JP2006519251A - mGluR5アンタゴニストとしての新規アミノピリジン誘導体 - Google Patents
mGluR5アンタゴニストとしての新規アミノピリジン誘導体 Download PDFInfo
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- JP2006519251A JP2006519251A JP2006506343A JP2006506343A JP2006519251A JP 2006519251 A JP2006519251 A JP 2006519251A JP 2006506343 A JP2006506343 A JP 2006506343A JP 2006506343 A JP2006506343 A JP 2006506343A JP 2006519251 A JP2006519251 A JP 2006519251A
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- Prior art keywords
- pyridin
- alkyl
- methyl
- amine
- phenylethynyl
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- 150000003852 triazoles Chemical group 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- 125000003866 trichloromethyl group Chemical group ClC(Cl)(Cl)* 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- 125000001889 triflyl group Chemical group FC(F)(F)S(*)(=O)=O 0.000 description 1
- CWMFRHBXRUITQE-UHFFFAOYSA-N trimethylsilylacetylene Chemical compound C[Si](C)(C)C#C CWMFRHBXRUITQE-UHFFFAOYSA-N 0.000 description 1
- 238000000825 ultraviolet detection Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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Abstract
Description
R1はメチルであり
R2及びR3は独立して水素、ハロゲン、ニトロ、C1〜C6−アルキルであり;
R4は
R6及びR7は同じであるかあるいは異なっていて良く、水素又は式:−X−R8であり、ここでXは=CH−N(R8)2であり、そしてR8は水素、C1〜C6−アルキル、ハロ−C1〜C6−アルキル、アリール、アリール−C1〜C6−アルキル、ヘテロアリール又はヘテロアリール−C1〜C6−アルキルであり;
R5 は式
R14及びR15は独立して上にR9〜R13について規定したとおりである)
を有する化合物、又はかかる化合物の医薬的に許容できる塩、水和物もしくは溶媒和物の、mGluR5レセプターによって調節される中枢神経系(CNS)疾患並びに他の疾患の予防又は治療するための使用に関連する。
R2及びR3は独立して、水素、C1〜C6−アルキルであり;
R5は式
R14及びR15は独立して上記R9〜R13について定義したとおりである)
の化合物、又はその塩の医薬的に許容できる塩、水和物又は溶媒和物である。
R9、R10、R11、R12及びR13は独立して、水素、ハロゲン、シアノ、ニトロ、C1〜C6−アルキル、ハロ−C1〜C6−アルキル、C1〜C6−アルコキシ、カルボキシ−C1〜C6−アルキル又はカルボキシアリールである)
の化合物又はかかる化合物の医薬的に許容できる塩、水和物又は溶媒和物である。
R2及びR3は独立して水素、C1〜C6−アルキルから選択されており;
R14及びR15は独立して、水素、ハロゲン、シアノ、ニトロ、C1〜C6−アルキル、ハロ−C1〜C6−アルキル、C1〜C6−アルコキシ、カルボキシ−C1〜C6−アルキル又はカルボキシアリールである)
の化合物又はかかる化合物の医薬的に許容できる塩、水和物もしくは溶媒和物である。
(6−メチル−2−フェニルエチニル−ピリジン−3−イル)アミン
N,N−ジメチル−N'−(6−メチル−2−フェニルエチニル−ピリジン−3−イル)−ホルムアミジン
(2−(3−フルオロ−フェニルエチニル)−6−メチル−ピリジン−3−イル)アミン
(2−(3−メトキシ−フェニルエチニル)−6−メチル−ピリジン−3−イル)アミン
(6−メチル−2−ピリジン−3−イルエチニル−ピリジン−3−イル)アミン
(2−(4−フルオロ−フェニルエチニル)−6−メチル−ピリジン−3−イル)アミン
(2−(3,5−ジフルオロ−フェニルエチニル)−6−メチル−ピリジン−3−イル)アミン
(2−(5−フルオロ−ピリジン−3−イルエチニル)−6−メチル−ピリジン−3−イル)アミン
3−(3−アミノ−6−メチル−ピリジン−2−イルエチニル)−ベンゾニトリル
(2−(5−クロロ−ピリジン−3−イルエチニル)−6−メチル−ピリジン−3−イル)アミン
(2−(3−クロロ−フェニルエチニル)−6−メチル−ピリジン−3−イル)アミン
