JP2014505091A - 6−シクロブチル−1,5−ジヒドロ−ピラゾロ[3,4−d]ピリミジン−4−オン誘導体及びpde9a阻害剤としてのその使用 - Google Patents
6−シクロブチル−1,5−ジヒドロ−ピラゾロ[3,4−d]ピリミジン−4−オン誘導体及びpde9a阻害剤としてのその使用 Download PDFInfo
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
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- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
- A61K31/519—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
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- A61P15/08—Drugs for genital or sexual disorders; Contraceptives for gonadal disorders or for enhancing fertility, e.g. inducers of ovulation or of spermatogenesis
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- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
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Abstract
Description
(式中、R1は、ピリジル又はピリミジニル基であり、Dは、場合により置換されているシクロペンチル、シクロヘキシル、テトラヒドロフラニル、テトラヒドロピラニル、又は2−、3−又は4−ピリジルである)で示される新規ピラゾロピリミジノンに関する。
ホスホジエステラーゼ9A(PDE9A)の阻害は、アルツハイマー病、統合失調症、及び他の疾患の様なCNS障害に起因する認知障害、又は脳の任意の他の神経変性過程に起因する認知障害の処置への新たな到達経路を見出すための現在の概念の1つである。本発明を用いて、この概念に従った新たな化合物が提示される。
ピラゾロピリミジノンの置換パターンの変化は、生物学的活性に関連する興味深い変化、それぞれ、異なる標的酵素に対する親和性の変化を生じる。
本明細書において具体的に定義されない用語は、開示及び文脈に照らして、当業者によりそれらに与えられるであろう意味を与えられるべきである。例として、1又は2文字コードで表される特定の置換基又は原子、例えば、水素についてH、窒素についてN、炭素についてC、酸素についてO、硫黄についてSなどを含む。本明細書において用いられるとおり、特に特定されない限り、以下の用語は示される意味を有し、以下の約束事が指示される。
− 国際公開公報第2004/099210号(特に、9頁、最終段落〜14頁、8行(引用により取り込まれる))において見ることができ、
− テトラヒドロピラニルであるDを有する化合物の一般的製造に関して、さらなる情報を、国際公開公報第2009/121919号、特に、120〜125頁及びその実施例部分(引用により本明細書に取り込まれる)において見ることができ、
− 4,4−ジフルオロシクロヘキシルであるDに関して、さらなる情報を、国際公開公報第2010/026214号、具体的には、59〜63頁及びその実施例部分(引用により本明細書に取り込まれる)において見ることができ、
− そして、本明細書の実施例部分(例示的実施態様)においても見ることができる。特に、2つの構成要素:
の製造に関する文書。
本発明は、疾患の処置に有効であると考えられる化合物に言及する。本発明による化合物は、ホスホジエステラーゼ9Aの有効かつ選択的阻害剤であり、医薬の開発のために用いることができる。かかる医薬は、好ましくは、疾患の処置のため用いられ、ここで、PDE9Aの阻害は、治療効果、予防効果、又は疾患修飾効果を提供することができる。好ましくは、そのような医薬は、特に、状況/疾患/症状、例えば:軽度認識障害、加齢に伴った学習及び記憶機能障害、加齢に伴った記憶喪失、血管性認知症、頭蓋脳損傷、脳卒中、脳卒中後に生じる認知症(脳卒中後認知症)、外傷後認知症、一般的な集中機能障害、学習及び記憶の問題を有する子供における集中機能障害、アルツハイマー病、レビー小体型認知症、ピック症候群を含む前頭葉の変性を伴う認知症、パーキンソン病、進行性核麻痺、大脳皮質基底核変性症を伴う認知症、筋萎縮性側索硬化症(ALS)、ハンチントン病、多発性硬化症、視床変性、クロイツフェルト・ヤコブ病認知症、HIV認知症、てんかん、側頭葉てんかん、統合失調症、統合失調症(認知症を伴う)、コルサコフ精神病,又はうつ病又は双極性障害を伴う認知障害において生じるものの様な、知覚、集中、認知、学習又は記憶を改善するために使われるであろう。
