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Cesium carbonate → N-{6-[2-(2,6-Dichlorophenyl)-7-fluoro-2H-pyrazolo[4,3-c]pyridin-4-ylamino]-pyrimidin-4-yl}-acetamide

HRID 626749
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HRID 626749 반응식
Br[C:2]1[C:7]2=[CH:8][N:9]([C:11]3[C:16]([Cl:17])=[CH:15][CH:14]=[CH:13][C:12]=3[Cl:18])[N:10]=[C:6]2[C:5]([F:19])=[CH:4][N:3]=1.[NH2:20][C:21]1[N:26]=[CH:25][N:24]=[C:23]([NH:27][C:28](=[O:30])[CH3:29])[CH:22]=1.CC1(C)C2C(=C(P(C3C=CC=CC=3)C3C=CC=CC=3)C=CC=2)OC2C(P(C3C=CC=CC=3)C3C=CC=CC=3)=CC=CC1=2.C(=O)([O-])[O-].[Cs+].[Cs+]>O1CCOCC1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[Cl:18][C:12]1[CH:13]=[CH:14][CH:15]=[C:16]([Cl:17])[C:11]=1[N:9]1[CH:8]=[C:7]2[C:2]([NH:20][C:21]3[N:26]=[CH:25][N:24]=[C:23]([NH:27][C:28](=[O:30])[CH3:29])[CH:22]=3)=[N:3][CH:4]=[C:5]([F:19])[C:6]2=[N:10]1
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참가 물질

7

반응물 4

HCID 10796Cesium carbonateHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 3031498N-(6-aminopyrimidin-4-yl)acetamideHCID 866970564-Bromo-2-(2,6-dichlorophenyl)-7-fluoro-2H-pyrazolo[4,3-c]pyridine

생성물 1

HCID 69671310N-{6-[2-(2,6-Dichlorophenyl)-7-fluoro-2H-pyrazolo[4,3-c]pyridin-4-ylamino]-pyrimidin-4-yl}-acetamide
수율 10%

시약·촉매·용매 2

HCID 9811564Bis(dibenzylideneacetone)palladium촉매HCID 312751,4-Dioxane용매

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온도
150 °C

실험 절차

A mixture of 4-bromo-2-(2,6-dichlorophenyl)-7-fluoro-2H-pyrazolo[4,3-c]pyridine (320 mg, 0.89 mmol), N-(6-aminopyrimidin-4-yl)-acetamide (152 mg, 1.0 mmol), Pd2(dba)3 (20 mg, 0.022 mmol), Xantphos (52 mg, 0.089 mmol) and cesium carbonate (580 mg, 1.78 mmol) in dioxane (10 mL) was de-gassed and purged with nitrogen and the reaction mixture was heated at 150° C. in the microwave for 1 h. The resultant mixture was partitioned between ethyl acetate and water and the layers were separated. The organic layer was washed with brine, dried over anhydrous sodium sulfate, filtered and concentrated under reduced pressure. The residue was purified by silica gel flash chromatography (80-100% ethyl acetate in cyclohexane) to afford an off-white solid. This was re-purified by HPLC [gradient: 5 to 98% acetonitrile (0.1% ammonium hydroxide) in water (0.1% ammonium hydroxide)], to afford the title compound as a white solid (31 mg, 10% yield). 1H NMR (400 MHz, DMSO-d6): δ 10.65-10.61 (m, 2H), 9.26 (d, J=2.6 Hz, 1H), 9.08 (d, J=1.1 Hz, 1H), 8.53 (d, J=1.1 Hz, 1H), 7.92 (d, J=3.4 Hz, 1H), 7.83-7.81 (m, 2H), 7.74 (dd, J=9.1, 7.3 Hz, 1H), 2.14 (s, 3H). LCMS (Method B): RT=3.20 min, m/z: 432 [M+H+].

후처리

  1. customwas de-gassed
  2. custompurged with nitrogen
  3. customThe resultant mixture was partitioned between ethyl acetate and water
  4. customthe layers were separated
  5. washThe organic layer was washed with brine
  6. dry with materialdried over anhydrous sodium sulfate
  7. filtrationfiltered
  8. concentrationconcentrated under reduced pressure
  9. customThe residue was purified by silica gel flash chromatography (80-100% ethyl acetate in cyclohexane)
  10. customto afford an off-white solid
  11. customThis was re-purified by HPLC [gradient: 5 to 98% acetonitrile (0.1% ammonium hydroxide) in water (0.1% ammonium hydroxide)]

출처 및 근거

ORD 기록
ord-05661be5b41b485cb3732df591ccaa77
출처 데이터셋
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09309240B2

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