JP2016502555A - アミノシクロブタン誘導体、それらの製造方法およびそれらの薬物としての使用 - Google Patents
アミノシクロブタン誘導体、それらの製造方法およびそれらの薬物としての使用 Download PDFInfo
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- JP2016502555A JP2016502555A JP2015545991A JP2015545991A JP2016502555A JP 2016502555 A JP2016502555 A JP 2016502555A JP 2015545991 A JP2015545991 A JP 2015545991A JP 2015545991 A JP2015545991 A JP 2015545991A JP 2016502555 A JP2016502555 A JP 2016502555A
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- diethyl
- amino
- cyclobutanecarboxamide
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Abstract
Description
−末梢または内臓組織の損傷または興奮(例えば、炎症)を原因とする痛覚過敏による疼痛;
−神経因性(または神経原性)疼痛は、体性感覚系の損傷または機能不全または破壊に関連し、これは異なる症候学を有するという点で侵害受容性疼痛とは異なる;
−心因性(または特発性疼痛)は、損傷の不在下で存在する疼痛である。このタイプの疼痛の生理学的機構は明らかに定義されていない。この疼痛は一般に鎮痛剤に耐性である。
1.例えばセルホテル、ペルジンホテルおよびプロドラッグなどの、グルタミン酸結合部位を標的とする競合的アンタゴニスト(WO2009029618)、または、例えば、ガベスチネル、GV−196771(Wallace et al., 2002, Neurology, 59, 1694-1700)および特許出願WO2010037533に報告されているキノリンなどの、グリシン結合部位を標的とする競合的アンタゴニスト。このカテゴリーは、D−サイクロセリン(US2011160260)などのグリシン部位の部分アゴニストも含む。
2)例えば、ポリアミンおよびフェニルエタノールアミン部位などの受容体調節の多くのモジュレーター部位に作用する非競合的(またはアロステリック)アンタゴニスト。この系列に属する化合物はほとんどが現在臨床試験中である。最有力候補の1つがイフェンプロジル(23210−56−2)であり、例えば、トラキソドプリル(traxodopril)、RGH−896、MK−0657、EVT−101およびEVT−103など、NMDA受容体に対してより選択性の高い後者の誘導体が現在臨床評価下にある(Mony et al., 2009, Br. J. Pharmacol., 157, 1301-1317)。
X1は、水素原子またはフッ素原子を表し;
X2は、水素原子またはフッ素原子または塩素原子であり;
R1は、水素原子またはフッ素原子または塩素原子またはメチル基またはメトキシ基またはシアノ基を表し;
R2は、独立にまたは一緒にメチル基またはエチル基を表す]。
で表される誘導体に関する。
X1が水素原子またはフッ素原子を表し;
X2が水素原子またはフッ素原子または塩素原子であり;
R1が水素原子またはフッ素原子または塩素原子またはメチル基またはメトキシ基またはシアノ基であり;
R2がエチル基である、ものである。
トランス−3−アミノ−N,N−ジエチル−1−フェニルシクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジメチル−1−フェニルシクロブタンカルボキサミド
トランス−3−アミノ−N,N−ジエチル−1−(2−フルオロフェニル)−シクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジエチル−1−(3−メトキシフェニル)−シクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジエチル−1−(3−フルオロフェニル)−シクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジエチル−1−(3−クロロフェニル)−シクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジエチル−1−(3−メチルフェニル)−シクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジエチル−1−(3−シアノフェニル)−シクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジエチル−1−(2−フルオロ−3−クロロフェニル)−シクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジエチル−1−(2,5−ジフルオロフェニル)−シクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジエチル−1−(3,5−ジフルオロフェニル)−シクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジエチル−1−(3,5−ジクロロフェニル)−シクロブタンカルボキサミド
の純粋なトランスジアステレオ異性体ならびにそれらの薬学上許容される塩に関する。
mおよびpは独立に、0、1、2または3に等しく;
点線は、R1aが存在しない場合には二重結合を表し;
R1は、NR6R7基であり得、R6およびR7は水素原子を示していてもよく;
R1aは、水素原子であり得;
R2は、置換または非置換型のアリール基であり得;
Jは、結合であり得;
R3は、−C(Z1)−R5基であり得、R5はNR6aR7a基を示していてもよく;
R6aおよびR7aは、置換または非置換型のアルキル基を示していてもよく、Z1はカルボニル基(C=O)を示していてもよく;
Rxは、環内の利用可能な総ての炭素原子に対する1もしくは複数の置換または非置換の基(substituted or non-attached group(s))、または水素原子であってもよい]
を有する誘導体により表される。
の化合物に関する。
1)特許WO2003/063797のシクロブタン化合物の場合のように、1−カルボキサミド基が1−アミノメチル基に還元される;
2)シクロブタンの3位のアミノ基が第一級アミン基(NH2)とは異なる。特許出願WO2003063797では、この3−アミノ基はC(G)=NCN基で置換される;
3)1−アリール基と3−アミノ基の間の「シス」立体化学が存在しない。実際に、1−アリールおよび3−アミノ基が「トランス」立体化学である場合には、対応する化合物はNMDA受容体に対する親和性を持たない。
Xは、水素原子とは異なり;
Aは、NR7基であり得、R7は水素原子とは異なり;
R3は、C(O)NR8R10基であり得、R8およびR10はC1−C4アルキル鎖であり得る]