本発明の対象でもある投与用医薬は、
− 治療上有効量の有効成分としての本発明による化合物、及び
− 医薬担体
を含む。
別の態様において、本発明は、本発明による化合物が、別の活性化合物と一緒に投与される併用療法に関する。従って、本発明はまた、薬学的に活性な成分(そのうちの1つが本発明の化合物である)のかかる組み合わせを提供する医薬製剤にも関する。かかる組み合わせは、固定用量の組み合わせ(併用されるべきである薬学的に活性な成分が、同一の医薬製剤の対象である)、又はフリー用量の組み合わせ(薬学的に活性な成分が、別々の医薬製剤中に存在する)であってもよい。
医薬組成物
実施例は、制限する意図はなく、可能性のある医薬製剤を説明する:
活性物質100mgを含有する錠剤
組成物:錠剤
活性物質 100.0mg
ラクトース 80.0mg
コーンスターチ 34.0mg
ポリビニルピロリドン 4.0mg
ステアリン酸マグネシウム 2.0mg
220.0mg
活性物質150mgを含有する錠剤
組成物:錠剤
活性物質 150.0mg
粉末状ラクトース 89.0mg
コーンスターチ 40.0mg
コロイドシリカ 10.0mg
ポリビニルピロリドン 10.0mg
ステアリン酸マグネシウム 1.0mg
300.0mg
活性物質150mgを含有する硬ゼラチンカプセル剤
活性物質 150.0mg
ラクトース 87.0mg
コーンスターチ(乾燥) 80.0mg
ステアリン酸マグネシウム 3.0mg
320.0mg
組成物:座剤
活性物質 150.0mg
ポリエチレングリコール1500 550.0mg
ポリエチレングリコール6000 460.0mg
モノステアリン酸ポリオキシエチレンソルビタン 840.0mg
2000.0mg
組成物:活性物質10mgを含有するアンプル剤
活性物質 10.0mg
0.01N 塩酸 適量
再蒸留水 全量2.0mL
組成物:活性物質50mgを含有するアンプル剤
活性物質 50.0mg
0.01N 塩酸 適量
再蒸留水 全量10.0mL
本発明の化合物のインビトロ効果は、以下の生物学的アッセイを用いて示すことができる。
PDE9A2酵素活性アッセイを、シンチレーション近接アッセイ(SPA)として、一般に、製造元(GE Healthcare,以前のAmersham Biosciences,製品番号:TRKQ7100)のプロトコールに従い、実施した。
・ 総アッセイボリューム: 40マイクロタイター
・ タンパク質量: 0.1〜50ng
・ 物質濃度(cGMP): 20ナノモーラー;〜1mCi/l
・ インキュベーション時間: 室温で60分間
・ 最終DMSO濃度: 0.2〜1%
PDE9A2アッセイと同様の方法(相違点:PDE9A2の代わりに、PDE1Cを用い、アッセイバッファーはさらに50nM カルモジュリン、3mM CaCl2を含有していた)で、アッセイを行った。上で概説されるものと同一の阻害剤(1−(2−クロロフェニル)−6−[(2R)−3,3,3−トリフルオロ−2−メチル−プロピル]−1,5−ジヒドロ−4H−ピラゾロ[3,4−d]ピリミジン−4−オン)を適用することにより、反応を停止させた。
IC50を、GraphPadPrism又は他の適当なソフトウエアを用いて、ポジティブコントロールを100に、ネガティブコントロールを0に設定して、計算することができる。IC50を計算するため、試験すべき試験化合物(物質)の希釈物を、上述のプロトコールに従い試験した。
以下のPDE9A2阻害についてのIC50値[ナノモーラー(nM)]において、本発明による化合物がPDE9、特に、PDE9A2を阻害することを説明する。このことは、化合物が有用な薬理学的特性を提供することを証明する。実施例は、制限することを意図してはいない。
本発明の化合物のポジティブなインビトロ有効性結果は、ポジティブなインビボ有効性に置き換えると考えられている。
以下で、本発明の対象であり、さらなる説明のためである化合物及びその製造のいくつかを提示する。化合物23〜24は、本発明の対象である。
