JP2009514815A - 迅速に解離するドーパミン2受容体アンタゴニストとしてのピペリジン−4−イル−ピリダジン−3−イルアミン誘導体 - Google Patents
迅速に解離するドーパミン2受容体アンタゴニストとしてのピペリジン−4−イル−ピリダジン−3−イルアミン誘導体 Download PDFInfo
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- JP2009514815A JP2009514815A JP2008537078A JP2008537078A JP2009514815A JP 2009514815 A JP2009514815 A JP 2009514815A JP 2008537078 A JP2008537078 A JP 2008537078A JP 2008537078 A JP2008537078 A JP 2008537078A JP 2009514815 A JP2009514815 A JP 2009514815A
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- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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- 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
- A61K31/50—Pyridazines; Hydrogenated pyridazines
- A61K31/501—Pyridazines; Hydrogenated pyridazines not condensed and containing further heterocyclic rings
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- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/02—Drugs for disorders of the nervous system for peripheral neuropathies
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- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/14—Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
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- A61P25/00—Drugs for disorders of the nervous system
- A61P25/18—Antipsychotics, i.e. neuroleptics; Drugs for mania or schizophrenia
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- A—HUMAN NECESSITIES
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- A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
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- A—HUMAN NECESSITIES
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Psychology (AREA)
- Pain & Pain Management (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Abstract
Description
J.Med.Chem.(1999)、42(4)、730−741 Farmaco、Vol.35、no.11、1980、951−964ページ
統合失調症は人口のおよそ1%を冒す重篤かつ慢性の精神疾患である。臨床症状は生涯の比較的早期に明らかとなり、一般には青年期若しくは初期成人期の間に出現する。統合失調症の症状は、通常、幻覚、妄想および無秩序な考えを包含する陽性と記述されるもの、ならびに社会的離脱、減退した情動、会話の欠乏および快楽を経験することの不能を包含する陰性と称されるものに分割される。加えて、統合失調症患者は損なわれた注意および記憶のような認知障害に苦しめられる。該疾患の病因は未だ不明であるが、しかし異常な神経伝達物質の作用が統合失調症の症状の根底にあると仮定されている。ドーパミン作動性仮説はもっともしばしば考えられるものであり;それは、ドーパミン伝達の過活動が統合失調症患者で観察される陽性症状の原因であることを提案する。この仮説は、アンフェタミン若しくはコカインのようなドーパミン増強薬物が精神病を誘発しうるという観察結果、および抗精神病薬の臨床用量とドーパミンD2受容体の阻害におけるそれらの効力の間に存在する相関に基づく。全部の市販されている抗精神病薬は、ドーパミンD2受容体を阻害することにより陽性の症状に対するそれらの治療的有効性を媒介する。