JP2015522598A - 肝細胞癌を処置するためのvegfr−3阻害剤の使用 - Google Patents
肝細胞癌を処置するためのvegfr−3阻害剤の使用 Download PDFInfo
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- JP2015522598A JP2015522598A JP2015522076A JP2015522076A JP2015522598A JP 2015522598 A JP2015522598 A JP 2015522598A JP 2015522076 A JP2015522076 A JP 2015522076A JP 2015522076 A JP2015522076 A JP 2015522076A JP 2015522598 A JP2015522598 A JP 2015522598A
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- 239000000375 suspending agent Substances 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000004797 therapeutic response Effects 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- CFOAUYCPAUGDFF-UHFFFAOYSA-N tosmic Chemical compound CC1=CC=C(S(=O)(=O)C[N+]#[C-])C=C1 CFOAUYCPAUGDFF-UHFFFAOYSA-N 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 239000007762 w/o emulsion Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
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- A61K31/4375—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom ortho- or peri-condensed with heterocyclic ring systems the heterocyclic ring system containing a six-membered ring having nitrogen as a ring heteroatom, e.g. quinolizines, naphthyridines, berberine, vincamine
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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Abstract
Description
の化合物またはその薬学的に許容される塩を、それを必要とする患者に投与することを含む、肝細胞癌の処置方法に関する。
2−アミノ−1−エチル−7−((3R)−3−ヒドロキシ−4−メトキシ−3−メチル−ブタ−1−イニル)−3−(1H−イミダゾール−2−イル)−1H−[1,8]−ナフチリジン−4−オン
工程1:6−クロロ−2−エチルアミノ−ニコチン酸
エチルアミン溶液(70%水溶液)180ml中2,6−ジクロロニコチン酸18.0g(84.4mmol)の溶液を周囲温度で72時間、撹拌した。次いで、過剰のアミンを減圧下で蒸発させ、生成物が沈殿するまで、10%酢酸水溶液を添加した。ベージュ色の固体をスピンフィルタ乾燥し、冷水で濯ぎ、オーブンで乾燥させた。予想した生成物10.5gを得た。
融点=158〜160℃
収率=62%。
ピリジン2ml(24.8mmol)および2,4,6−トリフルオロトリアジン4.2ml(49.8mmol)を、ジクロロメタン125ml中6−クロロ−2−エチルアミノ−ニコチン酸5.0g(24.8mmol)の懸濁液に添加した。混合物を周囲温度で3時間撹拌し、次いで濾過した。固形物をジクロロメタン50mlで濯ぎ、濾液を氷冷水60mlで2度洗浄した。有機相をNa2SO4上で乾燥させ、溶媒を減圧下で蒸発させた。生成物5.01gがオレンジ色油の形態で得られ、これをさらに精製することなく使用した。
