JP6642422B2 - 環状アミン誘導体及びその医薬用途 - Google Patents
環状アミン誘導体及びその医薬用途 Download PDFInfo
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- JP6642422B2 JP6642422B2 JP2016520700A JP2016520700A JP6642422B2 JP 6642422 B2 JP6642422 B2 JP 6642422B2 JP 2016520700 A JP2016520700 A JP 2016520700A JP 2016520700 A JP2016520700 A JP 2016520700A JP 6642422 B2 JP6642422 B2 JP 6642422B2
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- Prior art keywords
- imidazol
- oxopropyl
- mmol
- reaction
- compound
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- -1 Cyclic amine Chemical class 0.000 title claims description 137
- 150000001875 compounds Chemical class 0.000 claims description 131
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- 208000001640 Fibromyalgia Diseases 0.000 claims description 44
- 239000003814 drug Substances 0.000 claims description 29
- 208000004296 neuralgia Diseases 0.000 claims description 28
- 208000021722 neuropathic pain Diseases 0.000 claims description 27
- 230000000202 analgesic effect Effects 0.000 claims description 23
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Natural products CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
- 239000004480 active ingredient Substances 0.000 claims description 12
- 125000004432 carbon atom Chemical group C* 0.000 claims description 12
- 229940124597 therapeutic agent Drugs 0.000 claims description 10
- PGMYKACGEOXYJE-UHFFFAOYSA-N anhydrous amyl acetate Natural products CCCCCOC(C)=O PGMYKACGEOXYJE-UHFFFAOYSA-N 0.000 claims description 9
- ITTZZYNDHJNDHD-UHFFFAOYSA-N N1(CCOCC1)C1CCN(CC1)C(CCC=1N(C=CN=1)CC(=O)O)=O Chemical compound N1(CCOCC1)C1CCN(CC1)C(CCC=1N(C=CN=1)CC(=O)O)=O ITTZZYNDHJNDHD-UHFFFAOYSA-N 0.000 claims description 8
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 8
- YLYBTZIQSIBWLI-UHFFFAOYSA-N octyl acetate Chemical compound CCCCCCCCOC(C)=O YLYBTZIQSIBWLI-UHFFFAOYSA-N 0.000 claims description 7
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 229930195734 saturated hydrocarbon Natural products 0.000 claims description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- 239000000243 solution Substances 0.000 description 105
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 96
- 238000006243 chemical reaction Methods 0.000 description 87
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- 208000002193 Pain Diseases 0.000 description 37
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- 230000036961 partial effect Effects 0.000 description 33
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 32
- 230000015572 biosynthetic process Effects 0.000 description 32
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- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 24
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- 239000002585 base Substances 0.000 description 24
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- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 22
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- 241000699666 Mus <mouse, genus> Species 0.000 description 15
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- 229920006395 saturated elastomer Polymers 0.000 description 13
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 12
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- 125000006239 protecting group Chemical group 0.000 description 9
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 9
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 8
- 210000003141 lower extremity Anatomy 0.000 description 8
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 8
- 230000035484 reaction time Effects 0.000 description 8
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 7
- ZCZSIDMEHXZRLG-UHFFFAOYSA-N acetic acid heptyl ester Natural products CCCCCCCOC(C)=O ZCZSIDMEHXZRLG-UHFFFAOYSA-N 0.000 description 7
- 150000002170 ethers Chemical class 0.000 description 7
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 7