(2−(3−フルオロ−フェニルエチニル)−4,6−ジメチル−ピリジン−3−イル)アミン
(2−(3−クロロ−フェニルエチニル)−4,6−ジメチル−ピリジン−3−イル)アミン
である。
いくつかの式Iの化合物は次の方法により試験されている。
本発明の化合物の親和性を、次のような放射性リガンド結合技術を使用することで検査した。ラットの全脳及びトリチウム化した2−メチル−6−(フェニルエチニル)−ピリジン([3H]-MPEP)をリガンドとして、F. Gaspariniら.Bioorg. Med. Chem. Lett. 2002,vol.12,pp.407〜409及びJ. F. Andersonら. J. Pharmacol. Exp. Ther. 2002,vol.303, No.3,pp.1044〜1051に記載の方法と類似するように行った。
200〜300gのSprague-Dawleyラット(Charles River Laboratories, L'Arbresle,France)の脳から皮質を切り出した。組織を、10体積(vol/wt)の氷冷50mM Hepes-NaOH(pH7.4)中、Poltron破砕機(Kinematica AG, Luzern, Switzerland)を使用してホモジナイズして40,000g(4℃)で30分に渡り遠心した。上清を捨ててペレットを10体積の50mM HEPES-NaOH中で懸濁させることによって2回洗浄した。次いで、膜を遠心によって回収して、10体積の20 mM HEPES-NaOH, (pH 7.4)中、最終懸濁前に洗浄した。 タンパク質濃度をBradford法(Bio-Rad protein assay, Reinach,Switzerland)により、標準としてのウシ血清アルブミンを伴い測定した。
膜を解凍し、そして20mM HEPES-NaOH、3mM MgCI2、100mM NaClを含む結合バッファー、pH7.4中で再懸濁させた。競合研究を1時間に渡り4℃でインキュベート(: 合計反応体積300μlに対して3nM[3H]-MPEP(46,85Ci/mmol, Tocris, Cookson Ltd, Bristol, U. K.)、50μgの膜及び0.03nM〜30μMの濃度範囲の化合物)することによって行った。非特異的結合を30μMのMPEPを使用することで特定した。反応を、グラスファイバーフィルタープレート(Unifilter 96ウェル GF/B filterplates, Perkin-Elmer, Schwerzenbach,Switzerland)上、細胞回収装置(Filtermate, Perkin-Elmer, Downers Grove, USA)を使用し、4x400μlの氷冷バッファーを使用することで終結させた。放射活性を、96ウェルプレートリーダー(TopCount, Perkin-Elmer, Downers Grove, USA)を使用し液体シンチレーションスペクトロメトリーによって特定した。
阻害曲線を、PrismGraphPadプログラム(Graph Pad Software Inc, San Diego, USA)を使用することで生じさせた。IC50特定を、非線形回帰分析を使用することで8点濃度反応曲線から得たデータより作成した。
本発明の化合物は、mGluR5レセプターに対する選択性の向上を示す。これは、より大きな特異性及びより良い安全性プロファイルを示す。
本発明の化合物は神経炎症性疼痛(B.A. Chizh, Amino Acids 2002,vol.23,pp.169〜176)、不安症(W. P. J. M. Spoorenら、J. Pharmacol. Exp. Ther. 2000,vol.295,No.3,pp.1267〜1275 ; W. P. J. M. Spoorenら. Eur. J. Pharmacol. 2002,vol.435, pp.161〜170), パーキンソン病(N. Breysseら、J. Neurosci. 2003,vol.10,No. 23,pp.8302〜8309)、偏頭痛(P. De Vriesら 1999, vol.375, pp.61〜74)、うつ(I.A.Paul及びP. Skolnick, Ann. N Y Acad. Sci. 2003,Vol.1003, pp.250〜72)及び中毒性疾患(N. E. Patersonら. Psychopharmacology 2003, vol.67,pp.257〜264; C.Chiamuleraら、Nature Neurosci. 2001,vol.4, No.9,pp.873〜874)を治療するための化合物が有用であることを示すモデルにおいて有用である。
他で断らない限り、全ての出発物質は市販のサプライヤーから入手しており且つ更なる精製をせずに使用している。詳細には、以下の略号が、実施例及び本願明細書の全体に渡り使用されて良い。
(6−メチル−2−フェニルエチニル−ピリジン−3−イル)アミンヒドロクロリド
トリエチルアミン(5ml)中のCuI(10mg、50μmol)の溶液に対して、 (2−ブロモ−6−メチル−ピリジン−3−イル)アミン(200mg、1.07mmol)及び(PPh3)2PdCl2(36 mg、50μmol)を加えた。反応混合物0℃に冷却しそしてフェニルアセチレン(176μl、1.60mmol)を加えた。反応混合物を室温へと加温し、そして還流温度の下で14時間に渡り加温した。溶媒を蒸発させて粗製の残留物をフラッシュクロマトグラフィー(ヘキサン/酢酸エチル4:1)によって精製し、105mg(0.50mmol、47%)の(6−メチル−2−フェニルエチニル−ピリジン−3−イル)アミンを黄色固体として獲得した。