収率=99%。
鉱油(50%、0.52mol)中の水素化ナトリウム20.8gの油性懸濁液を、鉱油が含まれなくなるように撹拌しながらヘキサンで3回洗浄し、DMF400mlに懸濁した。周囲温度で撹拌しながらイミダゾール−2−カルボアルデヒド50.0g(0.520mol)を懸濁液に添加した。1.5時間後、2−(トリメチルシラニル)エトキシメチルクロリド101ml(0.572mol)を添加し、反応物をさらに1時間撹拌した。次いで過剰の水を懸濁液に添加し、反応混合物を酢酸エチルで3回抽出した。有機相をNa2SO4上で乾燥させ、溶媒を減圧下で蒸発させた。次いで原料をカラムクロマトグラフィー(DCM)で精製し、SEM保護イミダゾール−2−カルボアルデヒド85.0g(0.376mol)を得た。
収率=72%
MH+=227.1(C10H18N2O2Si、Mr=226.35)
1H NMR(DMSO−d6,500MHz):δ 9.83(s,1H);7.86(s,1H);7.39(s,1H);5.75(s,2H);3.58(t,2H);0.95(t,2H);0.02(s,9H)
トシルメチルイソシアニド1.73g(8.84mmol)を、DME10mlに溶解させ、−60℃に冷却した。この温度で最初にカリウムtert−ブトキシド1.98gを添加し、次いでゆっくりとDME5ml中1−(2−トリメチルシラニル−エトキシメチル)−1H−イミダゾール−2−カルボアルデヒド2.00g(8.84mmol)の溶液を添加した。−60℃で2時間撹拌後、反応物を0℃に到達させ、メタノール(123.60mmol)5mlを溶液に添加した。反応物を、周囲温度でさらに24時間撹拌し、40℃で2時間撹拌した。過剰の水を添加し、溶液をジクロロメタンで3回抽出した。有機相を、Na2SO4上で乾燥させ、減圧下で溶媒を蒸発後、原料を逆相カラムクロマトグラフィー(水0.1%TFA/アセトニトリル=80/20)で精製し、SEM保護イミダゾール−アセトニトリル0.87g(0.367mol)を得た。
収率=41%
MH+=238.1(C11H19N3OSi、Mr=237.38)
1H NMR(DMSO−d6,500MHz):δ7.66(s,1H);7.39(s,1H);5.53(s,2H);4.52(s,2H);3.55(t,2H);0.92(t,2H);0.02(s,9H)
カリウムtert−ブチレート0.283g(2.53mmol)を、無水THF10ml中[1−(2−トリメチルシラニル−エトキシメチル)−1H−イミダゾール−2−イル]−アセトニトリル0.600g(2.53mmol)の0℃溶液に少量ずつ添加した。混合物を周囲温度で45分間撹拌し、次いで0℃に再度冷却した。次いでTHF10ml中6−クロロ−2−エチルアミノ−ニコチノイルフルオリド0.512g(2.53mmol)の溶液を添加し、媒体を周囲温度で一晩撹拌し、再度0℃に冷却し、第2の等量のカリウムtert−ブチレート(0.283g、2.53mmol)を添加した。周囲温度で2時間撹拌した後、飽和塩化アンモニウム水溶液50mlを添加し、pHを2N HClで7に調整し、次いで酢酸エチルで3回抽出した。合わせた有機相をMgSO4上で乾燥させ、溶媒を減圧下で蒸発させた。原料をカラムクロマトグラフィー(DCM/メタノール=90:10)でさらに精製し、標題化合物418mg(収率=38%)を得た。
MH+=421(C19H26ClN5O2Si、Mr=419.99)
1H NMR(DMSO−d6,500MHz):δ13.35(s,1H);7.70(d,1H);7.46(s,1H);7.23(s,1H);7.08(t,1H);6.58(d,1H);5.59(s,2H);3.58(t,2H);3.34(dq,2H);1.13(t,3H);−0.03(3s,9H)。
