JP2006514623A - アルツハイマー病の治療用フェニルカルボキサミドベータセクレターゼ阻害剤 - Google Patents
アルツハイマー病の治療用フェニルカルボキサミドベータセクレターゼ阻害剤 Download PDFInfo
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- JP2006514623A JP2006514623A JP2004551780A JP2004551780A JP2006514623A JP 2006514623 A JP2006514623 A JP 2006514623A JP 2004551780 A JP2004551780 A JP 2004551780A JP 2004551780 A JP2004551780 A JP 2004551780A JP 2006514623 A JP2006514623 A JP 2006514623A
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Classifications
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- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/04—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D207/08—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon radicals, substituted by hetero atoms, attached to ring carbon atoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/45—Carboxylic acid nitriles having cyano groups bound to carbon atoms of rings other than six-membered aromatic rings
- C07C255/46—Carboxylic acid nitriles having cyano groups bound to carbon atoms of rings other than six-membered aromatic rings to carbon atoms of non-condensed rings
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/49—Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C311/00—Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
- C07C311/01—Sulfonamides having sulfur atoms of sulfonamide groups bound to acyclic carbon atoms
- C07C311/02—Sulfonamides having sulfur atoms of sulfonamide groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
- C07C311/08—Sulfonamides having sulfur atoms of sulfonamide groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton having the nitrogen atom of at least one of the sulfonamide groups bound to a carbon atom of a six-membered aromatic ring
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/08—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms
- C07D211/18—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D211/20—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by singly bound oxygen or sulphur atoms
- C07D211/22—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by singly bound oxygen or sulphur atoms by oxygen atoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/08—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms
- C07D211/18—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D211/30—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by doubly bound oxygen or sulfur atoms or by two oxygen or sulfur atoms singly bound to the same carbon atom