に相当する誘導体により表される。前記化合物は、炎症および自己免疫疾患の治療に有用な4型ホスホジエステラーゼの選択的阻害剤として特許請求されている。従って、本発明の化合物は、それらの化学構造とそれらの薬理活性の両方で出願WO99/52848に記載されているものとは異なる。
aは、一重結合であり得;
Arは、置換もしくは非置換フェニル基、または1以上のハロゲン原子もしくはアルキル基もしくはアルコキシド基もしくはシアノ基で置換されたピリジン−3−イルコアを表し;
R1およびR2は独立にまたは一緒に、C1−C6アルキル基を示し得る]
を有する誘導体によっても表される。
を有する化合物により表される。
炎症性疼痛、例えば、関節リウマチ、敗血性関節炎、骨関節炎、多発性関節炎、痛風、脊椎関節炎、急性非関節性リウマチ、内臓痛、例えば、過敏性腸症候群、クローン病;
痛覚過敏による疼痛、例えば、外傷後疼痛、術後痛、火傷、捻転/膨張、腎疝痛または肝疝痛発作、関節痛、関節炎、脊椎関節症;
混合性疼痛、例えば、癌性疼痛、背痛および腰痛、または頭痛、線維筋痛症、アンギナやレイノー病といった血管/虚血問題に関連する疼痛などの分類が困難な他のタイプの疼痛
が挙げられる。
(i)異なる結晶形状は異なる融点を生じ、本出願で報告される融点は、記載の方法に従って製造された生成物のものであり、補正されていない;
(ii)本発明に従って得られた生成物の構造は、核磁気共鳴(NMR)スペクトルおよび質量分析により確認され、最終生成物の純度は、TLCおよび百分率分析により確認する;
(iii)NMRスペクトルは所与の溶媒中で記録し、化学シフト(δ)はテトラメチルシランに対して百万分の一(ppm)で表し、シグナルの多重度は、s、一重線;d、二重線;t、三重線;q、四重線;qu、五重線;m、多重線;l、ラージで表す;
(iv)単位に関する種々の記号はそれらの通常の意味を有する:μg(マイクログラム);mg(ミリグラム);g(グラム);mL(ミリリットル);mV(ミリボルト);℃(摂氏度);mmol(ミリモル;nmol(ナノモル);cm(センチメートル);nm(ナノメートル);min(分);ms(ミリ秒)、Hz(ヘルツ);
(v)略号は下記の意味を有する:Mp(融点);Bp(沸点);
(vi)用語「周囲温度」は、20℃〜25℃の間の温度を意味する。
工程1:シス−1−フェニル−3−ヒドロキシ−シクロブタンカルボン酸(B1)
2.2当量の塩化イソプロピルマグネシウムを三つ口フラスコに入れ、反応媒体を0℃に冷却する。THFに希釈した1当量のフェニル酢酸を加え、温度は40〜50℃の間に維持しなければならない。この媒体を20℃に冷却し、1.8当量のエピクロルヒドリンを加え、温度は20〜25℃の間に維持しなければならず、この温度で45分間撹拌する。次に、2当量の塩化イソプロピルマグネシウム(THF中2M)を滴下し、室温で2時間撹拌する。次に、この反応媒体を19時間60℃に加熱する。この媒体を放冷した後、HCl溶液(1N)でpH1に酸性化する。ジクロロメタン(DCM)を加え、抽出する。デカントし、有機相をMgSO4で乾燥させた後、減圧下でDCMを蒸発させた。下記溶出剤:DCM、その後DCM/メタノール70:30を用いてフラッシュクロマトグラフィーにより残渣を精製する。標題生成物が淡黄色固体の形態で得られる(収率=70%)。
C11H12O3 (分子量 = 192)
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 2.50 (m, 2H), 2.74 (t, 2H, J = 9.4 Hz), 3.32 (s, 1H), 3.85 (qu, 1H, J = 7.2 Hz), 7.22-7.38 (m, 5H), 12.21 (s, 1H)
SM-ESI: 193.1 (MH+)
1当量の化合物B1)をフラスコに入れ、THFおよび1.03当量のトリエチルアミンで希釈する。溶解するまで室温で撹拌した後、この反応媒体を0℃に冷却する。1当量のクロロギ酸エチルを加え、この温度で1時間撹拌した後、室温に戻し、20時間撹拌する。THFを減圧下で蒸発させ、残渣を酢酸エチル(AcOEt)にとる。デカントし、このアセテートをMgSO4で乾燥させた後、減圧下で蒸発させる。下記溶出剤:ヘプタン、その後ヘプタン/AcOEt 60:40を用いてフラッシュクロマトグラフィーにより残渣を精製する。標題生成物が無色の油状物の形態で得られる(収率=87%)。
C11H10O2 (MW = 174)
1H-NMR (CDCl3, 400 MHz) δ (ppm): 2.71 (m, 2H), 2.89 (m, 2H), 4.97 (s, 1H), 7.31-7.42 (m, 5H)
SM-ESI: 175 (MH+)
1当量の化合物(C1)、2当量のジエチルアミンおよびTHFを三つ口フラスコに入れる。反応媒体を−20℃に冷却した後、3当量の塩化イソプロピルマグネシウム(THF中2M)を、温度を−5℃より低く維持しながら滴下する。この混合物を−10〜−20℃の間の温度で2時間撹拌する。この反応媒体を飽和NaCl溶液で加水分解した後、HCl溶液(1N)を加え、AcOEtで抽出する。有機相をMgSO4で乾燥させ、濾過し、濃縮する。溶出剤として下記混合物:DCM/メタノール85:15を用いてフラッシュクロマトグラフィーにより残渣を精製する。標題生成物が淡黄色固体の形態で得られる(収率=99%)。
C15H21NO2 (MW = 247)
1H-NMR (CDCl3, 400 MHz) δ (ppm): 0.63 (t, 3H, J = 7.2 Hz), 1.08 (t, 3H, J = 7.2 Hz), 2.72 (m, 2H), 2.82 (m, 2H), 2.90 (q, 2H, J = 7.2 Hz), 3.21 (q, 2H, J = 7.2 Hz), 4.36 (qu, 1H, J = 7.4 Hz), 7.21-7.36 (m, 5H) このスペクトルには、OHのHに相当するシグナルは見られない。
SM-ESI: 248 (MH+)
1当量の化合物(D1a)、1.5当量のN−(p−トルエンスルホニル)イミダゾール、2当量のトリエチルアミン、0.025当量のテトラブチルヨウ化アンモニウム、3当量のアジ化ナトリウムおよびDMFをフラスコに入れる。この反応媒体を撹拌し、160℃で4時間加熱する。この反応媒体を氷水に注ぎ、エチルエーテルで抽出する。有機相をMgSO4で乾燥させ、濾過し、濃縮する。溶出剤として下記混合物:ヘプタン/AcOEt 70:30を用いてフラッシュクロマトグラフィーにより残渣を精製する。標題生成物が無色の油状物の形態で得られる(収率=65%)。
C15H20N4O (MW = 272)
1H-NMR (CDCl3, 400 MHz) δ (ppm): 0.52 (t, 3H, J = 7.2 Hz), 1.11 (t, 3H, J = 7.2 Hz), 2.47 (m, 2H), 2.89 (q, 2H, J = 7.2 Hz), 3.14 (m, 2H), 3.34 (q, 2H, J = 7.2 Hz), 3.96 (qu, 1H, J = 7.8 Hz), 7.23 (m, 3H), 7.35 (m, 2H)