臨床的有効性を別にして、錐体外路系症状(EPS)および晩発性ジスキネジーのような、抗精神病薬の主要な副作用もまたドーパミン拮抗作用に関係するようである。それらの衰弱させる副作用は、典型的なすなわち第一世代の抗精神病薬(例えばハロペリドール)で最も頻繁に出現する。それらは、非典型的なすなわち第二世代の抗精神病薬(例えばリスペリドン、オランザピン)でより少なく顕著であり、そして、原型の非典型的抗精神病薬と考えられるクロザピンでは事実上非存在でさえある。非典型的抗精神病薬で観察されるEPSのより低い発生率を説明するために提案された多様な理論のなかで、最近15年間に多くの注意をひいたものはマルチ受容体仮説である。それは、多くの非典型的抗精神病薬が、ドーパミンD2受容体に加え多様な他の神経伝達物質受容体、とりわけセロトニン5−HT2受容体と相互作用する一方、ハロペリドールのような典型的抗精神病薬はD2受容体により選択的に結合することを示す、受容体結合研究から当然の結果としてそうなる。全部の主要な非典型的抗精神病薬が臨床上適切な投薬量でセロトニン5−HT2受容体を完全に占有するがしかし運動の副作用の誘発においてなお異なるために、この理論に近年異議が申し立てられてきた。マルチ受容体仮説に対する代替として、KapurとSeeman(“Does fast dissociation from the dopamine D2 receptor explain the action of atypical antipsychotics?:A new hypothesis”、Am.J.Psychiatry 2001、158:3 p.360−369)は、非典型的抗精神病薬は、ドーパミンD2受容体からそれらが解離する速度により典型的抗精神病薬と識別し得ると提案した。D2受容体からの迅速な解離は、抗精神病薬を生理学的ドーパミン伝達により順応させて、運動の副作用を伴わない抗精神病効果を可能にするとみられる。この仮説はクロザピンおよびクエチアピンを考慮する場合にとりわけ説得力がある。これら2種の薬物はドーパミンD2受容体からの最も速い解離速度を有し、そしてそれらはヒトでEPSを誘発することの最低の危険を有する。逆に、EPSの高頻度を伴う典型的な抗精神病薬は、最も遅く解離するドーパミンD2受容体アンタゴニストである。従って、D2受容体からのそれらの解離速度に基づき新たな薬物を同定することが、新たな非典型的抗精神病薬を提供するための妥当な戦略として出現する。付加的な最終目標は、迅速に解離する特性を、ドーパミンD2受容体に対する選択性と組み合わせることである。現在の非典型的抗精神病薬の複数の受容体プロファイルは、体重増加および糖尿病のような他の副作用の原因であると考えられている。選択的D2アンタゴニストを探すことは、しばらくの間1アプローチとして無視されていたが、しかし、診察室でより選択的な化合物を使用することが、現在の非典型的抗精神病薬と関連する代謝障害の発生を低下させうることが、われわれの信念である。
Rは水素若しくはC1−6アルキルであり;
R1はフェニル;水素、ハロ、シアノ、C1−4アルキル、C1−4アルキルオキシ、パーフルオロC1−4アルキル、ジC1−4アルキルアミノよりなる群からそれぞれ独立に選択される1、2若しくは3個の置換基で置換されているフェニル;チエニル;ハロおよびC1−4アルキルよりなる群から選択される1若しくは2個の置換基で置換されているチエニル;C3−8シクロアルキル;またはC5−7シクロアルケニルであり;
R2は水素若しくはC1−6アルキルであり;
R3はハロ、C1−4アルキル若しくはパーフルオロC1−4アルキルであり;ならびに
R4およびR5はそれぞれ独立に水素若しくはハロである、
で表される新規化合物、その製薬学的に許容できる塩、水和物および溶媒和物、ならびに立体異性体により達成される。
本発明の化合物は、迅速に解離するD2受容体アンタゴニストであり、活性は、J.Med.Chem.(1999)、42(4)、730−741の6−フェニル−N−[4−ピペリジニル]−3−ピリダジンアミン誘導体のいずれにも、Farmaco、Vol.35、no.11、1980、951−964ページの置換N−[4−ピペリジニル]−2−アミノピリミジンのいずれにも帰されない。この特性は、本発明の化合物を、統合失調症、統合失調症型障害、統合失調感情障害、妄想性障害、短期精神病性障害、共有精神病性障害、全身の医学的状態による精神病性障害、物質誘発性精神病性障害、別の方法で明記されない精神病性障害;痴呆を伴う精神病;大うつ障害、気分変調障害、月経前不快気分性障害、別の方法で明記されない抑うつ障害、I型双極性障害、II型双極性障害、循環病、別の方法で明記されない双極性障害、全身の医学的状態による気分障害、物質誘発性気分障害、別の方法で明記されない気分障害;全般性不安障害、強迫性障害、パニック障害、急性ストレス障害、心的外傷後ストレス障害;精神発達障害;広汎性発達障害;注意欠陥障害、注意欠陥/多動障害、破壊的行動障害;偏執型人格障害、統合失調型(schizoid type)人格障害、統合失調型(schizotypical type)人格障害;チック障害、トゥーレット症候群;物質依存;物質濫用;物質離脱;トリコチロマニーの処置若しくは予防での医薬品としての使用にとりわけ適するようにする。