Rf:0.09(ヘキサン/酢酸エチル 4:1).M.p.:154−155℃。1H NMR (CDCI3,400MHz) δ:2.47(s,3H), 4.13−4.17(br.s,2H), 6.93−7.01(2H), 7.34−7.39(3H), 7.57−7.63(2H)。
Rf:0.50(ヘキサン/酢酸エチル1:1).M.p.:183℃、H NMR (DMSO [D6],400MHz)δ:2.57(s,3H), 3.20−4.00(br.s,3H), 7.51−7.57(4H), 7.71(d,J=8.8Hz,1H), 7.80−7.84(2H).LC-MS(RT): 2.14分; MS(ES+)はm/z:209.1を与えた。
N,N−ジメチル−N'−(6−メチル−2−フェニルエチニル−ピリジン−3−イル)−ホルムアミド
トルエン(1ml)中、N,N−ジメチルホルムアミドジメチルアセタール(80μl、0.60mmol)及び実施例1に由来する(6−メチル−2−フェニルエチニル−ピリジン−3−イル)アミン(102mg、0.49mmol)を20時間に渡り80℃で加熱した。この溶媒を蒸発させ、そして残留物をフラッシュクロマトグラフィー(ヘキサン/酢酸エチル4:1)により精製し、24mg(0.09mmol、15%)のN, N−ジメチル−N'−(6−メチル−2−フェニルエチニル−ピリジン−3−イル)−ホルムアミドを黄色油として獲得した。
Rf:0.17(ヘキサン/酢酸エチル4:1).1H NMR(DMSO[D6],400MHz)δ:2.42(s,3H),3.05(s,3H),3.07(s,3H),7.14(d,J=8.8Hz,1H),7.32(d,J=8.8Hz,1H)、7.44−7.58(4H),7.87(s,1H),7.93(d,J=7.2Hz,1 H).LC−MS(RT):0.61分; MS(ES+)によりm/z:264.1を獲得した。
(2−(3−フルオロ−フェニルエチニル)−6−メチル−ピリジン−3−イル)アミンヒドロクロリド
実施例1に記載の手順と同じ手順の後に、トリエチルアミン(5ml)中、(2−ブロモ−6−メチル−ピリジン−3−イル)アミン(200mg、1.07mmol)を(PPh3)2PdCl2(36mg、0.05mmol)、CuI(10mg、0.05mmol)及び1−エチニル−3−フルオロベンゼン(148μl、1.28 mmol)と反応させた。粗製の残留物をフラッシュクロマトグラフィー(ヘキサン/酢酸エチル4:1)により精製し、145mg(0.64mmol、60%)の(2−(3−フルオロ−フェニルエチニル)−6−メチル−ピリジン−3−イル)アミンを黄白色の固体として獲得した。(2−(3−フルオロ−フェニルエチニル)−6−メチル−ピリジン−3−イル)アミンのヒドロクロリドを実施例1に記載のようにして調製し、148mg(0.56mmol、88%)の表題のヒドロクロリドを黄色固体として獲得した。
Rf:0.52(ヘキサン/酢酸エチル1:1).M.p.:199−200℃(dec.)、1H NMR(DMSO[D6],400MHz)δ:2.52(s,3H),6.20−7.24(br.s,2H),7.35−7.43(m,1H)7.48(d,J=8.0Hz,1H),7.52−7.61(2H),7.62−7.67 (m,1H),7.68−7.72(m,1H)。LC−MS(RT): 2.26分;MS(ES+)によりm/z:227.1を獲得した。C14H12CIFN2に関する分析、計算:C,64.01%;H,4.60%;Cl,13.50%;F,7.23%;N,10.66%.実測値:C,63.30%;H,4.62% ;Cl,13.56%;F,6.98% ;N,10.57%。
(2−(3−メトキシ−フェニルエチル)−6−メチル−ピリジン−3−イル)アミン
実施例1に記載の手順と同じ手順の後、(2−ブロモ−6−メチル−ピリジン−3−イル)アミン(200mg、1.07mmol)を(PPh3)2PdCl2(37mg、0.05mmol)、CuI(10mg、0.05mmol)及び1−エチニル−3−メトキシ−ベンゼン(204μl、1.60mmol)とトリエチルアミン(5ml)中で1.5時間に渡り反応させた。粗製の残留物をフラッシュクロマトグラフィー(ヘキサン/酢酸エチル4:1)により精製し、118 mg(0.50mmol、46%)の(2−(3−メトキシ−フェニルエチニル)−6−メチル−ピリジン−3−イル)アミンを黄褐色の固体として獲得した。
Rf:0.30(ヘキサン/酢酸エチル1:1).M.p.:165−166. 1H SMR(DMSO [D6], 400MHz) δ:2.60 (s,3H), 3.85(s,3H), 7.11−7.16(m,1H),7.37−7.49(3H), 7.56(d,J=8.4 Hz,1H), 7.77(d,J=8.8Hz,1H).LC−MS (RT):2.31分;MS(ES+)によりm/z:239.1を獲得した。
(6−メチル−2−ピリジン−3−イルエチニル−ピリジン−3−イル)アミンヒドロクロリド