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 7
- 230000001225 therapeutic effect Effects 0.000 description 7
- 208000004454 Hyperalgesia Diseases 0.000 description 6
- 241000699670 Mus sp. Species 0.000 description 6
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 description 6
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 6
- 206010053552 allodynia Diseases 0.000 description 6
- 150000004982 aromatic amines Chemical class 0.000 description 6
- 229940079593 drug Drugs 0.000 description 6
- AOGQPLXWSUTHQB-UHFFFAOYSA-N hexyl acetic acid ester Natural products CCCCCCOC(C)=O AOGQPLXWSUTHQB-UHFFFAOYSA-N 0.000 description 6
- 238000006460 hydrolysis reaction Methods 0.000 description 6
- 125000002962 imidazol-1-yl group Chemical group [*]N1C([H])=NC([H])=C1[H] 0.000 description 6
- 239000000546 pharmaceutical excipient Substances 0.000 description 6
- 239000002504 physiological saline solution Substances 0.000 description 6
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 6
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- 238000006722 reduction reaction Methods 0.000 description 6
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- 229910000104 sodium hydride Inorganic materials 0.000 description 6
- FIPDQBOWHVFQQT-LBPRGKRZSA-N CN(C)[C@H]1CCN(C1)C(=O)CCC1=NC=CN1CCC(O)=O Chemical compound CN(C)[C@H]1CCN(C1)C(=O)CCC1=NC=CN1CCC(O)=O FIPDQBOWHVFQQT-LBPRGKRZSA-N 0.000 description 5
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- 125000000217 alkyl group Chemical group 0.000 description 5
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- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 5
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- QUWNNIHUUTUXKV-UHFFFAOYSA-N 3-[1-(3-ethoxy-3-oxopropyl)imidazol-2-yl]propanoic acid Chemical compound C(C)OC(CCN1C(=NC=C1)CCC(=O)O)=O QUWNNIHUUTUXKV-UHFFFAOYSA-N 0.000 description 4
- HJBLUNHMOKFZQX-UHFFFAOYSA-N 3-hydroxy-1,2,3-benzotriazin-4-one Chemical compound C1=CC=C2C(=O)N(O)N=NC2=C1 HJBLUNHMOKFZQX-UHFFFAOYSA-N 0.000 description 4
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- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000002221 trityl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C([*])(C1=C(C(=C(C(=C1[H])[H])[H])[H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 238000011870 unpaired t-test Methods 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
- 231100000889 vertigo Toxicity 0.000 description 1
- 230000008673 vomiting Effects 0.000 description 1
- 229950000339 xinafoate Drugs 0.000 description 1
- 239000000811 xylitol Substances 0.000 description 1
- 235000010447 xylitol Nutrition 0.000 description 1
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 description 1
- 229960002675 xylitol Drugs 0.000 description 1
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- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
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- A61K31/4025—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil not condensed and containing further heterocyclic rings, e.g. cromakalim
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Description
環状アミン誘導体(I)は、例えば、塩基存在下又は非存在下、化合物(III)と化合物(IV)とを縮合剤を用いて縮合反応することにより得られる。
環状アミン誘導体(I)の薬理学的に許容される塩は、例えば、環状アミン誘導体(I)と酸とを混合することによる塩化反応により得られる。
化合物(VII)は、塩基存在下又は非存在下、化合物(V)と化合物(VI)とを縮合剤を用いて縮合反応することにより得られる。
化合物(III)は、塩基存在下、化合物(VII)の加水分解反応により得られる。
化合物(IX)は、塩基存在下又は非存在下、化合物(VIII)とオレフィン化試薬を用いてオレフィン化反応することにより得られる。
化合物(X)は、化合物(IX)の塩基による脱プロトン化後にアルキル化試薬(LI)を作用させるアルキル化反応により得られる。
化合物(XI)は、化合物(VIII)の塩基による脱プロトン化後にアルキル化試薬(LI)を作用させるアルキル化反応により得られる。
化合物(X)は、塩基存在下又は非存在下、化合物(XI)とオレフィン化試薬を用いてオレフィン化反応することにより得られる。
化合物(VI)は、化合物(X)に対し、水素雰囲気下で遷移金属触媒を用いる還元反応により得られる。
化合物(XIV)は、化合物(XII)と化合物(XIII)との還元的アミノ化反応により得られる。
化合物(V)のうち、Aが一般式(IIb)で示される基を表す化合物(Va)は、化合物(XIV)の脱保護により得られる。
1H-NMR (400 MHz, CDCl3) δ: 5.25 (2H, s), 6.62 (1H, d, J=15.6 Hz), 7.14-7.23(2H, m), 7.28-7.43 (5H, m), 7.57 (1H, d, J=16.0 Hz).
ESI-MS: m/z= 229 (M+H)+.