カリウムtert−ブチレート0.112g(1mmol)を、無水THF5ml中の1.53−(6−クロロ−2−エチルアミノ−ピリジン−3−イル)−3−ヒドロキシ−2−[1−(2−(トリメチルシラニル−エトキシメチル)−1H−イミダゾール−2−イル]−アクリロニトリル下で調製した中間体418mg(1mmol)の0℃の冷溶液に少量ずつ添加した。混合物を周囲温度で48時間撹拌し、その後、飽和塩化アンモニウム水溶液50mlを添加し、pHを2N HClで7に調整し、反応混合物を酢酸エチルで3回抽出した。合わせた有機相をMgSO4上で乾燥させ、溶媒を減圧下で蒸発させ、標題化合物400mgを得た。
収率=38%
MH+=421(C19H26ClN5O2Si、Mr=419.99)
1H NMR(DMSO−d6,500MHz):δ8.50(d,1H);8.03(s,1H);7.98(s,1H);7.78(s,2H);7.60(s,1H);5.49(s,2H);4.58(q,2H);3.57(t,2H);1.42(t,3H);0.85(t,2H);−0.03(3s,9H)。
市販のテトラヒドロフラン中塩化エチニルマグネシウムの0.5M溶液をテトラヒドロフラン200mlで希釈し、0℃に冷却した。次いで、テトラヒドロフラン200ml中ヒドロキシアセトンの溶液を添加し、混合物を周囲温度で3時間撹拌した。反応混合物を冷却し、NH4Cl水溶液を添加した。混合物を酢酸エチルで3回抽出し、有機相を合わせ、硫酸ナトリウム上で乾燥させ、濾過し、真空(およそ200ミリバール)下で濃縮した。最後に、予想した生成物20gを茶色油の形態で得て、これをさらに精製することなく(定量的粗収率)ラセミ形態で使用するか、または分取HPLCによりキラルHPLCカラムで純粋な鏡像体を分離することもできた。光学的に純粋な鏡像体を得るために、対応するラセミ混合物を、キラル固定相(Chiralpak AD−Hカラム、250×21mm、5mm)上で移動相として:CO2/2−プロパノール(70%/30%)を流量60ml/分、圧力100バール、またはイソヘキサン/エタノール(70/30)と0.3%TFAとの混合物を流量120ml/分のいずれかを用いて、分取クロマトグラフィーにより処理した。
アルゴン充填マイクロ波反応フラスコに、2−アミノ−7−クロロ−1−エチル−3−[1−(2−トリメチルシラニル−エトキシメチル)−1H−イミダゾール−2−イル]−1H−[1,8]−ナフチリジン−4−オン500mg(1.2mmol)、(3R)−1−メトキシ−2−メチル−ブタ−3−イン−2−オール204mg(1.8mmol)、ビス(トリフェニルホスフィン)パラジウム(II)二塩化物84mg(0.120mmol)、ヨウ化銅(I)30mg(0.16mmol)、DMF(脱気済み)2ml、トリエチルアミン(脱気済み)2mlを入れ、反応混合物が120℃で24時間維持されるようにマイクロ波照射した。溶媒を蒸発させ、固形物をDMF3ml中に再懸濁し、濾過した。次いで、濾液をHPLCによって精製し、標題化合物のTFA塩を430mg(0.702mmol)得た。
収率=59%。
MH+=498.2(C25H35N5O4Si、Mr=497.67)。
1H NMR(DMSO−d6,500MHz):δ8.39(d,1H);7.95(s,1H);7.88(s,1H);7.60(s,2H);7.48(d,1H);5.25(s,2H);4.50(広幅シグナル,2H);3.52〜3.40(広幅シグナル,水のピーク+4H);1.48(s,3H);1.25(t,3H);−0.12(3s,9H)。
SEM保護ナフチリジノン1.8、240mg(0.4mmol)を、TFA1.2mlおよびDCM1.2mlに0℃で溶解させた。溶液を、分析用HPLCによりナフチリジノンの完全な脱保護が示されるまで3〜5℃で一晩維持した。溶液を、過剰なNaHCO3水溶液を添加することによって中和した。次いで混合物を酢酸エチルで3回抽出した。合わせた有機相をMgSO4上で乾燥させ、溶媒を減圧下で蒸発させた。そのように得た原料を、シリカゲル(DCM:MeOH=4:1)で精製し、保護されていない標題化合物143mg(定量的収率)を得た。
MH+=368.2(C19H21N5O3、Mr=367.41)
1H NMR(DMSO−d6,500MHz):δ13.15(s,1H);11.55(b s,1H);8.59(d,1H);8.10(b s,1H);7.47(d,1H);7.25(s,1H);7.02(s,1H);5.85(s,1H);4.
