JP6455947B2 - ホスホジエステラーゼ10aインヒビターとしての縮合トリアゾール誘導体 - Google Patents
ホスホジエステラーゼ10aインヒビターとしての縮合トリアゾール誘導体 Download PDFInfo
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- JP6455947B2 JP6455947B2 JP2016568435A JP2016568435A JP6455947B2 JP 6455947 B2 JP6455947 B2 JP 6455947B2 JP 2016568435 A JP2016568435 A JP 2016568435A JP 2016568435 A JP2016568435 A JP 2016568435A JP 6455947 B2 JP6455947 B2 JP 6455947B2
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- 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
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Description
本発明は、ホスホジエステラーゼ10A(PDE10A)の阻害能を示す新規複素環式化合物である縮合トリアゾール誘導体、それらを含有する医薬組成物、および、医薬としてのそれらの使用に関する。化合物は、医療における、とりわけ精神病性の疾患および障害(psychotic diseases and disorder)の処置における、使用を見出し得る。
ホスホジエステラーゼ10Aは、運動の動作(motor movement)の制御、認知過程、感情および学習に関与する様々な機能を有する基底核の一部である脳内における線条体において主に発現が特異的に局在化するホスホジエステラーゼファミリーからの酵素である。現在利用可能な証拠に基づき、この酵素は、外部刺激に対する応答の調節において、および、認知機能のいくつかの側面において、役割を果たすと考えられている。PDE10の活性について現状の知識によって、PDE10Aの阻害能を呈する化合物が、例えば、統合失調症、ハンチントン病、パーキンソン病、依存症および強迫性障害における精神病(psychosis)を含む精神病などの、精神病性、神経性および認知機能の障害(psychotic, neurological and cognitive functions disorders)を含む、基底核系の機能不全(dysfunction)において、有利な効果を有し得ると考えることができる。
神経性および精神病性の疾患ならびに障害の処置において潜在的に有用性のある新しいPDE10Aインヒビターを探索するというニーズは依然として存在する。かかる化合物は、本発明によって提供される。
本発明は、一般式(I)
式中:
X1およびX2の一方は、Nを表し、かつ、X1およびX2の他方は、−C(CH3)を表し;
Aは、非置換もしくは置換の5、6、9または10員のアリールまたはヘテロアリールを表し;
Bは、B1部分およびB2部分
からなる群から選択され;
Z1、Z2およびZ3のうち1つは、−CR1−を表し、かつ、Z1、Z2およびZ3のうちその他は、−CH−を表すか;
または、
Z1、Z2およびZ3のうち1つは、Nを表し、Z1、Z2およびZ3のうち1つは、−CH−を表し、かつ、Z1、Z2およびZ3のうち1つは、−CR1−を表し;
R1は、H、ハロゲン原子、CNまたはヘテロシクロアルキルを表し;
nは、0または1である、
で表される化合物およびその酸付加塩に関する。
本発明によると、X1およびX2の一方は、Nを表し、かつ、X1およびX2の他方は、−C(CH3)を表す。つまり、X1がNを表し、かつ、X2が−C(CH3)を表すか、または代わりに、X1が−C(CH3)を表し、かつ、X2がNを表す。
この第2バリアントにおいて、BがB2を表すとき、好ましくは、R1はHを表す。
好ましくは、Z2は、−CR1−を表し、かつ、Z1とZ3との両方ともが−CH−を表す。かかるケースにおいて、B2部分は、式B21
B21の別の態様において、R1は、ハロゲン原子、とくにフッ素原子または臭素原子を表す。
B21のさらに別の態様において、R1はCNを表す。