1H-NMR (400 MHz, CDCl3) δ: 1.23 (3H, t, J=7.2 Hz), 2.76 (2H, t, J=7.2 Hz), 4.13 (2H, q, J=7.2 Hz), 4.35 (2H, t, J=7.2 Hz), 5.26 (2H, s), 6.91 (1H, d, J=15.6 Hz), 7.06 (1H, brs), 7.15 (1H, brs), 7.30-7.42 (5H, m), 7.55 (1H, d, J=15.6 Hz).
ESI-MS: m/z= 329 (M+H)+.
1H-NMR (400 MHz, CDCl3) δ:1.23-1.27 (3H, m), 1.67-1.91 (1H, m), 2.06-2.26 (7H, m), 2.58-3.36 (9H, m), 3.43-3.83 (2H, m), 4.12-4.28 (4H, m), 6.85-6.93 (2H, m).
ESI-MS: m/z= 337 (M+H)+.
1H-NMR (400 MHz, CD3OD) δ: 1.95-2.50 (3H, m), 2.74-3.10 (11H, m), 3.54-4.46 (7H, m), 7.27-7.32 (1H, m), 7.42-7.46 (1H, m).
ESI-MS: 309 (M+H)+.
1H-NMR (400 MHz, CDCl3) δ: 1.34 (2H, dd, J=12.0, 4.0 Hz), 1.40 (2H, dd, J=12.0, 4.0 Hz), 1.85 (2H, d, J=12.4 Hz), 2.28 (1H, tt, J=11.2, 4.0 Hz), 3.53-3.63 (6H, m), 3.15 (2H, d, J=12.4 Hz), 3.73 (4H, t, J=4.4 Hz).
ESI-MS: m/z= 171 (M+H)+
1H-NMR (400 MHz, CDCl3) δ: 1.29 (3H, t, J=7.2 Hz), 4.25 (2H, q, J=7.2 Hz), 5.14 (2H, s), 7.15 (1H, brs), 7.33 (1H, s), 9.79-9.91 (1H, m).
ESI-MS: m/z= 183 (M+H)+.
1H-NMR (400 MHz, CDCl3) δ: 1.28 (3H, t, J=7.2 Hz), 4.24 (2H, q, J=7.2 Hz), 4.77 (2H, s), 5.25 (2H, s), 6.92 (1H, d, J=15.6 Hz), 7.02 (1H, brs), 7.21 (1H, brs), 7.28-7.45 (6H, m).
ESI-MS: m/z= 315 (M+H)+.
1H-NMR (400 MHz, CDCl3) δ: 1.29 (3H, t, J=7.2 Hz), 1.30-1.45 (2H, m), 1.81-1.92 (2H, m), 2.39 (1H, tt, J=10.8, 3.6 Hz), 2.53 (4H, t, J=4.8 Hz), 2.59 (1H, td, J=13.2, 2.8 Hz), 2.91 (4H, s), 3.01 (1H, td, J=13.2, 2.8 Hz), 3.71 (4H, t, J=4.8 Hz), 3.97-4.04 (1H, m), 4.23 (2H, q, J=7.2 Hz), 4.54-4.62 (1H, m), 4.75 (2H, s), 6.82 (1H, d, J=1.6 Hz), 6.96 (1H, d, J=1.6 Hz).
ESI-MS: m/z= 379 (M+H)+.
1H-NMR (400 MHz, CD3OD) δ: 1.44-1.76 (2H, m), 2.07-2.18 (2H, m), 2.57-2.70 (1H, m), 2.82-3.00 (2H, m), 3.05-3.35 (8H, m), 3.84-4.07 (5H, m), 4.59-4.68 (1H, m), 4.76-4.90 (2H, m), 7.35-7.43 (2H, m).
ESI-MS: 351 (M+H)+.
1H-NMR (400 MHz, CDCl3) δ: 0.92 (3H, t, J=7.2 Hz), 1.28-1.40 (2H, m), 1.54-1.85 (1H, m), 2.05-2.28 (8H, m), 2.56-3.53 (10H, m), 3.63-3.85 (2H, m), 4.08 (2H, t, J=7.2 Hz), 4.22-4.27 (2H, m), 6.85-6.95 (2H, m).
ESI-MS: m/z= 365 (M+H)+.
