JP5001012B2 - Hm74a受容体活性を有する薬剤 - Google Patents
Hm74a受容体活性を有する薬剤 Download PDFInfo
- Publication number
- JP5001012B2 JP5001012B2 JP2006552565A JP2006552565A JP5001012B2 JP 5001012 B2 JP5001012 B2 JP 5001012B2 JP 2006552565 A JP2006552565 A JP 2006552565A JP 2006552565 A JP2006552565 A JP 2006552565A JP 5001012 B2 JP5001012 B2 JP 5001012B2
- Authority
- JP
- Japan
- Prior art keywords
- purine
- dihydro
- chloro
- dione
- mmol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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- 235000020374 simple syrup Nutrition 0.000 description 1
- 208000017520 skin disease Diseases 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- 229910000104 sodium hydride Inorganic materials 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- 229920003109 sodium starch glycolate Polymers 0.000 description 1
- 239000008109 sodium starch glycolate Substances 0.000 description 1
- 229940079832 sodium starch glycolate Drugs 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 239000004334 sorbic acid Substances 0.000 description 1
- 235000010199 sorbic acid Nutrition 0.000 description 1
- 229940075582 sorbic acid Drugs 0.000 description 1
- 229960002920 sorbitol Drugs 0.000 description 1
- 230000009870 specific binding Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000008174 sterile solution Substances 0.000 description 1
- 239000008223 sterile water Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 239000000829 suppository Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- WHRNULOCNSKMGB-UHFFFAOYSA-N tetrahydrofuran thf Chemical compound C1CCOC1.C1CCOC1 WHRNULOCNSKMGB-UHFFFAOYSA-N 0.000 description 1
- CZDYPVPMEAXLPK-UHFFFAOYSA-N tetramethylsilane Chemical compound C[Si](C)(C)C CZDYPVPMEAXLPK-UHFFFAOYSA-N 0.000 description 1
- OULAJFUGPPVRBK-UHFFFAOYSA-N tetratriacontyl alcohol Natural products CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCO OULAJFUGPPVRBK-UHFFFAOYSA-N 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000017423 tissue regeneration Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
- 229940029284 trichlorofluoromethane Drugs 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 235000019156 vitamin B Nutrition 0.000 description 1
- 239000011720 vitamin B Substances 0.000 description 1
- 239000007762 w/o emulsion Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- BPICBUSOMSTKRF-UHFFFAOYSA-N xylazine Chemical compound CC1=CC=CC(C)=C1NC1=NCCCS1 BPICBUSOMSTKRF-UHFFFAOYSA-N 0.000 description 1
- 229960001600 xylazine Drugs 0.000 description 1
- QYEFBJRXKKSABU-UHFFFAOYSA-N xylazine hydrochloride Chemical compound Cl.CC1=CC=CC(C)=C1NC1=NCCCS1 QYEFBJRXKKSABU-UHFFFAOYSA-N 0.000 description 1
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- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