B21のさらに別の態様において、R1は、ヘテロシクロアルキル、とくにモルホリニルまたはピロリジニルを表す。
該第2下位群の、本発明の化合物の一態様は、B2部分において、Z1がNを表し、Z2が−CH−を表し、かつ、Z3が−CR1−を表すものである。かかるケースにおいて、B2部分は、式B22
好ましくは、B2、B21、B22、B23およびB24において、RはHである。
本発明の態様の1つにおいて、nは0である。
本発明の別の態様において、nは1である。
本発明の化合物の一態様は、式(I)(式中、X1は−C(CH3)を表し、X2はNを表し、BはB21を表し、nは0であり、RはHを表し、かつ、R1はHを表す)で表される化合物である。
本発明の化合物のさらなる態様は、式(I)(式中、X1は−C(CH3)を表し、X2はNを表し、BはB21を表し、nは0であり、RはHを表し、かつ、R1はCNを表す)で表される化合物である。
本発明の化合物のさらなる態様は、式(I)(式中、X1は−C(CH3)を表し、X2はNを表し、BはB21を表し、nは0であり、RはHを表し、かつ、R1はヘテロシクロアルキル、とくにモルホリニルまたはピロリジニルを表す)で表される化合物である。
本発明の化合物のさらなる態様は、式(I)(式中、X1は−C(CH3)を表し、X2はNを表し、BはB1を表し、かつ、nは0である)で表される化合物である。
本発明の化合物のさらなる態様は、式(I)(式中、X1は−C(CH3)を表し、X2はNを表し、BはB1を表し、かつ、nは1である)で表される化合物である。
本発明の化合物のさらなる態様は、式(I)(式中、X1はNを表し、X2は−C(CH3)を表し、BはB1を表し、かつ、nは1である)で表される化合物である。
本発明の化合物のさらなる態様は、式(I)(式中、X1はNを表し、X2は−C(CH3)を表し、BはB21を表し、nは0であり、RはC1〜C3アルキル、とくにCH3を表し、かつ、R1はHを表す)で表される化合物である。
本発明の化合物のさらなる態様は、式(I)(式中、X1はNを表し、X2は−C(CH3)を表し、BはB21を表し、nは0であり、RはC1〜C3アルキル、とくにCH3を表し、かつ、R1はCNを表す)で表される化合物である。
本発明の化合物のさらなる態様は、式(I)(式中、X1はNを表し、X2は−C(CH3)を表し、BはB21を表し、nは0であり、RはC1〜C3アルキル、とくにCH3を表し、かつ、R1はヘテロシクロアルキル、とくにモルホリニルまたはピロリジニルを表す)で表される化合物である。
本発明の化合物のさらなる態様は、式(I)(式中、X1はNを表し、X2は−C(CH3)を表し、BはB23を表し、nは0であり、RはC1〜C3アルキル、とくにCH3を表し、かつ、R1はHを表す)で表される化合物である。
本明細書で使用される一般用語の定義は以下のとおりである。
ハロゲンは、フッ素(F)、塩素(Cl)、臭素(Br)またはヨウ素(I)原子を意味する。
R1の定義におけるヘテロシクロアルキルは、酸素、窒素および硫黄から選択される1または2個のヘテロ原子を含有する5および6員の飽和複素環、例えばピロリジニル、テトラヒドロフラニル、テトラヒドロチエニル、イミダゾリジニル、オキサゾリジニル、チアゾリジニル、ジオキソラニル、ジチオラニル、オキサチオラニル、モルホリニル、ピペリジニル、ピペラジニル、テトラヒドロピラニルおよびジオキサニル、とくにモルホリニルおよびピロリジニルなど、を含む。
1) 5,7−ジメチル−2−(2−フェニル−1H−ベンゾ[d]イミダゾール−5−イル)−[1,2,4]トリアゾロ[1,5−a]−ピリミジン、
2) 2−[2−(2−フルオロフェニル)−1H−ベンゾ[d]イミダゾール−5−イル]−5,8−ジメチル−[1,2,4]−トリアゾロ[1,5−a]−ピラジン、
3) 5,7−ジメチル−2−[2−(ピリジン−2−イル)−1H−ベンゾ[d]イミダゾール−5−イル][1,2,4]トリアゾロ−[1,5−a]−ピリミジン、
5) 5,7−ジメチル−2−[2−(ピリジン−4−イル)−1H−ベンズイミダゾール−5−イル][1,2,4]トリアゾロ[1,5−a]−ピリミジン、
6) 2−[2−(3−フルオロフェニル)−1H−ベンズイミダゾール−5−イル]−5,8−ジメチル[1,2,4]トリアゾロ[1,5−a]−ピラジン、
