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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
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HRID 341091 반응식
[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]
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참가 물질

7

반응물 4

HCID 6367Acetyl chloride2회HCID 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

생성물 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

시약·촉매·용매 2

HCID 962Water용매HCID 6344Dichloromethane용매

실험 절차

(±)-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].

후처리

  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)

출처 및 근거

ORD 기록
ord-293eb4a328fc45f5ad255fd482908acb
출처 데이터셋
uspto-grants-2014_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08895580B2

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