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Sodium Carbonate → (3E)-6-fluoro-3-[4-(6-fluoropyridin-3-yl)-5,5-dimethylfuran-2(5H)-ylidene]-1,3-dihydro-2H-indol-2-one

HRID 333389
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HRID 333389 반응식
O1CCOCC1.Br[C:8]1[C:12]([CH3:14])([CH3:13])[O:11]/[C:10](=[C:15]2/[C:16](=[O:25])[NH:17][C:18]3[C:23]/2=[CH:22][CH:21]=[C:20]([F:24])[CH:19]=3)/[CH:9]=1.[F:26][C:27]1[N:32]=[CH:31][C:30](B(O)O)=[CH:29][CH:28]=1.C([O-])([O-])=O.[Na+].[Na+]>Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.O>[F:24][C:20]1[CH:19]=[C:18]2[C:23](/[C:15](=[C:10]3\[O:11][C:12]([CH3:14])([CH3:13])[C:8]([C:30]4[CH:31]=[N:32][C:27]([F:26])=[CH:28][CH:29]=4)=[CH:9]\3)/[C:16](=[O:25])[NH:17]2)=[CH:22][CH:21]=1
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참가 물질

7

반응물 4

HCID 10340Sodium CarbonateHCID 312751,4-DioxaneHCID 2783397(6-Fluoropyridin-3-yl)boronic acidHCID 58926029(3E)-3-(4-bromo-5,5-dimethylfuran-2(5H)-ylidene)-6-fluoro-1,3-dihydro-2H-indol-2-one

생성물 1

HCID 58926010(3E)-6-fluoro-3-[4-(6-fluoropyridin-3-yl)-5,5-dimethylfuran-2(5H)-ylidene]-1,3-dihydro-2H-indol-2-one

시약·촉매·용매 2

HCID 178418476HCID 178418476, 화합물촉매
HCID 962Water용매

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온도
88 °C

실험 절차

To 10 mL of 1,4-dioxane were added (3E)-3-(4-bromo-5,5-dimethylfuran-2(5H)-ylidene)-6-fluoro-1,3-dihydro-2H-indol-2-one (200 mg, 0.62 mmol), 6-fluoropyridin-3-ylboronic acid (104 mg, 0.74 mmol), PdCl2(PPh3)2 (22 mg, 0.031 mmol), 1M Na2CO3 aqueous solution (2.5 mL, 2.5 mmol). The mixture was heated at 88° C. under N2 for 2 hours, cooled to room temperature and poured into 100 mL of water. The precipitates were filtered, washed with water and dried to give the crude product. Purification of the crude product through silica gel column with 1-5% MeOH/CHCl3 afforded (3E)-6-fluoro-3-[4-(6-fluoropyridin-3-yl)-5,5-dimethylfuran-2(5H)-ylidene]-1,3-dihydro-2H-indol-2-one as a yellow solid. Yield: 100 mg, 47%.

후처리

  1. temperaturecooled to room temperature
  2. filtrationThe precipitates were filtered
  3. washwashed with water
  4. customdried
  5. customto give the crude product
  6. customPurification of the crude product through silica gel column with 1-5% MeOH/CHCl3

출처 및 근거

ORD 기록
ord-5cde12023be946fcb7858cc8eb04b0a3
출처 데이터셋
uspto-grants-2014_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08877923B2

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