18 (dd, J = 7.3, 1.0 Hz, 1H, Ar); 13C NMR (CDCl3): δ 113.1, 118.7, 118.8, 120.6, 121.4, 127.9, 128.6, 129.0, 130.4, 131.6, 138.2 (Ar); MS (EI) m/z 194 (M+); HRMS Calcd for C13H10N2: 194.0844; Found: 194.0823.
茶色オイル: IR (KBr) 1612, 1525, 1463, 1357, 1250, 1031, 837 cm-1; 1H NMR (CDCl3): δ 3.84 (s, 3H, OMe), 6.49 (td, J = 6.9, 1.0 Hz, 1H, Ar), 6.65 (dd, J = 9.3, 6.3 Hz, 1H, Ar), 7.02 (dq, J = 8.3, 4.7 Hz, 2H, Ar), 7.42 (dd, J = 9.3, 1.0 Hz, 1H, Ar), 7.49 (s, 1H, Ar), 7.68 (dq, J = 8.3, 4.7 Hz, 2H, Ar), 8.13-8.15 (m, 1H, Ar); 13C NMR (CDCl3): δ 55.4 (OMe), 112.8, 114.4, 118.4, 118.7, 120.2, 121.3, 122.9, 129.4, 131.3, 138.2, 159.8 (Ar); MS (EI) m/z 224 (M+); HRMS Calcd for C14H12N2O: 224.0950; Found: 224.0955.
黄色固体; mp 86-87 ℃; IR (KBr) 3034, 1507, 1354 cm-1; 1H NMR (CDCl3): δ 6.63 (t, J = 7.1 Hz, 1H, Ar), 6.82 (dd, J = 7.1, 9.1 Hz, 1H, Ar), 7.21-7.29 (m, 2H, Ar), 7.50 (d, J =9.1 Hz, 1H, Ar), 7.58 (s, 1H, Ar), 7.77-7.82 (m, 2H, Ar), 8.14 (d, J = 7.1 Hz, 1H, Ar); 13C NMR (CDCl3): δ 21.4 (Me), 112.9, 118.6, 118.7, 120.2, 121.4, 127.4, 127.8, 129.6, 131.4, 138.3, 138.6 (Ar); MS (EI) m/z 208 (M+); HRMS (EI) Calcd for C14H12N2(M+) 208.1000, Found: 208.0988.
薄黄色固体; mp 99-100 ℃; IR (KBr) 3417, 3114, 1585, 1495, 1419, 1353, 1251, 1146, 1009, 787, 686 cm-1; 1H NMR (CDCl3): δ 6.66 (td, J = 5.1, 1.0 Hz, 1H, Ar), 6.79 (ddd, J = 9.3, 6.3, 1.0 Hz, 1H, Ar), 7.13 (ddd, J = 7.3, 4.9, 1.0 Hz, 1H, Ar), 7.46-7.48 (m, 1H, Ar), 7.55 (s, 1H, Ar), 7.72 (td, J = 7.8, 1.0 Hz, 1H, Ar), 8.28-8.30 (m, 1H, Ar), 8.57 (dd, J = 4.9, 1.0 Hz, 1H, Ar), 9.90 (d, J = 7.2 Hz, 1H Ar); 13C NMR (CDCl3): δ 113.4, 117.9, 120.0, 120.9, 121.5, 121.6, 125.9, 132.8, 135.3, 136.4, 148.0, 151.1 (Ar); MS (EI) m/z 195 (M+); HRMS Calcd for C12H9N3: 195.0796; Found: 195.0777.
茶色オイル: IR (KBr) 1589, 1502, 1424, 1344, 1262, 783, 748 cm-1; 1H NMR (CDCl3): δ 3.76 (d, J = 6.4 Hz, 2H, CH2), 5.11 (dd, J = 10.0, 1.7 Hz, 1H, CH=CH 2), 5.20 (dd, J = 17.1, 1.5 Hz, 1H, CH=CH 2), 6.13 (ddt, J = 17.1, 10.2, 6.6 Hz, 1H, CH=CH2), 6.69 (t, J = 7.3 Hz, 1H, Ar), 6.79 (ddd, J = 8.8, 6.3, 1.0 Hz, 1H, Ar), 7.16 (ddd, J = 7.3, 4.9, 1.0 Hz, 1H, Ar), 7.49 (d, J = 9.3 Hz, 1H, Ar), 7.75 (td, J = 7.8, 2.0 Hz, 1H, Ar), 8.33 (d, J = 8.6 Hz, 1H, Ar), 8.62 (d, J = 4.9 Hz, 1H, Ar), 9.89 (d, J = 7.3 Hz, 1H, Ar); 13C NMR (CDCl3): δ 32.5 (CH2), 113.4, 115.6 (C=C), 117.5, 118.9, 121.2, 121.6, 125.8, 129.6, 131.2, 133.9, 136.3, 136.3, 148.1, 151.0 (Ar); MS (EI) m/z 235 (M+); HRMS Calcd for C15H13N3: 235.1109; Found: 235.1115.