Burgess試薬 (メトキシカルボニルスルファモイル)−トリエチルアンモニウム−N−ベタイン
ローソン試薬 2,4−ビス−(4−メトキシ−フェニル)−[1,3,2,4]ジチアジホスフェタン2,4−ジスルフィド
APCI 大気圧化学イオン化
ACN アセトニトリル
CDI 1,1’−カルボニルジイミダゾール
DEA ジエチルアミン
DIPEA ジイソプロピルエチルアミン
DME 1,2−ジメトキシエタン
DMF ジメチルホルムアミド
ESI エレクトロスプレーイオン化(MSにおける)
EtOH エタノール
Exp. 実施例
h 時間(複数を含む)
HATU O−(7−アザベンゾトリアゾール−1−イル)−N,N,N′,N′−テトラメチルウロニウムヘキサフルオロフォスファート
HPLC 高速液体クロマトグラフィー
HPLC−MS 結合型高速液体クロマトグラフィー−質量分析
M モラー(mol/L)
MeOH メタノール
min 分
MS 質量分析
NMP 1−メチル−2−ピロリジノン
Rt 保持時間(HPLCにおける)
SFC 超臨界流体クロマトグラフィー
TBTU O−(ベンゾトリアゾール−1−イル)−N,N,N′,N′−テトラメチルウロニウムテトラフルオロボラート
TFA トリフルオロ酢酸
THF テトラヒドロフラン
TLC 薄層クロマトグラフィー
方法1
MS装置タイプ:Waters Micromass ZQ;HPLC装置タイプ:Waters Alliance2695,Waters2996ダイオードアレイ検出器;カラム:Varian Microsorb100 C18,30×4.6mm,3.0μm;溶出液A:水+0.13% TFA,溶出液B:ACN;勾配:0.0分5%B→0.18分5%B→2.0分98%B→2.2分98%B→2.3分5%B→2.5分5%B;流速:3.5mL/分;UV検出:210〜380nm.
MS装置タイプ:Waters Micromass ZQ;HPLC装置タイプ:Waters Alliance2695,Waters2996ダイオードアレイ検出器;カラム:Varian Microsorb100 C18,30×4.6mm,3.0μm;溶出液A:水+0.13%TFA,溶出液B:MeOH;勾配:0.0分5%B→0.35分5%B→3.95分100%B→4.45分100%B→4.55分5%B→4.9分5%B;流速:2.4mL/分;UV検出:210〜380nm.
MS装置タイプ:Waters Micromass ZQ;HPLC装置タイプ:Waters Alliance2695,Waters2996ダイオードアレイ検出器;カラム:Varian Microsorb C18,20×4.6mm,5.0μm;溶出液A:水+0.15%TFA,溶出液B:MeOH;勾配:0.0分5%B→0.25分5%B→1.90分100%B→2,05分100%B→2.15分5%B→2.25分5%B;流速:5.2mL/分;UV検出:210〜400nm.
機器:LC/MS ThermoFinnigan.Hplc Surveyor DAD,MSQ Quadrupole;カラム:Synergi Hydro−RP80A,4μm,4.60×100mm;溶出液A:90%水+10%アセトニトリル+ギ酸アンモニウム 10mM;溶出液B=ACN90%+10% H2O+NH4COOH 10mM;勾配:A(100)1.5分間、次にB(100)10分内に1.5分間;流速:1.2mL/分;UV検出:254nm;イオン供給源:APCI.
方法4
SFC装置タイプ:Berger「Analytix」;カラム:Daicel IC,250mm×4.6mm,5.0μm;溶出:CO2/25%MeOH/0.2%DEA(均一);流速:4.0mL/分,10分;温度:40℃;UV検出:210/220/254nm.
SFC装置タイプ:Berger「Analytix」;カラム:Daicel ADH,250mm×4.6mm,5.0μm;溶出:CO2/25%MeOH/0.2%DEA(均一);流速:4.0mL/分,10分;温度:40℃;UV検出:210/220/254nm.
方法6:
HPLC装置タイプ:Agilent 1100;カラム:Daicel chiralcel OJ−H,250mm×4.6mm,5.0μm,;溶出:ヘキサン/EtOH80:20;流速:1mL/分,温度:25℃;UV検出:可変(200〜500mnm).
HPLC装置タイプ:Agilent 1100;カラム:Daicel chiralcel OJ−H,250mm×4.6mm,5.0μm,;溶出:ヘキサン/EtOH 85:15;流速:1mL/分,温度:25℃;UV検出:可変(200〜500nm).