SM-ESI: 273 (M+H+)
1当量の化合物(E1a)をフラスコ内でメタノールに溶かす。この溶液を30分間窒素で脱気した後、Pd/C(20重量%)を加える。この系をパージし(サイクル:真空/H2ガス)、この反応媒体を室温で3時間、撹拌しながら水素化する。触媒を濾過し、溶媒を蒸発させる。溶出剤として下記混合物:DCM/メタノール/NH4OH: 90:9:1を用いてフラッシュクロマトグラフィーにより残渣を精製する。標題生成物が無色の油状物の形態で得られる(収率=70%)。
C15H22N2O (MW = 246)
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 0.50 (t, 3H, J = 7.2 Hz), 1.10 (t, 3H, J = 7.2 Hz), 2.11 (m, 2H), 2.92 (q, 2H, J = 6.8 Hz), 3.12 (m, 2H), 3.32 (q, 2H, J = 6.8 Hz), 3.46 (qu, 1H, J = 8.0 Hz), 7.18-7.35 (m, 5H) このスペクトルにはNH2のHに相当するシグナルは見られない。
SM-ESI: 247 (MH+)
前記化合物のマレイン酸による塩化によって、白色粉末形態の標題化合物のマレイン酸塩が得られる。
Mp: 185℃
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 0.42 (t, 3H, J = 7.0 Hz), 1.02 (t, 3H, J = 7.0 Hz), 2.56 (m, 2H), 2.85-2.96 (m, 4H), 3,25 (q, 2H, J = 6.8 Hz), 3.54 (qu, 1H, J = 8.4 Hz), 6.03 (s, 2H), 7.26 (m, 3H), 7.39 (t, 2H, J = 7.6 Hz), 8.00 (s, 2H) このスペクトルにはNH2のHに相当するシグナルは見られない。
13C-NMR (DMSO d6, 100 MHz) δ (ppm): 12.02, 12.15, 36.93, 39.19, 40.07, 41.19, 46.61, 124.87, 126.51, 128.71, 136.02, 142.69, 167.19, 171.10
%理論値: C 62.97, H 7.23, N 7.73
%実測値: C 63.00, H 7.17, N 7.78
工程3:シス−3−ヒドロキシ−N,N−ジメチル−1−フェニルシクロブタンカルボキサミド(D1b)
実施例1に記載の工程3と同様、ジエチルアミンの代わりにジメチルアミンを使用。標題生成物が無色の油状物の形態で得られる(収率=89%)。
1H-NMR (CDCl3, 400 MHz) δ (ppm): 2.65 (m, 2H), 2.55 (s, 3H), 2.95 (s, 3H), 2.80 (m, 2H), 4.27 (qu, 1H, J = 7.8 Hz), 7.19-7.35 (m, 5H) このスペクトルにはOHのHに相当するシグナルは見られない。
実施例1に記載の工程4と同様。標題生成物がベージュ色の固体の形態で得られる(収率=95%)。
1H-NMR (CDCl3, 400 MHz) δ (ppm): 2.50 (m, 2H), 2.54 (s, 3H), 2.96 (s, 3H), 3.18 (m, 2H), 3.97 (qu, 1H, J = 7.8 Hz), 7.24 (m, 3H), 7.36 (m, 2H)
実施例1に記載の工程5と同様。標題生成物が無色の油状物の形態で得られる(収率=84%)。
C13H18N2O (MW = 218)
1H-NMR (CDCl3, 400 MHz) δ (ppm): 2.13 (m, 2H), 2.55 (s, 3H), 2.95 (s, 3H), 3.15 (m, 2H), 3.47 (qu, 1H, J = 7.8 Hz), 7.19-7.35 (m, 5H) このスペクトルにはNH2のHに相当するシグナルは見られない。
SM-ESI: 219 (MH+)
前記化合物のマレイン酸による塩化によって、白色粉末形態の標題化合物のマレイン酸塩が得られる。
Mp: 163℃
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 2.51 (m, 5H), 2.86 (s, 3H), 2.98 (m, 2H), 3.36 (s, 1H), 3.53 (qu, 1H, J = 8.4 Hz), 6.03 (s, 2H), 7.26 (m, 3H), 7.39 (t, 2H, J = 7.6 Hz), 8.05 (s, 3H)
13C-NMR (DMSO d6, 100 MHz) δ (ppm): 35.80, 37.20, 37.34, 39.91, 46.54, 124.94, 126.59, 128.72, 136.00, 142.43, 167.15, 171.68
%理論値: C 61.07, H 6.63, N 8.38
%実測値: C 60.73, H 6.43, N 8.15
工程1:シス−3−ヒドロキシ−1−(2−フルオロフェニル)−シクロブタンカルボン酸(B2)
1に記載の工程1と同様、出発生成物として2−フルオロフェニル酢酸を使用する。標題生成物が白色固体の形態で得られる(収率=49%)。
C11H11FO3 (MW = 210)
1H-NMR (CDCl3, 400 MHz) δ (ppm): 2.80 (m, 2H), 2.97 (m, 2H), 4.29 (qu, 1H, J = 6.4 Hz), 7.04-7.23 (m, 4H) このスペクトルにはアルコールおよび酸におけるOHのHに相当するシグナルが見られない。
SM-ESI: 211 (MH+)
実施例1に記載の工程2と同様。標題生成物が無色の油状物の形態で得られる(収率=81%)。
C11H9FO2 (MW = 192)
1H-NMR (CDCl3, 400 MHz) δ (ppm): 2.75 (m, 2H), 2.99 (m, 2H), 5.01 (s, 1H), 7.07-7.42 (m, 4H)
SM-ESI: = 193 (MH+)
実施例1の工程3と同様。標題生成物が白色固体の形態で得られる(収率=85%)。
C15H20NO2F (MW = 265)
1H-NMR (CDCl3, 400 MHz) δ (ppm): 0.47 (t, 3H, J = 6.8 Hz), 1.10 (t, 3H, J = 6.8 Hz), 2.77-2.89 (m, 4H), 2.95 (m, 2H), 3.31 (m, 2H), 4.32 (qu, 1H, J = 6.8 Hz), 7.04 (t, 1H, J = 7.8 Hz), 7.15 (t, 1H, J = 7.8 Hz), 7.26 (m, 1H), 7.37 (t, 1H, J = 7.8 Hz) このスペクトルにはOHのHに相当するシグナルは見られない。
SM-ESI: 266 (MH+)
1に記載の工程4と同様。標題生成物が無色の油状物の形態で得られる(収率=75%)。
C15H19N4OF (MW = 290).