陽性の症状に対し活性かつ改良された安全性プロファイル(低いEPS発生率および代謝障害なし)を有する抗精神病化合物を見出すため、われわれはドーパミンD2受容体と選択的に相互作用しかつこの受容体から迅速に解離する化合物についてスクリーニングした。化合物を、最初に、[3H]スピペロンおよびヒトD2L受容体細胞膜を使用する結合アッセイでそれらのD2アフィニティーについてスクリーニングした。1μM未満のIC50を示す化合物を、Josee E.LeysenとWalter Gommeren、Journal of Receptor Research、1984、4(7)、817−845により公表された方法から翻案した間接的アッセイで、それらの解離速度を評価するため試験した。
式(I)、
化学
実施例(E1−E45)の最終精製は、記述される溶離液を使用するシリカゲルでのカラムクロマトグラフィー、若しくはHyperprep RP 18 BDS(Shandon)(8μm、200mm、250g)カラムでの逆相調製的HPLCいずれかにより実施した。3種の移動相(移動相A:90% 0.5%酢酸アンモニウム+10%アセトニトリル;移動相B:メタノール;移動相C:アセトニトリル)を使用して、40ml/分の流速を伴う75%Aおよび25%Bで開始し、同一条件で0.5分間保持、次いで0.01分で80ml/分までの流速の増大、41分で50%Bおよび50%Cまで、20分で100%Cまでの勾配法を実施し、そしてこれらの条件を4分間保持した。
4−{[6−(トリフルオロメチル)ピリダジン−3−イル]アミノ}ピペリジン−1−カルボン酸tert−ブチル(D1)
N−ピペリジン−4−イル−6−(トリフルオロメチル)ピリダジン−3−アミン(D2)
二塩酸塩(D2)は、実施例化合物のその後の製造で直接使用したか、若しくは、あるいは、使用前に遊離塩基に転化したかのいずれかであった。遊離塩基は、二塩酸塩の水への溶解、炭酸ナトリウムで塩基性化すること、およびジクロロメタンで抽出することにより製造した。乾燥(MgSO4)後に溶媒を真空中で蒸発させて遊離塩基(D2a)を生じた。
8−(3,4−ジフルオロベンジル)−1,4−ジオキサ−8−アザスピロ[4.5]デカン(D3)
1−(3,4−ジフルオロベンジル)ピペリジン−4−オン(D4)
1−(3,4−ジフルオロベンジル)−N−メチルピペリジン−4−アミン(D5)
6−トリフルオロメチル−3−ピリダジンアミン(D6)
4−クロロ−6−トリフルオロメチル−3−ピリダジンアミン(D7)
4−{[4−クロロ−6−(トリフルオロメチル)ピリダジン−3−イル]アミノ}ピペリジン−1−カルボン酸tert−ブチル(D8)
4−クロロ−N−ピペリジン−4−イル−6−(トリフルオロメチル)ピリダジン−3−アミン(D9)
N−[1−(3,4−ジフルオロベンジル)ピペリジン−4−イル]−6−(トリフルオロメチル)ピリダジン−3−アミン(E1)
[実施例2]
[実施例12]
[実施例16]
[実施例45]
N−[1−(3,4−ジフルオロベンジル)ピペリジン−4−イル]−6−(トリフルオロメチル)ピリダジン−3−アミン(E1)
N−[1−(4−フルオロベンジル)ピペリジン−4−イル]−6−(トリフルオロメチル)ピリダジン−3−アミン(E2)
N−[1−(4−クロロベンジル)ピペリジン−4−イル]−6−(トリフルオロメチル)ピリダジン−3−アミン(E3)
N−[1−(3−トリフルオロメチルベンジル)ピペリジン−4−イル]−6−(トリフルオロメチル)ピリダジン−3−アミン(E4)
N−[1−(3−フルオロベンジル)ピペリジン−4−イル]−6−(トリフルオロメチル)ピリダジン−3−アミン(E5)
N−[1−(3,4,5−トリフルオロベンジル)ピペリジン−4−イル]−6−(トリフルオロメチル)ピリダジン−3−アミン(E6)
N−[1−(シクロペンチルメチル)ピペリジン−4−イル]−6−(トリフルオロメチル)ピリダジン−3−アミン(E7)
N−[1−(2−フルオロベンジル)ピペリジン−4−イル]−6−(トリフルオロメチル)ピリダジン−3−アミン(E8)
N−[1−(4−クロロ−3−フルオロベンジル)ピペリジン−4−イル]−6−(トリフルオロメチル)ピリダジン−3−アミン(E9)
N−[1−(3−クロロ−4−フルオロベンジル)ピペリジン−4−イル]−6−(トリフルオロメチル)ピリダジン−3−アミン(E10)
N−[1−(3,5−ジフルオロベンジル)ピペリジン−4−イル]−6−(トリフルオロメチル)ピリダジン−3−アミン(E11)
N−[1−(3,4−ジフルオロベンジル)ピペリジン−4−イル]−N−メチル−6−(トリフルオロメチル)ピリダジン−3−アミン(E12)
N−[1−(3−トリフルオロメチルベンジル)ピペリジン−4−イル]−N−メチル−6−(トリフルオロメチル)ピリダジン−3−アミン(E13)
N−[1−(シクロペンチルメチル)ピペリジン−4−イル]−N−メチル−6−(トリフルオロメチル)ピリダジン−3−アミン(E14)
N−[1−(4−クロロベンジル)ピペリジン−4−イル]−6−クロロピリダジン−3−アミン(E16)
N−(1−ベンジルピペリジン−4−イル)−N−メチル−6−クロロピリダジン−3−アミン(E17)
N−[1−(3,5−ジフルオロベンジル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E18)
N−[1−(2−フルオロ−5−メチルベンジル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E19)