HPLC装置タイプ:Agilent 1100;カラム:Chiralpak AD−H,250mm×4.6mm,5.0μm,;溶出:ヘキサン/イソプロパノール80:20;流速:1mL/分,温度:25℃;UV検出:可変(200〜500nm).
・ 10及び35mLの管を備えたDiscover(登録商標)CEM機器;
・ Biotage Initiator Sixty。
立体中心(複数を含む)を有する化合物:以下の実施例のセクションにおいて示す構造は、必ずしも、化合物の全ての立体化学的可能性を示すわけではなく、たった1つのみを示すものである。しかしながら、かかる場合、「trans−ラセミ混合物」又は「cis−ラセミ混合物」の様な用語は、他の立体化学のオプションを示すために、示した構造の次に加えてある。
HPLC−MS(方法1):Rt=1.34分
MS(ESIpos):m/z=201(M+H)+
MS(ESIpos):m/z=88(M+H)+
HPLC−MS(方法1):Rt=1.24分
MS(ESIpos):m/z=353(M+H)+
HPLC−MS(方法1):Rt=1.03分
MS(ESIpos):m/z=409(M+H)+
HPLC−MS(方法1):Rt=1.40分
MS(ESIpos):m/z=385/387(Cl)
HPLC−MS(方法3):Rt=1.03分
MS(ESIpos):m/z=388(M+H)+
HPLC−MS(方法3):Rt=1.01分
MS(ESIpos):m/z=360(M+H)+
HPLC−MS(方法1):Rt=1.23分
MS(ESIpos):m/z=422(M+H)+
HPLC−MS(方法1):Rt=1.18分
MS(ESIpos):m/z=408(M+H)+
HPLC−MS(方法1):Rt=0.85分
MS(ESIpos):m/z=395(M+H)+
HPLC−MS(方法3):Rt=1.19分
MS(ESIpos):m/z=334(M+H)+
HPLC−MS(方法1Eh):Rt=6.21分
MS(APCI):m/z=300(M+H)+
HPLC−MS(方法1Eh):Rt=5.92分
MS(APCIpos):m/z=307(M+H)+
HPLC−MS(方法3):Rt=1.04分
MS(ESIpos):m/z=351(M+H)+
HPLC−MS(方法1Eh):Rt=5.38分
MS(APCIpos):m/z=317(M+H)+
HPLC−MS(方法1Eh):Rt=5.15分
MS(APCIpos):m/z=324(M+H)+
HPLC−MS(方法1Eh):Rt=0.87分
MS(APCIpos):m/z=192(M+H)+
HPLC−MS(方法1):Rt=1.40分
MS(ESIpos):m/z=390(M+H)+
HPLC−MS(方法1):Rt=1.11分
MS(ESIpos):m/z=370(M+H)+
HPLC−MS(方法1):Rt=1.37分
MS(ESIpos):m/z=406(M+H)+
HPLC−MS(方法3):Rt=1.36分
MS(ESIpos):m/z=387(M+H)+
HPLC装置タイプ:Berger Minigram;カラム:Daicel IC,5.0μm,250mm×10mm;方法:溶出液CO2/30% MeOH/0.2% DEA(均一);流速:10mL/分,温度:40℃;圧力:100bar;UV検出:210nm
HPLC−MS(方法3):Rt=1.37分
MS(ESIpos):m/z=407(M+H)+
HPLC装置タイプ:Berger Minigram;カラム:Daicel ADH,5.0μm,250mm×10mm;方法:溶出液CO2/30% MeOH/0.2% DEA(均一);流速:10mL/分,温度:40℃;圧力:100bar;UV検出:210nm
空間群 P21
単位細胞ディメンション 8.560(2)6.844(1)15.603(3)90.00 98.82(3)90.00
分解範囲 15.42〜0.85(0.88〜0.85)
反射の総数 10857
固有反射の総数 1588
平均冗長性 6.84 (2.46)
%完全性 95.7 (79.1)
Rマージ 0.064 (0.118)
アウトプット<I/sigI> 27.7 (7.9)
()内の値は、最終分解シェルについてである。
精密化統計:
P21における実施例19についての最終構造因子計算
l.s.パラメーターの総数=255
GooF=S=1.154
重量=1/[sigma^2(Fo^2)+(0.0421*P)^2+0.38*P](ここで、P=(Max(Fo^2,0)+2*Fc^2)/3)
R1=2207について0.0695 Fo>4sig(Fo)及び全2334データについて0.0829,wR2=0.1646,
Flack xパラメーター=0.09(3).