- A61K31/519—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
- A61K31/52—Purines, e.g. adenine
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- A61P3/00—Drugs for disorders of the metabolism
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- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
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- A61P5/00—Drugs for disorders of the endocrine system
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Description
本発明は、キサンチン誘導体である治療的に活性な化合物、前記誘導体を製造する方法、それらの活性化合物を含有する医薬処方、および療法、特にHM74A受容体の活性化低下がその疾患の一因であるか、またはその受容体の活性化が有益である疾患の治療におけるそれらの化合物の使用に関する。
異常脂質血症は、異常なリポタンパク質プロファイルを有する個体を説明するために用いられる一般的な用語である。臨床上、異常脂質血症を有する、したがって心血管疾患のリスクのある患者の治療に用いられる主な化合物の種類は、スタチン、フィブラート、胆汁酸結合樹脂、およびニコチン酸である。ニコチン酸(ナイアシン、ビタミンB)は、様々な形態の異常脂質血症を有する患者に、40年以上にわたって臨床的に用いられてきた。ニコチン酸の主たる作用様式は、ホルモン感受性トリグリセリドリパーゼ(HSL)の阻害によるものであり、これは血漿非エステル化脂肪酸(NEFA)を低減し、それがさらに肝脂肪代謝を変えて、LDLおよびVLDL(低密度リポタンパク質および超低密度リポタンパク質)の産出量を低減する。VLDLレベルの低減は、コレステロールエステル転送タンパク(CETP)活性を低下して、HDL(高密度リポタンパク質)レベルの増加をもたらし、これは心血管上の利点が認められる原因となると考えられている。このように、ニコチン酸は、リポタンパク質プロファイルに非常に望ましい変化を引き起こし、すなわちVLDLおよびLDLのレベルを低減し、HDLを増大する。ニコチン酸はまた、いくつかの試験において、疾患修飾の利点を有し、アテローム硬化性病変の進行を緩和し、退縮を増大し、心血管系イベントの発生数を低減することが実証されている。
本発明は、治療的に活性なキサンチン誘導体、ならびに療法、特にHM74A受容体の活性化低下がその疾患の一因であるか、またはその受容体の活性化が有益である疾患、特に糖尿病性異常脂質血症および混合型異常脂質血症などの異常脂質血症または高リポタンパク血症を含む脂質代謝疾患、心不全、高コレステロール血症、アテローム性動脈硬化症、動脈硬化症、および高トリグリセリド血症を含む心血管疾患の治療におけるそれらの誘導体の使用を提供する。したがって、これらの化合物は、冠動脈疾患、血栓症、狭心症、慢性腎不全、末梢血管疾患、および脳卒中、ならびにII型真性糖尿病、I型糖尿病、インスリン抵抗性、高脂血症、拒食症、肥満に関連する心血管適応症の治療剤としても好都合である可能性がある。これらの化合物はまた、以下に示すように、炎症性疾患または状態の治療にも有用である可能性がある。
本発明の一態様によれば、発明者らは、式(I):
R1は、水素、ならびにCNおよびCF3から選択される1つまたは複数の基で所望により置換されていてもよいC1〜4アルキルから選択され、
R2は、C3〜10非置換アルキル、フッ素およびCNから選択される1つまたは複数の基で置換されたC1〜10アルキル、C5アルケニル、非分枝鎖C4アルケニル、ならびにシクロアルキルで置換されたC1〜4アルキルから選択され、
R3は、ハロゲンおよびCNから選択され、
ただし、
(i)R3がClを表し、R1がエチルを表すとき、R2はプロピル以外であり、
(ii)R3がBrを表し、R1がプロピルを表すとき、R2はプロピル以外であり、
(iii)R3がClまたはBrを表し、R1がブチルを表すとき、R2はブチル以外であり、
(iv)R1がC1〜4アルキル、CH2CN、または(CH2)3CF3を表すとき、R2は分枝鎖アルキル以外である]
で示される化合物、またはその生理機能誘導体を提供する。
(8−クロロ−2,6−ジオキソ−1,2,6,7−テトラヒドロ−3H−プリン−3−イル)アセトニトリル、
3−ブチル−8−クロロ−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−1−メチル−3−ペンチル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(4,4,4−トリフルオロブチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−ブロモ−1−メチル−3−ペンチル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(3,3,3−トリフルオロプロピル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−1−プロピル−3−(2,2,2−トリフルオロエチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
3−ブチル−8−クロロ−1−メチル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
(3−ブチル−8−クロロ−2,6−ジオキソ−2,3,6,7−テトラヒドロ−1H−プリン−1−イル)アセトニトリル、
8−クロロ−3−(2−シクロプロピルエチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−1,3−ビス(4,4,4−トリフルオロブチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
4−(8−クロロ−1−メチル−2,6−ジオキソ−1,2,6,7−テトラヒドロ−3H−プリン−3−イル)ブタンニトリル、