実施例1に記載の手順と同じ方法の後、(2−ブロモ−6−メチル−ピリジン−3−イル)アミン(200mg、1.07mmol)を(PPh3)2PdCl2(37mg、0.05mmol)、CuI(10mg、0.05mmol)及び3−エチニルピリジン(110mg、1.07mmol)をトリメチルアミン(1.6ml)中で反応させた。粗製の残留物をフラッシュクロマトグラフィー(DCM−DCM/MeOH 97:3)によって精製し、100mg(0.48mmol、49%)の(6−メチル−2−ピリジン−3−イルメチニル−ピリジン−3−イル)アミンを黄色粉末として獲得した。(6−メチル−2−ピリジン−3−イルエチニル−ピリジン−3−イル)アミンのヒドロクロリドを実施例1に記載のようにして調製し、ペンタンでの粉砕後、145mg(100%)の表題のヒドロクロリドを黄色固体として獲得した。
M.p.:156.4−158℃. 1H NMR (DMSO[D6],500MHz)8:2.54(s,3H),7.52(d,J=9Hz,1H), 7.61−7.68(m,1H),7.69(d,J=9.0,1H),8.25(d,J=7.5,1H),8.68−8.86(br.s,1H),8.93−9.15(br.s,1H).LC−MS(RT): 0.65分;MS (ES+)によりm/z:210.1を獲得した。
(2−(4−フルオロ−フェニルエチニル)−6−メチル−ピリジン−3−イル)アミンヒドロクロリド
実施例1に記載の手順と同じ手順の後、(2−ブロモ−6−メチル−ピリジン−3−イル)アミン(200mg、1.07mmol)を(PPh3)2PdCl2(36mg、0.05mmol)、CuI(10mg、0.05mmol)及び1−エチニル−4−フルオロベンゼン(184μl、1.07mmol)と、トリエチルアミン(5ml)中で反応させた。粗製の残留物をフラッシュクロマトグラフィー(ヘキサン/酢酸エチル7:3)により精製し、164mg(0.72mmol、68%)の(2−(4−フルオロ−フェニルエチニル)−6−メチル−ピリジン−3−イル)アミンを黄色固体として獲得した。(2−(4−フルオロ−フェニルエチニル)−6−メチル−ピリジン−3−イル)アミンを実施例1に記載のようにして調製し、酢酸エチルで粉砕した後、154mg(0.51mmol、71%)の表題のヒドロクロリドを黄色固体として獲得した。
Rf:0.43(ヘキサン/酢酸エチル1:1).M.p.:122℃(dec.). 1H NMR(DMSO [D6], 400MHz)δ: 2.53(s,3H),4.45−5.54(br.s,2H), 7.36−7.43(2H), 7.52(d, J=8.8Hz,1H),7.67(d, J=8.8Hz, 1H),7.82−7.89 (2H). LC−MS (tr):2.24分;MS (ES+)によりm/z:227.1を獲得した。
(2−(3,5−ジフルオロ−フェニルエチニル−6−メチル−ピリジン3−イル)アミンヒドロクロリド
実施例1に記載の手順と同じ手順の後、(2−ブロモ−6−メチル−ピリジン−3−イル)アミン(800mg、4.28mmol)を(PPh3)2PdCl2(150mg、0.21mmol)、CuI(41mg、0.21mmol)及びエチニルトリメチルシラン(840mg、8.55mmol)とトリエチルアミン(30ml)中で反応させた。粗製の残留物をフラッシュクロマトグラフィー(ヘキサン/酢酸エチル8:2)で精製し330mg(1.61mmol、38%)の(6−メチル−2−トリメチルシラニルエチニル−ピリジン−3−イル)アミンをベージュの固体として獲得した。
Rf:0.61(ヘキサン/酢酸エチル1:1).M.p.:212℃(dec.).1H NMR(DMSO[D6],400MHz)δ:2.49(s,3H), 6.12−7.08(br.s,2H), 7.44−7.55(2H), 7.56−7.68(3H).LC−MS (RT):2.39分;MS(ES+)によりm/z:245.0を獲得した。
(2−(5−フルオロ−ピリジン−3−イルエチニル)−6−メチル−ピリジン−3−イル)アミンヒドロクロリド
トリエチルアミン(5ml)中のCuI(11mg、0.06mmol)の溶液に対して(2−エチニル−6−メチル−ピリジン−3−イル)アミン(40mg、0.30mmol、実施例7で記載済み)、(PPh3)2PdCl2(21 mg、0.06 mmol)、及び3−フルオロ−5−ヨードピリジン(111 mg、0.45mmol)を加えた。この反応混合物を室温で14時間に渡り撹拌した。溶媒を蒸発させた。粗製の残留物をフラッシュクロマトグラフィー(シクロヘキサン/酢酸エチル7:3)により精製し、15mg(66μmol、22%)の(2−(5−フルオロ−ピリジン−3−イルエチニル)−6−メチル−ピリジン−3−イル)アミンを黄色の固体として獲得した。
Rf:0.31(シクロヘキサン/酢酸エチル7:3).LC−MS(RT):1.71分;MS(ES+)によりm/z:228. 0を獲得した。
3−(3−アミノ−6−メチル−ピリジン−2−イルエチニル)−ベンゾニトリルヒドロクロリド
トリエチルアミン(4ml)中のCuI(2.4mg、12μmol)の溶液に対して(2−エチニル−6−メチル−ピリジン−3−イル)アミン(33mg、0.33mmol、実施例7で記載済み)、(PPh3)2PdCl2(8.8 mg、12μmol), 及び3−ヨードベンゾニトリル(57mg、0.25mmol)を加えた。この反応混合物を室温で48時間に渡り撹拌した。溶媒を蒸発させて粗製の残留物をフラッシュクロマトグラフィー(シクロヘキサン/酢酸エチル1:1)により精製し、16mg(69μmol、21%)の3−(3−アミノ−6−メチル−ピリジン−2−イルエチニル)−ベンゾニトリルヒドロクロリドを黄色の固体として獲得した。