1H-NMR (400 MHz, D2O) δ: 0.86 (3H, t, J=7.6 Hz), 1.22-1.36 (2H, m), 1.53-1.62 (2H, m), 2.07-2.35 (1H, m), 2.45-2.63 (1H, m), 2.99-3.07 (10H, m), 3.25-4.14 (9H, m), 4.45-4.52 (2H, m), 7.34-7.37 (1H, m), 7.41-7.44 (1H, m).
ESI-MS: (S)−3−(2−(3−(3−(ジメチルアミノ)ピロリジン−1−イル)−3−オキソプロピル)−1H−イミダゾール−1−イル)プロパン酸n−ブチルとして: m/z= 365 (M+H)+.
1H-NMR (400 MHz, CDCl3) δ: 0.82-0.92 (3H, m), 1.22-1.38 (8H, m), 1.65-1.92 (1H, m), 2.05-2.27 (7H, m), 2.55-3.52 (9H, m), 3.62-3.85 (2H, m), 4.07 (2H, t, J=7.2 Hz), 4.22-4.28 (2H, m), 6.83-6.86 (1H, m), 6.89-6.92 (1H, m).
ESI-MS: m/z= 393 (M+H)+.
1H-NMR (400 MHz, D2O) δ: 0.80-0.88 (3H, m), 1.20-1.40 (6H, m), 1.53-1.63 (2H, m), 2.05-2.32 (1H, m), 2.42-2.61 (1H, m), 2.89-3.04 (10H, m), 3.20-3.27 (2H, m), 3.38-4.15 (7H, m), 4.44 (2H, t, J=6.4 Hz), 7.23-7.38 (2H, m).
ESI-MS: (S)−3−(2−(3−(3−(ジメチルアミノ)ピロリジン−1−イル)−3−オキソプロピル)−1H−イミダゾール−1−イル)プロパン酸n−ヘキシルとして: m/z= 393 (M+H)+.
1H-NMR (400 MHz, CDCl3) δ: 0.85-0.92 (3H, m), 1.22-1.34 (8H, m), 1.58-1.90 (4H, m), 2.04-2.27 (7H, m), 2.56-3.52 (8H, m), 3.63-3.85 (2H, m), 4.07 (2H, t, J=6.8 Hz), 4.22-4.28 (2H, m), 6.84-6.86 (1H, m), 6.90-6.92 (1H, m).
ESI-MS: m/z= 407 (M+H)+.
1H-NMR (400 MHz, D2O) δ: 0.82-0.90 (3H, m), 1.18-1.30 (8H, m), 1.54-1.65 (2H, m), 2.05-2.35 (1H, m), 2.45-2.64 (1H, m), 2.92-2.98 (8H, m), 3.01-3.08 (2H, m), 3.26-3.34 (2H, m), 3.39-4.16 (7H, m), 4.45-4.52 (2H, m), 7.30-7.45 (2H, m).
ESI-MS: (S)−3−(2−(3−(3−(ジメチルアミノ)ピロリジン−1−イル)−3−オキソプロピル)−1H−イミダゾール−1−イル)プロパン酸n−ヘプチルとして: m/z= 407 (M+H)+.
1H-NMR (400 MHz, CDCl3) δ: 0.84-0.92 (3H, m), 1.20-1.36 (10H, m), 1.55-1.90 (2H, m), 2.02-2.18 (2H, m), 2.26 (6H, s), 2.57-3.85 (11H, m), 4.07 (2H, t, J=6.8 Hz), 4.20-4.27 (2H, m), 6.82-6.92 (2H, m).
ESI-MS: m/z= 421 (M+H)+.
1H-NMR (400 MHz, D2O) δ: 0.84 (3H, t, J=6.8 Hz), 1.18-1.35 (10H, m), 1.52-1.62 (2H, m), 2.04-2.30 (1H, m), 2.40-2.60 (1H, m), 2.84-2.94 (8H, m), 2.97-3.04 (2H, m), 3.17-3.27 (2H, m), 3.36-4.14 (7H, m), 4.39-4.46 (2H, m), 7.20-7.38 (2H, m).