8−クロロ−1−エチル−3−(2,2,2−トリフルオロエチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
1−メチル−2,6−ジオキソ−3−ペンチル−2,3,6,7−テトラヒドロ−1H−プリン−8−カルボニトリル、
8−クロロ−3−プロピル−1−メチル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(3−メチルブチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−ペンチル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−プロピル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
3−ブチル−1−メチル−2,6−ジオキソ−2,3,6,7−テトラヒドロ−1H−プリン−8−カルボニトリル、
8−クロロ−3−(4−ペンテン−1−イル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−ヘキシル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
4−(8−クロロ−2,6−ジオキソ−1,2,6,7−テトラヒドロ−3H−プリン−3−イル)ブタンニトリル、
8−クロロ−3−ヘキシル−1−メチル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
3−ブチル−8−クロロ−1−エチル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
[8−クロロ−3−(2−シクロプロピルエチル)−2,6−ジオキソ−2,3,6,7−テトラヒドロ−1H−プリン−1−イル]アセトニトリル、
(8−クロロ−2,6−ジオキソ−3−プロピル−2,3,6,7−テトラヒドロ−1H−プリン−1−イル)アセトニトリル、
8−クロロ−1−(4,4,4−トリフルオロブチル)−3−(2,2,2−トリフルオロエチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(2,2,2−トリフルオロエチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
2,2’−(8−クロロ−2,6−ジオキソ−6,7−ジヒドロ−1H−プリン−1,3(2H)−ジイル)ジアセトニトリル、
8−クロロ−1−メチル−3−(4,4,4−トリフルオロブチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(2−シクロヘキシルエチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
1,3−ジブチル−2,6−ジオキソ−2,3,6,7−テトラヒドロ−1H−プリン−8−カルボニトリル、
1,3−ジブチル−8−ヨード−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(4−メチルペンチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(6−メチルヘプチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−オクチル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−デシル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(シクロヘキシルメチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
(+/−)−8−クロロ−3−(3−メチルペンチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(2−シクロペンチルエチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(シクロプロピルメチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
(+/−)−8−クロロ−3−(2−メチルブチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
(+/−)−8−クロロ−3−(2−メチルペンチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(シクロブチルメチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(シクロペンチルメチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(3−シクロプロピルプロピル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(2−シクロブチルエチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(4−フルオロブチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(3−フルオロプロピル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(5−フルオロペンチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
4−(8−クロロ−1−メチル−2,6−ジオキソ−1,2,6,7−テトラヒドロ−3H−プリン−3−イル)ブタンニトリル、
3−(3−ブテン−1−イル)−8−クロロ−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
6−(8−クロロ−2,6−ジオキソ−1,2,6,7−テトラヒドロ−3H−プリン−3−イル)−2,2−ジメチルヘキサンニトリル、
8−クロロ−3−(6−フルオロヘキシル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン。
