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Cesium carbonate → 3,5-Dichloro-4-[7-chloro-4-(6-methylpyrimidin-4-ylamino)pyrazolo[4,3-c]pyridin-2-yl]benzonitrile

HRID 626708
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HRID 626708 반응식
[Cl:1][C:2]1[CH:3]=[C:4]([CH:7]=[C:8]([Cl:21])[C:9]=1[N:10]1[CH:20]=[C:13]2[C:14](Cl)=[N:15][CH:16]=[C:17]([Cl:18])[C:12]2=[N:11]1)[C:5]#[N:6].[CH3:22][C:23]1[N:28]=[CH:27][N:26]=[C:25]([NH2:29])[CH:24]=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:1][C:2]1[CH:3]=[C:4]([CH:7]=[C:8]([Cl:21])[C:9]=1[N:10]1[CH:20]=[C:13]2[C:14]([NH:29][C:25]3[CH:24]=[C:23]([CH3:22])[N:28]=[CH:27][N:26]=3)=[N:15][CH:16]=[C:17]([Cl:18])[C:12]2=[N:11]1)[C:5]#[N:6]
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참가 물질

7

반응물 4

HCID 10796Cesium carbonateHCID 5728526-Methylpyrimidin-4-amineHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 866970503,5-Dichloro-4-(4,7-dichloropyrazolo[4,3-c]pyridin-2-yl)benzonitrile

생성물 1

HCID 696715103,5-Dichloro-4-[7-chloro-4-(6-methylpyrimidin-4-ylamino)pyrazolo[4,3-c]pyridin-2-yl]benzonitrile
수율 43%

시약·촉매·용매 2

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

실험 절차

A suspension of 3,5-dichloro-4-(4,7-dichloropyrazolo[4,3-c]pyridin-2-yl)benzonitrile (70 mg, 0.20 mmol), 6-methylpyrimidin-4-ylamine (23 mg, 0.22 mmol), Pd2(dba)3 (9 mg, 0.01 mmol), Xantphos (12 mg, 0.02 mmol) and cesium carbonate (130 mg, 0.40 mmol) in dioxane (3 mL) was sealed in a microwave vial, purged with nitrogen and irradiated at 150° C. for 30 minutes in the microwave. The reaction mixture was cooled and partitioned between ethyl acetate and water. The organic layer was dried over anhydrous sodium sulfate and concentrated under reduced pressure. The residue was purified by silica gel flash chromatography (0-80% ethyl acetate in pentane), then further triturated with ethyl acetate to afford the title compound as a yellow solid (37 mg, 43% yield). 1H NMR (400 MHz, DMSO-d6): δ 10.90 (s, 1H), 9.33 (s, 1H), 8.71 (d, J=1.2 Hz, 1H), 8.51 (s, 2H), 8.37 (s, 1H), 8.08 (s, 1H), 2.45 (s, 3H). LCMS (Method B): RT=3.69 min, m/z: 430 [M+H+].

후처리

  1. customwas sealed in a microwave vial
  2. custompurged with nitrogen
  3. customirradiated at 150° C. for 30 minutes in the microwave
  4. temperatureThe reaction mixture was cooled
  5. custompartitioned between ethyl acetate and water
  6. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  7. concentrationconcentrated under reduced pressure
  8. customThe residue was purified by silica gel flash chromatography (0-80% ethyl acetate in pentane)
  9. customfurther triturated with ethyl acetate

출처 및 근거

ORD 기록
ord-9d1724df7d93457680b57e2aa35034a9
출처 데이터셋
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09309240B2

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