ESI-MS: (S)−3−(2−(3−(3−(ジメチルアミノ)ピロリジン−1−イル)−3−オキソプロピル)−1H−イミダゾール−1−イル)プロパン酸n−オクチルとして: m/z= 421 (M+H)+.
1H-NMR (400 MHz, CDCl3) δ: 0.90-0.98 (3H, m), 1.29-1.48 (2H, m), 1.54-1.72 (4H, m), 2.34-2.65 (6H, m), 2.88-3.05 (5H, m), 3.68-3.76 (4H, m), 3.95-4.05 (1H, m), 4.10-4.14 (2H, m), 4.54-4.64 (1H, m), 4.76 (2H, s), 6.81-6.83 (1H, m), 6.96-6.98 (1H, m).
ESI-MS: m/z= 393 (M+H)+.
1H-NMR (400 MHz, D2O) δ: 0.85-0.95 (3H, m), 1.48-1.73 (4H, m), 2.17-2.27 (2H, m), 2.65-2.75 (1H, m), 2.96-3.04 (2H, m), 3.10-4.12 (13H, m), 4.18-4.24 (2H, m), 4.47-4.57 (1H, m), 5.17 (2H, s), 7.35-7.37 (2H, m).
ESI-MS: 2−(2−(3−(4−モルホリノピペリジン−1−イル)−3−オキソプロピル)−1H−イミダゾール−1−イル)酢酸n−プロピルとして: m/z= 393 (M+H)+.
1H-NMR (400 MHz, CDCl3) δ: 0.93 (3H, t, J=7.6 Hz), 1.23-1.66 (6H, m), 1.80-1.90 (2H, m), 2.34-2.44 (1H, m), 2.50-2.64 (5H, m), 2.89-3.05 (5H, m), 3.68-3.74 (4H, m), 3.96-4.04 (1H, m), 4.08-4.19 (2H, m), 4.53-4.61 (1H, m), 4.75 (2H, s), 6.80-6.82 (1H, m), 6.91-6.93 (1H, m).
ESI-MS: m/z= 407 (M+H)+.
1H-NMR (400 MHz, D2O) δ: 0.85-0.93 (3H, m), 1.28-1.40 (2H, m), 1.50-1.76 (4H, m), 2.19-2.29 (2H, m), 2.67-2.77 (1H, m), 2.98-3.04 (2H, m), 3.12-3.60 (8H, m), 3.75-4.20 (5H, m), 4.23-4.30 (2H, m), 4.48-4.58 (1H, m), 5.19 (2H, m), 7.38-7.43 (2H, m).
ESI-MS: 2−(2−(3−(4−モルホリノピペリジン−1−イル)−3−オキソプロピル)−1H−イミダゾール−1−イル)酢酸n−ブチルとして: m/z= 407 (M+H)+.
1H-NMR (400 MHz, CDCl3) δ: 0.85-0.94 (3H, m), 1.22-1.45 (6H, m), 1.55-1.68 (2H, m), 1.80-1.90 (2H, m), 2.34-2.44 (1H, m), 2.48-2.65 (5H, m), 2.88-3.05 (5H, m), 3.67-3.74 (4H, m), 3.95-4.05 (1H, m), 4.13-4.18 (2H, m), 4.52-4.62 (1H, m), 4.75 (2H, s), 6.80-6.83 (1H, m), 6.95-6.98 (1H, m).
ESI-MS: m/z= 421 (M+H)+.
1H-NMR (400 MHz, D2O) δ: 0.83-0.88 (3H, m), 1.25-1.33 (4H, m), 1.45-1.72 (4H, m), 2.15-2.25 (2H, m), 2.65-2.75 (1H, m), 2.95-3.02 (2H, m), 3.12-4.13 (13H, m), 4.20-4.26 (2H, m), 4.48-4.56 (1H, m), 5.15 (2H, s), 7.30-7.35 (2H, m).
ESI-MS: 2−(2−(3−(4−モルホリノピペリジン−1−イル)−3−オキソプロピル)−1H−イミダゾール−1−イル)酢酸n−ペンチルとして: m/z= 421 (M+H)+.