Rf:0.36(シクロヘキサン/酢酸エチル1:13).M.p.:132.4−134℃.LC-MS(RT):2.13分;MS(ES+)によりm/z:234.1を獲得した。
(2−(5−クロロピリジン−3−イルエチニル)−6−メチルピリジン−3−イル)アミンヒドロクロリド
実施例1に記載の手順と同じ方法の後、(2−ブロモ−6−メチル−ピリジン−3−イル)アミン(150mg、0.80mmol)を(PPh3)2PdCl2(28mg、40μmol)、CuI(80mg、40μmol)及び3−クロロ−5−エチニル−ピリジン(165mg、1.20mmol)をトリエチルアミン(5ml)中で反応させた。粗製の残留物をフラッシュクロマトグラフィー(ヘキサン/酢酸エチル7:3)によって精製し、141mg(0.58mmol、72%)の(2−(5−クロロ−ピリジン−3−イルエチニル)6−メチル−ピリジン−3−イル)アミンを黄色固体として獲得した。
Rf:0.12 (ヘキサン/酢酸エチル1:1).M.p.:193℃(dec.).1H NMR(DMSO[D6],400MHz)δ:2.59(s,3H),),5.81−7.41(br.s,2H),7.58(d,J=8.8Hz,1H),7.73(d,J=8.8Hz,1H),8.43−8.44(m,1H),8.79(d,J=1.6Hz,1H),8.89(d,J=2.0Hz,1H).LC−MS(RT):2.03分;MS (ES+)によりm/z:244.0を獲得した。
(2−(3−クロロ−フェニルエチニル)−6−メチル−ピリジン−3−イル)アミンヒドロクロリド
トリエチルアミン(5ml)中のCuI(5.0mg、28μmol)の溶液に対して(2−エチニル−6−メチル−ピリジン−3−イル)アミン(75mg、0.57mmol)、(PPh3)2PdCl2(20 mg、28μmol)、及び1−クロロ−3−ヨードベンゼン(135mg、0.57mmol)を加えた。この反応混合物を室温で4時間に渡り撹拌した。溶媒を蒸発させ、茶色の油を与えそれをDCM中で溶解させそしてこの溶液を水で洗浄した。水層を2度DCMで抽出した。有機層をNa2SO4上で乾燥させ、ろ過して濃縮した。粗製の残留物をフラッシュクロマトグラフィー(ヘキサン/酢酸エチル7:3)により精製し、54mg(0.22mmol、39%)の(2−(3−クロロ−フェニルエチニル)−6−メチル−ピリジン−3−イル)アミンを黄色の固体として獲得した。
Rf: 0.57(ヘキサン/酢酸エチル1:1)。M.p.:195℃(dec.).1H NMR(DMSO[D6],400MHz)5:2.51(s,3H),6.43−7.11(br.s,2H),7.50 (d,J=8.4Hz,1H),7.52−7.58(m,1 H), 7.59−7.69(2H),7.72(d,J=8.0Hz,1H),7.97 (s,1H)。LC−MS(RT):2.54分; MS(ES+)によりm/z:243.0を得た。C14H12Cl2N2+ 0.5 H20に関する分析、計算値:C,58.35%;H,4.55%;Cl,24.61%;N,9.72%。実測値:C,58.15%;H,4.49%;Cl,24.60%;N,9.48%。
(2−3−フルオロ−フェニルエチニル)−4,6−ジメチル−ピリジン−3−イル)アミンヒドロクロリド
トルエン(10ml)中の2−クロロ−4,6−ジメチル−ピリジン−3−イルアミン(J.M.Klunderら、J. Med. Chem., vol.35,1992, 1887-1897に記載のとおり調製した)の1.80 g(11.0mmol)の溶液に対してPBr3(18ml)を加えた。この反応混合物を48時間に渡り還流下で撹拌した。反応混合物を冷却した後、それを氷上に注ぎ、NaOHの2M溶液(400ml)で塩基性化し、そして水層を酢酸エチルで2度抽出した。組み合わさった有機層を塩水で洗浄し、Na2SO4上で乾燥させろ過して蒸発させた。粗製の残留物をフラッシュクロマトグラフィー(シクロヘキサン/酢酸エチル7:3)により精製し、少量の2−クロロ−4,6−ジメチル−ピリジン−3−イルアミンを含む2.31g(38%)の2−クロロ−4,6−ジメチル−ピリジン−3−イルアミンを黄色の油として獲得した。
Rf:0.37(ヘキサン/酢酸エチル7:3)。M.p.:210℃(dec.).1H NMR(DMSO [D6], 500MHz):2.33 (s,3H),2.51 (s,3H),6.31−6. 72 (br.s,3H), 7.36−7.42 (m,1 H), 7.47 (s,1H), 7.53−7.59 (m,1H),7.60−7.63 (m,1H),7.70−7.74 (m,1H).LC−MS(tr): 2.29分;MS(ES+)によりm/z:241.1を得た。C15H14CIFN2 に関する分析計算値:C,65.10%;H,5.10%;Cl,12.81%;F,6.87%;N,10.12%。実測値:C,64.73%;H,4.97%;Cl,12.78%;F,6.71%;N 9.87%。
(2−3−クロロ−フェニルエチニル)−4,6−ジメチル−ピリジン−3−イル)アミンヒドロクロリド
トリエチルアミン(1.6ml)中のCuI(5.7mg、30μmol)の溶液に対して2−ブロモ−4,6−ジメチル−ピリジン−3−イルアミン(120mg、0.60mmol)、(PPh3)2PdCl2(21mg、30mmol)、及び1−エチニル−3−クロロベンゼン(98mg、0.72mmol)を加えた。この反応混合物を室温で30分及び還流下で3時間に渡り撹拌した。溶媒を蒸発させ、そして粗製の残留物をフラッシュクロマトグラフィー(シクロヘキサン/酢酸エチル4:1)により精製し、39mg(0.15mmol、25%)の(2−(3−クロロ−フェニルエチニル)−4,6−ジメチル−ピリジン−3−イル)アミンを茶色の油として獲得した。