HPLC−MS:(方法1):Rt=0.94分
MS(ESIpos):m/z=393(M+H)+
HPLC−MS(方法1):Rt=1.19分
MS(ESIpos):m/z=377(M+H)+
HPLC−MS:(方法3):Rt=1.46分
MS(ESIpos):m/z=426/428(Cl)(M+H)+
HPLC−MS(方法1Eh):Rt=6.57分
MS(APCIpos):m/z=353(M+H)+
半分取条件:
HPLC半分取システム:Waters 600ポンプ;カラム:Daicel chiralcel OJ−H,250mm×20mm,5.0μm;溶出:ヘキサン/EtOH80:20;流速:15mL/分,温度:25℃;UV検出:254nm
HPLC装置タイプ:Agilent 1100;方法6;カラム:Daicel chiralcel OJ−H,250mm×4.6mm,5.0μm;溶出:ヘキサン/EtOH80:20;流速:1mL/分,温度:25℃;UV検出:254nm
HPLC−MS(方法1Eh):Rt=6.72分
MS(APCIpos):m/z=370(M+H)+
半分取条件:
HPLC半分取システム:Waters 600ポンプ;カラム:Daicel chiralcel OJ−H,250mm×20mm,5.0μm;溶出:ヘキサン/EtOH80:20;流速:15mL/分,温度:25℃;UV検出:230nm
HPLC装置タイプ:Agilent 1100;方法6;カラム:Daicel chiralcel OJ−H,250mm×4.6mm,5.0μm;溶出:ヘキサン/EtOH80:20;流速:1mL/分,温度:25℃;UV検出:254nm
HPLC−MS(方法1Eh):Rt=8.01分
MS(APCIpos):m/z=352(M+H)+
半分取条件:
HPLC半分取システム:Waters 600ポンプ;カラム:Daicel chiralcel OJ−H,250mm×20mm,5.0μm;溶出:ヘキサン/EtOH85:15;流速:15mL/分,温度:25℃;UV検出:254nm
HPLC 装置タイプ:Agilent 1100;方法6.1;カラム:Daicel chiralcel OJ−H,250nm×4.6nm,5.0μm;溶出:ヘキサン/EtOH85:15;流速:1mL/分,温度:25℃;UV検出:254nm
HPLC−MS(方法1Eh):Rt=9.63分
MS(APCIpos):m/z=386(M+H)+
半分取条件:
HPLC半分取システム:Waters 600ポンプ;カラム:Daicel chiralpak AD−H,250mm×20mm,5.0μm;溶出:ヘキサン/イソプロパノール 80:20;流速:10mL/分,温度:25℃;UV検出:260nm
HPLC装置タイプ:Agilent 1100;方法7;カラム:Daicel chiralcel AD−H,250mm×4.6mm,5.0μm;溶出:ヘキサン/イソプロパノール80:20;流速:1mL/分,温度:25℃;UV検出:260nm.
