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Dichloromethane → 2-(1-(4-amino-3-(3-methyl-1H-indazol-5-yl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)ethyl)-3-(3-fluorophenyl)-4H-chromen-4-one

HRID 239689
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HRID 239689 반응식
[NH2:1][C:2]1[N:7]=[CH:6][N:5]=[C:4]2[N:8]([CH:12]([C:14]3[O:15][C:16]4[C:21]([C:22](=[O:31])[C:23]=3[C:24]3[CH:29]=[CH:28][CH:27]=[C:26]([F:30])[CH:25]=3)=[CH:20][CH:19]=[CH:18][CH:17]=4)[CH3:13])[N:9]=[C:10](I)[C:3]=12.[NH:32]1[C:40]2[C:35](=[CH:36][C:37](B3OC(C)(C)C(C)(C)O3)=[CH:38][CH:39]=2)[CH:34]=[N:33]1.[C:50](=O)([O-])[O-].[Na+].[Na+].ClCCl>CN(C=O)C.C(O)C.O>[NH2:1][C:2]1[N:7]=[CH:6][N:5]=[C:4]2[N:8]([CH:12]([C:14]3[O:15][C:16]4[C:21]([C:22](=[O:31])[C:23]=3[C:24]3[CH:29]=[CH:28][CH:27]=[C:26]([F:30])[CH:25]=3)=[CH:20][CH:19]=[CH:18][CH:17]=4)[CH3:13])[N:9]=[C:10]([C:37]3[CH:36]=[C:35]4[C:40](=[CH:39][CH:38]=3)[NH:32][N:33]=[C:34]4[CH3:50])[C:3]=12
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8

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HCID 6344DichloromethaneHCID 10340Sodium CarbonateHCID 177504691H-Indazole-5-boronic acid pinacol esterHCID 665799322-(1-(4-amino-3-iodo-1H-pyrazolo[3,4-d]pyrimidin-1-yl)ethyl)-3-(3-fluorophenyl)-4H-chromen-4-one

생성물 1

HCID 1784342582-(1-(4-amino-3-(3-methyl-1H-indazol-5-yl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)ethyl)-3-(3-fluorophenyl)-4H-chromen-4-one
수율 14.2%

시약·촉매·용매 3

HCID 702Ethanol용매HCID 962Water용매HCID 6228Dimethylformamide용매

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온도
80 °C

실험 절차

To a solution of Example 57c (0.350 g, 0.663 mmoles) in DMF (4 ml), ethanol (2 ml) and water (2 ml), N-Boc-3-methyl, 5-indazoleboronic acid pinacol ester (0.356 g, 0.994 mmoles) and sodium carbonate (0.210 g, 0.98 mmoles) were added and the system is degassed for 30 min. Tetrakistriphenylphosphine Palladium (0.038 g, 0.033 mmoles) was added under nitrogen atmosphere and heated to 80° C. After 12 h, the reaction mixture was celite filtered, concentrated and extracted with ethyl acetate. The organic layer was dried over sodium sulphate and concentrated under reduced pressure. The crude product was purified by column chromatography with methanol: dichloromethane to afford the title compound as pale brown solid (0.050 g, 14% yield). MP: 254-256° C. 1H-NMR (δ ppm, DMSO-d6, 400 MHz): δ 12.79(s,1H), 8.07(s,1H), 8.04(dd, J=8.0,1.6 Hz, 1H), 7.87(s,1H), 7.85(m,1H), 7.69(d, J=8.3 Hz, 1H), 7.60-7.49(m,3H), 7.29(br s,1H), 7.07(dt, J=8.6,2.3 Hz, 1H), 6.93(br s, 2H), 6.05(q, J=7.1 Hz, 1H),2.51(s,3H), 1.91(d, J=7.0 Hz, 3H). Mass: 532.03(M++1).

후처리

  1. customthe system is degassed for 30 min
  2. concentrationconcentrated
  3. extractionextracted with ethyl acetate
  4. dry with materialThe organic layer was dried over sodium sulphate
  5. concentrationconcentrated under reduced pressure
  6. customThe crude product was purified by column chromatography with methanol

출처 및 근거

ORD 기록
ord-3ea36d5850774caa986883e604312a07
출처 데이터셋
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08642607B2

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