Rf:0.37(シクロヘキサン/酢酸エチル7:3).M.p.:204℃.LC−MS(tr): 2.56分;MS(ES+)によりm/z:257.0を得た。
実施例3の化合物 5〜50mg
第二リン酸カルシウム 20mg
ラクトース 30mg
タルカム 10mg
ステアリン酸マグネシウム 5mg
ジャガイモデンプン 適切に200mg
経口投与のための水性懸濁を、各1mlにつき記載の例いずれかを1〜5mg、ナトリウムカルボキシメチルセルロースを50mg、安息香酸ナトリウムを1 mg、ソルビトールを500 mg含みそして水を適宜に1 mlとなるように調製している。
非経口組成物を、10容量%のプロピレングリコール及び水中、1.5重量%の本発明の活性成分を撹拌することによって調製している。
実施例3の化合物 5〜1000 mg
ステアリルアルコール 3g
ラノリン 5g
白灯油 15g
水 適切に100g
Claims (14)
- 式
(式中、
R1はメチルであり、
R2及びR3は、独立して水素、ハロゲン、ニトロ、C1〜C6−アルキルから選択されており;
R4は、
であり、
R6及びR7は同じであるかあるは異なっていて良く、水素又は式:−X−R8の基であり、ここでXは=CH−N(R8)2であり、そしてR8は水素、C1〜C6−アルキル、ハロ−C1〜C6−アルキル、アリール、アリール−C1〜C6−アルキル、ヘテロアリール又はヘテロアリールC1〜C6−アルキルである;
R5は式
の基を示し、ここでR9、R10、R11、R12及びR13は独立して水素、ハロゲン、シアノ、ニトロ、C1〜C6−アルキル、ハロ−C1〜C6−アルキル、C1〜C6−アルコキシ、カルボキシ−C1〜C6−アルキル又はカルボキシアリールであり;
R14及びR15は独立して上記R9〜R13について規定したとおりである)
の化合物又は当該化合物の医薬的に許容できる塩、水和物又は溶媒和物。 - 前記化合物が:
(6−メチル−2−フェニルエチニル−ピリジン−3−イル)アミン
N,N−ジメチル−N'−(6−メチル−2−フェニルエチニル−ピリジン−3−イル)−ホルムアミジン
(2−(3−フルオロ−フェニルエチニル)−6−メチル−ピリジン−3−イル)アミン
(2−(3−メトキシ−フェニルエチニル)−6−メチル−ピリジン−3−イル)アミン
(6−メチル−2−ピリジン−3−イルエチニル−ピリジン−3−イル)アミン
(2−(4−フルオロ−フェニルエチニル)−6−メチル−ピリジン−3−イル)アミン
(2−(3,5−ジフルオロ−フェニルエチニル)−6−メチル−ピリジン−3−イル)アミン
(2−(5−フルオロ−ピリジン−3−イルエチニル)−6−メチル−ピリジン−3−イル)アミン
3−(3−アミノ−6−メチル−ピリジン−2−イルエチニル)−ベンゾニトリル
(2−(5−クロロ−ピリジン−3−イルエチニル)−6−メチル−ピリジン−3−イル)アミン
(2−(3−クロロ−フェニルエチニル)−6−メチル−ピリジン−3−イル)アミン
(2−(3−フルオロ−フェニルエチニル)−4,6−ジメチル−ピリジン−3−イル)アミン
(2−(3−クロロ−フェニルエチニル)−4,6−ジメチル−ピリジン−3−イル)アミン
及びその医薬的に許容できる塩から選択されている、請求項1〜4のいずれか1項に記載の化合物。 - 治療上有効な量の請求項1〜5に記載の化合物及び医薬的に許容できる担体及び/又は賦形剤を含んで成る医薬組成物。
- 哺乳動物の例えば、ヒトにおける症状を治療又は予防する方法であって、その治療又は予防は、mGluR5アンタゴニストの神経調節効果によって影響されている又は促進されており、かかる治療又は予防を必要とする哺乳動物に対して、治療上有効な量の請求項1〜5のいずれか1項に記載の化合物を投与することを含んで成る方法。
- 寛容又は依存症、うつ、双極性障害、精神疾患の例えば、精神病、注意欠陥/過活動性障害、パーキンソン病、記憶障害、アルツハイマー病、痴呆、精神錯乱、神経変性症、神経毒、虚血からなる群から選択された中枢神経系の疾患を治療又は予防するために有用な方法であって、かかる治療又は予防を必要とする哺乳動物に対して、治療上有効な量の請求項1〜5のいずれか1項に記載の化合物を投与することを含んで成る方法。
- 炎症性又は神経因性疼痛を治療又は予防するための方法であって、かかる治療又は予防を必要とする哺乳動物に対して、実質上神経系に浸透しない有効な量の請求項1〜5のいずれか1項に記載の化合物を投与することを含んで成る方法。
- 物質耐性又は依存性、神経性大食感、拒食症、ギャンブル中毒、喫煙依存症、セックス依存症、物質脱離(substance withdrawal)もしくは強迫神経症を治療もしくは予防するための方法であって、かかる治療又は予防を必要とする哺乳動物に対して、治療上有効な量の請求項1〜5のいずれか1項に記載の化合物を投与することを含んで成る方法。
- アルコール、ニコチン、コカイン、アンフェタミン、ベンゾジアゼピン、オピエート又はアルコール乱用もしくは中毒を治療もしくは予防する方法であって、かかる治療又は予防を必要とする哺乳動物に対して治療上有効な量の請求項1〜5のいずれか1項に記載の化合物を投与することを含んで成る方法。