7) 2−[2−(4−フルオロフェニル)−1H−ベンズイミダゾール−5−イル]−5,8−ジメチル[1,2,4]トリアゾロ[1,5−a]−ピラジン、
8) 5,8−ジメチル−2−[2−(1,3−チアゾル−2−イル)−1H−ベンズイミダゾール−5−イル][1,2,4]トリアゾロ[1,5−a]−ピラジン、
9) 2−(2−ベンジル−1H−ベンズイミダゾール−5−イル)−5,8−ジメチル[1,2,4]トリアゾロ[1,5−a]ピラジン、
10) 2−(6−フルオロ−2−フェニル−1H−ベンズイミダゾール−5−イル)−5,8−ジメチル[1,2,4]トリアゾロ[1,5−a]−ピラジン、
12) 2−[5−(5,8−ジメチル[1,2,4]トリアゾロ[1,5−a]ピラジン−2−イル)−1H−ベンズイミダゾール−2−イル]−キノキサリン、
13) 2−[2−(1,3−ベンゾチアゾル−2−イル)−1H−ベンズイミダゾール−5−イル]−5,8−ジメチル[1,2,4]トリアゾロ−[1,5−a]−ピラジン、
14) 2−[5−(5,8−ジメチル[1,2,4]トリアゾロ[1,5−a]ピラジン−2−イル)−1H−ベンズイミダゾール−2−イル]−ベンゾニトリル、
15) 5,8−ジメチル−2−[2−(2−メチルフェニル)−1H−ベンズイミダゾール−5−イル][1,2,4]トリアゾロ[1,5−a]−ピラジン、
17) 5,8−ジメチル−2−[2−(チオフェン−2−イル)−1H−ベンズイミダゾール−5−イル][1,2,4]トリアゾロ[1,5−a]−ピラジン、
18) 5,8−ジメチル−2−[2−(1,3−オキサゾル−4−イル)−1H−ベンズイミダゾール−5−イル][1,2,4]トリアゾロ−[1,5−a]−ピラジン、
19) 5,8−ジメチル−2−[2−(1,3−チアゾル−4−イル)−1H−ベンズイミダゾール−5−イル][1,2,4]トリアゾロ[1,5−a]−ピラジン、
20) 5,8−ジメチル−2−[2−(1,3−チアゾル−5−イル)−1H−ベンズイミダゾール−5−イル][1,2,4]トリアゾロ[1,5−a]−ピラジン、
22) 2−[2−(3−フルオロピリジン−2−イル)−1H−ベンズイミダゾール−5−イル]−5,8−ジメチル[1,2,4]−トリアゾロ[1,5−a]−ピラジン、
23) 5,8−ジメチル−2−[2−(ピリダジン−3−イル)−1H−ベンズイミダゾール−5−イル][1,2,4]トリアゾロ[1,5−a]−ピラジン、
24) 5,8−ジメチル−2−[2−(ピラジン−2−イル)−1H−ベンズイミダゾール−5−イル][1,2,4]トリアゾロ[1,5−a]−ピラジン、
25) 5,8−ジメチル−2−[2−(1,3−オキサゾル−4−イル)−1H−ベンズイミダゾール−5−イル][1,2,4]トリアゾロ−[1,5−a]−ピラジン、
27) 5,8−ジメチル−2−[2−(1,2−オキサゾル−5−イル)−1H−ベンズイミダゾール−5−イル][1,2,4]トリアゾロ−[1,5−a]−ピラジン、
28) 5,8−ジメチル−2−[2−(3−メチルピラジン−2−イル)−1H−ベンズイミダゾール−5−イル][1,2,4]トリアゾロ−[1,5−a]−ピラジン、
29) 5,8−ジメチル−2−[2−(5−メチル−1,3−チアゾル−2−イル)−1H−ベンズイミダゾール−5−イル][1,2,4]−トリアゾロ−[1,5−a]ピラジン、
30) 5,8−ジメチル−2−[2−(4−メチル−1,3−チアゾル−2−イル)−1H−ベンズイミダゾール−5−イル][1,2,4]−トリアゾロ−[1,5−a]ピラジン、
32) 5,8−ジメチル−2−[2−(5−メチル−1,2−オキサゾル−3−イル)−1H−ベンズイミダゾール−5−イル][1,2,4]−トリアゾロ−[1,5−a]−ピラジン、
33) 2−[2−(4−メトキシピリジン−2−イル)−1H−ベンズイミダゾール−5−イル]−5,8−ジメチル[1,2,4]−トリアゾロ−[1,5−a]ピラジン、
34) 2−[2−(3−メトキシピリジン−2−イル)−1H−ベンズイミダゾール−5−イル]−5,8−ジメチル[1,2,4]−トリアゾロ−[1,5−a]−ピラジン、
35) 2−[2−(3,6−ジフルオロピリジン−2−イル)−1H−ベンズイミダゾール−5−イル]−5,8−ジメチル[1,2,4]−トリアゾロ−[1,5−a]−ピラジン、
37) 5,8−ジメチル−2−[2−(ピリジン−3−イル)−1H−ベンズイミダゾール−5−イル][1,2,4]トリアゾロ[1,5−a]−ピラジン、