一過性トランスフェクションのために、HEK293T細胞(SV40ラージT抗原を安定に発現するHEK293細胞)を、10%ウシ胎児血清および2mMグルタミンを含有するDMEMに維持した。細胞を90mmの培養皿に播種し、トランスフェクションに先立って、60〜80%コンフルエンスに増殖させた(18〜24時間)。ヒトHM74A(GenBank(商標)アクセッション番号AY148884)を、哺乳動物発現ベクター(pcDNA3、Invitrogen)にサブクローニングし、Lipofectamine試薬を用いてトランスフェクトした。トランスフェクションのために、DNA9μgを、Opti−MEM0.6ml(Life Technologies Inc.)中のLipofectamine30μlと混合し、室温で30分間インキュベートし、その後、Opti−MEM1.6mlを添加した。細胞をLipofectamine/DNA混合物に5時間暴露し、次いで、DMEM中20%(v/v)ウシ胎児血清6mlを添加した。トランスフェクション48時間後、細胞を収集した。16時間、50ngml−1で培地に追加することによって、百日咳毒素処理を行った。すべての一過性トランスフェクション試験は、Gi/oGタンパク質、Go1αに加えて受容体のコトランスフェクションを伴った。
HM74Aアゴニストを、試験前少なくとも12時間絶食させた、雄のSpague−Dawleyラット(200〜250g)で試験した。化合物を静脈内(5ml/kg)または強制経口(10ml/kg)によって投与した。血液サンプル(尾静脈血0.3ml)を、投与前、および投与後に3回(時間は投与後15分から8時間)採取した。各血液サンプルを、ヘパリン管(Becton Dickinson Microtainer、PST LH)に移し、遠心分離して(10000g、5分間)、血漿サンプルを作製した。この血漿サンプルを、市販され入手可能なキット(Randox)を用いて、非エステル化脂肪酸(NEFA)のレベルに関して分析した。投与前レベルに対する、血漿NEFAレベルの抑制を、HM74Aアゴニスト活性の代理として用いた。
質量スペクトル(MS)は、エレクトロスプレー陽イオン化[(ES+veによりMH+およびM(NH4)+分子イオンを得る]またはエレクトロスプレー陰イオン化[(ES−veにより(M−H)−分子イオンを得る]モードを用いて、Fisons VG Platform質量分析計で記録した。
R1は、水素、ならびにCNおよびCF3から選択される1つまたは複数の基で所望により置換されていてもよいC1〜4アルキルから選択され、
R2は、C2〜10非置換アルキル、フッ素およびCNから選択される1つまたは複数の基で置換されたC1〜10アルキル、C5アルケニル、非分枝鎖C4アルケニル、ならびにシクロアルキルで置換されたC1〜4アルキルから選択され、
R3は、ハロゲンおよびCNから選択される]
で示される化合物、およびその生理機能誘導体の使用が提供される。特に、糖尿病性異常脂質血症または混合型異常脂質血症、心不全、高コレステロール血症、II型真性糖尿病、I型糖尿病、インスリン抵抗性、高脂血症、拒食症、肥満、冠動脈疾患、血栓症、狭心症、慢性腎不全、脳卒中、ならびにアテローム性動脈硬化症、動脈硬化症、および高トリグリセリド血症を含む心血管疾患を治療する薬剤の製造における、式(II)の化合物の使用が提供される。
(8−クロロ−2,6−ジオキソ−1,2,6,7−テトラヒドロ−3H−プリン−3−イル)アセトニトリル、
3−ブチル−8−クロロ−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−1−メチル−3−ペンチル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(4,4,4−トリフルオロブチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−ブロモ−1−メチル−3−ペンチル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(3,3,3−トリフルオロプロピル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−1−プロピル−3−(2,2,2−トリフルオロエチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
3−ブチル−8−クロロ−1−メチル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
(3−ブチル−8−クロロ−2,6−ジオキソ−2,3,6,7−テトラヒドロ−1H−プリン−1−イル)アセトニトリル、
8−クロロ−3−(2−シクロプロピルエチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−1,3−ビス(4,4,4−トリフルオロブチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
4−(8−クロロ−1−メチル−2,6−ジオキソ−1,2,6,7−テトラヒドロ−3H−プリン−3−イル)ブタンニトリル、
8−クロロ−1−エチル−3−(2,2,2−トリフルオロエチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
1−メチル−2,6−ジオキソ−3−ペンチル−2,3,6,7−テトラヒドロ−1H−プリン−8−カルボニトリル、
8−クロロ−3−プロピル−1−メチル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(3−メチルブチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−ペンチル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−プロピル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
3−ブチル−1−メチル−2,6−ジオキソ−2,3,6,7−テトラヒドロ−1H−プリン−8−カルボニトリル、
8−クロロ−3−(4−ペンテン−1−イル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−ヘキシル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