58(広幅シグナル,2H);3.51〜3.370(広幅シグナル,水のピーク+4H);1.48(s,3H);1.25(t,3H)
Rt(分析用HPLC):4.806分
2−アミノ−7−((3R)3,4−ジヒドロキシ−3−メチル−ブタ−1−イニル)−1−エチル−3−(1H−イミダゾール−2−イル)−1,8−ナフチリジン−4(1H)−オン
工程1:2−アミノ−1−エチル−7−(3,4−ジヒドロキシ−3−メチル−ブタ−1−イニル)−1−エチル−3−[1−(2−トリメチルシラニル−エトキシメチル)−1H−イミダゾール−2−イル]−1,8−ナフチリジン−4(1H)−オン
実施例1の工程8による手順に従って、実施例1の工程6に記載した中間体(2−アミノ−7−クロロ−1−エチル−3−[1−(2−トリメチルシラニル−エトキシメチル)−1H−イミダゾール−2−イル−1,8−ナフチリジン−4(1H)−オン)および実施例1の工程7に記載した中間体((±)−2−メチル−ブタ−3−イン−1,2−ジオール)を使用して、標題化合物を得た。
MH+=354.16(C18H19N5O3、Mr=353.38)
Rt(分析用HPLC):4.48分
工程1で得られたラセミ化合物に、Berger分取SFC、UV検出230nm、固定相Chiralpak IC20×250nm 5μm、移動相65%/35%CO2/(MeOH+0.5%イソプロピルアミン)、50ml/分、100バールの方法を使用して分取Chiral SFC精製を行い、R鏡像体とS鏡像体に分離した。
R鏡像体(Rt=6.9分、鏡像体純度=97.9%)
実施例1の工程9による手順に従って、実施例2の化合物を黄色粉末として単離した。MH+=354.16(C18H19N5O3、Mr=353.38)
Rt=0.77分
1H NMR(DMSO−d6,400MHz):δ13.15(s,1H);11.55(bs,1H);8.55(d,1H,J=6.4Hz);8.10(bs,1H);7.47(d,1H,J=6.4Hz);7.15(s,1H);7.02(s,1H);5.6(s,1H);5.1(t,1H,J=6.4Hz)4.53(bd,2H);3.49(dd,1H,J=6.4;10.4Hz);3.41(dd,1H,J=6.4;10.4Hz)1.48(s,3H);1.27(t,3H,J=7.2Hz)。
R鏡像体(Rt=8.37分、鏡像体純度=99.2%)
カラム:Merk Chromolith performance RP18e、100×4.6mm、3.5μm
溶媒A:H2O/TFA(99.9/0.1)
溶媒B:ACN/TFA(99.9/0.1)
流量:2ml/分
勾配(A/B):98/2(0分)から0/100(8分)から98/2(10分)
検出:254.16nM
1H NMRスペクトルは、NMR分光計Bruker250、300、400、または600MHzを、DMSO−d6で使用して、DMSO−d5のピークを内部標準に用いて得た。
融点はコフラーベンチで測定した。
I.実施例1の化合物のインビトロ評価
‘145出願は、実施例1および2の化合物が、組換えVEGFR−3TK活性とHEK細胞の自己リン酸化とをそれぞれ約25nMおよび47nMのIC50で阻害することを開示している。同じ分析法において、実施例1の化合物は、VEGFR−2(90nM〜140nM)およびVEGFR−1(>1μM)に対するより低い活性を示した。初代リンパ細胞を用いた場合、VEGFCおよびVEGFD誘発増殖が約10〜15nMのIC50で阻害されることから、本発明者らは、VEGFR−3に対する活性が高いことを確認した。さらに本発明者らは、実施例1の化合物が、他の全ての試験したキナーゼ(85種のキナーゼ)ならびに107種の受容体、酵素およびイオンチャネルと比較して、VEGFR−3に対する選択性が高いことを実証した。
HepG2細胞株の同所性異種移植モデルにおける実施例1の化合物のインビボ抗腫瘍効果を評価した。HepG2細胞をSCIDマウス(ATCCから入手)の肝臓に注入し、細胞注入後14日目に、マウスを2つの群:ビヒクルで処置する対照群および実施例1の化合物による処置群に無作為に分けた。処置は、メチルセルロース、トゥイーンをビヒクルとして100mg/kgで1日1回実施した。
DEN(N−ジエチルニトロソアミン(N−diethynitrosamine))誘発マウスモデルをヒトHCCについての代表的モデルとして検証した(Wuら、J.Cancer Res.Clin.Oncol.(2009)135.969〜981頁;Chuangら、Carcinogenesis(2000)21;331〜335頁)。
Claims (10)
- 肝細胞癌の処置のための薬物の調製のための、式(I):
の化合物またはその薬学的に許容される塩の使用。 - Rはメトキシ基である、請求項1に記載の使用。
- Rはヒドロキシル基である、請求項1に記載の使用。
- 化合物が、2−アミノ−1−エチル−7−((3R)−3−ヒドロキシ−4−メトキシ−3−メチル−ブタ−1−イニル)−3−(1H−イミダゾール−2−イル)−1H−[1,8]−ナフチリジン−4−オンである、請求項1または2に記載の使用。
- 2−アミノ−7−((3R)3,4−ジヒドロキシ−3−メチル−ブタ−1−イニル)−1−エチル−3−(1H−イミダゾール−2−イル)−1,8−ナフチリジン−4(1H)−オンである、請求項1または3に記載の使用のための化合物。
- 肝細胞癌の処置に使用するための、式(I):
の化合物またはその薬学的に許容される塩。 - Rはメトキシ基である、請求項6に記載の使用のための化合物。
- Rはヒドロキシル基である、請求項6に記載の使用のための化合物。
- 2−アミノ−1−エチル−7−((3R)−3−ヒドロキシ−4−メトキシ−3−メチル−ブタ−1−イニル)−3−(1H−イミダゾール−2−イル)−1H−[1,8]−ナフチリジン−4−オンである、請求項6または7に記載の使用のための化合物。