- C07D211/32—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by doubly bound oxygen or sulfur atoms or by two oxygen or sulfur atoms singly bound to the same carbon atom by oxygen atoms
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Abstract
Description
R2は
(1)R4−S(O)m−NR5−、
(2)R4−S(O)m−、
(3)R4NHCO−、
(4)R4CONH−、
(5)R4R5N−、
(6)ニトリル、
(7)NC−C1−6アルキル−、
(8)ハロゲン、
(9)
R4は
(1)水素、
(2)C1−6アルキル、
(3)フェニル、及び
(4)ベンジルから構成される群から選択され;
R5は
(1)水素、
(2)C1−6アルキル、
(3)フェニル、及び
(4)ベンジルから構成される群から独立して選択され;
R6a、R6b、及びR6cは
(1)水素、
(2)ハロゲン、
(3)−OR5、
(4)−SR5、及び
(5)C1−6アルキルから構成される群から独立して選択され;
R7は−C=C−、O、S、及びNHから構成される群から選択され;
ZはCO、CH−OH、CH−F、及び
R8a及びR8bは
(1)ニトリル、
(2)水素、
(3)ハロゲン、
(4)−OR5、
(5)−SR5、
(6)C1−6アルキル、
(7)−CO2R5、及び
(8)テトラゾリルから構成される群から独立して選択され;
X1は水素であり、X2はヒドロキシルであるか、又はX1とX2は一緒になってオキソを形成し;
nは独立して1、2、3、又は4であり;
mは独立して0、1、又は2である]の化合物及び医薬的に許容可能なその塩に関する。
式中、R4は
(1)水素、
(2)C1−6アルキル、
(3)フェニル、及び
(4)ベンジルから構成される群から選択され;
R5は
(1)C1−6アルキル、
(2)フェニル、
(3)ベンジル、及び
(4)水素から構成される群から選択される式Iの化合物及び医薬的に許容可能なその塩を含む。
本発明はβセクレターゼ酵素活性又はβアミロイド前駆体蛋白質分解酵素(「BACE」)活性の阻害を必要とする哺乳動物等の患者又は対象における前記活性の阻害剤として有効量の本明細書に開示する化合物を投与することを含むこれらの化合物の使用に関する。「βセクレターゼ酵素」「βアミロイド前駆体蛋白質分解酵素」、及び「BACE」なる用語は本明細書では同義に使用する。ヒト以外にも多様な他の哺乳動物を本発明の方法により治療することができる。
本明細書で使用する「組成物」なる用語は所定量又は比率の特定成分を含有する製剤と、特定量の特定成分の併用により直接又は間接的に得られる任意製剤を網羅する。医薬組成物に関してこの用語は1種以上の活性成分と場合により不活性成分を含むキャリヤーを含有する製剤と、成分の任意2種以上の配合、錯化もしくは凝集、あるいは成分の1種以上の解離、又は成分の1種以上の他の型の反応もしくは相互作用により直接又は間接的に得られる任意製剤を含むものとする。一般に、医薬組成物は活性成分を液体キャリヤー又は微粉状固体キャリヤー又は両者と均質混和した後に必要に応じて生成物を所望製剤に成形することにより製造される。医薬組成物には、疾患の過程又は状態に所望効果を与えるために十分な量の目的活性化合物が含有される。従って、本発明の医薬組成物は本発明の化合物と医薬的に許容可能なキャリヤーを混合することにより製造される任意組成物を含む。
βセクレターゼ酵素活性阻害剤としての本発明の化合物の有用性は当分野で公知の方法により立証することができる。酵素阻害は次のように測定する。
BACE1により分解され、TAMRAから蛍光を放出する基質([TAMRA−5−CO−EEISEVNLDAEF−NHQSY]QFRET)と共に均質終点蛍光共鳴エネルギー移動(FRET)アッセイを使用する。基質のKmは基質の溶解限度により測定できない。典型的反応は約30nM酵素、1.25μM基質、及び緩衝液(50mM NaOAc,pH4.5,0.1mg/ml BSA,0.2%CHAPS,15mM EDTA及び1mMデフェロキサミン)で総反応容量100μLを含む。反応は30分間行い、96ウェルプレートLJL Analyst ADで励起波長530nmと発光波長580nmを使用してTAMRAフラグメント遊離を測定する。これらの条件下で、基質の10%未満がBACE1によりプロセシングされる。これらの試験で使用した酵素はバキュロウイルス発現システムで産生された可溶性(膜貫通ドメインと細胞質延長部を除く)ヒト蛋白質とした。化合物の阻害力価を測定するために、阻害剤のDMSO溶液(1mM、100μM、10μM、1μMの4種の阻害剤濃度を調製)を反応混合物に加えた(最終DMSO濃度は0.8%とする)。全実験は上記標準反応条件を使用して室温で実施した。化合物のIC50を測定するために、競合式V0/Vi=1+[I]/[IC50]を使用して化合物の阻害力価を予測した。解離定数の再現誤差は典型的に2倍未満である。