4−(8−クロロ−2,6−ジオキソ−1,2,6,7−テトラヒドロ−3H−プリン−3−イル)ブタンニトリル、
8−クロロ−3−ヘキシル−1−メチル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
3−ブチル−8−クロロ−1−エチル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
[8−クロロ−3−(2−シクロプロピルエチル)−2,6−ジオキソ−2,3,6,7−テトラヒドロ−1H−プリン−1−イル]アセトニトリル、
(8−クロロ−2,6−ジオキソ−3−プロピル−2,3,6,7−テトラヒドロ−1H−プリン−1−イル)アセトニトリル、
8−クロロ−1−(4,4,4−トリフルオロブチル)−3−(2,2,2−トリフルオロエチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(2,2,2−トリフルオロエチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
2,2’−(8−クロロ−2,6−ジオキソ−6,7−ジヒドロ−1H−プリン−1,3(2H)−ジイル)ジアセトニトリル、
8−クロロ−1−メチル−3−(4,4,4−トリフルオロブチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(2−シクロヘキシルエチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
1,3−ジブチル−2,6−ジオキソ−2,3,6,7−テトラヒドロ−1H−プリン−8−カルボニトリル、
1,3−ジブチル−8−ヨード−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(4−メチルペンチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(6−メチルヘプチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−オクチル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−デシル−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(シクロヘキシルメチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
(+/−)−8−クロロ−3−(3−メチルペンチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(2−シクロペンチルエチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(シクロプロピルメチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
(+/−)−8−クロロ−3−(2−メチルブチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
(+/−)−8−クロロ−3−(2−メチルペンチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(シクロブチルメチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(シクロペンチルメチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(3−シクロプロピルプロピル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(2−シクロブチルエチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(4−フルオロブチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(3−フルオロプロピル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−(5−フルオロペンチル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
4−(8−クロロ−1−メチル−2,6−ジオキソ−1,2,6,7−テトラヒドロ−3H−プリン−3−イル)ブタンニトリル、
3−(3−ブテン−1−イル)−8−クロロ−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
6−(8−クロロ−2,6−ジオキソ−1,2,6,7−テトラヒドロ−3H−プリン−3−イル)−2,2−ジメチルヘキサンニトリル、
8−クロロ−3−(6−フルオロヘキシル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン、
8−クロロ−3−エチル−1−メチル−3,7−ジヒドロ−1H−プリン−2,6−ジオン。
R1はHまたはR2と同じであり、R3はClである式(I)または式(II)の化合物を調製するための本発明による方法は、以下を含む。
ii)亜硝酸ナトリウムでジアゾ化、その後、加水分解によりキサンチンを形成
iii)塩素化
iv)N3をアルキル化、および/またはN1とN3をジアルキル化
v)アリル基をパラジウム触媒で除去
R3はCNである式(I)または式(II)の化合物を調製するための本発明による方法は、方法Aの工程(i)および(ii)、それに続く以下の工程を含む。
iv)N1をアルキル化
v)LiHMDSでリチオ化し、DMFでクエンチすることにより、C8にアルデヒドを形成
vi)アルデヒドをニトリルに変換
vii)アリル基をパラジウム触媒で除去
R3はClまたはBrである式(I)または式(II)の化合物を調製するための本発明による方法は、方法Bの工程(i)から(iv)、それに続く以下の工程を含む。
R3はCNである式(I)または式(II)の化合物を調製するための本発明による方法は、方法Bの工程(i)から(iv)、それに続く以下の工程を含む。
R3はClである式(I)または式(II)の化合物を調製するための本発明による方法は、以下を含む。