- 2−アミノ−7−((3R)3,4−ジヒドロキシ−3−メチル−ブタ−1−イニル)−1−エチル−3−(1H−イミダゾール−2−イル)−1,8−ナフチリジン−4(1H)−オンである、請求項6または8に記載の使用のための化合物。
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EP2524915A1 (en) * | 2011-05-20 | 2012-11-21 | Sanofi | 2-Amino-3-(imidazol-2-yl)-pyridin-4-one derivatives and their use as VEGF receptor kinase inhibitors |
AU2013302320A1 (en) | 2012-08-17 | 2015-02-26 | Cancer Therapeutics Crc Pty Limited | VEGFR3 inhibitors |
AU2013302319A1 (en) | 2012-08-17 | 2015-02-26 | Cancer Therapeutics Crc Pty Limited | VEGFR3 inhibitors |
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WO1998039322A1 (fr) * | 1997-03-05 | 1998-09-11 | Sanofi-Synthelabo | Procede de preparation de derives de 2-thienylethylamine |
CN1473827A (zh) * | 2003-08-11 | 2004-02-11 | 中国药科大学 | 3-位取代的喹诺酮衍生物及其在药学上的应用 |
WO2005046589A2 (en) * | 2003-11-07 | 2005-05-26 | Chiron Corporation | Pharmaceutically acceptable salts of quinolinone compounds having improved pharmaceutical properties |
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2017
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WO1998039322A1 (fr) * | 1997-03-05 | 1998-09-11 | Sanofi-Synthelabo | Procede de preparation de derives de 2-thienylethylamine |
CN1473827A (zh) * | 2003-08-11 | 2004-02-11 | 中国药科大学 | 3-位取代的喹诺酮衍生物及其在药学上的应用 |
WO2005046589A2 (en) * | 2003-11-07 | 2005-05-26 | Chiron Corporation | Pharmaceutically acceptable salts of quinolinone compounds having improved pharmaceutical properties |
CN1733764A (zh) * | 2005-08-18 | 2006-02-15 | 中国药科大学 | 3-位取代的萘啶酮类化合物及其制备方法和在制药中的应用 |
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WO2009007535A2 (fr) * | 2007-06-13 | 2009-01-15 | Sanofi-Aventis | Derives de 7 -alkynyl-1.8-naphthyrid0nes, leur preparation et leur application en therapeutique |
WO2009053799A1 (en) * | 2007-10-24 | 2009-04-30 | Glenmark Pharmaceuticals, S.A. | Novel cannabinoid receptor ligands, pharmaceutical compositions containing them, and process for their preparation |
WO2010004197A2 (fr) * | 2008-07-08 | 2010-01-14 | Sanofi-Aventis | Derives de pyridino-pyridinones, leur preparation et leur application en therapeutique |
WO2010073078A2 (en) * | 2008-12-22 | 2010-07-01 | Orchid Research Laboratories Ltd. | Heterocyclic compounds as hdac inhibitors |
WO2011061458A1 (fr) * | 2009-11-23 | 2011-05-26 | Sanofi-Aventis | Dérivés de pyridino-pyridinones, leur préparation et leur application en thérapeutique |
JP5937201B2 (ja) * | 2011-05-20 | 2016-06-22 | サノフイ | 2−アミノ−3−(イミダゾール−2−イル)ピリジン−4−オン誘導体及びvegf受容体キナーゼ阻害剤としてのその使用 |
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