1H-NMR (CDCl3, 400 MHz) δ (ppm): 0.42 (t, 3H, J = 7.0 Hz), 1.10 (t, 3H, J = 7.0 Hz), 2.55 (m, 2H), 2.98 (q, 2H, J = 7.0 Hz), 3.19 (m, 2H), 3.31 (q, 2H, J = 7.0 Hz), 4.02 (qu, 1H, J = 8.0 Hz), 7.03 (m, 1H) , 7.14-7.29 (m, 3H)
SM-ESI: 291 (MH+)
実施例1に記載の工程5と同様。得られる標題生成物は無色の油状物の形態である(収率=90%)。
C15H21N2OF (MW = 264)
1H-NMR (CDCl3, 400 MHz) δ (ppm): 0.42 (t, 3H, J = 6.8 Hz), 1.10 (t, 3H, J = 6.8 Hz), 2.19 (m, 2H), 3.00 (q, 2H, J = 6.8 Hz), 3.17 (m, 2H), 3.31 (q, 2H, J = 6.8 Hz), 3.53 (qu, 1H, J = 8.0 Hz), 7.00 (m, 1H) , 7.11-7.31 (m, 3H) このスペクトルにはNH2のHに相当するシグナルは見られない。
SM-ESI: 265 (MH+)
前記化合物のマレイン酸による塩化によって、白色粉末形態の標題化合物のマレイン酸塩が得られる。
Mp: 193℃
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 0.01 (t, 3H, J = 6.8 Hz), 0.77 (t, 3H, J = 6.8 Hz), 2.36 (m, 2H), 2.72 (m, 4H), 2.97 (q, 2H, J = 6.8 Hz), 3.22 (s, 1H), 3.38 (qu, 1H, J = 8.0 Hz), 5.81 (s, 2H), 6.94 (m, 1H), 7.04-7.14 (m, 2H), 7.33 (m, 1H), 7.75 (s, 3H)
13C-NMR (DMSO d6, 100 MHz) δ (ppm): 12.00, 12.20, 36.14, 39.97, 40.60, 41.19, 43.60, 115.71 (d, 2JC-F = 21 Hz), 124.64 (d, 4JC-F = 4 Hz), 128.00 (d, 3JC-F = 5 Hz), 128.80 (d, 3JC-F = 8 Hz), 130.07 (d, 2JC-F = 13 Hz), 136.04, 158.52, 160.96, 167.14, 169.93
%理論値: C 59.99, H 6.62, N 7.36
%実測値: C 60.15, H 6.48, N 7.20
工程1:シス−3−ヒドロキシ−1−(3−フルオロフェニル)−シクロブタンカルボン酸(B3)
実施例1の工程1と同様、出発酸として3−フルオロフェニル酢酸を使用する。標題生成物が白色固体の形態で得られる(収率=52%)。
C11H11FO3 (MW = 210)
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 2.50 (m, 2H), 2.75 (m, 2H), 3.86 (qu, 1H, J = 7.2 Hz), 5.18 (s, 1H), 7.07-7.21 (m, 3H), 7.40 (m, 1H), 12.40 (s, 1H)
SM-ESI: 211 (MH+)
実施例1に記載の工程2と同様。標題生成物が無色の油状物の形態で得られる(収率=91%)。
C11H9O2F (MW = 192)
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 2.83 (s, 4H), 5.09 (s, 1H), 7.15-7.22 (m, 3H), 7.38-7.47 (m, 1H)
SM-ESI: 193 (MH+)
実施例1の工程3と同様。標題生成物が白色固体の形態で得られる(収率=92%)。
C15H20NO2F (MW = 265)
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 0.62 (t, 3H, J = 7.2 Hz), 0.97 (t, 3H, J = 7.2 Hz), 2.50 (m, 2H), 2.66 (m, 2H), 2.86 (q, 2H, J = 7.2 Hz), 3.19 (q, 2H, J = 7.2 Hz), 4.05 (m, 1H), 5.12 (d, 1H, J = 6.8 Hz), 7.04-7.15 (m, 3H), 7.39 (m, 1H)
SM-ESI: 266 (MH+)
1に記載の工程4と同様。標題生成物が無色の油状物の形態で得られる(収率=72%)。
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 0.59 (t, 3H, J = 7.2 Hz), 1.00 (t, 3H, J = 7.2 Hz), 2.40 (m, 2H), 2.86 (q, 2H, J = 7.2 Hz), 3.04 (m, 2H), 3.24 (q, 2H, J = 7.2 Hz), 4.07 (m, 1H), 7.04-7.15 (m, 3H), 7.39 (m, 1H)
実施例1に記載の工程5と同様。標題生成物が無色の油状物の形態で得られる(収率=93%)。
C15H21N2OF (MW = 264)
SM-ESI: 265 (MH+)
前記化合物のマレイン酸による塩化によって、白色粉末形態の標題化合物のマレイン酸塩が得られる。
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 0.49 (t, 3H, J = 7.0 Hz), 1.02 (t, 3H, J = 7.0 Hz), 2.56 (m, 2H), 2.91 (m, 4H), 3.26 (q, 2H, J = 7.0 Hz), 3.35 (s, 1H), 3.53 (qu, 1H, J = 8.4 Hz), 6.03 (s, 2H), 7.01 (d, 1H, J = 8.0 Hz), 7.09-7.20 (m, 2H), 7.42 (m, 1H), 7.99 (s, 3H)
13C-NMR (DMSO d6, 100 MHz) δ (ppm): 12.10, 36.93, 39.23, 39.91, 41.18, 46.40, 111.03 (d, 2JC-F = 22 Hz), 113.39 (d, 2JC-F = 21 Hz), 121.11 (d, 4JC-F = 2 Hz), 130.77 (d, 3JC-F = 9 Hz), 136.02, 145.55 (d, 3JC-F = 7 Hz), 161.21, 163.64, 167.14, 170.60
%理論値: C 59.99, H 6.62, N 7.36
%実測値: C 59.11, H 6.40, N 7.07
工程1:シス−3−ヒドロキシ−1−(3−メトキシフェニル)−シクロブタンカルボン酸(B4)
実施例1の工程1と同様、フェニル酢酸の代わりに3−メトキシフェニル酢酸を使用する。標題生成物が白色固体の形態で得られる(収率=50%)。
C12H14O4 (MW = 222)
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 2.50 (m, 2H), 2.73 (m, 2H), 3.75 (s, 3H), 3.86 (qu, 1H, J = 7.2 Hz), 5.14 (s, 1H), 6.82 (dd, 1H, J = 8.0 HzおよびJ = 2.0 Hz), 6.87 (s, 1H), 6.93 (d, 1H, J = 8.0 Hz), 7.26 (t, 1H, J = 8.0 Hz), 12.23 (s, 1H)
SM-ESI: 222
実施例1に記載の工程2と同様。標題生成物が無色の油状物の形態で得られる(収率=85%)。
C12H12O2 (MW = 188)