薄黄色固体; mp 161-164 ℃; IR (KBr) 3113, 1586, 1089, 1029 cm-1; 1H NMR (CDCl3): δ 6.68 (ddd, J = 9.3, 7.6, 1.2 Hz, 2H, Ar), 6.88 (ddd, J = 8.8, 6.4, 1.2 Hz, 2H, Ar), 7.10 (ddd, J = 7.2, 4.4, 0.8 Hz, 2H, Ar), 7.69 (td, J = 8.0, 2.0 Hz, 2H, Ar), 7.96 (d, J = 8.8 Hz, 2H, Ar), 8.35 (d, J = 8.4 Hz, 2H, Ar), 8.51 (d, J = 7.6 Hz, 2H, Ar), 9.85 (d, J = 7.2 Hz, 2H, Ar); 13C NMR (CDCl3): δ 113.9, 118.2, 121.4, 121.7, 122.1, 123.3, 126.3, 134.5, 134.9, 136.4, 147.9, 150.6 (Ar); MS (EI) m/z 420 (M+); HRMS Calcd for C24H16N6S: 420.1157; Found: 420.1154.
薄灰色固体; mp 106-110 ℃; IR (KBr) 1631, 1505, 1466, 1404, 1351, 1306, 1247, 1224, 999, 839, 794, 729, 690 cm-1; 1H NMR (CDCl3): δ 6.56-6.59 (m, 1H, Ar), 6.67-6.69 (m, 1H, Ar), 7.08-7.11 (m, 1H, Ar), 7.32-7.33 (m, 1H, Ar), 7.40-7.43 (m, 2H, Ar), 7.46 (s, 1H, Ar), 8.24 (d, J = 6.8 Hz, 1H, Ar); 13C NMR (CDCl3): δ 113.7, 118.8, 118.8, 120.8, 121.7, 124.3, 125.9, 127.6, 131.7, 132.6, 133.0 (Ar); MS (EI) m/z 200 (M+); HRMS Calcd for C11H8N2S: 200.0408; Found: 200.0391.
黄色固体; mp 105-106 ℃; IR (KBr) 3074, 1520, 1230 cm-1; 1H NMR (CDCl3): δ 6.63 (t, J = 7.1 Hz, 1H, Ar), 6.82 (dd, J = 7.1, 9.1 Hz, 1H, Ar), 7.21-7.29 (m, 2H, Ar), 7.50 (d, J =9.1 Hz, 1H, Ar), 7.58 (s, 1H, Ar), 7.77-7.82 (m, 2H, Ar), 8.14 (d, J = 7.1 Hz, 1H, Ar); 13C NMR (CDCl3): δ 113.2 (Ar), 115.9 (d, J = 21.8 Hz, FCC), 118.7, 118.8, 120.4, 121.0, 126.4, 126.5 (Ar), 129.7 (d, J = 8.8Hz, FCCC), 131.5, 137.2 (Ar), 162.7 (d, J = 249 Hz, FC); 19F NMR (CDCl3): δ -112.7 (CF); MS (EI) m/z 212 (M+); HRMS (EI) Calcd for C13H9FN2(M+) 212.0750, Found: 212.0716.
黄色固体; mp 109-111 ℃; IR (KBr) 1505, 1454, 1434 1399, 1352, 1307, 1249, 1070, 999, 826, 791, 763, 688 cm-1; 1H NMR (CDCl3): δ 6.57 (t, J = 6.6 Hz, 1H, Ar), 6.73 (dd, J = 9.0, 6.6 Hz, 1H, Ar), 7.48 (d, J = 9.3 Hz, 1H, Ar), 7.55 (s, 1H, Ar), 7.62-7.68 (m, 4H, Ar), 8.19 (d, J = 7.3 Hz, 1H, Ar); 13C NMR (CDCl3): δ 113.4, 118.9, 118.9, 120.9, 121.1, 122.5, 129.2, 129.3, 131.8, 132.1, 137.1 (Ar); MS (EI) m/z 272 (M+), 274 (M++2); HRMS Calcd for C13H9BrN2: 271.9949; Found: 271.9966.