38) 2−[2−(3−ブロモフェニル)−1H−ベンズイミダゾール−5−イル]−5,8−ジメチル[1,2,4]トリアゾロ[1,5−a]−ピラジン、
39) 4−(4−(5−(5,8−ジメチル[1,2,4]トリアゾロ[1,5−a]ピラジン−2−イル)−1H−ベンズイミダゾール−2−イル)−フェニル)モルホリン、
40) 5,8−ジメチル−2−[2−(ピリジン−2−イル)−1H−ベンズイミダゾール−5−イル][1,2,4]トリアゾロ[1,5−a]−ピラジン、
42) 5,8−ジメチル−2−[2−(1−メチル−1H−イミダゾール−2−イル)−1H−ベンズイミダゾール−5−イル][1,2,4]−トリアゾロ−[1,5−a]ピラジン、
43) 2−(6−ブロモ−2−フェニル−1H−ベンズイミダゾール−5−イル)−5,8−ジメチル[1,2,4]トリアゾロ[1,5−a]−ピラジン、
44) 5,8−ジメチル−2−(2−フェニル−6−(ピロリジン−1−イル)−1H−ベンズイミダゾール−5−イル)−[1,2,4]−トリアゾロ−[1,5−a]ピラジン、
45) 5−(5,8−ジメチル[1,2,4]トリアゾロ[1,5−a]ピラジン−2−イル)−2−フェニル−1H−ベンズイミダゾロ−6−カルボニトリル,
47) 5,8−ジメチル−2−(2−(3−(ピロリジン−1−イル)フェニル)−1H−ベンズイミダゾール−[1,2,4]トリアゾロ−[1,5−a]−ピラジン、
48A) 5,7−ジメチル−2−(1−メチル−2−フェニル−1H−ベンゾ[d]イミダゾール−5−イル)−[1,2,4]トリアゾロ−[1,5−a]−ピリミジン、
48B) 5,7−ジメチル−2−(1−メチル−2−フェニル−1H−ベンゾ[d]イミダゾール−6−イル)−[1,2,4]トリアゾロ−[1,5−a]−ピリミジン、
49A) 5,7−ジメチル−2−[1−メチル−2−(ピリジン−2−イル)−1H−ベンゾ[d]イミダゾール−5−イル][1,2,4]−トリアゾロ−[1,5−a]ピリミジン、
49B) 5,7−ジメチル−2−[1−メチル−2−(ピリジン−2−イル)−1H−ベンゾ[d]イミダゾール−6−イル][1,2,4]−トリアゾロ−[1,5−a]ピリミジン、
50) 5,8−ジメチル−2−(2−フェニル−3H−イミダゾ[4,5−c]ピリジン−6−イル)[1,2,4]トリアゾロ[1,5−a]−ピラジン、
52) 5,8−ジメチル−2−(2−フェニル−1H−イミダゾ[4,5−b]ピリジン−5−イル)[1,2,4]トリアゾロ[1,5−a]−ピラジン、
53) 6,8−ジメチル−2−(2−フェニル−1H−イミダゾ[4,5−c]−ピリジン−6−イル)[1,2,4]トリアゾロ[1,5−a]−ピラジン、
54) 6,8−ジメチル−2−(2−フェニル−1H−イミダゾ[4,5−b]−ピリジン−6−イル)[1,2,4]トリアゾロ[1,5−a]−ピラジン、
55) 6,8−ジメチル−2−(2−フェニル−3H−イミダゾ[4,5−b]−ピリジン−5−イル)[1,2,4]トリアゾロ[1,5−a]−ピラジン、
57) 5,8−ジメチル−2−(2−フェニルイミダゾ[1,2−a]ピリミジン−7−イル)[1,2,4]トリアゾロ[1,5−a]−ピラジン、
58) 5,7−ジメチル−2−[2−(ピリジン−2−イル)イミダゾ[1,2−a]ピリミジン−7−イル][1,2,4]トリアゾロ−[1,5−a]−ピリミジン、
59) 5,7−ジメチル−2−[2−(1,3−チアゾル−2−イル)イミダゾ[1,2−a]ピリミジン−7−イル][1,2,4]トリアゾロ−[1,5−a]−ピリミジン、
60) 2−[2−(2−メトキシフェニル)イミダゾ[1,2−a]ピリミジン−7−イル]−5,8−ジメチル[1,2,4]−トリアゾロ−[1,5−a]−ピラジン、
62) 5,8−ジメチル−2−[2−(ピリジン−2−イル)イミダゾ[1,2−a]ピリミジン−7−イル][1,2,4]トリアゾロ−[1,5−a]−ピラジン、
63) 2−[2−(5−クロロチオフェン−2−イル)イミダゾ[1,2−a]ピリミジン−7−イル]−5,8−ジメチル[1,2,4]−トリアゾロ−[1,5−a]−ピラジン、
64) 5,8−ジメチル−2−[2−(チオフェン−2−イル)イミダゾ[1,2−a]ピリミジン−7−イル][1,2,4]−トリアゾロ−[1,5−a]−ピラジン、