R1はR2と異なり、R3はClである式(I)または式(II)の化合物を調製するための本発明による方法は、方法Aの工程(i)から(iv)、それに続く以下の工程を含む。
R1はR2と異なり、R3はClである式(I)または式(II)の化合物を調製するための本発明による方法は、方法Fの工程(i)から(v)(方法FのR2は特にSEMまたはMEMである)、それに続く以下の工程を含む。
R3はCl、Br、I、またはFである式(I)または式(II)の化合物を調製するための本発明による方法は、方法Bの工程(i)から(iv)、それに続く以下の工程を含む。
R1はHまたはアルキルであり、R2はアルキルであり、R3はClである式(I)または式(II)の化合物を調製するための本発明による方法は、以下を含む。
THF テトラヒドロフラン
Ac アセチル
DCM ジクロロメタン
DMEM ダルベッコ改変イーグル培地
HEPES 4−(2−ヒドロキシエチル)ピペラジン−1−エタンスルホン酸
DMSO ジメチルスルホキシド
NBS N−ブロモスクシンイミド
NCS N−クロロスクシンイミド
NIS N−ヨードスクシンイミド
DMF ジメチルホルムアミド
LiHMDS リチウムヘキサメチルジシリルアミド
DBAD ジベンジルアゾジカルボキシレート
DIPEA ジイソプロピルエチルアミン
PyBOP ベンゾトリアゾ−1−イルオキシトリピロリジノホスホニウムヘキサフルオロホスフェート
MEM メトキシエチルオキシメチル
SEM 2−(トリメチルシリル)エトキシメチル
TFA トリフルオロ酢酸
RT 室温
△ 加熱
実施例1:8−クロロ−3−(4−ペンテン−1−イル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン
[8−クロロ−2,6−ジオキソ−7−(2−プロペン−1−イル)−1,2,6,7−テトラヒドロ−3H−プリン−3−イル]アセトニトリル
白色固体(0.084g、16%);m/z 266[MH+]。
2,2’−[8−クロロ−2,6−ジオキソ−7−(2−プロペン−1−イル)−6,7−ジヒドロ−1H−プリン−1,3(2H)−ジイル]ジアセトニトリル
白色固体(0.195g、32%);m/z 305[MH+]。
NMR δH(400MHz,d6−DMSO)2.64〜2.76(m,2H)、4.12(t,2H,J=7Hz)、11.30(s,1H)、14.46(br.s,1H);m/z 283[MH+]
δH(400MHz,d4−MeOD)4.68(q,2H,J=8.5Hz);m/z 267.1[M−H]−
NMR δH(400MHz,d6−DMSO)0.80〜0.95(m,2H)、1.05〜1.35(m,4H)、1.45〜1.55(m,2H)、1.55〜1.70(m,3H)、1.70〜1.80(m,2H)、3.86(t,2H,J=8Hz)、11.07(s,1H)、交換可能な1個は認められなかった。m/z 297(MH+)。
あるいは、8−クロロ−1−メチル−7−(2−プロペン−1−イル)−3,7−ジヒドロ−1H−プリン−2,6−ジオンは、SEM保護基を用いて調製することもできる。
NMR δH(400MHz,d6−DMSO)0.87(t,3H,J=7.5Hz)、1.61〜1.73(m,2H)、3.22(s,3H)、3.89(t,2H,J=7.5Hz)、14.45(br.s,1H)、m/z 243[MH+]
NMR δH(400MHz,d6−DMSO)−0.06〜0.00(m,2H)、0.31〜0.39(m,2H)、0.64〜0.74(m,1H)、1.57(q,2H,J=7Hz)、4.04(t,2H,J=7Hz)、4.87(s,2H)、14.68(br.s,1H);m/z 294[MH+]。
NMR δH(400MHz,CDCl3)0.99(t,3H,J=7.5Hz)、1.68〜1.79(m,2H)、4.07(t,2H,J=7.5Hz)、4.77(q,2H,J=8.5Hz)、δH13までNHは認められなかった;m/z 311[MH+]。
NMR;δH(400MHz,d4−MeOD)1.83〜1.95(m,2H)、2.14〜2.32(m,2H)、4.06(t,2H,J=7Hz)、4.74(q,2H,J=8.5Hz)、m/z 377[M−H]−。
NMR δH(400MHz,d6−DMSO)0.88(t,3H,J=7Hz)、1.25〜1.35(m,2H)、1.6〜1.66(m,2H)、3.22(s,3H)、3.91(t,2H,J=7.5Hz)、14.46(br s,1H);m/z 257[MH+]。
MeOHから再結晶。
収量34.8mg(29%)、NMR;(400MHz,d6−DMSO)δH 0.83(d,6H,J=8Hz)、1.12〜1.22(m,2H)、1.55(七重線,1H,J=8Hz)、1.58〜1.68(m,2H)、3.83(t,2H,J=7.5Hz)、11.20(s,1H);m/z 271[MH+]
MeOHから再結晶。
収量48.5mg(35%);NMR;(400MHz,d6−DMSO)δH 1.27(s,6H)、1.35〜1.44(m,2H)、1.54〜1.59(m,2H)、1.63〜1.72(m,2H)、3.88(t,2H,J=7Hz)、11.24(s,1H);m/z 310[MH+]
MeOHから再結晶。
収量36mg(27%)、NMR;(400MHz,d6−DMSO)δH 0.83(d,6H,J=7.5Hz)、1.10〜1.17(m,2H)、1.20〜1.34(m,4H)、1.48(七重線,1H,J=7.5Hz)、1.58〜1.68(m,2H)、3.84(t,2H,J=8Hz)、11.22(s,1H);m/z 299[MH+]
収量48mg(36%);NMR;(400MHz,d6−DMSO)δH 0.84(t,3H,J=7Hz)、1.18〜1.30(m,10H)、1.57〜1.66(m,2H)、3.84(t,2H,J=7.5Hz)、11.22(s,1H);m/z 299[MH+]
収量2mg(1.4%);NMR;(400MHz,d4−メタノール)δH 0.89(t,3H,J=7Hz)、1.26〜1.38(m,14H)、1.68〜1.76(m,2H)、3.97(t,2H,J=7.5Hz);m/z 327[MH+]。
MeOHから再結晶
収量31mg(25%);NMR;(400MHz,d6−DMSO)δH 0.90〜1.02(m,2H)、1.08〜1.20(m,3H)、1.53〜1.69(m,5H)、1.77〜1.87(m,1H)、3.70(d,2H,J=7.5Hz)、11.21(s,1H);m/z 283[MH+]