BACE1により分解され、クマリンと結合したN末端フラグメントを遊離する基質(クマリン−CO−REVNFEVEFR)と共に均質終点HPLCアッセイを使用する。基質のKmは100μMを上回り、基質の溶解限度により測定できない。典型的反応は約2nM酵素、1.0μM基質、及び緩衝液(50mM NaOAc,pH4.5,0.1mg/ml BSA,0.2%CHAPS,15mM EDTA及び1mMデフェロキサミン)で総反応容量100μLとする。反応は30分間行い、1M Tris−HCl(pH8.0)25μLを加えて反応を停止する。得られた反応混合物をHPLCにロードし、5分間直線勾配を使用して生成物を基質から分離した。これらの条件下で、基質の10%未満がBACE1によりプロセシングされる。これらの試験で使用した酵素はバキュロウイルス発現システムで産生された可溶性(膜貫通ドメインと細胞質延長部を除く)ヒト蛋白質とした。化合物の阻害力価を測定するために、阻害剤のDMSO溶液(FRETにより予測された力価に応じた濃度範囲で12種の阻害剤濃度を調製)を反応混合物に加えた(最終DMSO濃度は10%とする)。全実験は上記標準反応条件を使用して室温で実施した。化合物のIC50を測定するために、4パラメーター式を曲線フィットに使用する。解離定数の再現誤差は典型的には2倍未満である。
Claims (17)
- 式I:
R2は
(1)R4−S(O)m−NR5−、
(2)R4−S(O)m−、
(3)R4NHCO−、
(4)R4CONH−、
(5)R4R5N−、
(6)ニトリル、
(7)NC−C1−6アルキル−、
(8)ハロゲン、
(9)
(10)
R3は
R4は
(1)水素、
(2)C1−6アルキル、
(3)フェニル、及び
(4)ベンジルから構成される群から選択され;
R5は
(1)水素、
(2)C1−6アルキル、
(3)フェニル、及び
(4)ベンジルから構成される群から独立して選択され;
R6a、R6b、及びR6cは
(1)水素、
(2)ハロゲン、
(3)−OR5、
(4)−SR5、及び
(5)C1−6アルキルから構成される群から独立して選択され;
R7は−C=C−、O、S、及びNHから構成される群から選択され;
ZはCO、CH−OH、CH−F、及び
R8a及びR8bは
(1)ニトリル、
(2)水素、
(3)ハロゲン、
(4)−OR5、
(5)−SR5、
(6)C1−6アルキル、
(7)−CO2R5、及び
(8)テトラゾリルから構成される群から独立して選択され;
X1は水素であり、X2はヒドロキシルであるか、又はX1とX2は一緒になってオキソを形成し;
nは独立して1、2、3、又は4であり;
mは独立して0、1、又は2である]の化合物及び医薬的に許容可能なその塩。 - X1とX2が一緒になってオキソを形成する請求項1に記載の化合物。
- X1が水素であり、X2がヒドロキシルである請求項1に記載の化合物。
- R2がR4−S(O)2−NR5−であり、
式中、R4は
(1)水素、
(2)C1−6アルキル、
(3)フェニル、及び
(4)ベンジルから構成される群から選択され;
R5は
(1)C1−6アルキル、
(2)フェニル、
(3)ベンジル、及び
(4)水素から構成される群から選択される請求項1に記載の化合物及び医薬的に許容可能なその塩。 - 実質的に純粋なジアステレオマー形である請求項1に記載の化合物。
- 実質的に純粋なエナンチオマー形である請求項1に記載の実質的に純粋なジアステレオマー化合物。
- 治療有効量の請求項1に記載の化合物と医薬的に許容可能なキャリヤーを含有する医薬組成物。
- βセクレターゼ活性の阻害を必要とする哺乳動物に治療有効量の請求項1に記載の化合物を投与することを含む哺乳動物におけるβセクレターゼ活性の阻害方法。
- 請求項1に記載の化合物を医薬キャリヤー又は希釈剤と配合することを含む哺乳動物におけるβセクレターゼ活性の阻害用医薬の製造方法。
- 治療有効量の請求項1に記載の化合物を患者に投与することを含む患者におけるアルツハイマー病の治療、予防、抑制、改善又は危険低減方法。
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JP2007533741A (ja) * | 2004-04-22 | 2007-11-22 | イーライ リリー アンド カンパニー | Bace阻害剤 |
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JP2009504614A (ja) * | 2005-08-11 | 2009-02-05 | ベーリンガー インゲルハイム インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツング | アルツハイマー病の治療用化合物 |
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Also Published As
Publication number | Publication date |
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US7109217B2 (en) | 2006-09-19 |
EP1562897B1 (en) | 2009-09-16 |
AU2003291308A1 (en) | 2004-06-03 |
US7348356B2 (en) | 2008-03-25 |
EP1562897A4 (en) | 2007-06-27 |
EP1562897A1 (en) | 2005-08-17 |
ATE443043T1 (de) | 2009-10-15 |
US20060052615A1 (en) | 2006-03-09 |
CA2505098A1 (en) | 2004-05-27 |
US20060264416A1 (en) | 2006-11-23 |
AU2003291308B2 (en) | 2009-06-18 |
DE60329316D1 (de) | 2009-10-29 |
WO2004043916A1 (en) | 2004-05-27 |
JP4494212B2 (ja) | 2010-06-30 |
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