65) 2−[2−(5−クロロチオフェン−2−イル)イミダゾ[1,2−a]ピリミジン−7−イル]−5,8−ジメチル[1,2,4]−トリアゾロ−[1,5−a]ピラジン、
67) 5,8−ジメチル−2−[2−(3−(ピロリジン−1−イル)フェニル)イミダゾ[1,2−a]ピリミジン−7−イル]−[1,2,4]−トリアゾロ−[1,5−a]ピラジン、
68) 2−(6−ブロモ−2−フェニルイミダゾ[1,2−a]ピリミジン−7−イル)−5,8−ジメチル[1,2,4]−トリアゾロ−[1,5−a]ピラジン、
69) 5,8−ジメチル−2−[2−フェニル−6−(ピロリジン−1−イル)イミダゾ[1,2−a]ピリミジン−7−イル]−[1,2,4]−トリアゾロ[1,5−a]ピラジン、
70) 4−[7−(5,8−ジメチル−[1,2,4]トリアゾロ[1,5−a]ピラジン−2−イル)−2−フェニルイミダゾ[1,2−a]−ピリミジン−6−イル]モルホリン、
72) 7−(5,8−ジメチル[1,2,4]トリアゾロ[1,5−a]ピラジン−2−イル)−2−フェニルイミダゾ[1,2−a]−ピリミジノ−6−カルボニトリル。
本発明に従う式(I)、(I1)および(I2)で表される化合物が、PDE10A酵素の強力な阻害能を呈することが見出された。
したがって、本発明の目的は、医薬としての使用のための、上で定義された式(I)で表される化合物である。
PDE10Aインヒビターとしての、上で定義された式(I)で表される化合物は、神経性および精神病性の疾患ならびに障害の処置における使用を見出し得る。
したがって、本発明の目的は、ヒトなどの哺乳動物における神経性および精神病性の疾患ならびに障害の処置における使用のための、上で定義された式(I)で表される化合物である。
本発明の目的はまた、上で定義された一般式(I)で表される化合物、または、上で定義された一般式(I)で表される化合物を含む医薬組成物、の治療有効量の投与を含む、ヒトなどの哺乳動物における神経性および精神病性の疾患ならびに障害の処置の方法でもある。
本発明の化合物は、統合失調症および妄想障害などの精神病性の状態および障害;パーキンソン病およびハンチントン病などの運動障害;パニック障害および強迫性障害などの不安障害を、予防、制御または処置するために使用され得る。
本発明の化合物を使用して処置され得る運動障害は、数ある中でも:ハンチントン病、パーキンソン病、ドーパミン受容体アゴニストによって誘発されるジスキネジア、本態性振戦、下肢静止不能症候群(Wittmaack-Ekbom症候群)を含む。
本発明の化合物を使用して処置され得る障害のさらなる群は、強迫性障害、トゥレット・シンドロームおよびチック症を伴う他の障害を含む。
本発明の化合物はまた、アルコール、アンフェタミン、コカインまたはオピエート中毒などの薬物および物質−中毒症候群の処置にも有用であり得る。
最後に、本発明の化合物はまた、がん、とりわけ結腸および直腸のがん(colon and rectal cancer)の処置においても有用であり得る。
一般式(I)(式中、X1=NおよびX2=−C(CH3))で表される化合物は、イミニウム塩である式(IIA)
一般式(I)(式中、BはB2部分を表し、および、R1はC1〜C3アルキルを表す)で表される化合物は、一般式(I)(式中、BはB2部分を表し、および、R1は水素である)で表される対応する化合物のアルキル化によって調製され得る。
上で定義された式(III)で表されるアルデヒドは、式(V)(式中、Aおよびnは、式(I)について定義されたとおりである)で表されるブロモケトンと、式(VI)で表されるアミノピリジン
過ヨウ化酸ナトリウムとの反応は、溶媒中、0〜20℃の温度範囲において実行される。水、テトラヒドロフラン、メタノールまたはジクロロメタンなどの広範囲の溶媒が使用され得る。テトラヒドロフランが好ましい溶媒である。
上述の障害、疾患および状態の処置において、本発明の式(I)で表される化合物は、化学化合物として投与され得るが、しかしながら通常は、薬学的に許容し得る担体(単数または複数)および補助物質(単数または複数)と組み合わせて本発明の化合物またはその薬学的に許容し得る塩を含む医薬組成物の形態で使用されるであろう。