- 不安症、パニック障害、恐怖症、外傷後ストレス障害、全般性不安障害、急性ストレス障害を療治療又は予防するための方法であって、かかる治療又は予防を必要とする哺乳動物に対して治療上有効な量の請求項1〜5のいずれか1項に記載の化合物を投与することを含んで成る方法。
- 偏頭痛を治療又は予防するための有用な方法であって、かかる治療又は予防が必要な哺乳動物に対して、有効な量の請求項1〜5のいずれか1項に記載の化合物を投与することを含んで成る方法。
- 哺乳動物における症状を治療又は予防するための医薬を調製するための請求項1〜5のいずれか1項に記載の式Iの化合物の使用であって、その治療又は予防がmGluR5アンタゴニストの神経調節効果によって影響されている又は促進されている使用。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0304901A GB0304901D0 (en) | 2003-03-04 | 2003-03-04 | Novel aminopyridine derivatives as mGIuR5 antagonists |
| GB0316430A GB0316430D0 (en) | 2003-07-14 | 2003-07-14 | Aminopyridine derivatives |
| PCT/IB2004/000745 WO2004078728A1 (en) | 2003-03-04 | 2004-03-04 | NOVEL AMINOPYRIDINE DERIVATIVES AS mGIuR5 ANTAGONISTS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006519251A true JP2006519251A (ja) | 2006-08-24 |
| JP2006519251A5 JP2006519251A5 (ja) | 2007-07-19 |
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| JP2006506343A Pending JP2006519251A (ja) | 2003-03-04 | 2004-03-04 | mGluR5アンタゴニストとしての新規アミノピリジン誘導体 |
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| Country | Link |
|---|---|
| US (2) | US7205411B2 (ja) |
| EP (2) | EP2028180A1 (ja) |
| JP (1) | JP2006519251A (ja) |
| AT (1) | ATE415390T1 (ja) |
| AU (1) | AU2004218180B2 (ja) |
| CA (1) | CA2517083A1 (ja) |
| CY (1) | CY1108837T1 (ja) |
| DE (1) | DE602004017966D1 (ja) |
| DK (1) | DK1603877T3 (ja) |
| ES (1) | ES2316968T3 (ja) |
| PL (1) | PL1603877T3 (ja) |
| PT (1) | PT1603877E (ja) |
| RU (1) | RU2330020C2 (ja) |
| SI (1) | SI1603877T1 (ja) |
| UA (1) | UA81464C2 (ja) |
| WO (1) | WO2004078728A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB0413605D0 (en) | 2004-06-17 | 2004-07-21 | Addex Pharmaceuticals Sa | Novel compounds |
| EP1874724A2 (en) * | 2005-04-22 | 2008-01-09 | Merck & Co., Inc. | Phenyl ethyne compounds |
| WO2007035823A2 (en) * | 2005-09-20 | 2007-03-29 | Molecular Neuroimaging, Llc | Partial mglur5 antagonists and methods of use thereof |
| DE102005062987A1 (de) * | 2005-12-28 | 2007-07-05 | Grünenthal GmbH | Substituierte Propiolsäureamide und ihre Verwendung zur Herstellung von Arzneimitteln |
| EP2272509A1 (en) * | 2006-09-11 | 2011-01-12 | Novartis AG | New Uses of metabotropic glutamate receptors |
| KR20140018286A (ko) | 2011-03-18 | 2014-02-12 | 노파르티스 아게 | 파킨슨병에서의 도파민 유발 이상운동증에서 사용하기 위한 알파 7 니코틴성 아세틸콜린 수용체 활성화제 및 mGluR5 길항제의 조합물 |
Citations (1)