8−クロロ−3,7−ジヒドロ−1H−プリン−2,6−ジオン(100mg、0.442mmol)の乾燥THF(3ml)溶液に、アルコール(0.442mmol)を添加した。混合物を0℃で撹拌しながら、アゾジカルボン酸ジベンジル(純度94%、280mg、0.88mmol)の乾燥THF(2ml)溶液を添加し、続いてトリフェニルホスフィン(232mg、0.88mmol)の乾燥THF溶液を5分かけて滴加した。さらに30分間0℃の後、室温で18時間撹拌を続けた。数回容器を排気して窒素を再充填することによって、混合物を完全に脱気し、その後、テトラキス(トリフェニルホスフィン)パラジウム(0)(102mg、0.088mmol)を添加し、続いてモルホリン(0.385ml、4.42ml)を添加し、4.5時間撹拌を続けた。EtOAcと2M HClを加え、混合物を濾過して、沈殿した黄色固体を除去した。濾液を分離し、有機相を濃縮、THFとMeOHの混合物に再び溶解した。この溶液をアミノプロピルSPEに通し、THF−MeOH(1:1)、続いてMeOH、その後5%AcOHのDCM−MeOH(1:1)溶液で溶出した。このようにして得られた生成物の画分を濃縮し、MeOHから再結晶して、純粋な表題化合物を得た。
収量20.2mg(17%);NMR;(400MHz,d6−DMSO)δH 0.83(t,3H,J=7.5Hz)、0.90(d,3H,J=6.5Hz)、1.12〜1.21(m,1H)、1.30〜1.48(m,3H)、1.58〜1.68(m,1H)、3.87(t,2H,J=7.5Hz)、11.21(s,1H);m/z 271[MH+]。
収量24.6mg(20%);NMR;(400MHz,d6−DMSO)δH 1.04〜1.15(m,2H)、1.40〜1.67(m,6H)、1.70〜1.82(m,3H)、3.86(t,2H,J=7.5Hz)、11.22(s,1H);m/z 283[MH+]
収量22.3mg(21%);NMR;(400MHz,d6−DMSO)δH 0.34〜0.40(m,2H)、0.40〜0.48(m,2H)、1.17〜1.27(m,1H)、3.74(d,2H,J=7.5Hz)、11.23(s,1H);m/z 241[MH+]。
収量12mg(9.5%);NMR;(400MHz,d6−DMSO)δH 0.81(d,3H,J=7Hz)、0.86(t,3H,J=7.5Hz)、1.06〜1.17(m,1H)、1.30〜1.41(m,1H)、1.90〜2.00(m,1H)、3.68(dd,1H,J=13.5および8Hz)、3.75(dd,1H,J=13.5および7.5Hz)、11.22(s,1H);m/z 257[MH+]
収量22.4mg(19%);NMR;(400MHz,d6−DMSO)δH 0.81(d,3H,J=7Hz)、0.84(t,3H,J=7.5Hz)、1.05〜1.16(m,1H)、1.16〜1.43(m,3H)、1.98〜2.09(m,1H)、3.67(dd,1H,J=13.5および8Hz)、3.74(dd,1H,J=13.5および7Hz)、11.22(s,1H);m/z 271[MH+]
収量30.5mg(27%);NMR;(400MHz,d6−DMSO)δH 1.73〜1.85(m,4H)、1.86〜1.97(m,2H)、2.66〜2.79(m,1H)、3.90(d,2H,J=7.5Hz)、11.22(s,1H);m/z 255[MH+]
収量15mg(13%);NMR;(400MHz,d6−DMSO)δH 1.20〜1.32(m,2H)、1.42〜1.54(m,2H)、1.54〜1.66(m,4H)、2.32〜2.45(m,1H)、3.79(d,2H,J=8Hz)、11.22(s,1H);m/z 269[MH+]
収量27.7mg(23%);NMR;(400MHz,d6−DMSO)δH −0.03−+0.03(m,2H)、0.34〜0.40(m,2H)、0.65〜0.75(m,1H)、1.15〜1.23(m,2H)、1.66〜1.76(m,2H)、3.87(t,2H,J=7Hz)、11.15(s,1H);m/z 269[MH+]
収量21.5mg(18%);NMR;(400MHz,d6−DMSO)δH 1.53〜1.64(m,2H)、1.68〜1.85(m,4H)、1.93〜2.03(m,2H)、2.19〜2.30(m,1H)、3.78(t,2H,J=7Hz)、11.20(s,1H);m/z 269[MH+]
8−クロロ−3−(4−フルオロブチル)−7−(2−プロペン−1−イル)−3,7−ジヒドロ−1H−プリン−2,6−ジオン(100mg、0.33mmol、1当量)の無水DCM(2ml)懸濁液に、パラジウムテトラキス(38mg、0.033mmol、10%bw)を添加し、続いて酢酸(115μl、121mg、2.01mmol、6当量)およびフェニルシラン(410μl、360mg、3.33mmol、10当量)を添加した。生じた淡黄色の溶液を周囲温度で16時間撹拌し、濃い紫色の溶液を得た。溶媒を窒素流下で除去し、残留物を加熱しながらDMSO/メタノール溶液(3ml、2:1)に溶解した。ゼラチン状混合物を周囲温度に冷まし、濾過し、その後、質量分析自動分取HPLCによって精製して、白色固体として表題化合物を得た(35mg、43%)。m/z 261.2[MH+]NMR(400MHz,MeOD)、δH 4.45(2H,dt,J=47および6Hz)、4.03(2H,t,J=7Hz)、1.90〜1.65(4H,m)。
収量27.5mg(26%)、NMR;(400MHz,d6−DMSO)δH 2.40(dt,2H,J=7および6Hz)、3.93(t,2H,J=7Hz)、4.97〜5.07(m,2H)、5.74〜5.85(m,1H)。11.22(s,1H);m/z 241[MH+]
Claims (20)
- 式(I):
R1は、水素、ならびにCNおよびCF3から選択される1つまたは複数の基で置換されていてもよいC1〜4アルキルから選択され、
R2は、C3〜10非置換アルキル、フッ素およびCNから選択される1つまたは複数の基で置換されたC1〜10アルキル、C5アルケニル、非分枝鎖C4アルケニル、ならびにシクロアルキルで置換されたC1〜4アルキルから選択され、
R3は、ハロゲンおよびCNから選択される;
ただし、
(i)R3がClを表し、R1がエチルを表すとき、R2はプロピル以外であり、