投与の非経口経路は、筋肉内および静脈内の注射ならびに静脈内点滴による投与を含む。非経口投与のための組成物は、例えば、防腐剤を添加した、アンプルなどの単位投薬形態、または、複数投薬容器の形態を有し得る。組成物は、油性または水性の媒介体における懸濁液、溶液またはエマルションなどの形態を有し得、および、懸濁化剤、安定剤および/または分散剤などの賦形剤を含み得る。代わりに、有効成分は、好適な担体(例えば滅菌されたパイロジェンフリー水)中、使用前に再構成するための粉末として製剤化され得る。
本発明の化合物の投薬案は、単回用量または分割用量で、1日につき0.1から約1000mgである。所望の生物学的効果を得るために要求される投薬の選択が、多数の因子、例えば具体的な化合物、適応症、投与のやり方、患者の年齢および状態に依存するであろうこと、ならびに、正確な投薬が、最終的には主治医により決定されるであろうことは、当業者にとって明らかなことであろう。
中間体
以下の例には、本発明の化合物の調製のために使用される中間体を合成する、一般に知られている方法が記載されている。例は、単なる例示である。
イミニウム塩(IIA)および(IIB)
乾燥ジクロロメタン(80mL)中2−アミノ−4,6−ジメチルピリミジン(4.18g、34.0mmol)の溶液をアルゴン下に置き、氷浴中0℃まで冷却した。次いで溶液へ、8.8g(34.0mmol)のO−(ジフェニル−ホスフィニル)−ヒドロキシルアミンを少量ずつ加えた。その結果得られた白色懸濁液を24時間撹拌し、次いで混合物をゆっくり室温までもっていった(氷浴を除去せずに)。このようにして形成された白色固体産物をショット漏斗上で濾過した。濾液を濃縮し、得られた黄色固体をジクロロメタンですりつぶして濾別した(セカンド・クロップ(second crop))。合わせた固体を減圧下で乾燥させて、7.78gの表題生成物が得られた(収率64%)。MS−ESI:(m/z)C6H10N4[M+H]−についての計算値:139.09、実測値139.1(イミニウムカチオン);C12H11O2P[M−H]−についての計算値:217.04、実測値217.1(ジフェニルホスフィナートアニオン)。
圧力管中に、4mLの25%アンモニア溶液、64mgの粉末化銅および1.0g(6.66mmol)の3−クロロ−2,5−ジメチルピラジンを入れた。そのすべてを150℃まで18時間加熱した。さらに1mLの25%アンモニア溶液を加え、さらに4時間加熱を継続した。混合物をシリカゲル層に通して濾過し、10mLの水で、および、10mLの酢酸エチルで、洗浄した。濾液を酢酸エチルで抽出した(5×10mL)。有機相を硫酸ナトリウム上で乾燥させて濃縮した。結果得られた固体をヘプタンですりつぶして濾別した(ファースト・クロップ(first crop))。セカンド・クロップの生成物が濾液から結晶化した。合わせた固体を減圧下で乾燥させることで、0.60gの2−アミノ−3,6−ジメチル−ピラジンが固体として得られた(収率73%)。1H NMR (300 MHz, DMSO-d6): δ 7.45 (s, 1H), 6.01 (s, ブロード, 2H), 2.22 (s, 3H), 2.10 (s, 3H)。
中間体III−1。2−フェニルイミダゾ[1,2−a]ピリミジノ−7−カルボキシアルデヒド
中間体XII−1。エチル2−フェニル−1H−ベンズイミダゾール−5−カルボキシラート
中間体IV−1。2−フェニル−1H−ベンズイミダゾール−5−カルボン酸
中間体XI−1。エチル4,5−ジアミノピリジン−2−カルボキシラート
例1. 5,7−ジメチル−2−(2−フェニル−1H−ベンゾ[d]イミダゾール−5−イル)−[1,2,4]トリアゾロ−[1,5−a]ピリミジン(方法A)
化合物 48B、1H NMR (300 MHz, DMSO-d6): δ 8.42 (d, J = 1.0 Hz, 1H), 8.18 (dd, J = 8.4, 1.5 Hz, 1H), 7.89 (dt, J = 4.3, 2.3 Hz, 2H), 7.82 (d, J = 8.4 Hz, 1H), 7.65 − 7.57 (m, 3H), 7.18 (d, J = 0.8 Hz, 1H), 3.99 (s, 3H), 2.82 (s, 3H), 2.61 (s, 3H)。