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| JP2003502272A (ja) * | 1998-02-06 | 2003-01-21 | アムジエン・インコーポレーテツド | 神経ペプチドy受容体拮抗薬としての二環式ピリジンおよびピリミジン誘導体 |
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| JPS6028963A (ja) * | 1983-07-27 | 1985-02-14 | Takeda Chem Ind Ltd | 置換ビニル誘導体 |
| TW544448B (en) | 1997-07-11 | 2003-08-01 | Novartis Ag | Pyridine derivatives |
| DE10009000A1 (de) | 2000-02-25 | 2001-08-30 | Basf Ag | Verfahren zur Herstellung substituierter Indole |
| DK1349839T3 (da) | 2000-12-04 | 2005-06-06 | Hoffmann La Roche | Phenylethenyl- eller phenylethinylderivater som glutamatraceptorantagonister |
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- 2004-03-04 WO PCT/IB2004/000745 patent/WO2004078728A1/en not_active Ceased
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- 2004-03-04 RU RU2005130647/04A patent/RU2330020C2/ru not_active IP Right Cessation
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- 2004-03-04 EP EP08018437A patent/EP2028180A1/en not_active Withdrawn
- 2004-03-04 CA CA002517083A patent/CA2517083A1/en not_active Abandoned
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- 2004-03-04 SI SI200431006T patent/SI1603877T1/sl unknown
- 2004-03-04 DE DE602004017966T patent/DE602004017966D1/de not_active Expired - Lifetime
- 2004-03-04 EP EP04717193A patent/EP1603877B1/en not_active Expired - Lifetime
- 2004-03-04 PL PL04717193T patent/PL1603877T3/pl unknown
- 2004-03-04 DK DK04717193T patent/DK1603877T3/da active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003502272A (ja) * | 1998-02-06 | 2003-01-21 | アムジエン・インコーポレーテツド | 神経ペプチドy受容体拮抗薬としての二環式ピリジンおよびピリミジン誘導体 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2004218180A1 (en) | 2004-09-16 |
| CA2517083A1 (en) | 2004-09-16 |
| US20080004316A1 (en) | 2008-01-03 |
| AU2004218180B2 (en) | 2009-11-12 |
| EP2028180A1 (en) | 2009-02-25 |
| CY1108837T1 (el) | 2014-07-02 |
| US7205411B2 (en) | 2007-04-17 |
| DE602004017966D1 (de) | 2009-01-08 |
| EP1603877A1 (en) | 2005-12-14 |
| WO2004078728A1 (en) | 2004-09-16 |
| EP1603877B1 (en) | 2008-11-26 |
| RU2330020C2 (ru) | 2008-07-27 |
| US20060030601A1 (en) | 2006-02-09 |
| PT1603877E (pt) | 2009-02-11 |
| ATE415390T1 (de) | 2008-12-15 |
| ES2316968T3 (es) | 2009-04-16 |
| SI1603877T1 (sl) | 2009-04-30 |
| DK1603877T3 (da) | 2009-03-09 |
| PL1603877T3 (pl) | 2009-05-29 |
| UA81464C2 (en) | 2008-01-10 |
| RU2005130647A (ru) | 2006-04-10 |
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