1H-NMR (400 MHz, CDCl3) δ: 0.85-0.93 (3H, m), 1.24-1.45 (8H, m), 1.58-1.64 (2H, m), 1.80-1.91 (2H, m), 2.38-2.44 (1H, m), 2.50-2.64 (5H, m), 2.89-3.05 (5H, m), 3.68-3.74 (4H, m), 3.95-4.04 (1H, m), 4.12-4.18 (2H, m), 4.53-4.60 (1H, m), 4.75 (2H, s), 6.80-6.82 (1H, m), 6.95-6.97 (1H, m).
ESI-MS: m/z= 435 (M+H)+.
1H-NMR (400 MHz, D2O) δ: 0.84 (3H, t, J=6.4 Hz), 1.23-1.35 (6H, m), 1.50-1.75 (4H, m), 2.18-2.30 (2H, m), 2.67-2.76 (1H, m), 2.98-3.05 (2H, m), 3.13-3.63 (8H, m), 3.74-4.28 (7H, m), 4.48-4.57 (1H, m), 5.17-5.22 (2H, m), 7.37-7.42 (2H, m).
ESI-MS: 2−(2−(3−(4−モルホリノピペリジン−1−イル)−3−オキソプロピル)−1H−イミダゾール−1−イル)酢酸n−ヘキシルとして: m/z= 435 (M+H)+.
1H-NMR (400 MHz, CDCl3) δ: 0.86-0.92 (3H, m), 1.20-1.46 (10H, m), 1.55-1.65 (2H, m), 1.80-1.91 (2H, m), 2.34-2.44 (1H, m), 2.48-2.64 (5H, m), 2.89-2.92 (4H, m), 2.96-3.04 (1H, m), 3.68-3.73 (4H, m), 3.96-4.04 (1H, m), 4.15 (2H, t, J=6.8 Hz), 4.53-4.61 (1H, m), 4.75 (2H, s), 6.80-6.82 (1H, m), 6.95-6.97 (1H, m).
ESI-MS: m/z= 449 (M+H)+.
1H-NMR (400 MHz, D2O) δ: 0.82-0.88 (3H, m), 1.20-1.34 (8H, m), 1.46-1.70 (4H, m), 2.15-2.26 (2H, m), 2.65-2.75 (1H, m), 2.94-3.02 (2H, m), 3.10-4.12 (13H, m), 4.24 (2H, t, J=6.4 Hz), 4.47-4.66 (1H, m), 5.12 (2H, s), 7.26-7.34 (2H, m).
ESI-MS: 2−(2−(3−(4−モルホリノピペリジン−1−イル)−3−オキソプロピル)−1H−イミダゾール−1−イル)酢酸n−ヘプチルとして: m/z= 449 (M+H)+.
1H-NMR (400 MHz, CDCl3) δ: 0.84-0.92 (3H, m), 1.20-1.45 (12H, m), 1.55-1.65 (2H, m), 1.80-1.92 (2H, m), 2.32-2.44 (1H, m), 2.49-2.64 (5H, m), 2.87-3.05 (5H, m), 3.66-3.74 (4H, m), 3.94-4.05 (1H, m), 4.15 (2H, t, J=6.8 Hz), 4.53-4.63 (1H, m), 4.75 (2H, s), 6.80-6.84 (1H, m), 6.94-6.98 (1H, m).
ESI-MS: m/z= 463 (M+H)+.
1H-NMR (400 MHz, D2O) δ: 0.85 (3H, t, J=6.8 Hz), 1.20-1.35 (10H, m), 1.52-1.77 (4H, m), 2.18-2.30 (2H, m), 2.67-2.76 (1H, m), 2.97-3.05 (2H, m), 3.13-3.59 (8H, m), 3.74-4.28 (7H, m), 4.48-4.67 (1H, m), 5.20 (2H, s), 7.38-7.42 (2H, m).
ESI-MS: 2−(2−(3−(4−モルホリノピペリジン−1−イル)−3−オキソプロピル)−1H−イミダゾール−1−イル)酢酸n−オクチルとして: m/z= 463 (M+H)+.