化合物49B、1H NMR (300 MHz, CDCl3): δ 8.75 (ddd, J = 4.8, 1.7, 0.9 Hz, 1H), 8.54 − 8.46 (m, 1H), 8.41 − 8.27 (m, 2H), 7.91 (tt, J = 5.1, 3.2 Hz, 2H), 7.51 − 7.38 (m, 1H), 6.84 (d, J = 0.8 Hz, 1H), 4.35 (d, J = 5.6 Hz, 3H), 2.88 (s, 3H), 2.68 (s, 3H)。
本発明の化合物の活性を、以下の生物学的方法を使用して試験した。
1.ホスホジエステラーゼ10のin vitroでの阻害アッセイ
PDE10A遺伝子(GenBank/EMBLアクセッション番号:NM_001130690)を過剰発現するSf9細胞から均一になるまで精製された組み換えヒトホスホジエステラーゼ10A(PDE10A)を阻害試験のために使用した。
プレートを室温にて20分間インキュベートした後、50μlのKinase Glo試薬(Promega Corporation, Madison, USA)をウェル中へアプライし、室温にてインキュベーションを次の10分間継続した。インキュベーション後、ウェル中の発光強度をVictor Light(Perkin Elmer Inc.)ルミノメーターで測定した。
ラット線条体におけるAMPA受容体のGluR1サブユニットの、Ser845(S845)に対するリン酸化のレベルを、線条体における生化学的過程に対する本発明の化合物の効果を評価するために決定した。GluR1のSer845残基に対するリン酸化は、細胞質中のcAMPおよびcGMA夫々の上昇レベルに反応して、タンパク質キナーゼA(PKA)およびタンパク質キナーゼG(PKG)に触媒される。GluR1サブユニットの該リン酸化は、AMPA受容体の細胞膜への転位を引き起こして、その開口と、それによるグルタミン酸作動性シグナリングの強化と、シナプス可塑性に影響を及ぼすこととの可能性を上げる。
肝臓における代謝安定性を予備的に評価するために、相対的代謝安定性アッセイを、本発明の構造的に多様な代表的化合物および構造的に近いWO2013003298からの最も活性のある例の化合物の群に対して実施した。
PCP誘発自発運動の亢進の試験を、到着時〜250gの重さがあるオスのSprague-Dawleyラット(Charles River, Germany)に対して実施した。動物を、標準コロニーA/C制御された条件(standard colony A/C controlled conditions):飼料および水のad libitumでの入手可能な、室温21±2℃、湿度(40〜50%)、12時間の明/暗サイクル(点灯:06:00)の下、標準的な実験室用ケージ中で飼った。ラットには、実験的手順を開始する前の少なくとも7日間、慣れさせた。その週にわたって、動物は、少なくとも3回触れさせられた。
本発明の選択された化合物の結果を図2に提示する。本発明の化合物は、用量依存的なやり方で、PCP誘発自発運動の亢進を低減させることができた。
Claims (23)
- 一般式(I)
式中:
X1およびX2の一方は、Nを表し、かつ、X1およびX2の他方は、−C(CH3)を表し;
Aは、非置換もしくは置換の5、6、9または10員のアリールまたはヘテロアリールを表し;
Bは、B1部分およびB2部分:
からなる群から選択され;
Rは、HまたはC1〜C3アルキルを表し;
Z1、Z2およびZ3のうち1つは、−CR1−を表し、かつ、Z1、Z2およびZ3のうちその他は、−CH−を表すか;または、
Z1、Z2およびZ3のうち1つは、Nを表し、Z1、Z2およびZ3のうち1つは、−CH−を表し、かつ、Z1、Z2およびZ3のうち1つは、−CR1−を表し;
R1は、H、ハロゲン原子、CNまたはヘテロシクロアルキルを表し;
nは、0または1である、
で表される化合物またはその酸付加塩。 - nが、0である、請求項1に記載の化合物。
- nが、1である、請求項1に記載の化合物。
- X1が、Nを表し、かつ、X2が、−C(CH3)を表す、請求項1〜3のいずれか一項に記載の化合物。
- X1が、−C(CH3)を表し、かつ、X2が、Nを表す、請求項1〜3のいずれか一項に記載の化合物。
- Bが、B1部分を表す、請求項1〜5のいずれか一項に記載の化合物。
- Bが、B2部分を表す、請求項1〜5のいずれか一項に記載の化合物。
- Rが、Hを表す、請求項7に記載の化合物。
- Rが、C1〜C3アルキルを表す、請求項7に記載の化合物。