1H NMR (CDCl3): δ 1.88 (d, J = 7.32 Hz, 3H, Me), 4.38 (q, J = 7.32 Hz, 1H, CH), 6.69 (dd, J = 6.34, 5.86 Hz, 1H, Ar), 7.07 (dd, J = 9.27, 6.34 Hz, 1H, Ar), 7.14 (d, J = 6.83 Hz 2H, Ar), 7.20 (d, J = 6.90 Hz, 1H, Ar), 7.26 (t, J = 6.84 Hz, 2H, Ar), 7.39 (d, J = 9.27 Hz, 1H, Ar), 7.46 (s, 1H, Ar), 7.47 (d, J = 5.86 Hz, 1H, Ar); 13C NMR (CDCl3): δ 21.4 (Me), 38.3 (CH), 112.0, 118.0, 118.4, 118.5, 120.7, 126.8, 127.1, 128.9, 130.8, 140.5, 143.0 (Ar); MS (EI) m/z 222 (M+); HRMS Calcd for C15H14N2: 222.1157; Found: 222.1159.
茶色オイル; IR (KBr) 1702, 1589, 1463, 1385, 1088, 1028, 745, 696 cm-1; 1H NMR (CDCl3): δ 1.44 (d, J = 6.8 Hz, 6H, Me), 3.30 (sep, J = 6.8 Hz, 1H, CH), 6.50-6.53 (m, 1H, Ar), 6.60-6.64 (m, 1H, Ar), 7.35 (s, 1H, Ar), 7.38-7.41 (m, 1H, Ar), 7.74 (d, J = 7.3 Hz, 1H, Ar); 13C NMR (CDCl3): δ 20.4 (Me), 26.0 (CH), 112.1, 117.6, 118.2, 118.7, 120.5, 130.3, 143.4 (Ar); MS (EI) m/z 160 (M+); HRMS Calcd for C10H12N2: 160.1000; Found: 160.0993.
薄黄色固体: mp 99-102 ℃; IR (KBr) 1589, 1501, 1415, 1334, 1256, 1074, 783, 746, 683 cm-1; 1H NMR (CDCl3): δ 2.52 (s, 3H, Me),6.58-6.61 (m, 1H, Ar), 6.69 (ddd, J = 8.8, 6.3, 1.0 Hz, 1H, Ar), 7.07 (ddd, J = 7.3, 4.9, 1.0 Hz, 1H, Ar), 7.36-7.39 (m, 1H, Ar), 7.65-7.69 (m, 1H, Ar), 8.22-8.24 (m, 1H, Ar), 8.54 (dq, J = 4.9, 1.0 Hz, 1H, Ar), 9.78-9.80 (m, 1H, Ar); 13C NMR (CDCl3): δ 12.8 (Me), 113.4, 117.5, 118.5, 121.2, 121.5, 125.8, 129.5, 129.6, 133.7, 136.4, 148.2, 151.1 (Ar); MS (EI) m/z 209 (M+); HRMS Calcd for C13H11N3: 209.0953; Found: 209.0928.
Claims (4)
- イミダゾ[1,5-a]ピリジン骨格を持つ化合物またはその薬学的に許容される塩を有効成分とすることを特徴とするDNA損傷チェックポイント活性化剤。
- イミダゾ[1,5-a]ピリジン骨格を持つ化合物が、置換基を有していてもよいアリール基または置換基を有していてもよいヘテロアリール基を3位に有することを特徴とする請求項1記載のDNA損傷チェックポイント活性化剤。
- イミダゾ[1,5-a]ピリジン骨格を持つ化合物が、下記の一般式(1)で表されることを特徴とする請求項2記載のDNA損傷チェックポイント活性化剤。
- イミダゾ[1,5-a]ピリジン骨格を持つ化合物またはその薬学的に許容される塩を有効成分とすることを特徴とする抗癌剤。
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JP2012507010A (ja) * | 2008-10-24 | 2012-03-22 | マグナケム インターナショナル ラボラトリーズ, インコーポレイテッド | Rad9と選択的に相互作用する化合物をスクリーニングするための方法 |
JP2012516135A (ja) * | 2009-01-30 | 2012-07-19 | 味の素株式会社 | ヤロウィア属に属する酵母を用いてコハク酸を製造する方法 |
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WO2005080390A1 (en) * | 2004-02-18 | 2005-09-01 | Biofocus Discovery Ltd | Imidazopyridine derivatives as bsr-3 antagonists |
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WO2005080390A1 (en) * | 2004-02-18 | 2005-09-01 | Biofocus Discovery Ltd | Imidazopyridine derivatives as bsr-3 antagonists |
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JP2012507010A (ja) * | 2008-10-24 | 2012-03-22 | マグナケム インターナショナル ラボラトリーズ, インコーポレイテッド | Rad9と選択的に相互作用する化合物をスクリーニングするための方法 |
JP2012516135A (ja) * | 2009-01-30 | 2012-07-19 | 味の素株式会社 | ヤロウィア属に属する酵母を用いてコハク酸を製造する方法 |
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