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 2.80 (m, 4H), 3.76 (s, 3H), 5.06 (s, 1H), 6.87-6.91 (m, 3H), 7.30 (t, 1H, J = 8.0 Hz)
SM-ESI: 189 (MH+)
実施例1に記載の工程3と同様。標題生成物が白色固体の形態で得られる(収率=92%)。
C16H23NO3 (MW = 277)
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 0.62 (t, 3H, J = 6.8 Hz), 0.97 (t, 3H, J = 6.8 Hz), 2.50 (m, 2H), 2.64 (m, 2H), 2.86 (q, 2H, J = 6.8 Hz), 3.19 (q, 2H, J = 6.8 Hz), 3.73 (s, 3H), 4.06 (se, 1H, J = 7.6 Hz), 5.08 (d, 1H, J = 7.2 Hz), 6.81 (m, 2H), 6.89 (d, 1H, J = 7.6 Hz), 7.27 (m, 1H)
SM-ESI: 278 (MH+)
実施例1に記載の工程4と同様。標題生成物が無色の油状物の形態で得られる(収率=82%)。
C16H22N4O2 (MW = 302)
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 0.59 (t, 3H, J = 6.8 Hz), 1.00 (t, 3H, J = 6.8 Hz), 2.40 (m, 2H), 2.86 (q, 2H, J = 6.8 Hz), 3.05 (m, 2H), 3.24 (q, 2H, J = 6.8 Hz), 3.74 (s, 3H), 3.95 (qu, 1H, J = 7.6 Hz), 6.76 (m, 1H), 6.83 (m, 2H), 7.30 (m, 1H)
SM-ESI: 303 (MH+)
実施例1に記載の工程5と同様。標題生成物が無色の油状物の形態で得られる(収率=88%)。
C16H24N2O2 (MW = 276)
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 0.50 (t, 3H, J = 7.0 Hz), 1.00 (t, 3H, J = 7.0 Hz), 2.02 (m, 2H), 2.83 (m, 4H), 3.10 (qu, 1H, J = 8.0 Hz), 3.23 (q, 2H, J = 7.2 Hz), 3.33 (s, 2H), 3.73 (s, 3H), 6.73-6.79 (m, 3H), 7.25 (t, 1H, J = 8.0 Hz)
SM-ESI: 277 (MH+)
前記化合物のマレイン酸による塩化によって、白色粉末形態の標題化合物のマレイン酸塩が得られる。
Mp: 156℃
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 0.47 (t, 3H, J = 6.8 Hz), 1.02 (t, 3H, J = 6.8 Hz), 2.55 (m, 2H), 2.89 (m, 4H), 3.26 (q, 2H, J = 6.8 Hz), 3.35 (s, 1H), 3.52 (qu, 1H, J = 8.4 Hz), 3.75 (s, 3H), 6.03 (s, 2H), 6.78-6.86 (m, 3H), 7.31 (t, 1H, J = 8.0 Hz), 7.98 (s, 3H)
13C-NMR (DMSO d6, 100 MHz) δ (ppm): 12.11, 36.98, 39.23, 39.99, 41.23, 46.57, 55.03, 111.05, 111.54, 117.12, 129.89, 136.03, 144.22, 159.54, 167.12, 171.02
%理論値: C 61.21, H 7.19, N 7.14
%実測値: C 61.38, H 7.09, N 6.98
工程1:シス−3−ヒドロキシ−1−(3−クロロフェニル)−シクロブタンカルボン酸 (B5)
1に記載の工程1と同様、出発酸として3−クロロフェニル酢酸を使用する。標題化合物が白色固体の形態で得られる(収率=52%)。
C11H11O3Cl (MW = 226.5)
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 2.50 (m, 2H), 2.75 (m, 2H), 3.86 (qu, 1H, J = 7.2 Hz), 5.19 (s, 1H), 7.31-7.40 (m, 4H), 12.44 (s, 1H)
実施例1に記載の工程2と同様。標題生成物が無色の油状物の形態で得られる(収率=78%)。
C11H9O2Cl (MW = 208)
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 2.84 (m, 4H), 5.09 (s, 1H), 7.29-7.45 (m, 4H)
SM-ESI: 209 (MH+)
実施例1に記載の工程3と同様。標題化合物が白色固体の形態で得られる(収率=99%)。
C15H20NO2Cl (MW = 281.5)
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 0.63 (t, 3H, J = 6.8 Hz), 0.96 (t, 3H, J = 6.8 Hz), 2.51 (m, 2H), 2.66 (m, 2H), 2.86 (q, 2H, J = 6.8 Hz), 3.19 (q, 2H, J = 6.8 Hz), 4.05 (qu, 1H, J = 7.6 Hz), 5.13 (s, 1H), 7.29-7.41 (m, 4H)
SM-ESI: 282.1 (MH+)
フラスコ内、窒素雰囲気下で、1当量の化合物(D5a)、1.1当量のトリフェニルホスフィン、1.05当量のフタルイミドおよびTHFを加える。次に、1.2当量のジアゾジカルボン酸ジイソプロピル(DIAD)を滴下し、室温で16時間撹拌する。水を加え、DCMで抽出する。有機相をNa2SO4で乾燥させ、濾過し、濃縮する。残渣を、溶出剤として下記混合物:ヘプタン/AcOEt: 80:20を用いてフラッシュクロマトグラフィーにより精製する。標題生成物が77%の収率で得られる。
C23H23N2O3Cl (MW = 410.5)
1H-NMR (CDCl3, 400 MHz) δ (ppm): 0.67 (t, 3H, J = 7.2 Hz), 1.18 (t, 3H, J = 7.2 Hz), 2.91 (q, 2H, J = 7.2 Hz), 3.11 (m, 2H), 3.35 (m, 2H), 3.42 (q, 2H, J = 7.2 Hz), 4.79 (qu, 1H, J = 8.8 Hz), 7.23 (m, 1H), 7.32 (m, 2H), 7.41 (s, 1H), 7.73 (m, 2H), 7.83 (m, 2H)
SM-ESI: 411.1 (MH+)
フラスコ内のエタノールアミン溶液に誘導体(F5a)を入れる。この反応媒体を1時間30分、60℃で加熱する。氷と水の混合物を加え、15分間撹拌し、AcOEtで抽出する。有機相を飽和NaCl溶液で洗浄し、デカントする。有機相をMgSO4で乾燥させ、濾過し、濃縮する。残渣を、溶出剤として下記混合物:DCM/メタノール/NH4OH: 90:9:1を用いてフラッシュクロマトグラフィーにより精製する。標題生成物が40%の収率で得られる。
C15H21N2OCl (MW = 280.5)
1H-NMR (CDCl3, 400 MHz) δ (ppm): 0.58 (t, 3H, J = 7.2 Hz), 1.10 (t, 3H, J = 7.2 Hz), 2.08 (m, 2H), 2.91 (q, 2H, J = 7.2 Hz), 3.11 (m, 2H), 3.34 (q, 2H, J = 7.2 Hz), 3.46 (qu, 1H, J = 8,0 Hz), 7.12 (dd, 1H, J = 7.6 HzおよびJ = 1.2 Hz), 7.19 (m, 2H), 7.26 (m, 1H) このスペクトルには、NH2のHに相当するシグナルは見られない。
