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Acetyl chloride → (+/-)-2-(3-Oxo-5-{[4-(1H-pyrazol-1-yl)phenyl]methyl}-3,5-dihydro-2H-pyrazolo[4,3-c]quinolin-2-yl)cyclohexyl acetate

HRID 341091
ノート
印刷プレビュー

反応式

HRID 341091 の反応式
[OH:1][C@@H:2]1[CH2:7][CH2:6][CH2:5][CH2:4][C@H:3]1[N:8]1[C:32](=[O:33])[C:11]2=[CH:12][N:13]([CH2:20][C:21]3[CH:26]=[CH:25][C:24]([N:27]4[CH:31]=[CH:30][CH:29]=[N:28]4)=[CH:23][CH:22]=3)[C:14]3[CH:15]=[CH:16][CH:17]=[CH:18][C:19]=3[C:10]2=[N:9]1.C(N(C(C)C)CC)(C)C.CC1C(C)=NC=CC=1N.[C:52](Cl)(=[O:54])[CH3:53]>ClCCl.O>[C:52]([O:1][CH:2]1[CH2:7][CH2:6][CH2:5][CH2:4][CH:3]1[N:8]1[C:32](=[O:33])[C:11]2=[CH:12][N:13]([CH2:20][C:21]3[CH:26]=[CH:25][C:24]([N:27]4[CH:31]=[CH:30][CH:29]=[N:28]4)=[CH:23][CH:22]=3)[C:14]3[CH:15]=[CH:16][CH:17]=[CH:18][C:19]=3[C:10]2=[N:9]1)(=[O:54])[CH3:53]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 6367Acetyl chloride2 回HCID 81531DiisopropylethylamineHCID 73304712,3-Dimethylpyridin-4-amineHCID 68154351(+/-)-2-(trans-2-Hydroxycyclohexyl)-5-{[4-(1H-pyrazol-1-yl)phenyl]methyl}-2,5-dihydro-3H-pyrazolo[4,3-c]quinolin-3-one

生成物 1

HCID 68153764(+/-)-2-(3-Oxo-5-{[4-(1H-pyrazol-1-yl)phenyl]methyl}-3,5-dihydro-2H-pyrazolo[4,3-c]quinolin-2-yl)cyclohexyl acetate

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 6344Dichloromethane溶媒

実験手順

(±)-2-(trans-2-Hydroxycyclohexyl)-5-{[4-(1H-pyrazol-1-yl)phenyl]methyl}-2,5-dihydro-3H-pyrazolo[4,3-c]quinolin-3-one (Example 508, 50 mg, 0.11 mmol) was dissolved in dichloromethane (2 ml) and treated sequentially with diisopropylethylamine (0.028 ml, 0.16 mmol, 1.4 equiv), dimethyl-4-aminopyridine (1.4 mg, 0.011 mmol, 0.1 equiv) and acetyl chloride (0.014 ml, 0.19 mmol, 1.7 equiv). After stirring for 20 minutes, additional acetyl chloride (0.014 ml, 0.19 mmol, 1.7 equiv) was added and the mixture was stirred for an additional 20 minutes. The mixture was poured into water (15 mL) and extracted with dichloromethane (2×15 mL). The organic extracts were washed once with hydrochloric acid (10 mL, 1 N aqueous) and sodium bicarbonate (10 mL, aqueous saturated), dried with sodium sulfate, filtered and concentrated in vacuo. The residue was purified by silica gel gradient chromatography (100:0 to 80:20; dichloromethane:methanol), providing the titled compound: 1H-NMR (400 MHz, CDCl3) δ 8.38 (1H, dd, J=6.1, 3.4 Hz), 8.36 (1H, s), 7.90 (1H, d, J=2.4 Hz), 7.72-7.70 (3H, m), 7.46-7.42 (2H, m), 7.39-7.36 (1H, m), 7.29-7.26, (2H, m), 6.47 (1H, dd, J=2.2, 1.9 Hz), 5.47 (1H, d, J=16.7 Hz), 5.42 (1H, d, J=16.2 Hz), 5.32-5.26 (1H, m), 4.56-4.49 (1H, m), 216-2.19 (2H, m), 2.13-1.99 (2H, m), 1.87 (3H, s), 1.89-1.81 (2H, m), 1.54-1.47 (2H, m) ppm; high resolution mass spectrometry (ES+) m/z 482.2202 [(M+H)+; calculated for C28H28N5O3: 482.2187].

後処理

  1. stirringthe mixture was stirred for an additional 20 minutes
  2. extractionextracted with dichloromethane (2×15 mL)
  3. washThe organic extracts were washed once with hydrochloric acid (10 mL, 1 N aqueous) and sodium bicarbonate (10 mL, aqueous saturated)
  4. dry with materialdried with sodium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo
  7. customThe residue was purified by silica gel gradient chromatography (100:0 to 80:20; dichloromethane:methanol)

出典と根拠

ORDレコード
ord-293eb4a328fc45f5ad255fd482908acb
出典データセット
uspto-grants-2014_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08895580B2

反応ノート

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このページの内容参加物実験手順後処理出典と根拠反応ノート