Claims (14)
- 医薬として使用するための、或いは医薬における、好ましくは、治療又は予防方法、好ましくは、治療方法において用いるための、医薬における薬学的に活性な成分として使用するための、請求項1〜5のいずれか1項記載の化合物。
- (a)CNS疾患、より好ましくは、PDE9の阻害により到達可能なCNS疾患の処置のための、
(b)PDE9の阻害により到達可能である疾患の処置のための、
(c)知覚、集中、認知、学習又は記憶の群から選択される疾患又は状態に関連する認知障害からなる群から選択される状態の処置、又は改善、又は予防、好ましくは、処置のための、ここで、好ましくは、認知障害の処置、改善又は予防が、加齢に伴った学習及び記憶機能障害、加齢に伴った記憶喪失、血管性認知症、頭蓋脳損傷、脳卒中、脳卒中の後に生じる認知症(脳卒中後認知症)、外傷後認知症、一般的な集中機能障害、学習及び記憶の問題を有する子供における集中機能障害、アルツハイマー病、レビー小体型認知症、ピック症候群を含む前頭葉の変性を伴う認知症、パーキンソン病、進行性核麻痺、大脳皮質基底核変性症を伴う認知症、筋萎縮性側索硬化症(ALS)、ハンチントン病、多発性硬化症、視床変性、クロイツフェルト・ヤコブ病認知症、HIV認知症、てんかん、側頭葉てんかん、統合失調症、統合失調症(認知症を伴う)、コルサコフ精神病、又はうつ病又は双極性障害に関連する認知障害に関連し、
(d)アルツハイマー病又はアルツハイマー病を伴う認知障害の処置のための、
(e)統合失調症又は統合失調症を伴う認知障害の処置のための、
(f)てんかん又はてんかんを伴う認知障害の処置のための、
(g)睡眠障害、双極性障害、メタボリックシンドローム、肥満、糖尿病、高血糖、異常脂質血症、低下した耐糖能、又は睾丸、脳、小腸、骨格筋、心臓、肺、胸腺又は脾臓の疾患からなる群から選択される疾患又は状態の処置のための、
治療又は予防、好ましくは、治療方法において用いるための、請求項1〜5のいずれか1項記載の化合物。 - 認知障害、好ましくは、知覚、集中、学習又は記憶に関連する認知障害の処置又は予防のための方法において用いるための、請求項1〜5のいずれか1項記載の化合物。
- 別の基礎にある疾患の症状としての認知障害、好ましくは、知覚、集中、学習又は記憶に関連する認知障害の処置又は予防のための方法において用いるための、請求項1〜5のいずれか1項記載の化合物。
- 知覚、集中、学習又は記憶に関連する認知技能の改善のための方法において用いるための、請求項1〜5のいずれか1項記載の化合物。
- 請求項1〜5のいずれか1項記載の化合物、及び医薬担体を含む、医薬組成物。
- 処置を必要とする患者における請求項7〜10のいずれかに定義される疾患又は状態の処置方法であって、患者に治療上有効量の請求項1〜10のいずれか1項又は複数項に記載の化合物を投与することを含む、方法。
- 請求項7〜10のいずれかに定義される疾患又は状態の処置用の医薬の製造のための、請求項1〜5のいずれか1項記載の化合物の使用。
- 請求項1〜5のいずれか1項記載の化合物と別の活性薬剤との組み合わせであって、
− 該組合わせが、好ましくは、請求項7〜10のいずれかに定義される疾患又は状態の処置に有用であるか、又は
− 該組合わせが、請求項7〜10のいずれかに定義される状態又は疾患の処置のための、治療又は予防方法、好ましくは、治療方法において用いるためのものであるか、又は
− 該組合わせが、好ましくは、請求項7〜10のいずれかに定義される状態又は疾患の処置用医薬の製造のためのものである、組み合わせ。
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EPPCT/EP2011/063705 | 2011-08-09 | ||
PCT/EP2012/052378 WO2012110440A1 (en) | 2011-02-14 | 2012-02-13 | 6 - cyclobutyl - 1, 5 - dihydro - pyrazolo [3, 4-d] pyrimidin- 4 - one derivatives their use as pde9a inhibitors |
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Also Published As
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SG192756A1 (en) | 2013-09-30 |
US20130040971A1 (en) | 2013-02-14 |
KR20140010036A (ko) | 2014-01-23 |
AR085219A1 (es) | 2013-09-18 |
WO2012110440A1 (en) | 2012-08-23 |
ECSP13012852A (es) | 2014-09-30 |
EA023574B1 (ru) | 2016-06-30 |
AP2013007045A0 (en) | 2013-08-31 |
PE20140970A1 (es) | 2014-08-03 |
EP2675807A1 (en) | 2013-12-25 |
CN103459397A (zh) | 2013-12-18 |
BR112013020605A2 (pt) | 2016-10-18 |
EA201300908A1 (ru) | 2014-01-30 |
MA34889B1 (fr) | 2014-02-01 |
IL227526A0 (en) | 2013-09-30 |
CA2827261A1 (en) | 2012-08-23 |
TW201245199A (en) | 2012-11-16 |
MX2013009343A (es) | 2013-10-01 |
AU2012217208A1 (en) | 2013-08-01 |
CL2013002341A1 (es) | 2014-04-04 |
WO2012110440A9 (en) | 2013-03-14 |
EP2675807B1 (en) | 2015-04-22 |
TN2013000324A1 (en) | 2015-01-20 |
CO6791616A2 (es) | 2013-11-14 |
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