SM-ESI: 281.1 (MH+)
前記化合物のマレイン酸による塩化によって、白色粉末形態の標題化合物のマレイン酸塩が得られる。
Mp: 167℃
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 0.50 (t, 3H, J = 6.8 Hz), 1.02 (t, 3H, J = 6.8 Hz), 2.56 (m, 2H), 2.86-2.95 (m, 4H), 3.26 (m, 2H), 3.34 (s, 1H), 3.54 (qu, 1H, J = 8.0 Hz), 6.03 (s, 2H), 7.15 (d, 1H, J = 7.6 Hz), 7.34-7.44 (m, 3H), 8.00 (s, 3H)
13C-NMR (DMSO d6, 100 MHz) δ (ppm): 12.09, 12.12, 36.88, 39.19, 39.90, 41.14, 46.37, 123.76, 124.94, 126.61, 130.65, 133.51, 136.00, 145.09, 167.14, 170.54
%理論値: C 57.50, H 6.35, N 7.06
%実測値: C 57.36, H 6.26, N 6.68
工程1:シス−3−ヒドロキシ−1−(3−メチルフェニル)−シクロブタンカルボン酸(B6)
実施例1の工程1と同様、フェニル酢酸の代わりに3−メチルフェニル酢酸を使用する。標題生成物が白色固体の形態で得られる(収率=40%)。
C12H14O3 (MW = 206)
1H-NMR (CDCl3, 400 MHz) δ (ppm): 2.35 (s, 3H), 2.73 (m, 2H), 2.94 (m, 2H), 4.21 (qu, 1H, J = 6.4 Hz), 7.08 (d, 1H, J = 7.6 Hz), 7.16 (s, 2H), 7.24 (m, 1H) このスペクトルにはアルコールおよび酸におけるOHのHに相当するシグナルは見られない。
SM-ESI: 205
実施例1に記載の工程2と同様。標題生成物が無色の油状物の形態で得られる(収率=74%)。
C12H12O2 (MW = 188)
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 2.37 (s, 3H), 2.70 (m, 2H), 2.87 (m, 2H), 4.96 (s, 1H), 7.09-7.30 (m, 4H)
SM-ESI: 189 (MH+)
実施例1に記載の工程3と同様。標題生成物が77%の収率で得られる。
1に記載の工程4と同様。標題生成物が70%の収率で得られる。
1H-NMR (CDCl3, 400 MHz) δ (ppm): 0.54 (t, 3H, J = 7.2 Hz), 1.11 (t, 3H, J = 7.2 Hz), 2.34 (s, 3H), 2.47 (m, 2H), 2.89 (q, 2H, J = 7.2 Hz), 3.12 (m, 2H), 3.34 (q, 2H, J = 7.2 Hz), 3.95 (qu, 1H, J = 7.8 Hz), 7.04 (m, 3H), 7.23 (m, 1H)
実施例1に記載の工程5と同様。標題生成物が57%の収率で得られる。
C16H24N2O (MW =260)
1H-NMR (CDCl3, 400 MHz) δ (ppm): 0.52 (t, 3H, J = 7.2 Hz), 1.10 (t, 3H, J = 7.2 Hz), 2.11 (m, 2H), 2.33 (s, 3H), 2.92 (q, 2H, J = 7.2 Hz), 3.10 (m, 2H), 3.33 (q, 2H, J = 7.2 Hz), 3.44 (qu, 1H, J = 8.0 Hz), 7.03 (m, 3H), 7.21 (m, 1H) このスペクトルにはNH2のHに相当するシグナルは見られない。
SM-ESI: 261 (MH+)
前記化合物のマレイン酸による塩化によって、白色粉末形態の標題化合物のマレイン酸塩が得られる。
Mp: 173℃
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 0.45 (t, 3H, J = 6.8 Hz), 1.02 (t, 3H, J = 6.8 Hz), 2.31 (s, 3H), 2.52 (m, 2H), 2.89 (m, 4H), 3.25 (q, 2H, J = 6.8 Hz), 3.52 (qu, 1H, J = 8.4 Hz), 6.02 (s, 2H), 7.05 (m, 3H), 7.27 (t, 1H, J = 7.6 Hz), 8.00 (s, 2H) このスペクトルにはNH2のHに相当するシグナルは見られない。
13C-NMR (DMSO d6, 100 MHz) δ (ppm): 12.07, 12.13, 21.05, 36.97, 39.15, 40.09, 41.18, 46.56, 48.53, 121.99, 125.43, 127.15, 128.63, 136.07, 137.88, 142.66, 167.21, 171.19
%理論値: C 63.81, H 7.50, N 7.44
%実測値: C 63.93, H 7.45, N 7.27
工程1:シス−3−ヒドロキシ−1−(2−フルオロ−3−クロロフェニル)−シクロブタンカルボン酸(B7)
実施例1の工程1と同様、フェニル酢酸の代わりに2−フルオロ−3−クロロフェニル酢酸を使用する。標題生成物が白色固体の形態で得られる(収率=30%)。
C11H10FClO3 (MW = 244.5)
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 2.58 (m, 2H), 2.75 (m, 2H), 3.93 (qu, 1H, J = 7.6 Hz), 5.33 (s, 1H), 7.22 (m, 1H), 7.52 (m, 2H), 12.56 (m, 1H)
SM-ESI: 243.0
実施例1に記載の工程2と同様。標題生成物が無色の油状物の形態で得られる(収率=66%)。
C11H8O2ClF (MW = 226.5)
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 2.89 (s, 4H), 5.16 (s, 1H), 7.22-7.29 (m, 2H), 7.61 (m, 1H)
SM-ESI: 227 (MH+)
実施例1に記載の工程3と同様。標題生成物が87%の収率で得られる。
C15H19NO2ClF (MW = 299.5)
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 0.35 (t, 3H, J = 7.0 Hz), 0.96 (t, 3H, J = 7.0 Hz), 2.57 (m, 2H), 2.67 (m, 2H), 2.87 (q, 2H, J = 7.0 Hz), 3.16 (q, 2H, J = 7.0 Hz), 4.00 (se, 1H, J = 8.0 Hz), 5.02 (d, 1H, J = 7.2 Hz), 7.27 (t, 1H, J = 8.0 Hz), 7.50 (t, 1H, J = 8.0 Hz), 7.65 (t, 1H, J = 8.0 Hz)
SM-ESI: 300 (MH+)
実施例6に記載の工程4と同様。標題生成物が45%の収率で得られる。
C23H22FClN2O3 (MW = 428.5)
1H-NMR (CDCl3, 400 MHz) δ (ppm): 0.29 (t, 3H, J = 6.8 Hz), 1.04 (t, 3H, J = 6.8 Hz), 2.94-3.04 (m, 4H), 3.22-3.28 (m, 4H), 4.61 (qu, 1H, J = 8.8 Hz), 7.35 (t, 1H, J = 8.0 Hz), 7.54 (t, 1H, J = 8.4 Hz), 7.62 (t, 1H, J = 7.2 Hz), 7.83 (s, 4H)