- R1が、Hを表す、請求項7〜9のいずれか一項に記載の化合物。
- R1が、ハロゲン原子を表す、請求項7〜9のいずれか一項に記載の化合物。
- R1が、CNを表す、請求項7〜9のいずれか一項に記載の化合物。
- R1が、ヘテロシクロアルキルを表す、請求項7〜9のいずれか一項に記載の化合物。
- B2が、B21部分
を表す、請求項7〜13のいずれか一項に記載の化合物。 - B2が、B22部分
を表す、請求項10に記載の化合物。 - B2が、B23部分
を表す、請求項10に記載の化合物。 - B2が、B24部分
を表す、請求項10に記載の化合物。 - 有効成分としての請求項1〜17のいずれか一項において定義される化合物、および、薬学的に許容し得る補助物質を含む、医薬組成物。
- 医薬としての使用のための、請求項1〜17のいずれか一項において定義される化合物を含む、組成物。
- 哺乳動物における精神病性、神経性および認知機能の疾患ならびに障害を処置する方法における使用のための医薬組成物であって、請求項1〜17のいずれか一項において定義される化合物の治療有効量を含む、前記医薬組成物。
- 疾患または障害が、統合失調症、妄想障害、運動障害、不安障害、強迫性障害および認知機能障害からなる群から選択される、請求項20に記載の医薬組成物。
- 哺乳動物におけるがんを処置する方法における使用のための医薬組成物であって、請求項1〜17のいずれか一項において定義される化合物の治療有効量を含む、前記医薬組成物。
- がんが、大腸がんである、請求項22に記載の医薬組成物。
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- 2015-05-14 CA CA2946258A patent/CA2946258C/en active Active
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2018
- 2018-07-05 HR HRP20181027TT patent/HRP20181027T1/hr unknown
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WO2015177688A1 (en) | 2015-11-26 |
HRP20181027T1 (hr) | 2018-08-24 |
SI3145930T1 (sl) | 2018-10-30 |
EA030330B1 (ru) | 2018-07-31 |
US10138245B2 (en) | 2018-11-27 |
CN106459060A (zh) | 2017-02-22 |
HUE039847T2 (hu) | 2019-02-28 |
MX367647B (es) | 2019-08-29 |
CN106459060B (zh) | 2019-04-05 |
CA2946258C (en) | 2023-06-06 |
AU2015263013A1 (en) | 2016-11-17 |
PT3145930T (pt) | 2018-10-11 |
ES2688084T3 (es) | 2018-10-30 |
AU2015263013B2 (en) | 2018-10-04 |
MX2016015180A (es) | 2017-03-23 |
EA030330B9 (ru) | 2018-09-28 |
KR20170005860A (ko) | 2017-01-16 |
DK3145930T3 (en) | 2018-09-24 |
EP3145930B1 (en) | 2018-07-04 |
PL408251A1 (pl) | 2015-11-23 |
KR102404650B1 (ko) | 2022-06-02 |
EP3145930A1 (en) | 2017-03-29 |
JP2017521364A (ja) | 2017-08-03 |
EA201692264A1 (ru) | 2017-04-28 |
CA2946258A1 (en) | 2015-11-26 |
PL3145930T3 (pl) | 2018-11-30 |
US20170114064A1 (en) | 2017-04-27 |
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