N−[1−(3,4−ジフルオロベンジル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E20)
N−[1−(3−ブロモ−4−フルオロベンジル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E21)
N−[1−(4−クロロ−3−トリフルオロメチルベンジル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E22)
N−[1−(3−フルオロ−5−トリフルオロメチルベンジル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E23)
N−[1−(2−フルオロ−5−トリフルオロメチルベンジル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E24)
N−[1−(3−トリフルオロメチルベンジル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E25)
N−[1−(2,5−ジメチルベンジル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E26)
N−[1−(2,4,5−トリメチルベンジル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E27)
N−[1−(4−フルオロ−3−トリフルオロメチルベンジル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E28)
N−[1−(4−フルオロ−3−メチルベンジル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E29)
N−[1−(5−ブロモチオフェン−2−イルメチル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E30)
N−[1−(4,5−ジメチルチオフェン−2−イルメチル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E31)
N−[1−(シクロペンチルメチル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E32)
N−[1−(1−シクロヘキシ−1−エン−イルメチル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E33)
N−[1−(1−シクロヘキシ−3−エン−イルメチル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E34)
N−[1−(3,4,5−トリフルオロベンジル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E35)
N−[1−(4−ブロモチオフェン−2−イルメチル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E36)
N−[1−(3−フルオロ−6−メチルベンジル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E37)
N−[1−(3−ジメチルアミノ−ベンジル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E38)
N−[1−(シクロヘキシルメチル)ピペリジン−4−イル]−N−メチル−6−クロロピリダジン−3−アミン(E39)
N−[1−(3−トリフルオロメチルベンジル)ピペリジン−4−イル]−N−メチル−6−メチルピリダジン−3−アミン(E40)
N−[1−(3−フルオロ−4−メトキシベンジル)ピペリジン−4−イル]−6−(トリフルオロメチル)ピリダジン−3−アミン(E41)
N−[1−(2,4−ジフルオロベンジル)ピペリジン−4−イル]−6−(トリフルオロメチル)ピリダジン−3−アミン(E42)
N−[1−(3,4−ジフルオロベンジル)ピペリジン−4−イル]−6−(トリフルオロメチル)−4−クロロ−ピリダジン−3−アミン(E43)
N−[1−(4−フルオロ−α−メチルベンジル)ピペリジン−4−イル]−6−(トリフルオロメチル)ピリダジン−3−アミン(E44)
N−[1−(3,4−ジフルオロ−α−メチルベンジル)ピペリジン−4−イル]−6−(トリフルオロメチル)ピリダジン−3−アミン(E45)
ヒトD2L受容体に対するin vitro結合アフィニティー