SM-ESI: 429 (MH+)
実施例6に記載の工程5と同様。標題生成物が93%の収率で得られる。
C15H20FClN2O (MW = 298.5)
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 0.27 (t, 3H, J = 6.8 Hz), 0.97 (t, 3H, J = 6.8 Hz), 2.08 (m, 2H), 2.88-2.94 (m, 4H), 3.17-3.25 (m, 3H), 7.26 (t, 1H, J = 8.0 Hz), 7.44-7.49 (m, 2H) このスペクトルにはNH2のHに相当するシグナルは見られない。
SM-ESI: 299 (MH+)
前記化合物のマレイン酸による塩化によって、白色粉末形態の標題化合物のマレイン酸塩が得られる。
Mp: 179℃
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 0.26 (t, 3H, J = 6.8 Hz), 0.99 (t, 3H, J = 6.8 Hz), 2.60 (m, 2H), 2.91-3.00 (m, 4H), 3.20 (q, 2H, J = 6.8 Hz), 3.34 (s, 1H), 3.61 (qu, 1H, J = 8.4 Hz), 6.02 (s, 2H), 7.32 (t, 1H, J = 8.0 Hz), 7.52-7.57 (m, 2H), 7.97 (s, 3H)
13C-NMR (DMSO d6, 100 MHz) δ (ppm): 12.15, 12.21, 36.19, 40.08, 40.56, 41.16, 43.81, 120.16, 125.59, 127.11, 129.12, 132.00, 136.11, 153.74, 156.22, 167.19, 169.48
%理論値: C 55.01, H 5.83, N 6.75
%実測値: C 54.73, H 5.98, N 6.46
工程1:シス−3−ヒドロキシ−1−(2,5−ジフルオロフェニル)−シクロブタンカルボン酸(B8)
1に記載の工程1と同様、出発酸として2,5−ジフルオロフェニル酢酸を使用する。標題生成物が白色固体の形態で得られる(収率=69%)。
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 2.55 (m, 2H), 2.71 (m, 2H), 3.94 (qu, 1H, J = 7.2 Hz), 5.32 (s, 1H), 7.12-7.23 (m, 2H), 7.41 (m, 1H), 12.48 (s, 1H)
実施例1に記載の工程2と同様。標題生成物が無色の油状物の形態で得られる(収率=91%)。
C11H8F2O2 (MW = 210)
1H-NMR (CDCl3, 400 MHz) δ (ppm): 2.77 (m, 2H), 2.98 (m, 2H), 5.01 (s, 1H), 6.93-7.08 (m, 3H)
SM-ESI: 228 (M+NH4+)
実施例1の工程3と同様。標題生成物が白色固体の形態で得られる(収率=100%)。
C15H19NO2F2 (MW = 283)
1H-NMR (CDCl3, 400 MHz) δ (ppm): 0.56 (t, 3H, J = 6.8 Hz), 1.09 (t, 3H, J = 6.8 Hz), 2.82 (m, 5H), 2.95 (q, 2H, J = 6.8 Hz), 3.31 (q, 2H, J = 6.8 Hz), 4.32 (qu, 1H, J = 7.2 Hz), 6.91-7.11 (m, 3H)
SM-ESI: 284 (MH+)
1に記載の工程4と同様。標題生成物が無色の油状物の形態で得られる(収率=76%)。
C15H18N4OF2 (MW = 308)
1H-NMR (CDCl3, 400 MHz) δ (ppm): 0.51 (t, 3H, J = 7.2 Hz), 1.10 (t, 3H, J = 7.2 Hz), 2.51 (m, 2H), 2.98 (q, 2H, J = 7.2 Hz), 3.19 (m, 2H), 3.32 (q, 2H, J = 7.2 Hz), 4.02 (qu, 1H, J = 8.0 Hz), 6.90-7.04 (m, 3H)
SM-ESI: 309 (MH+)
1当量の化合物(E8a)をフラスコに入れ、20容量のTHFに溶かす。窒素雰囲気下で撹拌した後、1容量の水および1.5当量のトリフェニルホスフィンを加える。一晩、撹拌を行う。減圧下でTHFを蒸発させ、得られた残渣を水にとり、DCMで2回抽出する。有機相をMgSO4で乾燥させ、濾過した後、減圧下で溶媒を蒸発させた。得られた油状物を、溶出剤として下記混合物:DCM/メタノール/NH4OH 95:4.5:0.5を用いてフラッシュクロマトグラフィーにより精製する。標題生成物が97%の収率で、無色の油状物の形態で得られる。
C15H20N2OF2 (MW = 282)
1H-NMR (CDCl3, 400 MHz) δ (ppm): 0.51 (t, 3H, J = 6.8 Hz), 1.10 (t, 3H, J = 6.8 Hz), 2.15 (m, 2H), 2.99 (q, 2H, J = 6.8 Hz), 3.16 (m, 2H), 3.32 (q, 2H, J = 6.8 Hz), 3.52 (qu, 1H, J = 8.0 Hz), 6.85-7.02 (m, 3H) このスペクトルにはNH2のHに相当するシグナルは見られない。
SM-ESI: 283 (MH+)
前記化合物のマレイン酸による塩化によって、白色粉末形態の標題化合物のマレイン酸塩が得られる。
Mp:184℃
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 0.31 (t, 3H, J = 6.8 Hz), 0.99 (t, 3H, J = 6.8 Hz), 2.58 (m, 2H), 2.93-2.97 (m, 4H), 3.20 (q, 2H, J = 6.8 Hz), 3.34 (s, 1H), 3.59 (qu, 1H, J = 8.4 Hz), 6.02 (s, 2H), 7.13-7.30 (m, 2H), 7.49-7.53 (m, 1H), 7.97 (s, 3H)
13C-NMR (DMSO d6, 100 MHz) δ (ppm): 12.04, 12.15, 36.08, 40.00, 40.61, 41.20, 43.48, 114.90, 117.2, 124.37, 132.1, 136.00, 154.6, 157.05, 157.13, 159.51, 167.12, 169.41
%理論値: C 57.28, H 6.07, N 7.03
%実測値 C: 57.21, H 6.01, N 6.66
工程1:シス−3−ヒドロキシ−1−(3,5−ジクロロフェニル)−シクロブタンカルボン酸(B9)
1に記載の工程1と同様、予め3,5−ジクロロフェニル酢酸を合成し、その後、それを出発酸として使用する。標題生成物が白色固体の形態で得られる(収率=50%)。
C11H10Cl2O3 (MW = 261)
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 2.53 (m, 2H), 2.77 (m, 2H), 3.87 (qu, 1H, J = 7.4 Hz), 5.23 (s, 1H), 7.38 (m, 2H), 7.51 (m, 1H), 12.62 (s, 1H)
SM-ESI: 259
実施例1に記載の工程2と同様。標題生成物が無色の油状物の形態で得られる(収率=87%)。
C11H8Cl2O2 (MW = 243)
1H-NMR (CDCl3, 400 MHz) δ (ppm): 2.72 (m, 2H), 2.88 (m, 2H), 4.99 (s, 1H), 7.21 (m, 2H), 7.34 (m, 1H)
SM-ESI: 244 (MH+)
実施例1の工程3と同様。標題生成物が白色固体の形態で得られる(収率=100%).