神経障害性疼痛を評価できるマウス坐骨神経部分結紮モデル(Seltzerモデル)を用い、環状アミン誘導体(I)又はその薬理学的に許容される塩の鎮痛作用を検討した。
マウス坐骨神経部分結紮モデルは、Seltzerらの方法(Malmbergら、Pain、1998年、第76巻、p.215−222)に従って作製した。
結果を図1〜9に示す。図において、縦軸はvon Frey試験の総スコア(平均値±標準誤差;図1〜9は、n=5〜6である。)を示し、数値が高いほど痛みが強いことを示す。横軸には被験化合物投与後の時間(hr)を示す。薬効評価は、測定時間毎の「坐骨神経部分結紮+蒸留水」群(図中の「坐骨神経部分結紮+蒸留水」)を対照として、対応のない2群のWelch検定又はShirley−Williams検定により統計処理を行った。図中の§印又は♯印は、「坐骨神経部分結紮+蒸留水」群との比較で統計学的に有意である(§:Welch検定(p<0.05)、♯:Shirley−Williams検定(p<0.025))ことを示す。
線維筋痛症を評価できるラット線維筋痛症モデルを用い、環状アミン誘導体(I)又はその薬理学的に許容される塩の鎮痛作用を検討した。
線維筋痛症の基礎研究において一般に広く用いられる線維筋痛症モデルラット(Slukaら、Journal of Pharmacology and Experimental Therapeutics、2002年、第302巻、p.1146−1150;Nagakuraら、Pain、2009年、第146巻、p.26−33;Slukaら、Pain、2009年、第146巻、p.3−4)を作製するために、pH4.0に調整した酸性生理食塩液100μLをイソフルラン持続吸入麻酔下のCrl:CD(SD)ラット(6〜7週齢、オス;日本チャールス・リバー)の右側後肢腓腹筋に2回(酸性生理食塩液の初回投与日を1日目として、1日目と6日目にそれぞれ1回ずつ)筋肉内注射し、室内温度21〜25℃、室内湿度40〜70%に調節された飼育室で、自由摂餌・摂水させながら飼育した。また、酸性生理食塩液の代わりに生理食塩液を同様に筋肉内注射して飼育した線維筋痛症が発症していないラット(図10又は11の「生理食塩液+蒸留水」群)を実験に使用した。
結果を図10又は11に示す。図において、縦軸は50%反応閾値(右側後肢と左側後肢の平均値)(g)(平均値±標準誤差、n=4〜6)を示し、数値が高いほど線維筋痛症モデルラットにおいて認められたアロディニアが改善されていることを示す。
Claims (6)
- 一般式(I)で示される環状アミン誘導体は、2−(2−(3−(4−モルホリノピペリジン−1−イル)−3−オキソプロピル)−1H−イミダゾール−1−イル)酢酸n−プロピル、2−(2−(3−(4−モルホリノピペリジン−1−イル)−3−オキソプロピル)−1H−イミダゾール−1−イル)酢酸n−ブチル、2−(2−(3−(4−モルホリノピペリジン−1−イル)−3−オキソプロピル)−1H−イミダゾール−1−イル)酢酸n−ペンチル、2−(2−(3−(4−モルホリノピペリジン−1−イル)−3−オキソプロピル)−1H−イミダゾール−1−イル)酢酸n−ヘキシル、2−(2−(3−(4−モルホリノピペリジン−1−イル)−3−オキソプロピル)−1H−イミダゾール−1−イル)酢酸n−ヘプチル及び2−(2−(3−(4−モルホリノピペリジン−1−イル)−3−オキソプロピル)−1H−イミダゾール−1−イル)酢酸n−オクチルからなる群から選択される化合物である、請求項1記載の環状アミン誘導体又はその薬理学的に許容される塩。
- 請求項1又は2記載の環状アミン誘導体又はその薬理学的に許容される塩を有効成分として含有する、医薬。
- 請求項1又は2記載の環状アミン誘導体又はその薬理学的に許容される塩を有効成分として含有する、鎮痛薬。
- 請求項1又は2記載の環状アミン誘導体又はその薬理学的に許容される塩を有効成分として含有する、神経障害性疼痛治療薬。
- 請求項1又は2記載の環状アミン誘導体又はその薬理学的に許容される塩を有効成分として含有する、線維筋痛症治療薬。
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