(ii)R3がBrを表し、R1がプロピルを表すとき、R2はプロピル以外であり、
(iii)R3がClまたはBrを表し、R1がブチルを表すとき、R2はブチル以外であり、
(iv)R1がC1〜4アルキル、CH2CN、または(CH2)3CF3を表すとき、R2は分枝鎖アルキル以外であり、および
(v)R3がClを表し、R1が水素を表すとき、R2はn−ペンチル以外である]
で示される化合物、またはその医薬上許容される塩もしくは溶媒和物。 - R1が、水素、C1〜4アルキル、CH2CN、および(CH2)3CF3から選択され、
R2が、C3〜10非置換アルキル、(CH2)1〜5CN、1つまたは複数のフッ素置換を有するC2〜5アルキル、C5アルケニル、およびシクロアルキルで置換されたC1〜4アルキルから選択され、
R3が、ハロゲンおよびCNから選択される、
ただし、
(i)R3がClを表し、R1がエチルを表すとき、R2はプロピル以外であり、
(ii)R3がClまたはBrを表し、R1がブチルを表すとき、R2はブチル以外であり、
(iii)R1がC1〜4アルキル、CH2CN、または(CH2)3CF3を表すとき、R2は分枝鎖アルキル以外であり、および
(iv)R3がClを表し、R1が水素を表すとき、R2はn−ペンチル以外である、請求項1に記載の化合物またはその医薬上許容される塩もしくは溶媒和物。 - R1が水素およびメチルから選択される請求項1または2に記載の化合物またはその医薬上許容される塩もしくは溶媒和物。
- R2が、C4〜6非置換n−アルキル、(CH2)1〜3CN、1つまたは複数のフッ素置換を有するC3〜4アルキル、およびC5アルケニルから選択される請求項1ないし3のいずれか一項に記載の化合物またはその医薬上許容される塩もしくは溶媒和物。
- R3がハロゲンを表す請求項1ないし4のいずれか一項に記載の化合物またはその医薬上許容される塩もしくは溶媒和物。
- R3が塩素および臭素から選択される請求項1ないし5のいずれか一項に記載の化合物またはその医薬上許容される塩もしくは溶媒和物。
- R3が塩素を表す請求項1ないし6のいずれか一項に記載の化合物またはその医薬上許容される塩もしくは溶媒和物。
- 8−クロロ−1−メチル−3−ペンチル−3,7−ジヒドロ−1H−プリン−2,6−ジオンである、請求項1に記載の化合物またはその医薬上許容される塩もしくは溶媒和物。
- 必須成分として請求項1ないし8のいずれか一項に記載の化合物またはその医薬上許容される塩もしくは溶媒和物を含む、ヒトまたは動物の治療のための薬剤。
- 必須成分として請求項1から8のいずれか一項に記載の化合物またはその医薬上許容される塩もしくは溶媒和物を含む、脂質代謝障害の治療のための薬剤。
- 必須成分として請求項1から8のいずれか一項に記載の化合物またはその医薬上許容される塩もしくは溶媒和物を含む、糖尿病性異常脂質血症、混合型異常脂質血症、心不全、高コレステロール血症、アテローム性動脈硬化症、動脈硬化症、または高トリグリセリド血症、II型真性糖尿病、I型糖尿病、インスリン抵抗性、高脂血症、拒食症、肥満、冠動脈疾患、血栓症、狭心症、慢性腎不全、末梢血管疾患、または脳卒中の治療のための薬剤。
- 必須成分として請求項1から8のいずれか一項に記載の化合物またはその医薬上許容される塩もしくは溶媒和物を含む、異常脂質血症、高リポタンパク質血症、高コレステロール血症または高トリグリセリド血症の治療のための薬剤。
- HM74A受容体の活性化低下がその状態の一因であるか、またはその受容体の活性化が有益であろう状態を有するヒトまたは動物対象を治療するための薬剤の製造における、式(II):
R1は、水素、ならびにCNおよびCF3から選択される1つまたは複数の基で置換されていてもよいC1〜4アルキルから選択され、
R2は、C2〜10非置換アルキル、フッ素およびCNから選択される1つまたは複数の基で置換されたC1〜10アルキル、C5アルケニル、非分枝鎖C4アルケニル、ならびにシクロアルキルで置換されたC1〜4アルキルから選択され、
R3は、ハロゲンおよびCNから選択される:
ただし、R3がClを表し、R1が水素を表すとき、R2はn−ペンチル以外である]
で示される化合物、またはその医薬上許容される塩もしくは溶媒和物の使用。 - 脂質代謝障害の治療用薬剤の製造における請求項13記載の式(II)の化合物またはその医薬上許容される塩もしくは溶媒和物の使用。
- 糖尿病性異常脂質血症、混合型異常脂質血症、心不全、高コレステロール血症、アテローム性動脈硬化症、動脈硬化症、または高トリグリセリド血症、II型真性糖尿病、I型糖尿病、インスリン抵抗性、高脂血症、拒食症、肥満、冠動脈疾患、血栓症、狭心症、慢性腎不全、または脳卒中の治療用薬剤の製造における、請求項13に記載の式(II)の化合物またはその医薬上許容される塩もしくは溶媒和物の使用。
- 異常脂質血症、高リポタンパク血症、高コレステロール血症または高トリグリセリド血症の治療用薬剤の製造における請求項13に記載の式(II)の化合物またはその医薬上許容される塩もしくは溶媒和物の使用。
- 請求項1から8のいずれか一項に記載の化合物またはその医薬上許容される塩もしくは溶媒和物、および1種または複数の生理的に許容される希釈剤、賦形剤、または担体を含む医薬製剤。
- 個別または併用医薬製剤として、併せてまたは個別に、連続してまたは同時に投与するための組合せ製剤であって、別の治療活性剤と共に請求項1から8のいずれか一項に記載の化合物またはその医薬上許容される塩もしくは溶媒和物を含む組合せ製剤。
- (i)請求項1から8のいずれか一項に記載の化合物またはその医薬上許容される塩もしくは溶媒和物、
(ii)スタチン、フィブラート、胆汁酸結合樹脂、およびニコチン酸から選択される1種または複数の活性成分、ならびに
(iii)1種または複数の生理的に許容される希釈剤、賦形剤、または担体を含む医薬製剤。 - R3がハロゲンである請求項1から8のいずれか一項に記載の化合物またはその医薬上許容される塩もしくは溶媒和物を調製する方法であって、
(i)N7保護キサンチンのN1およびN3のジアルキル化、あるいはN1またはN3のアルキル化;
(ii)C8のハロゲン化;ならびに
(iii)脱保護;
を、任意の順序にて、ただし、脱保護がアルキル化後に行われることを含む、方法。
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