C15H19Cl2O2N (MW = 316)
1H-NMR (CDCl3, 400 MHz) δ (ppm): 0.77 (t, 3H, J = 7.2 Hz), 1.09 (t, 3H, J = 7.2 Hz), 2.58 (s, 1H), 2.75 (m, 4H), 2.88 (q, 2H, J = 7.2 Hz), 3.32 (q, 2H, J = 7.2 Hz), 4.34 (qu, 1H, J = 7.6 Hz), 7.20-7.27 (m, 3H)
SM-ESI: 316
1に記載の工程4と同様。標題生成物が無色の油状物の形態で得られる(収率=79%)。
C15H18N4OCl2 (MW = 341)
1H-NMR (CDCl3, 400 MHz) δ (ppm): 0.67 (t, 3H, J = 7.2 Hz), 1.12 (t, 3H, J = 7.2 Hz), 2.40 (m, 2H), 2.87 (q, 2H, J = 7.2 Hz), 3.15 (m, 2H), 3.36 (q, 2H, J = 7.2 Hz), 3.99 (qu, 1H, J = 7.6 Hz), 7.13 (m, 2H), 7.25 (m, 1H)
SM-ESI: 341
実施例9の工程5と同様。標題生成物が78%の収率で、無色の油状物の形態で得られる。
C15H20N2OClF (MW = 283)
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 0.58 (t, 3H, J = 7.2 Hz), 1.00 (t, 3H, J = 7.2 Hz), 1.90 (s, 2H), 2.07 (m, 2H), 2.85 (m, 4H), 3.11 (qu, 1H, J = 8.0 Hz), 3.25 (q, 2H, J = 7.2 Hz), 7.23 (m, 2H), 7.48 (m, 1H)
SM-ESI: 283
前記化合物のマレイン酸による塩化によって、白色粉末形態の標題化合物のマレイン酸塩が得られる。
Mp: 180℃
1H-NMR (DMSO d6, 400 MHz) δ (ppm): 0.57 (t, 3H, J = 6.8 Hz), 1.02 (t, 3H, J = 6.8 Hz), 2.58 (m, 2H), 2.85-2.96 (m, 4H), 3.28 (q, 2H, J = 6.8 Hz), 3.54 (qu, 1H, J = 8.4 Hz), 6.02 (s, 2H), 7.28 (s, 2H), 7.56 (s, 1H), 7.99 (s, 3H)
13C-NMR (DMSO d6, 100 MHz) δ (ppm): 11.96, 12.19, 36.83, 39.20, 41.10, 46.2, 124.03, 126.38, 134.50, 136.02, 146.66, 167.12, 170.04
%理論値: C 52.91, H 5.61, N 6.50
%実測値: C 53.01, H 5.53, N 6.11
−初期段階、ホルムアルデヒド注射の0〜5分後、侵害受容刺激の伝達に特化した受容体の刺激に相当;
−後期段階、注射20〜30分後に見られる。この段階は炎症性メディエーターによる受容体の刺激、および/または第一段階の間に誘導された後角の過興奮に相当する。従って、この後期段階は、グルタミン酸/NMDA系が主要な役割を果たす疼痛神経伝達系の中枢性感作を引き起こす。この結果として、第二段階の疼痛は、第一段階の間に生じる疼痛よりも典型的な神経因性疼痛となる。このため、本出願では、この後期段階で得られた結果のみを考慮に入れる。
(P振幅中央値−pP振幅中央値)×100/(P振幅中央値)
に従い、この試験セッションからのデータを用いて算出する。
Claims (15)
- X1が水素原子またはフッ素原子を表し;
X2が水素原子またはフッ素原子または塩素原子であり;
R1が水素原子またはフッ素原子または塩素原子またはメチル基またはメトキシ基またはシアノ基を表し;
R2がエチル基である、
請求項1に記載の化合物。 - 下記化合物:
トランス−3−アミノ−N,N−ジエチル−1−フェニルシクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジメチル−1−フェニルシクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジエチル−1−(2−フルオロフェニル)−シクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジエチル−1−(3−メトキシフェニル)−シクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジエチル−1−(3−フルオロフェニル)−シクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジエチル−1−(3−クロロフェニル)−シクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジエチル−1−(3−メチルフェニル)−シクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジエチル−1−(3−シアノフェニル)−シクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジエチル−1−(2−フルオロ−3−クロロフェニル)−シクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジエチル−1−(2,5−ジフルオロフェニル)−シクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジエチル−1−(3,5−ジフルオロフェニル)−シクロブタンカルボキサミド、
トランス−3−アミノ−N,N−ジエチル−1−(3,5−ジクロロフェニル)−シクロブタンカルボキサミド
の中から選択される、請求項1または2のいずれか一項に記載の化合物。 - 薬剤として使用するための、請求項1〜3のいずれか一項に記載の化合物。
- 鬱病の治療のための薬剤として使用するための、請求項1〜3のいずれか一項に記載の化合物。
- 疼痛、特に、痛覚過敏による疼痛、神経因性疼痛および混合性疼痛の治療のための薬剤として使用するための、請求項1〜3のいずれか一項に記載の化合物。
- 請求項1〜3のいずれか一項に記載の少なくとも1つの一般式(1)の化合物と、少なくとも1つの薬学上許容される賦形剤とを含んでなる、医薬組成物。
- 鬱病の治療および/または予防のための薬剤として使用するための、請求項7に記載の医薬組成物。
- 疼痛、特に、痛覚過敏による疼痛、神経因性疼痛および混合性疼痛の治療のための薬剤として使用するための、請求項7に記載の医薬組成物。
- 経口投与用に処方される、請求項7〜9のいずれか一項に記載の医薬組成物。
- 局所投与用に処方される、請求項7〜9のいずれか一項に記載の医薬組成物。
- 1〜1000mgの一般式(1)の化合物の一日用量単位の形態で提供される、請求項8〜11のいずれか一項に記載の医薬組成物。
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US11952344B2 (en) | 2019-09-25 | 2024-04-09 | Takeda Pharmaceutical Company Limited | Heterocyclic compound and use thereof |
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CN114269747B (zh) * | 2019-11-18 | 2023-04-18 | 苏州恩华生物医药科技有限公司 | 一种1’,2’-二氢-3’h-螺[环丁烷1,4’-异喹啉]-3’-酮衍生物及其应用 |
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