ヒトドーパミンD2L受容体でトランスフェクトしたCHO細胞の凍結膜を融解し、Ultra−Turraz T25ホモジナイザーを使用して短時間均質化し、そしてNaCl、CaCl2、MgCl2、KClを含有するトリス−HClアッセイ緩衝液(それぞれ50、120、2、1および5mM、HClでpH7.7に調節した)で、特異的および非特異的結合に至適化した適切なタンパク質濃度に希釈した。放射リガンド[3H]スピペロン(NEN、比活性約70Ci/mmol)を2nmol/Lの濃度でアッセイ緩衝液で希釈した。調製した放射リガンド(50μl)を、50μlの10%DMSO対照、ブタクラモール(10−6mol/l最終濃度)若しくは目的の化合物のいずれかと一緒にその後、400μlの調製した膜溶液とインキュベート(30分、37℃)した。膜に結合した活性を、Packard Filtermate収集装置を通してGF/B Unifilterプレート上に濾過し、そして氷冷トリス−HCl緩衝液(50mM;pH7.7;6×0.5ml)で洗浄した。、シンチレーション液を添加しかつTopcountシンチレーションカウンターで計数する前にフィルターを乾燥させた。特異的結合したパーセントおよび競合結合曲線を、S−Plusソフトウェア(Instightful)を使用して計算した。全化合物は、E8、E25、E41、E42、E44およびE45(pIC50>5.2)を除き>6.0のpIC50値を有した。
1μMより優れたIC50を示す化合物を、Josee E.LeysenとWalter Gommeren、Journal of Receptor Research、1984、4(7)、817−845により公表された方法から翻案した間接的アッセイで、それらの解離速度を評価するため試験した。それらのIC50の4倍の濃度の化合物を、最初に2mlの容量中でヒトD2L受容体細胞膜と25℃で1時間インキュベートし、その後、40ウェルmultividorを使用して吸引下にガラス繊維フィルターで濾過した。直後に真空を解放した。0.4mlの1nM[3H]スピペロンを含有する予め加温した緩衝液(25℃)をフィルターに5分間添加した。真空を開始すること、および2×5mlの氷冷緩衝液での直接のすすぎによりインキュベーションを停止した。フィルターに結合した放射活性を液体シンチレーション分光計で測定した。該アッセイの原理は、化合物がD2受容体から迅速に解離するほど、[3H]スピペロンがD2受容体に迅速に結合するという仮定に基づく。例えば、D2受容体を1850nM(4×IC50)の濃度のクロザピンとインキュベートする場合、[3H]スピペロン結合は、フィルター上での5分インキュベーション後にその全結合能力(薬物の非存在下で測定される)の60〜70%に同等である。他の抗精神病薬とインキュベートされる場合、[3H]スピペロン結合は20と50%の間で変動する。クロザピンは各濾過操作で包含したため、試験した化合物は、それらがクロザピンと同じくらい迅速に若しくはクロザピンより迅速に解離していた場合に迅速に解離するD2アンタゴニストとみなした。全部の測定した化合物は、クロザピンのものより迅速な解離速度、すなわち>50%を有した。
Claims (11)
- 式(I)
Rは水素若しくはC1−6アルキルであり;
R1はフェニル;水素、ハロ、シアノ、C1−4アルキル、C1−4アルキルオキシ、パーフルオロC1−4アルキル、ジC1−4アルキルアミノよりなる群からそれぞれ独立に選択される1、2若しくは3個の置換基で置換されているフェニル;チエニル;ハロおよびC1−4アルキルよりなる群から選択される1若しくは2個の置換基で置換されているチエニル;C3−8シクロアルキル;またはC5−7シクロアルケニルであり;
R2は水素若しくはC1−6アルキルであり;
R3はハロ、C1−4アルキル若しくはパーフルオロC1−4アルキルであり;そして
R4およびR5はそれぞれ独立に水素若しくはハロである、
の化合物、あるいはその製薬学的に許容できる塩、水和物若しくは溶媒和物、またはそれらの立体異性体。 - R3がトリフルオロメチルであり;そしてR、R4およびR5が水素である、請求項1に記載の化合物。
- R2が水素若しくはメチルである、請求項1に記載の化合物。
- R1が4−フルオロフェニル若しくは3,4−ジフルオロフェニルである、請求項1に記載の化合物。
- 化合物がN−[1−(4−フルオロベンジル)ピペリジン−4−イル]−6−(トロフルオロメチル)ピリダジン−3−アミンである、請求項1に記載の化合物。
- 化合物がN−[1−(3,4−ジフルオロベンジル)ピペリジン−4−イル]−6−(トロフルオロメチル)ピリダジン−3−アミンである、請求項1に記載の化合物。
- 治療上有効な量の請求項1で定義されるところの化合物を含んでなる製薬学的組成物。
- 医薬品としての使用のための請求項1で定義されるところの化合物。
- 抗精神病薬としての使用のため請求項8で定義されるところの化合物。
- 統合失調症、統合失調症型障害、統合失調感情障害、妄想性障害、短期精神病性障害、共有精神病性障害、全身の医学的状態による精神病性障害、物質誘発性精神病性障害、別の方法で明記されない精神病性障害;痴呆を伴う精神病;大うつ障害、気分変調障害、月経前不快気分性障害、別の方法で明記されない抑うつ障害、I型双極性障害、II型双極性障害、循環病、別の方法で明記されない双極性障害、全身の医学的状態による気分障害、物質誘発性気分障害、別の方法で明記されない気分障害;全般性不安障害、強迫性障害、パニック障害、急性ストレス障害、心的外傷後ストレス障害;精神発達障害;広汎性発達障害;注意欠陥障害、注意欠陥/多動障害、破壊的行動障害;偏執型人格障害、統合失調型(schizoid type)人格障害、統合失調型(schizotypical type)人格障害;チック障害、トゥーレット症候群;物質依存;物質濫用;物質離脱;トリコチロマニーの処置若しくは予防での医薬品としての使用のための、請求項8で定義されるところの化合物。
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